JAMB SUSPECTED PAST QUESTION ON BIOLOGY

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JAMB SUSPECTED PAST QUESTION ON BIOLOGY

PAST QUESTION ON BIOLOGY

1. Fishes are cold-blooded because their body

temperature is

A. constantly low B. constantly high

C. dependent on that of their surroundings

D. regulated at willBiology 1986

2.. When the original king and queen of termites die,

they are replaced by

A. the king and queen of another colony

B. some adult reproductivefrom the same colony

C. some adult workers which are specially fed to breed.

D. Developing nymphs nurtured as secondaryreproductive.

3. The Male cockroach differs from the female by having

A. mandibles B. a pair of styles C. spiracles

D. a pair of cerci.

3.The fins making up the limbs of the bony fish are

A. caudal and ventral B. ventral and pelvic

C. pelvic and pectoral D. pectoral and dorsal.

4. The stem differs from the root in having the xylem

and phloem strands

A. on the same radii B. scattered C. on alternate radii

D. towards the pith.

5. Oxygen liberated during photosynthesis has been

demonstrated to come from

  1. carbon dioxide B. air C. water D. chlorophyll.

6. Which of these is a trace element?

A. Iron B. Copper C. Calcium D. Sulphur.

7. The main organic substances found in the human

body are

A. carbohydrates, proteins and salts B. salts,

fats and proteins C. fats, carbohydrates and

proteins D. salts, fats and carbohydrates.

8. Which of the following elements is essential for

the formation of haemoglobin?

  1. Sodium B. Potassium C. Calcium D. Iron.

9. The severe deficiency of vitamin C leads to

A. kwashiorkor B. beriberi C. pellagra D. scurvy

10. In addition to the high calories derived from fats

and oils, they are

A. used in producing new cells B. necessary for enzyme

formation C. used as insulators from cold

D. required for growth

11  The extract from a food substance reacting with

sodium hydroxide and copper sulphate solutions

will produce violet to purple coloration if

A. fats are present B. carbohydrate is present

C. protein is present D. reducing sugar is present.

12. The three important organs that are situated close

to the stomach are

A. kidney, liver and gall bladder B. pancreas, liver and

kidney C. liver, kidney and spleen D. gall bladder,

pancreas and spleen.

13. Evidence that a tooth is a living part of the

mammalian body can be found within the

  1. gum B. pulp cavity C. cement D. enamel.

14. Blood circulation in a mammal is said to be double

because

A. it passes twice through the heart in the complete

circuit B. it moves in both arteries and veins

C. it circulates in both the heart and other organs

D. the heart contains auricles and ventricles

15. Which is the correct order of water loss from the

leaf? 1Mesophyll 2Veins3Substomatal cavity4 Stomata

A. 3 2 1 4 B. 2 3 1 4

C. 2 1 3 4 D. 1 2 3 4.

16. The aperture between the left auricle and the left

ventricle is guarded by the

A. auricular valve B. tricuspid valve

C. ventricular valve D. bicuspid valve.

17. A major limitation in the use of the potometer for

measuring the rate of transpiration is that

A. it is made of breakable glass material

B. it measures therate of water intake

C. it measures the rate of water loss through the stem

only D. the movementof the air bubble in the

potometer cannot be timed accurately.

18. Which of the following statements is not correct

with respect to inhalation in mammals?

A. intercostal muscles contract B. diaphragms raised

C. ribs are raised D. pressure of the thoracic cavity

decreases.

19. The equation that can be used to summarize the

process of anaerobic breakdown of sugar is

A. C6H12O6+2C2H5OH+ 2CO2

B. 6CO2 + 6H2O’! C6H12O6+ 6O2

C. C6H12O6 + 6O2 ’! 6CO2 + 6H2O+ energy

D. C6H12O6 ’! 2C2H5OH+ 2CO2 + energy.

20. If a person is bitten by a snake on the leg, it is

advisable for the person

A. keep moving so that the venom will ooze out with

bleeding B. wash the wound with water containing

antiseptic C. bandage the wound so that germs do

not get in through it D. keep still and apply a

tourniquet above the wound.

21. Deamination occurs in the

A. kidney B. pancreas C. spleen D. liver.

22. In the mammalian skin, melanin and keratin are

contained in the

A. sebaceous gland B. sweat gland

C. subcutaneous layer D. Malpighi an layer.

23. Two main distinguishing features of the cervical

vertebra are the presence of

A. short neural spine and vertebraterial canal

B. prezygapophysis and cervical ribs

C. large centrum and cervical ribs

D. vertebraterial canal and large centrum

24.. Nastic movement is

A. response to light stimulus B. non-directional

C. directional D. response to internal stimulus

25. In which of the following does external fertilization

take place?

  1. Toad B.LizardC.BirdD.Cockroach.

26.In the tapeworm, the suckers on the scolex are

used for

A. sucking the blood of the host B. holding

 fast to the host C. reproduction D. Locomotion

27. A feature which adapts birds to flight is the

possession of

A. scally legs B. light bones C. two walking legs

D. a pointed beak.

28. The nephridia in the earthworm form part of the

A. reproductive system B. respiratory system.

C circulatory system D. excretory system.

29. Which of the following diseases is rarely spread

by a housefly?

A. Yellow fever B. Dysentery C. Typhoid fever

D. Poliomyelitis

30. Which of the following cellsis thin-walled and

living at maturity?

A. Collenchyma B. Sieve tube C. Xylem vessel

D. Sclerenchyma.

to check other past question on biology please go to the past question page!

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