FORM FOUR BIOLOGY NECTA MULTIPLE CHOICE(2005-2018)
FORM FOUR BIOLOGY MULTIPLE CHOICE 2019

THE UNITED REPUBLIC OF TANZANIA NATIONAL EXAMINATIONS COUNCIL OF TANZANIA

CERTIFICATE OF SECONDARY EDUCATION EXAMINATION

033/1            BIOLOGY 1

(For Both School and Private Candidates)

Time: 3 Hours                                                  Tuesday, 05th November 2019 a.m.

Instructions

  1. This paper consists of sections A, B and C with a total of fifteen (15) questions.
  2. Answer all the questions in sections A and B and two (2) questions from section C of which question 13 is compulsory.
  3. All writing should be in blue or black pen, except for diagrams that must be drawn in pencil.
  4. Cellular phones and any unauthorised materials are not allowed in the examination room.
  5.  Write your Examination Number on every page of your answer booklet(s).

                                                                                                                                               

SECTION A (15 Marks)

Answer all questions in this section.

1 For each of the items (i) - (x), choose the correct answer from among the given alternatives and write its letter beside the item number in the answer booklet provided.

(i) What is the aim of doing experiment when conducting a scientific investigation?

  1.  Identifying a problem 
  2.  Finding a solution 
  3.  Testing a hypothesis 
  4.  Gathering information 
  5.  Recording results


(ii) Why is it advised to build an incinerator in every hospital and health centre? 

  1. for collecting wastes. 
  2. for disposing gaseous wastes. 
  3. for disposing liquid wastes. 
  4. for burning hazardous wastes. 
  5. for disposing plastic wastes.


(iii) Mrs. Jumas child has protruding stomach and swollen lower limbs. What type of food should she give to her child to overcome the problem?

  1. Starch  
  2. Lipids
  3. Proteins                        
  4. Minerals
  5. Vitamins


(iv) In the food chain: Grass  Lion. A lion is:

  1. a primary consumer.   
  2. a secondary consumer.
  3. a producer. 
  4. a tertiary consumer. 
  5. a decomposer.


(v) Water from the roots of flowering plants is transported up to the plant by different forces. Which of the following forces initiates and raises water to the least height? 

  1. Root pressure 
  2. Transpiration pull
  3. Cohesion forces                     
  4. Adhesion forces
  5. Capillarity


(vi) A patient has been diagnosed with low level of blood sugar. Which hormone would you recommend to regulate the victims sugar? 

  1. Insulin 
  2. Glucagon
  3. Antidiuretic 
  4. Aldosterone 
  5. Testosterone


(vii) Which one is the feature of aging in human beings?

  1. Shorter reaction times 
  2. Strong bones
  3. Strong muscles                       
  4. Body increases in size
  5. Wrinkling of the skin


(viii) What is the role of node of ranvier in a neurone?

  1. To transmit the impulses away from the cell body.
  2. To insulate the axon and speed up transmission of impulses.
  3. To transmit nerve impulses from one nerve to another.
  4. To speed up the transmission of nerve impulses.
  5.  To transmit the nerve impulses towards the cell body.


(ix) What is variation as applied to genetics?

  1. Differences among individuals of the related species.
  2. Differences among individuals of the same species.
  3. Differences among individuals of different species.
  4.  Differences among individuals of unrelated species.
  5.  Differences among individuals of the expected species.


(x) Which one is correct about Cosmozian theory of origin of life?

  1.  Life was brought in this Earth from elsewhere.
  2.  Life arose according to physical and chemical laws.
  3.  Living organisms arose from non-living materials.
  4.  The Earth and all the organisms on it were created by God.
  5.  The planet Earth and all the organisms have always been there.


FORM FOUR BIOLOGY MULTIPLE CHOICE 2018

THE UNITED REPUBLIC OF TANZANIA NATIONAL EXAMINATIONS COUNCIL OF TANZANIA
CERTIFICATE OF SECONDARY EDUCATION EXAMINATION      

033/1 BIOLOGY 1 (For Both School and Private Candidates)

Time: 3 Hours Wednesday, 07th November 2018 a.m.

