LEARNINGHUBTZ.CO.TZSCIENCE STANDARD FOUR EXAM SERIES 120
OFFICE OF THE PRESIDENT, REGIONAL ADMINISTRATION AND LOCAL GOVERNMENT
PRIMARY EXAMINATION SERIES
MARCH 2025
STANDARD FOUR, SCIENCE
1. Choose the letter of the correct answer
i. Regular practice that keep our bodies and minds in good condition
(A) balance diets
(C) healthy habits
(C) immunity
(D) physics
ii. The nutrients that keep our bodies warm
(A) vitamin
(B) carbohydrate
(C) fats and oils
(D) proteins
iii. In conducting a scientific investigation, what is the last step to do
(A) conclusion
(B) implementation
(C)writing a report
(D) analyzing data
iv. ….. are food that rich in protein and enable our bodies to grow and repair
(A) milk and beans ugali
(B) coconuts and avocado
(C) vegetable and meat
(D) fish and chicken
v. The process of introducing a vaccine into the bodies so as to protect from infection is called
(A) immunization
(B) protection
(C) vaccination
(D) healthy habits
2. Match items (i) - (v) by matching the correct item.
COLUMN A
ANSWER
COLUMN B
Use of drugs
Diseases caused by poor diet
Kwashiorkor
Caused by female mosquito
Ironing clothes
Food contains various types of nutrients
Balanced diet
Kills germs and removes creases
Malaria
Weaken the bodies to fight diseases
3. Choose the correct answer from the box and write in the space provided
Refers to components of food that help is digestion
Foods that protect us from diseases and help our bodies to function property
make the body strong to fight a certain types of diseases
is used by the body to make food sweat and saliva
the ability of the bodies to fight against diseases.
4. Arrange the following steps of washing clothes by giving them letter A- E
i. Wash clothes, squeeze rinsed them hang them on a clothes line
ii. Put water into a basin mix with washing powder
iii. First wash the less dirty white clothes
iv. Soak coloured and write clothes separately for 30 minutes
v. Apply soap. Do more kneading on area with more dirt [
5. Read the passage and answer all the questions below
Balanced diet are the meal that contains all nutrients in the right proportion. These nutrients include carbohydrate, proteins, vitamins, fat and mineral salt. These food make our bodies strong and healthily carbohydrate give us energy while proteins enable the bodies to grow well. Fat give our bodies warm, fruits and vegetable help to fight germs which cause disease and example minerals salts are calcium magnesium and sodium which help our bodies to function properly.
QUESTIONS
i. A meals which contains various kind of good group is called ………………………………..
ii. if we need our bodies to be strong we advised to eat food which contain……………………………..
iii. The group of food which give our bodies warm is ……………………………..
iv. What is the title of the passage ……………………………..
LEARNINGHUBTZ.CO.TZSCIENCE STANDARD FOUR EXAM SERIES 109
PRIMARY EXAMINATION SERIES
COMPETENCE BASED ASSESSMENT
TERMINAL EXAM MAY 2024
SUBJECT : SICENCE &TECHNOLOGYCLASS :4
NAME: ………………………………………………….DATE: ……….........…
CHOOSE THE CORRECT ANSWER AND WRITE ITS LETTER IN THE BOX
Which of the following can be in from liquid,solid or gas? (A) sand (B) water (C) piece of papers (D) oxygen gas [ ]
Why is the hand of this tool wrapped with a plastic material? (A to avoid sound pollution (B) to control light from the flame (C) to reduce time for cooking (D) to avoid burning hands [ ]
In which of the following does light travel (A)waves (B) sound (C) packs (D) thunder [ ]
What is the characteristic of black object? (A) absorb all the light (B) absorb some light (C) reflect all light (D) has the black colour [ ]
Which part of a radio directs incoming and outing radio waves (A) turning knob (B)antenna (C) diode [ ]
Choose the correct answer and write its letter in the box provide
LIST A
ANSWER
LIST B
Parts of television
Journals, magazines, newspapers
Written media
Remote sensor, antenna, screen
Communication
Bill boards, television set, phones
Communication media
Calculator,dry cell, keyboards
Parts of a radio
Messenger app,e-mail,facebook
Speakers,battery area, metre band
Conferences, seminars, telecommunications
No smoking humps ahead
Use the words in the box below and answer the question 1-v
Refrigerator,su , kereosene stove, radio, television, electric circuit.
