iii.Whatisalternativeenergywithlittleornoharmfuleffecttolivingorganismandthe environment during production and consumption? .....................................................
6.
i.Whyis.apersonwhopushesawallforthreeho-urscontinuouslyconsideredtohave, done no work? .....................................................
iii.Aforceof100newtonwasusedtomove.asackofricethroughadistanceof2 metres. How much work was done? .....................................................
8.
i.Theimmediatehelpgiventoasickorinjuredpersontoreducepainandsavelife before being taken to hospital for 'further treatment is called .....................................................
ii Study the following diagram
What type of bone fracture is this? .....................................................
LEARNINGHUBTZ.CO.TZSCIENCE STANDARD SIX EXAM SERIES 123
THE UNITED REPUBLIC OF TANZANIA REGION ADMINISTRATION AND LOCAL GOVERNMENT
SCIENCE AND TECHNOLOGY
STANDARD VI ANNUAL EXAMINATION
TIME 1:30 HRS
INSTRUCTIONS TO CANDIDATES
This exam consists of parts A, B, and C with a total of SEVEN (7) questions.
Read the instructions and answer ALL the questions in each section.
Use a BLUE or BLACK ink pen to answer the questions.
Mobile phones and all other unauthorized items are NOT allowed inside the exam room.
SECTION A:
1. Complete the following questions by writing its correct letter of correct answer in the bracket
i. Normally the plants are divided into major groups, flowering and non- flowering plants. Which one is a flowering plant? [ ]
Cedars
pine
moses
pine and orange
orange plant
ii. Pupils were pushing the desk with force of 15N and moved it to a distance of 3M. What does this indicate? [ ]
They have energy
they eat carbohydrates foods
work done was effectively
work- done was zero
they were many
iii. In Msemakweli village, villagers have no tendency of clearing bushes surrounding their houses and sleep under nets. Which disease is likely to attack them? [ ]
Haemophilia
syphilis
ebola
Malaria
Tuberculosis
iv. Our school secretary was preparing the results of the standard four Pre- National Examination. Which Microsoft program will use to arrange the results? [ ]
Power point
designing
excel
word
hardcopy
v. Five pupils in standard six were given a task to write the formula for Mechanical Advantage. Who was correct? [ ]
M.A= Work ÷ Distance
M.A= Load/Effort
M.A= Load x Effort
M.A = Force x Distance
M.A=Voltage/ Resistance
vi. Which part of a seed in science and technology stores food? [ ]
Testa
embryo
plumule
cotyledon
micropyle
vii. How many types of computer network as you learnt in the class? [ ]
3
1
2
4
5
viii. Which among the following is not a composition of Air? [ ]
Argon
carbondioxide
oxygen
nitrogen
methane
ix. Which one among the following is not a consideration when one using the internet? [ ]
Sign out after using internet
keep the password safe
do not open unfamiliar application
keep personal information privacy
trust online friends
x. The decomposable waste, which are easily be broken by bacteria can be used to make? [ ]
Scientific instruments
water carrying containers
food for insects
compost
recycled equipments
2. Complete the sentences in group A by matching their correct in group B then write its letter in the box
GROUP A
GROUP B
Inherited condition that cause the red blood cells to change their shapes. [ ]
The blood disorder where the blood does not clot when a person injured. [ ]
Are caused by abnormalities in the genetic makeup of an individual. [ ]
A disease that is caused by the presence of extra chromosome in the cell. [ ]
v. A genetic disorder that results from lacking of the skin colour pigment in an individual. [ ]
Down’s syndrome
Albinism
Hereditary material
Hereditary diseases
Albino
Sickle- cell anaemia
Hemophilia
3. Complete the following questions by choosing the correct answer from the box
The products of green plants after the process of making their food.____________________
A disease that results from a bacterium called Neisseria ____________
A largest part of the blood that makes 55% of the blood. In human body ______________
Which organ in the human body responsible for pumping blood in the body through blood vessels?_______________________
In the production of biogas, one gas is eliminated to avoid corrosive properties, which gas is eliminated?________________________
SECTION B: SHORT ANSWERS
4. i. The female part of the flower with stigma, style, ovary is called?____________________________________________
ii. Which property of light occurs when the light passes from one medium to another medium? ______________________
iii. Human body consists of cells. Where do human body cells formed?__________________
5. i. Which blood vessel carries blood with oxygen from the heart to all parts of the body? _____________________________
ii. The largest artery is called ___________________________
iii. The blood vessels in the body responsible for transporting deoxygenated blood from other parts of the body to the heart.________________________________________
6. i. A G-mail is a communication account that uses internet. It has many features. What are the two features among the other?
_____________________________________________
_____________________________________________
ii. After standard six pupils told by their teacher to burn the rubbishes pit. There were two products from the activity, smoke and ashes. Which change of matter is explained?___________________
iii. What is the long form of “WWW” as you learn in web browsers?________________
iv. Microsoft Excel is software program in the computer that analyses computer data in tabular form. Identify two features you learn in the classroom.
LEARNINGHUBTZ.CO.TZSCIENCE STANDARD SIX EXAM SERIES 113
PRIMARY EXAMINATION SERIES
COMPETENCE BASED ASSESSMENT
TERMINAL EXAM MAY 2024
SUBJECT: SICENCE &TECHNOLOGYCLASS : 6
NAME: …………………………………………………..DATE: ……….........