Instructions

  1. This paper consists of sections A, B and C with a total of thirteen (13) questions.

  2. Answer all questions in sections A and B and one (1) question from section C.

  3. Except for diagrams that must be drawn in pencil, all writing should be in blue or black ink.

  4. Calculators, cellular phones and any unauthorized materials are not allowed in the examination room.

  5. Write your Examination Number on every page of your answer booklet(s).

SECTION A (20 Marks) 

Answer all questions in this section.

For each of the items (i) - (x), choose the correct answer from among the given alternatives and write its letter beside the item number in the answer booklet.

(i) Mitosis normally takes place in

  1.  reproductive cells
  2.  animal cells only 
  3.  blood plasma 
  4.  plant cells only
  5.  somatic cells.      


(ii) Which of the following is the symptom of the disease caused by lack of protein in children?

  1. Anemia 
  2. Swollen head 
  3. Breeding 
  4. Pale and thin hair 
  5. Sneezing.         


(iii) flow many gametes are produced from one cell during meiosis?

  1. Eight 
  2. Two  
  3. Four 
  4. Six 
  5. Ten.         


(iv) Which of the following is the excretory organ in human?

  1. Mouth 
  2. Kidney 
  3. Pancreas 
  4. Stomach 
  5. Anus.         


(v) Which of the following hormones stimulates seed germination in plants?

  1. Gibberellins 
  2. Auxin 
  3. Cytokinins 
  4. Abscisic acid 
  5. Ethene.         


(vi) A joint which allows rotation in all planes is called

  1.  suture
  2.  ball and socket
  3.  pivot
  4. ligament
  5.  hinge.


(vii) In which environmental condition the loss of water vapour from plants is mostly favourable? 

  1. Hot and Windy day 
  2. A saturated atmosphere 
  3. Cool and dry atmosphere 
  4. Windy day 
  5. Hot day.      


(viii) The function of the bright coloured petals in flowers is

  1. to store nectarines 
  2. to hold sepals in position 
  3. to produce colour of the flower 
  4. to receive pollen grain 
  5. to attract insects for pollination.      


(ix) The function of hydrochloric acid in food testing experiment is

  1. to decolourise food sample 
  2. to test reducing sugar 
  3. to oxidize the food sample 
  4. to neutralize sugary foods 
  5. to hydrolyze complex to simple sugar.         


(x) The interaction between two species in which both organisms benefit is known as

  1. ectoparasite 
  2. parasitism 
  3. commensalisms 
  4. mutualism 
  5. endoparasite.         


FORM FOUR BIOLOGY MULTIPLE CHOICE 2017

THE UNITED REPUBLIC OF TANZANIA NATIONAL EXAMINATIONS COUNCIL

CERTIFICATE OF SECONDARY EDUCATION EXAMINATION

033/1              BIOLOGY 1

(For Both School and Private Candidates)

Time: 3 Hours                          Wednesday, 01stNovember 2017 a.m.

Instructions

  1. This paper consists of sections A, B and C with a total of thirteen (13) questions.
  2. Answer all questions in sections A and B and one (1) question from section C.
  3. Except for diagrams that must be drawn in pencil, all writing should be in blue or black ink.
  4. Calculators, cellular phones and any unauthorised materials are not allowed in the examination room.
  5. Write your Examination Number on every page of your answer booklet(s).

SECTION A (20 Marks) 

Answer all questions in this section.

1. For each of the items (i) - (x), choose the correct answer among the given alternatives and write its letter beside the item number in the answer booklet provided.

(i)  Goitre is a deficiency disease caused by lack of which element in the diet?

  1.  Carbohydrate 
  2. Iodine 
  3. Vitamin E 
  4. Vitamin C
  5.  Protein.


(ii) Tongue rollers in genetics is an example of

  1.  gametogenesis 
  2. continuous variation 
  3. swallowing 
  4. lubricating food 
  5. discontinuous variation.


(iii)Which food substance is investigated in the biuret test procedur?