______________________ is a type of stove that uses kereosene to provide fire
A device that receive electromagnetic waves and turn the into sound ____________
_______________the electric equipment in which food is kept cold so that it stays fresh or unspoiled
A device that receives electromagnetic waves and converts them into image and sound __________________
__________________ is the main source of energy in the word
Study the picture below carefully then answer question that follow.
Questions
Keep your environment clean! Do not litter paper! Make sure wastes are thrown in a preserved area! These words can be represented by which letter? ____________________________________________________
Which picture among the above is used in environmental destruction ?
What is the name of the tool shown by letter A? ____________________
Read the following passage and then answer the questions.
Many types of food that we use in our daily life are cooked.Food is cooked using heat energy.The devices used to facilitate the cooking of our food are called stoves.In Tanzania the most commonly used fuels are wood and charcoal.In recent years, there has been an increase in gas stove users in urban and rural areas.The choice of the type of stove varies according to the availability, coast and safety of the type of fuel used.Those are some of the things to consider when choosing the types of stove to use.
Questions
Name two types of stoves used by many people in Tanzania
___________________________________________
_________________________________________
Diesel, gasoline, natural gas and charcoal are called _________________________________
What types of energy is used for cooking? ____________________________________
Most rural people use ____________________________fuels
Why do you think most people use wood stoves?_________________________
Answer items (i) to (v) by choosing the correct answer and writing its letter in the space provided.
Which of the following is NOT a source of heat energy?
Sun
Friction
Moon
Firewood
Things in our environment are grouped into ……………
Water and air
Living and non-living things
Trees and soil
Animals and insects
The three main requirements for plants to live are ……………….
Water, oxygen and fertilizer
Water, air and fertilizer
Water, air and sun-light
Soil, air and fertilizer
All the following are forms of energy, except …….
Wind
Light
Soil
Electricity
Soaking clothes in water containing detergent or soap helps to ….. dirt
Strengthen
Harden
Loosen
Add
Match the items in LIST A with those in LIST B correctly.
LIST A
Disinfectants
Malaria, typhoid, tuberculosis
Contamination
Roundworms
Tapeworm
LIST B
Ascaris
Worms with segmented bodies
Chemicals that kill germs
The action of making water or food dirty
Communicable diseases
Use the words provided in the box below to answer the questions that follow:
Message e-mailmobile telephones television
radio lettercarhorn
The piece of information communicated to another is called …….
The communication device that produces sound and picture at the same time is called …………..
An electronic letter sent through the internet to a recipient is known as ………
All wireless phones are called ………..
One example of sound message used by drivers when driving on roads is ……….
SECTION B
Read the passage below and then answer the questions that follow.
A refrigerator is an electrical device that is used for storing food and drinks in order to keep them for a long time. Foods that are kept in the refrigerator are foods that go bad easily such as meat, milk, fish, fruits, etc. The foods that are easily destroyed are called perishable foods. There are two compartments in the refrigerator; the refrigerator and the freezer. The freezer stores things at the lower temperature known as the frozen state. Foods such as meat, ice, ice-cream, and fish are stored in the freezer part of the refrigerator. The refrigerator compartment stores foods such as fruits and vegetables.
Questions:
Foods that are easily destroyed such as meat and fish are called …………
The compartment with the lowest temperature in the refrigerator is called the ……..
We can keep food for a long period of time by storing them in the ………..
The process by which water kept in the refrigerator becomes ice is called ……….
Fruits and vegetables are stored in the …….. Compartment.
Study the diagram below and answer the questions that follow.
Toilet i
Toilet ii
The type of toilet marked (i) is called …………..
The type of toilet marked (ii) is called ……………
The type of toilet found inside public transport is called …………
We apply …….. to prevent bad smell from the type of toilet marked (i).
Pit latrines should be built at least ……. Away from the living house.
All communication devices and any unauthorized materials are not allowed in the examination room.
SECTION A
Answer items (i) to (v) by choosing the correct answer and writing its letter in the space provided.
Sharing personal items such as towels and undergarments can cause the spread of
Malaria
Skin diseases
Cancer
Blindness
The part of the radio which produces sound is called ...........
Speaker
Antenna
Volume button
Battery
The ability to do work is scientifically termed as ................
Work done
Power
Matter
Energy
The sheets or plates that are installed to trap the energy from the sun and convert it to electricity is known as .............