__________ is the ability to do work (A) energy (B) machine (C) force (D) mass [ ]
Which of these is a liquid tissue? (A) nails (B) skin (C) water (D) blood [ ]
One is among the natural source of heat and liquid (A) moon (B) star (C) sun (D) planet [ ]
Which one of the following is true about a magnet? (A) like changes of a magnet attract each other (B) unlike charges repel each other (B) like charges attract and repel each other (D) none of the above [ ]
Lovers are grouped into ___________________ classes (A) 4 (B) 3 (C) 5 (D) 2 []
Air is a combination of ___________ (A) oxygen (B) vapour (C) gases (D) water and oxygen [ ]
___________________ is not a source of proteins (A) beans (B) meat (C) maize (D) groundnuts [ ]
_________________ is the process where by food is broken into soluble substances (A) engestion (B) ingestion (C) photosynthesis (D) digestion [ ]
The process of digestion begins in the (A) mouth (B) ileum (C) colon (D) stomach [ ]
___________ is an instrument used to measure voltage (A) ohmmeter (B) ammeter (C) voltimeter (D) galvanometer [ ]
HIV can be transmitted from one person to another through the following ways, except________________ (A) sharing sharp object (B) blood transfusion (C) sharing food in a plate (D) sexual intercourse [ ]
Which one of the following is not a type of computer? (A) desktop (B) palmtope (C) laptop (D) monitor [ ]
__________ is anything that has mass and occupy space (A) mass (B) metal (C) matter (D) nuclear [ ]
Which one of the following is not a simple machine? (A) scissors (B) claw hammer (C) sewing machine (D) spade [ ]
The two main parts of circuit are _______________(A) series circuit and a resistor (A) parallel circuit and a conductor (C) series circuit and parallel circuit (D) parallel circuit and an insulator [ ]
The type of soil suitable for agriculture is (A) clay soil (B) loam soil (C) sand soil (D) clay and send [ ]
____________ breaks and completes a circuit (A) bulb (B) resistor (C) switch (D) battery [ ]
Light travels in a _________ line (A) straight (B) zigzag (C) curved (D) doffed [ ]
One is not a renewable source of energy (A) solar (B) hydro-electric (C) wood (D) wind [ ]
Oxygen occupies _____________ percentage of air in the atmosphere (A) 78% (B)0.03% (C) 0.97% (D) 20.9% [ ]
The units of resistance are _____________ (A) ohmmeter (B) volts (C) ohms (D) amperes [ ]
The following are excretory organs except (A)heat (B)skin (C)kidney (D)lungs [ ]
The units used to measure mass are (A)joules (B) kilograms (C) meters (D) none [ ]
A machine is a device that__________ (A)helps us to write (B) help us to see (C) makes work easier (D) complicates work [ ]
__________ are small pores found in the leaves that help in gaseous exchange (A) apex (B) midrib (C) sweat pores (D) stomatas [ ]
Water in solid state is called (A) ice (B) vapour (C) steam (D) liquid [ ]
__________ are nutrients required in large amount (A) micro- nutrient (B) minutrients (C) macro nutrients (D) nitrogen [ ]
End products of photosynthesis are________________ (A) water and carbohydrates (B) starch and carbon dioxide (C) carbon dioxide and oxygen (D) carbohydrates and oxygen [ ]
The following are good farming method except ________ (A) overgrazing (B) crop rotation (C) contour plougting (D) strip farming [ ]
_________________ is a raised soil bed (A) countour (B) terrace (C) garden (D) fallow [ ]
Which one is not an essential need for plant to grow (A) water (B) nutrients (C) soil (D) air
Match the list in A with that in B
LIST A
LIST B
Stamen
Overgrazing
Circuit breaker
Oxygen
Ohm’s law
Ammeter
Supports burning
State that current through a resister is directly propotional to voltage
Used to measure current
Male parts of a flower
Keeping many cattles in a small piece of land
To protect electric appliance from being damage
LIST A
32
33
34
35
36
37
LIS T B
Write short answer
Name any two thing used in a simple circuit
___________________________________________
________________________________________
calculate the voltage if current passing through a conductor is 6A and resistance is 352
Another name for voltage is ______________________
The symbol along side represent ________________________________
_________________________ is used to make bulb and florescent tubes
LEARNINGHUBTZ.CO.TZSCIENCE STANDARD SIX EXAM SERIES 92
OFFICE OF THE PRESIDENT, REGIONAL ADMINISTRATION AND LOCAL GOVERNMENT
PRIMARY EXAMINATION SERIES, NOVEMBER-2023
SCIENCE AND TECHNOLOGY STANDARD VI
TIME: 1:30HOUR
This paper consist of 45 questions
Answer all questions as per instructions given in each section
Remember to write your name and the date of today
There are two types of seeds which are monocotyledon and dicotyledon. During germination, seeds need water Oxygen and X. Which material is represented by letter X?
Water can be spread from one area to another. In which condition matter can spread from the area of strong solution to weak solution? (A)Osmosis (B)Kinetic theory (C)xylem (D)diffusion (E)photosynthesis
Living things depend on each other in different conditions in their environment which education deals with relationship between living things and their environment (A)Ecology (B)Biology (C)Balance of nature (D)Nature (E)Ecosystem
The body cleanliness is very important to adolescent, for a teenager like you, which one is the most preferable way to avoid spread of HIV/AIDS (A)use of sized condom (B)use of pills method (C)use of withdrawal method (D)Prolonged breast feeding (E)Abstinence
A flower is the main reproductive organ in different plants. Which parts of a flower attracts insects and birds (A)pistil (B)style (C)Petal (D)Sepal (E)filament
Investigation is very important in our daily life. Hypothesis to be true or null, which one of the following must be done firstly (A)problem identification (B)Experimentation (C)conclusion (D)Data collection (E)data analysis
The first aid is very important which of the following are necessary for giving first aid to a person with born fracture.(A)scissors, bandage, splinter, cotton wool, spirit and safety Pin (B)Towel, soap stretcher, cotton wool and spirit (C)Towel, water, oil and soap (D)Blanket, chair, soap, rope and scissors (E)Blanket, bandage scissors and rope.