  1.  Carbohydrate 
  2. Lipids 
  3. Protein 
  4. Starch 
  5. Reducing sugar.


(iv) The product of anaerobic respiration process in animals is

  1.  lactic acid   
  2. carbondioxide  
  3. alcohol
  4. water  
  5.  oxygen.


(v)  A phylum consisting of species with jointed appendages and exoskeleton is known as

  1.  Chordata 
  2. Anelida 
  3. Arthropoda
  4. Platyhelminthesis 
  5. Nematoda.


(vi) Which part of the flower receives pollen grain during pollination?

  1.  Petal 
  2. Stigma 
  3. Stamen 
  4. Style 
  5. Ovary.


(vii) A rapid growth in plants is mainly taking place in

  1. leaves 
  2. cambium
  3. roots
  4. shoots and root tips 
  5. stem. 


(viii) Which of the following is NOT a component of First Aid Kit?

  1. Razor blade 
  2. Panadol 
  3. Bandage 
  4. Soap 
  5. Microscope. 


(ix) Which disease spread rapidly as a result of poor waste disposal?

  1. Anemia
  2. AIDS
  3. Cholera
  4. Leukemia
  5. Small pox.


(x) A voluntary muscle that is capable of relaxing continuously and do not fatigue easily is known as

  1.  skeletal muscle
  2. biceps
  3. triceps
  4. cardiac muscle
  5. smooth muscle. 


FORM FOUR BIOLOGY MULTIPLE CHOICE 2016

THE UNITED REPUBLIC OF TANZANIA NATIONAL EXAMINATIONS COUNCIL

CERTIFICATE OF SECONDARY EDUCATION EXAMINATION

033/1 BIOLOGY 1

(For Both School and Private Candidates)

Time: 3 Hours Thursday, 03 rd November 2016 a.m.

Instructions

  1. This paper consists of sections A, B and C.

  2. Answer all questions in sections A and B and one (1) question from section C.

  3. Except for diagrams that must be drawn in pencil, all writings should be in blue or black ink.

  4. Calculators and cellular phones are not allowed in the examination room.

  5. Write your Examination Number on every page of your answer booklet(s).

SECTION A (20 Marks)

Answer all questions in this section.

  1. For each of the items (i) - (x), choose the correct answer among the given alternatives and write its letter beside the item number in the answer booklet provided.

(i)Caridac muscle can be found in which part of the animal body?

  1. Skull
  2. Heart
  3.  Small intestine
  4.  Limbs
  5.  Head.


(ii)The kidney in animals is mainly responsible for

  1.  excretion
  2.  digestion
  3.  transportation
  4.  respiration
  5.  absorption.


(iii) The aim of experiment in the scientific investigation is to

  1.  identify the problem
  2.  test the hypothesis
  3.  confirm the problem
  4.  predict the results
  5.  collect data.


(iv) The main product of anaerobic respiration process in plants is

  1.  uric acid
  2.  lactic acid
  3.  alcohol
  4.  water
  5.  oxygen.


(v) Which of the following parasitic organisms is typicall ectoparasite?

  1.  Tick
  2.  Tapeworm
  3.  Plasmodium
  4.  Round worm
  5.  Lichen.


(vi) Which of the following is a seed bearing plant?

  1.  Liverwort
  2.  Prothallus
  3.  Fern
  4.  Sisal
  5.  Moses.


(vii) A part of an onion bulb which is important for vegetative propagation is

  1.  scale leaves
  2.  foliage leaves
  3.  terminal buds
  4.  roots
  5.  stem.


(viii) Which of the following is NOT a component of blood?

  1.  Erythrocyte
  2.  Platelets
  3.  Leucocyte
  4.  Plasma
  5.  Vein.


(x) Which food substance can be tested by using iodine solution?

  1.  Protein
  2.  Starch
  3.  Carbohydrate
  4.  Non reducing sugar
  5.  Reducing sugar.


(x) The offspring produced by mating the F1 generation is konwn as

  1.  F3 generation
  2.  F1 products
  3.  F2 generation
  4.  New generation
  5.  Genetic generation.


FORM FOUR BIOLOGY MULTIPLE CHOICE 2015

THE UNITED REPUBLIC OF TANZANIA NATIONAL EXAMINATIONS COUNCIL

CERTIFICATE OF SECONDARY EDUCATION EXAMINATION

033/1 BIOLOGY   1

(For Both School and Private Candidates)
TIME: 3 HOURS       Wednesday, 04 th November 2015 a.m.