Solar energy
Generator
Solar panel
Oven
The following are the artificial sources of light energy, EXCEPT ...........
Candle
Sun
Torch
Bulb
Answer the questions in items (i) – (v) by matching the items in List “A” with those in List “B”
LIST A
LIST B
Conduction
Convection
Carbon dioxide and water
Source of light energy
Radiation
Electricity, candle, sun
Uses of heat energy
Heat transfer in liquids
Heat transfer in solids
Used by plants to make food
Process by which heat from the sun reaches the earth’s surface.
Answer the questions in items (i) – (v) by choosing the correct word from the box, and writing it in the blank space provided.
Afforestation reproduction trachomagerms
ColonPhotosynthesisstarchmeat and fish
The ability of the living organism to form new organism of their own kind is called..............
........ is a way of conserving the environment.
The disease that affects the eyes of people who do not wash their faces often.......
Drinks ... and ....... are the foods commonly kept in the refrigerator.
....... are disease causing organisms that can only be seen with the help of a microscope
SECTION B
You have been given five stages of cleaning our bodies. Arrange the steps in good order, from the first to the last. Write the answers in the answer sheet provided.
Remove your clothes, pour water on your body and apply soap
Rinse your body, dry it with a towel and put on clean clothes.
Prepare some water in a basin, soap and a scrubbing brush.
Scrub the body using a scrub and soap
Enter the bathroom
Apply lotion on the skin, and comb your hair.
Study the picture below and then answer the questions that follow.
What is the activity happening in the above picture?
Which type of waste is shown in the picture above?
State one source of such waste.
Which animals are likely to be badly affected by such waste?
Making water dirty and contaminated is known as .....
LEARNINGHUBTZ.CO.TZSCIENCE STANDARD FOUR EXAM SERIES 77
OFFICE OF THE PRESIDENT
REGIONAL GOVERNMENT AND LOCAL GOVERNMENT
STANDARD FOUR EXAMINATION SERIES
SCIENCE
ANNUAL FOR 2022
ANSWER ALL QUESTIONS
SECTION A
Answer items (i) to (v) by choosing the correct answer and writing its letter in the space provided.
Which of the following is NOT a source of heat energy?
Sun
Friction
Moon
Firewood
Things in our environment are grouped into ……………
Water and air
Living and non-living things
Trees and soil
Animals and insects
The three main requirements for plants to live are ……………….
Water, oxygen and fertilizer
Water, air and fertilizer
Water, air and sun-light
Soil, air and fertilizer
All the following are forms of energy, except …….
Wind
Light
Soil
Electricity
Soaking clothes in water containing detergent or soap helps to ….. dirt
Strengthen
Harden
Loosen
Add
Match the items in LIST A with those in LIST B correctly.
LIST A
Disinfectants
Malaria, typhoid, tuberculosis
Contamination
Roundworms
Tapeworm
LIST B
Ascaris
Worms with segmented bodies
Chemicals that kill germs
The action of making water or food dirty
Communicable diseases
Use the words provided in the box below to answer the questions that follow:
Message e-mailmobile telephones television
radiolettercarhorn
The piece of information communicated to another is called …….
The communication device that produces sound and picture at the same time is called …………..
An electronic letter sent through the internet to a recipient is known as ………
All wireless phones are called ………..
One example of sound message used by drivers when driving on roads is ……….
SECTION B
Read the passage below and then answer the questions that follow.
A refrigerator is an electrical device that is used for storing food and drinks in order to keep them for a long time. Foods that are kept in the refrigerator are foods that go bad easily such as meat, milk, fish, fruits, etc. The foods that are easily destroyed are called perishable foods. There are two compartments in the refrigerator; the refrigerator and the freezer. The freezer stores things at the lower temperature known as the frozen state. Foods such as meat, ice, ice-cream, and fish are stored in the freezer part of the refrigerator. The refrigerator compartment stores foods such as fruits and vegetables.
Questions:
Foods that are easily destroyed such as meat and fish are called …………
The compartment with the lowest temperature in the refrigerator is called the ……..
We can keep food for a long period of time by storing them in the ………..
The process by which water kept in the refrigerator becomes ice is called ……….
Fruits and vegetables are stored in the …….. Compartment.
Study the diagram below and answer the questions that follow.
The type of toilet marked (i) is called …………..