The blood is made up by different things in which compound heamoglobin found in the blood? (A)white blood cell (B)red blood cell (C)blood plasma (D)yellow bone marrow (E)body cells
A balanced diet contains all groups of food. What kind of food is a pregnant women advised to eat? (A)protein (B)carbohydrates (C)iron and minerals food (D)fat (E)vitamins
Living things can adapt in their environment in different ways why chameleon usually changes its colour____ (A)To search for food (B)To breathe (C)To reproduce (D)To observe enemies (E)To protect itself
The wrong uses of fire can cause the destruction of the properties in environment. What name of gas supports combustions (A)oxygen (B)ozone (C)Nitrogen (D)Hydrogen (E)Carbon dioxide
The blender is an example of a complex machine, the motor in the blender convert electrical energy into which energy? (A)Heat energy (B)mechanical energy (C)light energy (D)potential energy (E)chemical energy
Resident of Arusha eat beans, meat and rice for better health, which food they need to add ____ (A)fish (B)Green vegetable (C)chicken (D)bread (E)cowpeas
An electrician used a ladder to climb an electric pole. What kind of simple machine did he use ___ (A)wedge (B)inclined plane (C)wheel (D)Roll (E)Screws.
A teacher taught the different ways on how to kill the germs that spread the diseases. The following are the different ways of killing mosquitoes, which one is not? (A)to pour kerosene into stagnant water (B)To cut the long grasses (C)to spray insecticides on stagnant water (D)to put the fan on so that they are blown (E)To do the environmental cleanliness
The health services are very important in our daily life which of the following groups needs close attention and regular health services. (A)children and youth (B)Youth and women (C)only youth (D)women children and the elders (E)children below five years and elders
The kidney is very important organ to the human body. How many pairs of Kidney are there? (A)Two (B)Three (C)four (D)one (E)six
Magnet has two main poles which are northern and Southern poles. Which of the following is not a characteristics of a magnet (A)It attracts objects of metallic nature (B)magnetic force is greater at the poles (C)Unlike poles attract each other (D)like poles repel each other (E)it pulls things of plastic nature
The following are negative effects of using mobile phone except (A)educating the society (B)online theft (C)internet addition (D)crime (E)destruction of customs and traditions
Kazimoto is warming himself using fire during cold weather. By which process (A)radiation (B)convection (C)conduction (D)conduction and convection (E)Transportation
Scientist use different methods to prevent rusting of iron. Which one is correct among the following? (A)put them in water (B)painting them (C)adding oxygen to them (D)coating them with white wash (E)Keeping them outside
Mr. Jumanne a teacher of science saw the following symptoms severe fever, blood from open parts of the body, fatigue, and head ache are symptoms of (A)cholera (B)syphilis (C)Ebola (D)Meningitis (E)diabetes.
If female gamete x is fertilized by male gamete y and divides into two parts, what children do we expect to get? (A)male identical twins (B)female identical twins (C)non-identical twins (D)female sex (E)male sex
Social welfare officer visited the elders centre and advised them on the importance of eating foods which replace dead and worn out calls. Which type of food was that (A)proteins (B)vitamins (C)carbohydrates (D)Minerals (E)fats and oil
A pupil was sweeping using a long broom. What kind of lever did he use (A)fourth (B)third (C)first (D)second (E)complex machine
The spread of drop of ink in the basin of water is called ____(A)Osmosis (B)diffusion (C)spreading (D)melting (E)concentration
We are advised to eat foods which are rich in vitamin A in order to strengthen (A)hair (B)bones (C)eyes (D)ears (E)tongue
A standard six pupil set up the following experiment
After five minutes the balloon expanded this shows that
The pupil had put air in it
It is always like that
Air expanded when heated
Water entered in the balloon from the sufuria
A balloon has air in it all the time
Why is that the ceiling board of a house is painted white
White colour absorb light
White colour reflect light
White colour is refracted to the floor
White colour is good for painting
Black colour absorb heat
Which among the following memory scheme within the computer system stores data permanently (A)RAM (B)ROM (C)ALU (D) C.P.U (E)OS
Materials which allow light to pass and we can see through them clearly are said to be (A)translucent (B)reflectors (C)opaque (D)transparent (E)absorbers
There various disease which affect human being. Which among the following is not sexually transmitted diseases (A)trachoma (B)genital harpes (C)gonorrhea (D)syphilis (E)HIV/AIDS
The collection of physical components that constitutes a computer is called (A)operating system (B)computer virus (C)hard ware (D)software (E)secondary memory
Which of the following types of lives belong to the same class lever as drawn below
(A)Spade (B)Crow bar (C)Wheelbarrow (D)Scissors (E)See saw
Worldwide network of millions of computers that can access each other is called _____ (A) internet (B)computer (C)hardware (D)software (E)websites
The digestion of starch begins in which of the following part of alimentary canal ______ (A)mouth (B)stomach (C)large intestine (D)small intestine (E)Oesophagus
A wire has resistance of 2.5 ohms. The potential difference across the wire in the circuit is 12.5 volts. Find the amount of current flowing through the wire
Which gas is used to extinguish fire? (A)Oxygen (B)nitrogen (C)carbon oxide (D)hydrogen (E)ammonia