INSTRUCTIONS

  1. This paper consists of three sections A, B and C.

  2. Answer all questions from sections A and B and one (1) question from section C.

  3. Except for diagrams that must be drawn in pencil, all writing should be done using a blue or black pen.

  4. Calculators and cellular phones are not allowed in the examination room.

  5. Write your Examination Number on every page of your answer booklet(s).

SECTION A (20 MARKS)

Answer all questions in this section.

1. For each of the items (i) – (x), choose the correct answer from among the given alternatives and write its letter beside the item number in the answer booklet provided.

(i) Bowmans capsule is found in which of the following organs?

  1.  Liver
  2.  Pancreas
  3.  Kidney
  4.  Spleen
  5.  Heart


(ii) Which of the following processes is involved in the regulation of body temperature in human beings?

  1.  Urination
  2.  Painting
  3.  Deamination
  4.  Sweating
  5.  Detoxification


(iii) A structure that allows air to enter the trachea and prevents food from entering the wind pipe is known as

  1.  glottis
  2.  tongue
  3.  soft plate
  4.  mouth
  5.  epiglottis


(iv) Study the following sequence of organisms: Grass ? Rabbit ? Wolves ? Fleas

The sequence is an example of

  1.  food web
  2.  ecosystem
  3.  a pyramid
  4.  food chain
  5.  abiotic


(v) Lipase enzymes are mainly contained in which digestive secretions?

  1.  Hydrochloric acid
  2.  Gastric juice
  3.  Saliva
  4.  Intestinal juice
  5.  Pancreatic juice


(vi) A person who is admitted in the hospital after an operation will most likely be fed on food rich in:

  1.  vitamin C
  2.  vitamin A
  3.  protein
  4.  lipids
  5.  water


(vi) Which of the following is a vector of sleeping sickness?

  1.  House fly
  2.  Mosquito
  3.  Tsetse-fly
  4.  Tick
  5.  Cockroach


(vii) The outer most living structure that identifies a plant cell is the presence of

  1.  cytoplasm
  2.  vacuole
  3.  cell wall
  4.  nuclear membrane
  5.  cell membrane


(x) One of the most distinctive features used to place organisms in the Kingdom Fungi is the presence of

  1.  gill structures
  2.  hyphae
  3.  cellulose
  4.  cap
  5.  exoskeleton


(x) Which of the following represent the organisms with homologous structures?

  1.  Wings of Birds and Butterfly
  2.  Forelimbs of Bird and Bat
  3.  Tail of Rat and Scorpion
  4.  Sting of Honey bee and Mosquito
  5.  Beak of Duck and Hen


FORM FOUR BIOLOGY MULTIPLE CHOICE 2014

THE UNITED REPUBLIC OF TANZANIA NATIONAL EXAMINATIONS COUNCIL

CERTIFICATE OF SECONDARY EDUCATION EXAMINATION

033/1 BIOLOGY   1

(For Both School and Private Candidates)

TIME: 3 HOURS Wednesday, 05 th  November 2014 a.m.

INSTRUCTIONS

  1. This paper consists of three sections A, B and C.

  2. Answer all questions from sections A and B and one (1) question from section C.

  3. Except for diagrams that must be drawn in pencil, all writings should be in blue or black ink.

  4. Calculators and cellular phones are not allowed in the examination room.

  5. Write your Examination Number on every page of your answer booklet(s).

SECTION A (20 MARKS)

Answer all questions in this section.

1.. For each of the items (i) – (x), choose the correct answer from among the given alternatives and write its letter beside the item number in your answer booklet.