The type of toilet marked (ii) is called ……………
The type of toilet found inside public transport is called …………
We apply …….. to prevent bad smell from the type of toilet marked (i).
Pit latrines should be built at least ……. Away from the living house.
LEARNINGHUBTZ.CO.TZSCIENCE STANDARD FOUR EXAM SERIES 71
THE PRESIDENT’S OFFICE
MID TERM EXAMINATIONS – MARCH
SCIENCE AND TECHNOLOGY-4
SECTION A. MULTIPLE CHOICE QUESTIONS
Choose the correct answers from the alternatives given
Environment can be defined as: a. plants and animals b. everything that surrounds us. C. process of moving d. plants and all water bodies
The process by which organism produce another organism of the same kind is called? A. movement b. reproduction c. environment d. living things
Energy can be defined as the ability to a. giving work b. starting work c. doing work d. finish work
One of the importance of ironing clothes is; a. look smart b. kill germs c. make people shine d. be clean
The part of the radio that produce sound is called? A. handle b. antenna c. speaker d. meter band
The following are natural actions that can pollute environment a. soil erosion, overgrazing and mining, b. food, storms, and earth quakes c. floods, overgrazing, and agriculture, d. storm, mining, and earthquake
Match the following items in column A with those in column B
COLUMN A
COLUMN B
Dry cell
Antenna
Wire
Speaker
Horn
Switch
Bulb.
Is used to produce sound
Traditional means of communication
Completes or breaks the circuit
Source of electricity
Electrical appliance
Used to catch the wave
Conduct electricity
SECTION B.
Use the words in the box below to answer questions that follows;
…………………………………………………is a mixture of different gases
…………………………………………………..is the natural source of light on the earth
………………………………………………….is the artificial source of light on earth
…………………………………………………are essential needs of plants
………………………………………………..are essential needs of animals
One of the sense organs that is used to test is called…………………………….
SECTION C.
Read the following passage, then answer questions that follows;
The sun is the main source of light. The others are the stars, and moon at night.Some insects produce light from their bodies at night, but their light cannot help us to see well.
Light reach us in form of waves and interact with our eyes to see well. We can not see things well without light, . Lighting is another natural source of light. Fires are source of light. The candles, lamps, bulb and torch are artificial sources of light.
QUESTIONS
Mention two natural sources of light…………………………………………and……………………………………………
The main source of light on the earth is……………………………………………………………………………………….
Small insects that produce light from their bodies at night are called………………………………………….
Among the following, which one is not a natural source of light?, fire, stars, lamps, the sun, and fire flies
LEARNINGHUBTZ.CO.TZSCIENCE STANDARD FOUR EXAM SERIES 48
SAYANSI NA TEKNOLOGIA
1. Chagua jibu sahii kutoka yale uliopewa
Njia ya haraka ya kufikisha taarifa kwa watu wengi kwa muda mfupi ni?
Simu
Runinga
Redio
Magazeti
ipi sio dalili ya ugonjwa wa malaria?
Kuumwa kichwa
Kutapika
Joto kali la mwili
Kuharisha
Ugonjwa wa saratani unaweza kuchangiwa na:
kutofanya mazoezi
Uvutaji sigara na unywaji wa pombe
Kula sana
Uvivu
Ni hatua gani muhimu utachukua baada ya kubaini tatizo katika jamii?
Kuanza uchunguzi wa kina
Kubuni dhanio
Kuandaa dodoso
Kuandaa majaribio ya kisayansi
Kukusanya taarifa na data
Hatua ya tatu ya utafiti wa kisayansi ni .........
kuchambua data
kutafsiri matokeo
kuandaa na kuanza jaribio
ukusanyaji wa data
kutambua tatizo
Kinga ya mwili inaweza kuimarishwa kwa:
Kupata chanjo
Kupumzika
Kutofanya mazoezi
Kuimba
Ni kundi lipi linalowakilisha vyakula vinavyoupa mwili nguvu na joto......
Mkate, maziwa na mboga za majani
Maembe, karoti na mboga za majani
Mihogo, viazi mviringo na mahindi
Nyama, mahindi na maharagwe
kipi hakipaswi kufanyiwa mtu aliyezirai?
Kumpepea hewa
Kumlaza chini
Kuvua viatu na nguo nzito
Kumpa kinjwaji
Sehemu ya mti inayofyonza maji huitwa
Shina
Mizizi
Majani
Tawi
Njia haraka ya kufikisha ujumbe kwa watu wengi kwa haraka ni……………………..