Standard six pupils did the following experiment. The planted a tree after a few days leaves the roots were growing towards the water body this process is called
Materials that do not allow electricity to pass through can be used in making ______ (A)switches (B)handles of pans (C)insulators (D)conductors (E)battery
SECTION B:Short answers
Plants shed leaves during dry season so as to
The ability of the body to resist diseases is called _________
Which kind of lens is shown by this diagram below
Diseases that erupt and spread to a whole continent or world are called __________
Give one example of an input device in a computer __________
Plants that have seeds with one cotyledon in known as
Monocotyledonous plants
Dicotyledonous plants
Beans plant
Non – seed plants
The part of the plant which main function is to absorb water, minerals and nutrients from the soil is known as
Stem
Leaves
Roots
Flowers
The situation where by an insect is carry pollen from flour to another in called
Irrigation
Osmosis
Pollination
Wilting of flour
Example of invertebrate include
Worm and grasshoppers
Lizard and monitor lizard
Fish and frogs
Ducks, chickens and some birds
The average birds temperature is ___________
37C
36C
40C
65C
______ are mammals but do not have sweat glands
Sharks
Whales
Dogs
Rats
Fish (A) breast feeds young ones (B) One of the animals which do not have a vertebral column (C) It breathes using moist skin (D)They use gills to breathe
Plants manufacture their own food in order to survive. T he production of food by plants is known as
Respiration
Growth
Chlorophyll
Photosynthesis
_______ is the female part of the flower
Stamen
Pistil
Petal
Sepals
________ are tube through which male gametes pass from the testes to the urethra.
Ureta
Penis
Sperm duct
Fallopian tube
Which of these are the reproduction and growth stages of a cockroach?
Egg _____ pupa ____adult
Egg _____ lava _____pupa ____ adult
Egg _____ nymph ___ adult
Egg _____ pupa _____ lava _____ adult
_______ is a study of how living things interact with each other and how they interact with the environment in which they live
Adaptation
Ecology
Geology
Feeding
Keeping a lot of animals in a small area can result in _____
Ecological improvement
Ecological destruction
Improvement of amenity
Ecological balances
The burning of forests
Has negative effects on animals and plants
Increase the number of animal in the soil
Is a sustainable way of harvesting honey
Has no any effect on the environment
The two main types of circuit are
Series circuit and conductor series circuit and an insulator
Parallel circuits and insulator
Series circuit and a parallel circuit
Parallel circuits and an insulator
If you drop a razor blade into a drum of water. The best way to pick up the razor blade is to
To dive into the drum
To dip into the drum magnet tied to a long string
To drill a hole on the drum
To pull the razor blade using an iron rod
Magnets attract _____
Iron
Wood
Iron and glass
Like poles
Which one of this has a specific shape
A soft drink
Gas
Moist
A piece of paper
The following pair is example of a second class lever
A bottle opener and a wheel barrow
A shovel and a wheelbarrow
A mean balance and a door
Fishing rods and shovel
We exercise and participate in sports in order to
Make our teacher happy
Continue studying well
Maintain good body health
Be cleaner
Do not apply _____ to a burnt are when giving first aid to a fire victim.
Water
Oil
Honey
Medicine
Ebola is disease caused by _____
Bacteria
Virus
Monkeys
Amoeba
SECTION B:
Match item of object in group A and that of the corresponding in List B to make the meaningful sentences about the characteristics of a living things.
LIST A
ANS
LIST B
Respiration
Stars as a single pure cell before the increase of physical size of height and weight
Nutrition
Process of obtain food for metabolism and repair
Locomotion
To get rid of the waste products
Growth
Using of Oxygen to burning food in order to release energy
Irritability
In plants involves only certain part through twisting and bending but in animal involve the whole part
Excretion
Very important for continuity of the generation
Respiration
A sense and a respond to stimuli
SECTION C
WRITE ‘T’ FOR THE TRUE STATEMENT AND ‘F’ FOR THE FALSE ONE
The kidney is a bean – shaped organ that is found behind the stomach ______
The long form of ARV is antiviral drug _____
Balance diet is to have three or more meals at a day ______
Keeping our bodies clean protect us from disease _________
The normal human temperature is 35C ________________
You are advised to switch off the computer by using the socket to save time _________
Chemical change is a change which result to the formation of new type of substance ___
The attraction forces between the molecules in gas are stronger than in a solid body ____
Insulator is the instrument used to measure electric current _________
A concave mirror is a mirror whose reflection surface is curved inwards _________
SECTION D: (2 Marks @
State the law of magnetism ___________________
What for you understand by the term “Search engine” ___________________
Child’s behavior and altitudes can be affected if he or she misuses the internet resources.
Write down two side effect that you as a child might experience if you misuse internet
____________________________________
____________________________________
Differentiate WAN from LAN as they used in internet
LEARNINGHUBTZ.CO.TZSCIENCE STANDARD SIX EXAM SERIES 64
OFFICE OF THE PRESIDENT
REGIONAL GOVERNMENT AND LOCAL GOVERNMENT
STANDARD SIX EXAMINATION SERIES
SCIENCE AND TECHNOLOGY
ANNUAL FOR 2022
ANSWER ALL QUESTIONS
SECTION A
Choose the correct answer and write its letter in the space provided.
In order to maintain a good health of our health of our bodies we must .