(i)A term which best describes a condition of a plant cell that has lost too much water is

  1.  haemolysis
  2.  turgidity
  3.  creanation
  4.  plasmolysis
  5.  osmosis


(ii) Bowmans capsule in the kidney functions as a

  1.  filter
  2.  sanction
  3.  transmitter
  4.  sponge pump
  5.  absorber


(iii) A structure which controls the body balance in humans is located in the

  1.  outer ear
  2.  eardrum
  3.  inner ear
  4.  middle ear
  5.  inner membrane


(iv) The main product of photosynthesis process is

  1.  sunlight
  2.  carbohydrate energy
  3.  carbon dioxide
  4.  water
  5.  oxygen


(v) Species with cellulose in their cells are formally placed in

  1.  Kingdom Monera
  2.  Kingdom Animalia
  3.  Kingdom Fungi
  4.  Kingdom Plantae
  5.  Kingdom Protista


(vi) Fertilization process is defined as

  1.  formation of new cells
  2.  union of an egg and sperm
  3.  implantation of a zygote
  4.  fusion of eggs in the uterus
  5.  cell division in the oviduct


(vii) Mutual interaction between two species is described by which of the following characteristic

  1.  Both live as parasite
  2.  Both may be harmed
  3.  Both benefit and flourish
  4.  One is harmed and the other benefits
  5.  Both neither benefits for is harmed


(viii) One of the characteristics used to identify producers in the ecosystem is

  1.  feeding on ready-made food
  2.  growing in fertile soil
  3.  feeding on other organisms
  4.  making their own food
  5.  adding organic matter in the soil


(ix) The role of the optimum temperature in cellular activities is to

  1.  change the chemical reactions
  2.  balance the equilibrium of the reactions
  3.  destroy many enzymes at once
  4.  speed up the rate of chemical reaction
  5.  create favourable environment for enzymes


(x) Rise of body temperature in the human body is corrected mainly by

  1.  Dilating the skin arteries and sweating
  2.  Constricting the skin arteries and shivering
  3.  Dilating the skin veins and sweating
  4.  Constricting the skin veins and shivering
  5.  Dilating of arteries and shivering


FORM FOUR BIOLOGY MULTIPLE CHOICE 2013

THE UNITED REPUBLIC OF TANZANIA NATIONAL EXAMINATIONS COUNCIL

CERTIFICATE OF SECONDARY EDUCATION EXAMINATION

033/1 BIOLOGY   1

(For School Candidates Only)

TIME: 3 HOURS Thursday, 07 th  November 2013 a.m.

INSTRUCTIONS

  1. This paper consists of three sections A, B and C.

  2. Answer all questions from sections A and B and one (1) question from section C.

  3. Except for diagrams that must be drawn in pencil, all writing should be done using a blue or black pen.

  4. Calculators and cellular phones are not allowed in the examination room.

  5. Write your Examination Number on every page of your answer booklet(s).

SECTION A (20 MARKS)

1. For each of the items (i) – (x), choose the correct answer from among the given alternatives and write its letter beside the item number.

(i) Animals which are able to maintain fairly constant body temperature are described as

  1.  poikilothermic
  2.  hydrostatic
  3.  sympathetic
  4.  symbiotic
  5.  homoiothermic


(ii) Night blindness in the human body is avoided by eating

  1.  oranges
  2.  carrot
  3.  red
  4.  green vegetables meat
  5.  chicken


(iii) A blood vessel which conveys deoxygenated blood away from the heart is called

  1.  capillaries
  2.  artery
  3.  vein
  4.  pulmonary vein
  5.  pulmonary artery


(iv) The function of cones in the human eye is to

  1.  sense light
  2.  sense colour
  3.  cover the eye
  4.  reflect light
  5.  protect the eye


(v) A term used to identify an individual animal having both male and female sex organs is

  1.  unisexual
  2.  hermaphrodite
  3.  asexual
  4.  dioecious
  5.  monoecious


(vi) Which of the following structures is a site of respiration?