Barua
Radio
Runinga
Simu.
2. Jaza nafasi zilizowazi
Kujongea na kuhema ni moja wapo ya tabia ya ………………………………………..
Maji yanapopata joto, hugeuka na kuwa…………………………………………………….
Matunda na mbogamboga yapo katika kundi lipi la vyakula?..........................
Mwanga husafiri katika mstari……………………………..
Rangi ya kijani kibichi katika jani husababishwa na…………………………………………..
3. Oanisha kifungu A na kifungu B Ili kupata maana
Kifungu A
Kifungu B
Huduma ya kwanza
Baadhi ya wadudu wenye sumu
Vifaa vya huduma ya kwanza kwa aliyeumwa na mdudu mwenye sumu
Baada ya kutoa huduma ya kwanza
Huduma ya kwanza hutolewa ili
Nge na kipepeo
Mpeleke aliyejeruhiwa hospitalini au kwenye zahanati
Kupunguza maumivu na kuokoa Maisha
Nyuki na tandu
Mtu yeyote
Wembe,pamba. Spiriti na glovu
Maji ya kitunguu
Ni msaada unaotolewa kwa majeruhi kabla ya kwenda hospitalini
Mpeleke aliyejeruhiwa nyumbani
4. Soma kifungu kifuatacho, kisha jibu maswali
Kama tusingekuwa na kinga ya mwili tungekuwa tunauguakila mara. Hii ni kwa sababu, katika mazingira yetu kuna viinimbalirnbali vya magonjwa. Viini hivyo vinaweza kuingia mwilinikupitia mdomoni tunapokula na puani wakati wa kuvuta hewa.Pia, vinaweza kupitia kwenye ngozi na hasa sehemu zenyemichubuko au jeraha.
Kinga ya mwili imegawanyika katika sehemu kuu mbili, kinga ya asili na isiyo ya asili. Kinga ya asili ni ile ambayo mtoto anaipatakutoka kwa mama yake. Kinga hiyo huipata anapokuwa tumbonina wakati wa kunyonya maziwa ya kwanza ya mama.
Kinga nyingine ya asili ni ile inayotengenezwa ndani yamwili na sell nyeupe za damu. Kinga hii hutengenezwa palemtu anapopata ugonjwa kwa mara ya kwanza. Baadhi yavimelea vya magonjwa vikiingia mwilini, mwili hutengenezakinga kupambana navyo. Kinga zisizo za asili ni zile ambazohupatikana kwa njia ya chanjo. Hizi husisimua mwili iii utoekinga dhidi ya ugonjwa unaohusika
Maswali
Kwanini hatuugua mara kwa mara?...........................................................................
Taja njia ambazo viini vinaweza kuingia katika miili yetu………………………………………
Taja aina mbili za kinga ya mwili………………………………………………………………………………..
Seli ambazo hukinga mwili kutokana na magonjwa huitwa…………………………………………
Taja ugonjwa mmoja ambao tunaweza kujikinga nao kwa kuchanjwa…………………………
5. Chunguza picha ifuatayo kisha jibu maswali
Herufi A inawakilisha…………………………………….
Herufi C inawakilisha…………………………………..
Picha hii inawakilisha kundi gani ya mashine rahisi?.........................................
Taja aina mbili za mashine rahisi unazozijua…………………………………………………….
17. The diagram above is very important when offering..........to a patient.
State three things that are found in the diagram above
18....................
19....................
20...................
Read the passage below carefully and then answer the following questions.
Matter is anything that occupies space and has weight. There are three states of matter; solids liquids and gases. The solids have closely packed particles. The closeness of the particles in solids gives them a definite shape and volume. In liquids, the particles are far apart than solids but close together when compared to gases.
The liquids have a definite volume but take the shape of the container in which they are placed. In the gases, the particles are further apart and this makes the gases to lack both definite shape and volume. When the gases are put in a container, they fill up the whole space.
QUESTIONS
21.Which state of matter has no definite shape and no definite volume?
22.Which state of matter has both definite shape and volume?
23. Which state of matter has definite volume but no definite shape?
1.This paper has 2 sections A and B with 6 questions
2.Answer all the questions
3.All answers should be written in capital letters
4.Write your three names, school, District and Region 5.Your work should be neat.