Do exercises, eat good food and rest
Sleep a lot, eat good food and play
Avoid hard labour, exercise and sleep
Exercise and engage in sports
Eat well and exercise all the time
Which among the following nutrients should be taken by a pregnant woman in large quantities?
Proteins
Carbohydrates
Fats
Mineral salts
Vitamins
Frequent urination, producing large quantities of urine and feeling thirsty every time are symptoms of which disease?
Cancer
Diabetes
Kwashiorkor
Whooping cough
Deficiency of blood
Which among the following is a procedure for helping a person who has suffered an electric shock?
Quickly pushing him/her with bare hands
Pulling off the electric cable which shook him/her
Turning off electricity by pouring water on the cable
Pulling him using a nonconducting rod
Leaving him/her until power goes off on its own
is a disease which, if left untreated for long period will lead to heart problems, brain damage or even death.
Clamedia
Gonorrhea
Trachoma
AIDS
Syphilis
Which among the following is NOT a symptom of AIDS?
Swelling of tonsils
Weight loss
Non-stop diarrhoea
Persistent and unusual cough
Unusual sweating during the night
The following are ways of protecting ourselves from environmental disasters except:
Digging trenches
Building houses from volcanic mountains
Maintaining a stock of food reserve
Leading a nomadic life
Keeping our environment clean
Which among the following is a mixture of various gases?
Light
Air
Kerosene
Carbon dioxide
Steam
Which among the following actions is not a cause of environmental destruction?
Burning of waste papers
Industrial development
Bating in lakes
Using animal manure in farms
Washing cars in rivers
The king of the jungle ordered all carnivorous animals to be killed. What do you think will happen to the jungle after some years?
Many plants will grow
The number of insects will not change
The number of plants will decrease
The number of herbivores will decrease.
The environment will remain attractive
When cooking vegetables we are advised to
Add a small amount of soda
Cook them for a long time to reduce their water content
Cover and cook them for a short time
Dry them before cooking
Fry them with a lot of oil
Which of the following is not among the right methods of preserving soil fertility?
Crop rotation
Planting leguminous plants
Fallowing
Using manure
Monoculture
Which class of fire is caused by cooking oil?
A
B
C
D
E
Which of the following insects shows an incomplete metamorphosis?
Mosquito
Butterfly
Housefly
Bee
Cockroach
A mouse was locked in a small box with a piece of meat inside. After two days the mouse died. What caused the mouse to die?
It ate a rotten meat
It missed carbon dioxide gas
It missed oxygen
It missed enough water after eating the meat
It missed light which is necessary for the growth of animals
Which among the following living things is an amphibian?
Frog
Mouse
Lizard
Tortoise
Chameleon
Identify simple machines that make up the following complex machine.
Wheel and axle, pedal, chain and brakes
Gears, wheel and axle, levers and pulleys
Gears, levers and wheel and axle
Pedals, brakes, saddle, fork and chainset
None of the above
During pollination of a flower, pollen is transported from
Ovaries to ovules
Stigma to stamen
Petals to stigma
Stamen to stigma
Sepals to style
The two types of plant seeds are
Main seed reserve and minor food reserve
Monocotyledonous and dicotyledonous
Dicotyledonous and main bud
Rootless seeds and rooted seeds
Natural seeds and wild seeds
When there is thunder the light is seen before its sound is heard because
Nothing can obstruct light rays
Light is first absorbed by clouds
Light travels faster than sound
Sound travels faster than light
Clouds which generate sound travel slowly
If you wash two pieces of clothes made of the same material, one white and one black, the black piece will dry faster than the white one because it.
Absorbs heat quickly
Reflects light faster
Can resist blowing winds
Absorbs moisture faster
Can filter water
Which among the following groups represents liquids.
Air, water and copper
Petrol, ice and nitrogen
Gold, hydrogen and mercury
Petrol, mercury and water
Water, petrol and air
Study Figure 1 below, and then answer the question which follows
In electric circuits what does this symbol represent?
Resistance
Dry cell
Voltmeter
Switch
Bulb
An accumulator is a collection of cells connected together used to generate direct current used in ..
Bicycles, iron box and telephones
Refrigerators, iron boxes and fans
Bicycles, refrigerators and electric cookers
Dry cells, charcoal stoves and iron boxes
Study the figure below which shows two people P and Q raising a load of the same weight to the roof, then answer the question which follows
Who among the two will pull the load more easily?
P because he is below
Q because he will use less force
Q because he is on the roof
P because the pulley is one
Q because the earths gravitational force is small
The ability to move an object from one place to another is known as
Equilibrium
Force
Friction
Work
Gram
When a pencil is dipped in a glass of water it appears as if it is bent. This is because of:
Refraction of light
Reflection of light
Dispersion of light
Ability of water to allow light to pass through it
Density of water.
Which of the following is not a negative effect of pupils watching television without their parents or guardians guidance
Acquiring unacceptable behavior in relation to their age
Poor academic performance
Being responsible and performing well at school
Copying and imitating inappropriate behavior
Addiction to television programs
The natural sources of energy in our daily lives are
Firewood, fire and water
Electricity, magnetism and natural gas
Firewood, the sun and wind
Fire, wind and magnetism
Electricity, wind and water
Study Fig3 below then choose the correct answer about the experiment
The aim of the experiment in Figure 3 is to show.
How to boil drinking water
How to cool water
Expansion and contraction of air
Cooling gas
Preparation of oxygen gas
Which among the following is a physical change?