  1.  Chloroplast
  2.  Ribosome
  3.  Nuclear
  4.  Nucleic acid
  5.  Mitochondrion


(vii) The structures found in bacteria are A plasmid, flagella and cilia

  1.  cytoplasm, cilia and pastids
  2.  cell wall, plasmid and flagella
  3.  cell membrane,
  4.  flagella and hairs
  5.  plasmid, capsule and cilia


(viii) The by products in the photosynthesis process are

  1.  carbohydrate and water
  2.  carbon dioxide and oxygen
  3.  oxygen and water
  4.  carbohydrate and carbon dioxide
  5.  oxygen and air


(ix) The factors which contribute to the spread of dental cavities in human being include

  1.  prolonged exposure to cold water
  2.  prolonged exposure
  3.  prolonged exposure to warm water
  4.  prolonged exposure to bitter food to hard water
  5.  prolonged exposure to sugary foodstuff


(x) The main feature observed in prokaryotic is that they

  1.  have genetic materials not enclosed by nuclear membrane
  2.  have genetic material enclosed by nuclear membrane
  3.  have no genetic material in their nuclear
  4.  have more than one nucleic acid in their nuclear
  5.  have genetic material enclosed by two membranes


FORM FOUR BIOLOGY MULTIPLE CHOICE 2012

THE UNITED REPUBLIC OF TANZANIA NATIONAL EXAMINATIONS COUNCIL

CERTIFICATE  OF SECONDARY  EDUCATION   EXAMINATION 033/1 BIOLOGY   1

TIME: 3     HOURS Thursday,   11   th    October     2012a.m.

INSTRUCTIONS

  1. This paper consists of three sections A, B and C.

  2. Answer all questions from sections A and B and one (1) question from section C.

  3. Read each question carefully before you start answering it.

  4. Except for diagrams that must be drawn in pencil, all writing should be done using a blue or black pen.

  5. Calculators are not allowed in the examination room.

  6. Cellular phones are not allowed in the examination room.

  7. Write your Examination Number on every page of your answer booklet(s).

SECTION A (20 MARKS)

1. For each of the items (i) – (x), choose the correct answer from among the given alternatives and write its letter beside the item number.

(i)The joint in the human body which allows movement in all directions is known as

  1.  pivot
  2.  hinge
  3.  double hinge
  4.  ball
  5.  peg and socket and socket


(ii)Which of the following is a metabolic waste product?

  1.  Tears
  2.  Saliva
  3.  Mucus
  4.  Faeces
  5.  Urine


(iii) The following are examples of water-borne diseases:

  1.  malaria and bilharzia
  2.  yellow fever and typhoid
  3.  diarrhoea and malaria
  4.  cholera and plaque
  5.  cholera and typhoid


(iv)One of the distinctive features of kingdom Fungi is possession of:

  1.  plasma membrane
  2.  cytoplasm
  3.  chitin materials
  4.  cell membrane
  5.  cellulose material


(v)The regions of most active growth in plants are found mainly in the

  1.  axillary buds and flowered
  2.  stems and leaves
  3.  stems and root hairs
  4.  leaves and flowers
  5.  stem and root apices


(vi) A grasshopper ventilates its gaseous exchange surfaces by

  1.  moving the diaphragm
  2.  beating of cilia
  3.  rhythmic body movement
  4.  opening of spiracles
  5.  moving its rib cage


(vii) The taxonomic category of organisms belonging to the same class but not the same family is:

  1.  Species
  2.  Genus
  3.  Order
  4.  Phylum
  5.  Kingdom


(viii) The breakdown of glycogen into glucose in the body is due to the action of:

  1.  insulin
  2.  adrenaline
  3.  secretion
  4.  glucagon
  5.  gastric


(ix) The function of sunlight energy in the human skin is the stimulate the synthesis of

  1.  vitamin A
  2.  vitamin C
  3.  vitamin D
  4.  vitamin K
  5.  vitamin B


(x)A rise in the temperature of a human body is corrected by

  1.  construction of the skin arteries and sweating
  2.  construction of the skin arteries and shivering
  3.  dilation of the skin arteries and sweating
  4.  dilation of the skin arteries and shivering
  5.  shivering and sweating


FORM FOUR BIOLOGY MULTIPLE CHOICE 2011

(i)          How many gametes are produced from one cell during meiosis?