SECTION: A [26 Marks]
1.Choose the correct answer and write its letter in the box provided.
(i) Bad communication destroys good relationship such as:
A. Honest
B. Speaking angrily
C. Speaking impolite
D. Fighting with others
(ii) The way of expressing feeling, ideas or information to another person or group is called:
A. Communication
B. Speaking
C. Talking
B. Whispering
(iii) The following are groups of needy people in the society, except;
A. Sick people
B. Orphans
C. Elderly
D. Strong and physically fit people
(iv) The leaders of the pupil’s government are ____
A. Head teacher and discipline teacher
B. Parents and prefects
C. Head prefects, assistance head prefects and prefects
D. Head teacher and parent
(v) Tanzania colonized by which country?
A. British
B. German
C. Oman
B. Never colonized
2.Match the questions in List A with answer in List B then write the letter of the correct answer in the grid provided;
i. Taking care of one-selves means _____________________________
ii. The duty that you have to fulfill is called ______________________
iii. Tanganyika and Zanzibar they united in _______________________
iv. Usually the national flag is lowered at _________________________
SECTION: B [24 Marks]
4. Complete the table below by writing the position of leadership of Tanzanian presidents, use position from the box to fill in the gaps.
5.Study the following diagram then answer the questions that follow:
i. The diagram above is called school _____________________________ ii.The motto of this school is ____________________________________
iii. From the diagram name one thing which related to play ____________
iv. From the diagram, a book is related with which word from the school motto? __________________________
6.Read the passage below and answer question (i) – (iv) by writing brief answer in the blanks.
THE ORIGIN OF TANZANIA
Before 1964 there was country called Tanganyika which got her independence in December, 1961, and also there is island called Zanzibar which got her independence in December, 1963. On 12th January, 1964 the people of Zanzibar over through the sultan of Zanzibar and Abeid Amani Karume became the first president of Zanzibar. The origin of Tanzania is the union between Tanganyika and Zanzibar. Tanganyika and Zanzibar united on 26th April 1964 to form the United Republic of Tanzania. Julius Kambarage Nyerere became the first president of Tanzania.
Questions:
i. Zanzibar got her independence in _______________________
ii. Tanganyika and Zanzibar united in _______________________________
iii. The first president of Tanganyika and Tanzania was_________________
iv. The first President of Zanzibar was _______________________________
This examination has 5 sections A and B with 5 questions
Answer all questions in each section.
All answers should be written in capital letters.
Write your three names, school, District and Region.
Make sure your work is neat.
SECTION A
1. Answer items (1) –(5) by choosing the correct answer and writing its letter in the boxes provided
1. Sharing sharp objects such as razor blade, needles and syringes may cause;
Cholera
Tuberculosis
Malaria
HIV/AIDS.
2. Gastric juice is produced in the …………………………
Mouth
Ileum
Stomach
Colon.
3. The state of being free from sickness or injury is called
Hygiene
Health
Patient
Disease
4. Which one of the following is NOT true about light?
Light travels in a straight line
Light can bend
Light can be reflected
Light cannot bend
5. The other name of protective food is known as
Vegetable
Fruits
Protein
Vitamins.
SECTION B.
Answer the questions items (i) –(ii) by matching the description of parts of the radio which are in List “A” and the parts of the radio which are in List “B”
LIST A
LIST B
6. Used to search station
7. Used to catch waves
8. Used to carry the radio
9. It outputs sound
10. Used to put on radio
Antenna
Switch
Meter band
Volume button
Speaker
Handle
Sound equilizer
SECTION C.
Refrigerator, cooker, ICT, Firewood, Stove, Remote control
Answer the questions in items below by choosing the correct word from the box and write it in the blank spaces.
11. Which instrument helps to select the channels on TV and to turn the TV on?.....................
12. Which one is a modern method of electronic learning in schools?.........
13. ……………..is used to keep our food and drinks cold.
14. A device used for preparing, cooking and drying food is……………..
15. The type of cooker in which three stones are arranged in such a way that a pot or utensil sit on them is called………………………………….
SECTION D.
Write true for a correct statement and false for incorrect statement..
16. Not all animals needs water to survive…………..
17. Once a plant gets light, it does not need suitable temperature.
18. You can get scientific solution by oral work………..
19. Plants obtain water from the soil………….
20. Development in science and technology depends much on scientific investigation ………………