Fermentation of milk
Burning of paper
Evaporation of water
Reaction between an acid and a base
Rotting of plants
Study figure 4 then answer the question which follows
The aim of the experiment in Fig. 4 is to find:
The volume of the eureka can
The amount of air in the eureka can
The surface area of the stone
The perimeter of the stone
The volume of the stone
In order to prevent the dangers posed by scientific and technological innovation, every nation should:
Cooperate with scientists
Have a ministry of science and Technology
Avoid scientific and technological innovation
Copy technological innovation from developed countries
Formulate polices to control the application of science and technology.
Which among the following is used in predicting a problem in a scientific investigation?
Data collection
Hypothesis
Data analysis
Conclusion
To give recommendation
The following are type of search engines in the world. Which one is not?
Google
Mozilla Firefox
Yahoo
Bing
Ask
In a certain research the heights of six plants were recorded as follows: 12cm; 16cm, 6cm; 20cm; 14cm; and 10cm. What is the average height of the plants?
12cm
14cm
11cm
13cm
17cm
The main artery branches to smaller blood vessels known as:
Venacava
Bronchiole
Valve
Capillaries
Veins
Hemoglobin is a compound found in blood in the
White blood cells
Red blood cells
Blood plasma
Yellow bone marrow
Body cells
What will be the result of a union between a male gamete X and a female gamete X?
Non-identical twins
A baby girl
Conjoined twins
A baby boy
Identical twins
Which of the following animals has the most advanced brain of all?
Human being
Horse
Rabbit
Gorillas
Monkey
SECTION B
In questions 41 45, write the correct answer in the space provided.
(i)Rust is a result of the following chemical reaction:
Iron + Y + water. In this equation what does Y represent?
(ii)Matter is made up of very small particles called ..
(i)Which mineral leads to deficiency of red blood cells in the human body?
(ii) . Is the result of taking more carbohydrates and fats than they are required in the body, therefore making one overweight.
Study the following figure carefully then answer the questions that follow.
What is the name of the system shown in the figure above?
What is the name of the parts labelled A
What is the name of the parts labeled B... ?
What is the name of the parts labeled C . ?
What energy does the system above use to function?
(i) Culex is a mosquito which spreads filarial worms which in turn cause .
(ii)When two pieces of wood are rubbed together, the force of .. Makes them to generate heat
Study the diagram below carefully and answer the questions that follow
The first aid above is given to a person who has ..
The first aid to a vomiting person involved giving them
3.The path through which electricity flows is called ______ (A)a circuit (B) a route (C)a highway (D)series
4.Which of the following is an example of a simple machine ________ (A)a bicycle (B)a sewing machine (C) a car (D) a see-saw
5.Juma wanted to taste the presence of carbon dioxide in exhaled air. Which of the following would he use?
(A)Iodine solution (B)lime water (C)Benedict solution (D)none of the above
6.The following are the function of the skin except __________ (A)Protection (B) Excretion (C)excretes carbon-dioxide and water (D)feeling or sensitivity
7.The situation whereby oxygen burns starch and produce heat energy is called __________ (A)Oxidation
8.Identify the master gland among the following (A)adrenalin (B)pituitary (C)thyroid (D)ovary (E)Pancreas
9.The blood cell which defend the body against diseases are ________ (A)red blood cell (B)white blood cells (C)nerves cells (D)platelets and red blood cells.
10.A solution of sugar salt and water is necessary first aid to a victim of ________ (A)diarrhea and vomiting (B)malaria and headache (C)backbone (D)Tb and influenza (E)fracture
11.The main cause of HIV/AIDS transmission among people is _________ (A)blood transfusion (B)piercing mouth ears (C)accident (D)injection (E)sexual intercourse
12.The following are diseases which can be prevented by vaccinating children ________ (A)whooping cough (B)polio, tetanus (C)polio Kwashiorkor, tetanus and whooping cough (D)Aids, tetanus tuberculosis tetanus and dysentery
13.Which kind of gas change lime water to milk colour _________ (A)Oxygen (B)hydrogen (C)nitrogen (D)carbon (E)carbon-dioxide
14.Which vitamin is made in the body by help of sunlight? _________ (A)Vitamin A (B)Vitamin C (C)Vitamin D (D)Vitamin B (E)Vitamin K
15.What is the function of hormone in the body ___________ (A)to generate the amount of hormone in the body (B)Help in the growth and development of the body (C)To increase the heart beats (D)To make people health (E)To make a poison die.
16.Which of these groups contain reptiles only? _________ (A)snakes, crocodiles, tortoise and lizards (B)lizard snake and rabbit (C)frog, lizard and spiders (D)snakes, toads, newts and birds (E)chameleons, Dinosaurs and tadpoles
17.The process whereby plant manufacture their own food by the means of sunlight is called ________ (A)phototropism (B)dicotyledon (C)transpiration (D)aspiration (E)photosynthesis
18.Bacteria swallowed with food are killed in the stomach __________ (A)hydrochloric acid (B)bile (C)gastric juice (D)pancreatic juice (E)digestive
19.The foetus receive food and oxygen and removes its waste product through _______ (A)cervices (B)fallopian tube (C)umbilical cord (D)Placenta (E)ovaries
20.Juma is an albino which of the following treatment or advice should be given to him except
reduce sunburn by avoiding the sun
to isolate himself from others
cover the body with clothes when exposed to sunlight
reduce bright sunlight by wearing sunglasses
applying sunscreen by oil to protect the skin from sunburn.
21.What will happen if the number of lions was greatly reduced in the web below
(A)all Antelope would die (B)cows would start eating antelopes (C)The amount of plants would start reducing (D)all cows die (E)The number of cows and antelopes would reduce.