  1.  Two  
  2.   Four   
  3. Six 
  4.   Eight  
  5.  Ten


(ii)     Which of the following is not an excretory product in plants?

  1.  Tannins     
  2.  Carbon Dioxide 
  3.  Urea 
  4.   Calcium oxalate  
  5.  Latex


(iii)         Why are skeletal muscles usually found in opposing pairs?

  1.  One muscle alone cannot extend a joint
  2.  Muscles can only work by contraction
  3. One muscle alone cannot flex a joint
  4. Paired muscles are stronger
  5. Muscles normally work in antagonistic fashion


(iv)         Which of the following bests defines allergy?

  1.   Body reaction to antigen
  2.  Body reaction against a specific drug
  3.  Body reaction against a disease ­causing micro­organism
  4.  Accumulation of mucus caused by inhaling dust particles
  5.  Formation of rash caused by eating specific foods


(v)           When students were conducting private study at night, lights went off completely. Which of the following changes occurred in the eyes of the students?

  1. The lens became thicker   
  2.  The pupil became larger
  3. The ciliary muscle relaxed  
  4.  The lids close 
  5. The eyes opened wider


(vi)         Select the item that indicates the best match in vitamin ­deficiency:

  1. Vitamin A …………… dry scaly skin
  2. Vitamin B …………… loss of appetite and yawning
  3. Vitamin C …………… anemia and high blood pressure
  4.  Vitamin D …………… soft deformed bones
  5.  Vitamin K …………… poor night vision


(vii)          Which of the following is formed immediately after fertilization?

  1.  A placenta  
  2.   An embryo 
  3.  A foetus 
  4.  Amniotic fluid  
  5.  A zygote


(viii)        The human ovary secretes hormones known as:

  1. Oestrogen and testosterone
  2.   Progesterone and testosterone
  3.  Oestrogen and lactogen
  4.  Oestrogen and progesterone
  5.  Follicle stimulating hormone and progesterone


(ix)           The offspring of crosses between red flowered and white flowered plants were always found to be pink. This is an example of:

  1.  Crossing over 
  2.  Mutation
  3.  Co­dominance 
  4. Incomplete dominance 
  5.  Natural selection


(x)             At early stages of development of the human zygote which organ develops first?

  1.  Liver 
  2.  Heart 
  3.  Kidney
  4.  Eyes 
  5.   Notochord


THE UNITED REPUBLIC OF TANZANIA NATIONAL EXAMINATIONS COUNCIL

CERTIFICATE OF SECONDARY EDUCATION   EXAMINATION 033/1 BIOLOGY   1

 TIME: 3     HOURS Wednesday, 05   th    October 2011     a.m.

INSTRUCTIONS

  1. This paper consists of three sections A, B and C.

  2. Answer all questions from sections A and B and one (1) question from section C.

  3. Read each question carefully before you start answering it.

  4. Except for diagrams that must be drawn in pencil, all writings should be in blue/black ink or ball point pen.

  5. Calculators are not allowed in the examination room.

  6. Cellular phones are not allowed in the examination room.

  7. Write your Examination Number on every page of your answer booklet(s).

SECTION A (20 MARKS)

Answer all questions in this section, each question carries 10 marks.

1. For each of the items (i) – (x) choose the correct answer from among the given alternatives and write its letter beside the item number.

(i) How many gametes are produced from one cell during meiosis?

  1.  Two
  2.  Four
  3.  Six
  4.  Eight
  5.  Ten


(ii) Which of the following is not an excretory product in plants?

  1.  Tannins
  2.  Carbon Dioxide
  3.  Urea
  4.  Calcium oxalate
  5.  Latex


(iii) Why are skeletal muscles usually found in opposing pairs?

  1.  One muscle alone cannot extend a joint
  2.  Muscles can only work by contraction
  3.  One muscle alone cannot flex a joint
  4.  Paired muscles are stronger
  5.  Muscles normally work in antagonistic fashion


(iv) Which of the following bests defines allergy?

  1.  Body reaction to antigen
  2.  Body reaction against a specific drug
  3.  Body reaction against a disease­causing micro­organism
  4.  Accumulation of mucus caused by inhaling dust particles
  5.  Formation of rash caused by eating specific foods


(v) When students were conducting private study at night, lights went off completely. Which of the following changes occurred in the eyes of the students?

  1.  The lens became thicker
  2.  The pupil became larger
  3.  The ciliary muscle relaxed
  4.  The lids close
  5.  The eyes opened wider


(vi) Select the item that indicates the best match in vitamin­deficiency:

  1.  Vitamin A dry scaly skin
  2.  Vitamin B loss of appetite and yawning
  3.  Vitamin C anemia and high blood pressure
  4.  Vitamin D soft deformed bones
  5.  Vitamin K poor night vision


(vii) Which of the following is formed immediately after fertilization?

  1.  Placenta
  2.  An embryo
  3.  A foetus
  4.  Amniotic fluid
  5.  A zygote


(viii) The human ovary secretes hormones known as:

  1.  Oestrogen and testosterone
  2.  Progesterone and testosterone
  3.  Oestrogen and lactogen
  4.  Oestrogen and progesterone
  5.  Follicle stimulating hormone and progesterone


(ix) The offspring of crosses between red flowered and white flowered plants were always found to be pink. This is an example of:

  1.  Crossing over
  2.  Mutation
  3.  Co-dominance
  4.  Incomplete dominance
  5.  Natural selection


(x) At early stages of development of the human zygote which organ develops first?

  1.  Liver
  2.  Heart
  3.  Kidney
  4.  Eyes
  5.  Notochord


FORM FOUR BIOLOGY MULTIPLE CHOICE 2010

(i)            Which of the following is common to both plants and animals?

  1. Respiration
  2.  Digestion
  3.  An excretory system
  4.  Chloroplasts
  5.  Starch grains


(ii)          A flower which possesses both stamens and carpels is said to be

  1.  Unisexual
  2.  Hermaphrodite
  3.  Monoecious
  4.   Zygomorphic
  5. Polymorphic


(iii)        Useful substances are retained in the kidney by

  1.  Filtration
  2.  Osmosis
  3.  Selective reabsorption
  4. Osmo-regulation
  5.   Diffusion


(iv)        The Monera are also referred to as Prokaryotes. This means having:

  1. No nucleus
  2.  Membrane bounded organelles
  3.     Simple structures
  4.  Reduced nucleus
  5.  Circular nucleus


(v)          Which of the following is a characteristic of wind-pollinated flowers?

  1.  They have large brightly coloured petals
  2.  They produce a small number of pollen grains
  3.  They have small anthers situated inside the flowers
  4.   They do not have nectarines
  5.   They have large, sticky or spiky pollen grains


(vi)        Food is moved along the oesophagus by a process known as:

  1.    Assimilation
  2.  Chewing
  3.  Egestion
  4.  Peristalsis 
  5.  Churning


(vii)       Reptiles differ from birds because:

  1.  Reptiles do not lay eggs while birds do
  2.  Reptiles have a backbone while birds do not
  3.  Reptiles have scales while birds do not
  4.  Reptiles are cold blooded while birds are warm blooded
  5.  Reptiles have moist skin while birds have dry skin


(viii)     Removal of predators in the ecosystem will result in:

  1.   Decrease in the number of producers
  2.   Increase in the number of producers
  3.   Decrease in the number of prey
  4.   An increase in the number of decomposers
  5. No significant change


(ix)        A bean plant can either bear terminal or axial flowers. When a terminal flowered plant (T) is pollinated with an axial flowered plant (t), the offspring produced were 200 terminal flowered and 210 axial flowered. Which of the following represents the genotypes of the parents?

  1.   TT x Tt
  2.  Tt x Tt
  3.  TT x tt
  4. Tt x tt
  5.  T x t


(x)          What does selective breeding mean?

  1.     Only pure stock should be inbred
  2.  The parents are chosen to produce desired offspring
  3.  The encouragement of out breeding
  4.  The parents are chosen carefully
  5.   The offspring are like parents


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