22.Observe the following diagram and answer the question below. What does this symbol represent in an electricity circuit? ____________
23.Which plants reproduce through seeds? (A)sweet potatoes and banana tree (B)sugar cane and sweet potatoes (C)cassava and sugar cane (D)rice and tomatoes (E)cassava and guava
24.Obesity is a condition which is caused by? (A)loss of a too much weight (B)loss of appetite (C)gain of too much body weight (D)loss of sensitivity (E)growth of the body
25.Which one among the following events shows physical change?
Dissolving of sugar in water
Burning of a piece of paper
Souring of milk
Rusting of iron
Honey became alcohol
26.Which one among the following plants cannot make its own food? (A)carrot (B)Mushroom (C)sugar cane (D)spinach (E)cassava
27.Observe the following figure, then answer the question that follows.
Which number represents the part that produces pollen grains? (A)3 (B)1 (C)5 (D)4 (E)2
28.Russting burning and seed germination are similar because during their process ______
Carbon dioxide is used up
Nitrogen is used up
Oxygen is used up
Nitrogen is given off
Oxygen is solid
29.Why do plants shade their leaves during dry season __________
In order for pollination to take place
They allow photosynthesis to increase
To prevent effect of strong wind
Preventing excessive water loss
Preventing water absorption from the roots
30.A person with H.I.V can be identified by ____________ (A)Appearance (B)attendance in the hospital (C)His behavior (D)coughing habit (E)blood screening
31. Find the value of X in the drawing below where by x stands in place of kilogram
(A)700kg (B)350kg (C)175kg (D)155kg (E)145kg
32.ON cooling substance become smaller. This decrease in volume is called ________
LEARNINGHUBTZ.CO.TZSCIENCE STANDARD SIX EXAM SERIES 56
THE PRESIDENT’S OFFICE
MID TERM EXAMINATIONS – MARCH
SCIENCE AND TECHNOLOGY-6
SECTION A. MULTIPLE CHOICE QUESTIONS
Which gas is needed in the process of photosynthesis in green plants? A. oxygen b. helium c. carbon dioxide d. krypton
In an electric circuit, the symbol ---|||--- represents a. battery b. bulb c. switch d. ammeter
The type of food that gives the body energy is (a) carbohydrate b. vitamins c. protein d. mineral salts
Gaseous exchange in plants leaves take place through? A. apex b. margin c. midrib d. stomata
The S.I unit of voltage is ………a. amperes b. volts c. ohms d. kilograms
The following are natural sources of light except; a. sun b. electric bulb c. stars d. fireflies
Which one of the following is a source of electricity? A. television b. radio c. refrigerator d. dry cell
Which one of the following conserves soil? A. afforestation b. cutting down trees c. mining activities d. poor agricultural practices
What is the percentage of oxygen gas in the atmosphere? A. 20.9 b. 78 c. 0.03 d. 0.97
Which part of plant absorbs water? A. stem, b. leaves c. root hairs d. branches
Which gas is used during fire extinguishing? A. oxygen b. inert gas c. hydrogen d. carbon dioxide
A reflected sound is called? A. echo, b. mirage c. noise d. vibrations
Animals that eat grass only are called? A. carnivores b. herbivores c. omnivores d. munivores
Which of the following is an electric appliance? A. generator b. bicycle c. television d. dry cell
Which symbol represents switch in electric circuit?
If there is 12 V in an electric circuit and the resistance is 2ohms, how much current flows in the circuit? A. 6A B. 12 A C. 5A D. 2A
Which tissue helps in transporting of water in plants? A. xylem b. collenchyma tissue c. pith d. epidermis
Organisms which manufacture their own food are known as? A. carnivore b. autotrophes c. omnivores d. heterotrophes
Malaria germs, plasmodium can be identified using an instrument called? A. camera b. periscope c. spectacles d. microscope
Which of the following is not a micronutrient? A. zinc b. phosphorous c. potassium d. nitrogen
The symbol…………………………….represents an instrument that is used to measure a. voltage b. current c. resistance d. potential difference
In order for animals to live, they need a gas called? A. carbondioxide b. protein c. vitamins d. mineral salts
Which one of the following living things is an amphibian? A. monkey b. frog c. cow d. human being
The process by which plants loose water through leaves is called? A. diffusion b. osmosis c. respiration d. transpiration
Which part of a flower becomes a seed after fertilization? A. ovules b. filament c. anthers d. stigma
The type of food that builds the body is called a. carbohydrates b. protein, c. vitamins, d. mineral salts
The tissue that transports food from the leaves to the storage organs is called? A. xylem b. blood c. cytoplasm d. phloem
The transfer of pollen grains from anthers to the stigma is called, a. pollination b. grafting c. germination d.respiration
The respiratory organ of a fish is called? A. lungs b. gills c. skin d. spiracles
Which one of the following gases is used for industrial preservation of drinks? A. nitrogen b. argon c. carbon dioxide oxygen
What do we call increases in size and mass of living organisms? A. excretion b. reproduction c. growth d. development
Complete the equation below: carbon dioxide + water X + Oxygen + water
X represents? A. fats b. protein c. carbohydrate d. carbon dioxide
Which of the following types of soil is suitable for building houses and other structures? A. loam soil b. sandy soil c. clay soil d. none
The seasonal exchange of leguminous crops with cereals crops with the aim of improving soil fertility is referred to as: a. fallowing b. terracing c. over grazing d. crop rotation
In which of the following regions is clay soil found in Tanzania? A. Dar es salaam b. pwani c. Kigoma d. tanga region
Lizard, snake and crocodiles are: a. reptiles b. mammals c. birds d. amphibians
The car batteries are good example of making electricity using: a. friction b. chemicals c. water d. machines
An example of a chemical change is; a. water turning into vapour b. ripening of fruits c. dissolving of sugar d. expansion of iron metals
During dry seasons, plants shed their leaves inorder to: a. fertilize the soil b. reduce water loss c. protect itself d. add water
Which gas supports combustion? A. nitrogen b. carbon dioxide c. oxygen d. carbon monoxide
This paper has four printed pages, forty five (45) questions with sections A and B
Answer all the questions in all sections.
Remember to write your full names and school name in the answer sheet provided.
Make sure your work is neat without unnessessary cancelling to avoid loss of marks.
Use a blue or black ink ball pointed pen for all given questions.
SECTION A: MULTIPLE CHOICES
Choose the most correct answer and then write its letter in answer sheet provided
1. The chemical formula that represents water is ___________________
H2O2
H2O
HO
2HO
HO2
2. Plants breath by using holes found in the leaves which are known as______
Chlorophyll
Stomata
Cotyledon
Cell
guard cell
3. One of the following is a chemical change; _____
souring of milk
freezing of water
grinding of chalks
melting of salt
boiling of water
4. During pollination of flowers pollen is transported from the _____
ovary to the ovule
stigma to the anther
petal to the stigma
anther to the stigma
sepal to the style
5. The blood circulatory system in the human body is mainly composed of;
Heart, lung and blood
White and red blood cells
Heart, white blood cells and blood
Heart, blood vessels and blood
Blood, capillaries and blood cells
6. Goiter is caused by lack of minerals called _____________
Phosphorus
Nitrogen
Calcium
Iodine
salt
7. A person who has a problem of short sight is advised to wear glasses with lens
concave
convex
plane
contact
telescopic
8. Which among the following animals has no backbone.
Snake
Fish
Snail
Crocodile
elephant
9.The highest percentage of the human body is
Water
Blood
Bone
Steak
A and B
10. The part of a flower that produces pollen is;
Stigma
Stamen
Style
anther
Ovary
11. The major part of biogas is;
Methane
Carbondioxide
Nitrogen
Oxygen
Ozone
12. The essential requirement for germination to take place are;
Water, oxygen and soil
Water, carbon dioxide and soil
Wind, fertilizer, moisture and water
Air moisture, temperature and soil
Moisture, oxygen and warmth
13. Sound is a product of;
Waves
Vibrations
Drum
Burst
Songs
14. If the angle made by incident ray on the plane mirror is 60 what will be the value of angle of reflection in degrees?
900
400
300
600
450
15. The part of a seed that forms the shoot is called the;
Cotyledon
Plumule
Radical
Endosperm
Seed root
16. Under normal condition, the difference between the air entering the body and that leaving the body is that the air leaving the body has a higher concentration of
Oxygen
Hydrogen
Water
Nitrogen
carbon dioxide
19. The hormone that regulates the amount of oxygen entering the respiratory system in the human body is____________
adrenaline
insulin
amyle
oestrogen
thyroxin
20. The interior walls of thermos flasks are coated with silver in order to prevent the loss of heat by means of _____
conduction
reflection
radiation
convection
bending
21. Protein start to be digested chemically in the _____
mouth
stomach
rectum
large intestine
small intestine
22. What is given to a vomiting person as a first aid?____
boiled milk
lemon juice
the sugar and salt solution
to rest him in a cool and quiet place
the sugar and lemon solution
23. Which blood cells in the human body are attacked by HIV?____
blood cells
blood platelets
white blood cells
sickle cells
plasma cells
24.Which one is the set of excretory organs?_______
liver, blood, heart and capillaries
Kidney, liver, lungs, and bile
liver, skin , lungs, and kidney
heart , liver, skin, and kidney
eye, nose, skin, tongue and ear
25. Sound cannot travel in ____
water
vacuum
solid
air
glass
28. Animals which live part of their life in water and another part on land are called
reptiles
mammalian
amphibians
fish
snake
29. Animals which live part of their life in water and partly on land are called?
Reptilian
Mammalian
Fish
Amphibians
Aves.
30. An example of a chemical change is;
Water turning into vapour
Ripening of fruits
Dissolving sugar in water
Ice melting into liquid
Expansion of iron
31. During dry season, plant shed their leaves inorder to;
Fertilize the soil
Reduce water loss
Protect itself
Add water
Add carbon dioxide
32. Which of the following is an example of a simple machine?
Bicycle
Bottle opener
Generator
Sewing machine
Motorcycle
33. Lizards, snakes and crocodiles are’
Reptiles
Mammals
Birds
Amphibians
Insects
34. Car batteries are good examples of making electricity using;
Friction
Chemicals
Water
Machine
Heat
35. Which of the following sets are excretory organs?
Liver, blood, heart and capillaries
Kidney, liver, lungs, and bile
Heart, liver, skin, lungs and kidney
Liver, skin, lungs and kidney
Small intestines, heart and capillaries.
36. Anything that simplifies work is called;
Scissors
Levers
Magnet
Machine
Computer
37. Which part of blood fights against diseases?
Red blood cells
Platelets
White blood cells
Plasma
Blood protein
38. The force of 10N was used to lift a luggage a distance of 6 meters. Find the amount of work done?
60j
60m
60N
16N
0.6j
39. An electric current of 0.8 Ampere passed through a conductor of 25 ohms. Which voltage will be read if the voltmeter is fixed in this circuit?