Free Printable JAMB BIOLOGY

1.

1. The function of the red head in male Agama lizards is to

a)

a. conceal and camouflage the animal from predators

b)

b. scare other males from the territory

c)

c. attract female lizards for mating purposes

d)

d. warn predators of the distastefulness of the animal

2.

2. Which of the following characterizes a mature plant cell?

a)

a. The cytoplasm fills up the entire cell space

b)

b. The nucleus is pushed to the centre of the cell

c)

c. The cell wall is made up of cellulose

d)

d. The nucleus is small and irregular in shape

3.

3. Which of the following is NOT a function of the nucleus of a cell?

a)

a. It controls the life processes of the cell

b)

b. It translates genertic information for the manufacture of proteins

c)

c. It stores and carries hereditary information

d)

d. It is a reservoir of energy for the cell

4.

4. The dominant phase in the life cycle of a fern is the

a)

a. gametophyte

b)

b. prothallus

c)

c. sporophyte

d)

d. antheridium

5.

5. Parental care is exhibited by

a)

a. toads

b)

b. snails

c)

c. earthworms

d)

d. birds

6.

6. With respect to their decreasing dependence on aquatic conditions for reproduction, which of the following is the correct arrangement of the animals represented?

a)

a. I, IV, II and III

b)

b. IV, III II and I

c)

c. I, II, IV and III

d)

d. III, II, IV and I

7.

7. Which of the animals represents the oldest creatures in terms of evolutionary history?

a)

a. III

b)

b. II

c)

c. I

d)

d. IV

8.

8. Which of the following groups of cells is devoid of true nuclei?

a)

a. Viruses

b)

b. Algae

c)

c. Monera

d)

d. Fungi

9.

9. The main function of the feathers covering the part labeled I is to

a)

a. prevent ectoparasites from attacking the animal

b)

b. generate heat to keep the animal warm

c)

c. provide some power for flight

d)

d. serve as insulator to maintain body heat

10.

10. Based on the shape and structure of the beak and feet the bird represented is likely to feed mainly on

a)

a. flesh

b)

b. fruits

c)

c. seeds

d)

d. nectar

11.

11. Which of the following is true of the transverse section of a dicot stem?

a)

a. The epidermis is completely encircled by the cortex

b)

b. The xylem is more interiorly located than the phioem

c)

c. The cambium lies between the cortex and the vascular bundles

d)

d. The vascular bundles are randomly scattered within the cortex

12.

12. The movement of material in the xylem and phloem tissues of the plant are represented by the arrow labeled

a)

a. III and IV respectively

b)

b. II and I respectively

c)

c. I and II respectively

d)

d. IV and III respectively

13.

13. During photosynthesis, the arrow labeled II represents the

a)

a. escape of mineral salts

b)

b. absorption of energy from the sun

c)

c. release of carbon (IV) oxide

d)

d. release of oxygen as a by - product

14.

14. Which of the following is lacking in the diet of a person with kwashiorkor?

a)

a. Vitamins

b)

b. Proteins

c)

c. Carbohydrates

d)

d. Minerals

15.

15. The mode of nutrition of sundew and bladderwort can be described as

a)

a. autotrophic

b)

b. saprophytic

c)

c. holozoic

d)

d. chemsynthetic

16.

16. When a mixture of a food substance and Benedict’s solution was warmed, the solution changed from blue to brick-red. This indicates the presence of

a)

a. reducing sugar

b)

b. fatty acid

c)

c. sucrose

d)

d. amino acid

17.

17. The primary structure responsible for pumping blood for circulation through the mammalian circulatory systems is the

a)

a. veins

b)

b. right auricle

c)

c. arteries

d)

d. left ventricle

18.

18. Circulation of blood to all parts of the body except the lungs is through

a)

a. the pulmonary artery

b)

b. systemic circulation

c)

c. the lymphatic system

d)

d. pulmonary circulation

19.

19. Yeast respires anaerobically to convert simple sugar to carbon (IV) oxide and

a)

a. alcohol

b)

b. acid

c)

c. oxygen

d)

d. water

20.

20. The sheet of muscle that separates the thoracic and the abdominal cavities is the

a)

a. diaphragm

b)

b. intercostals muscle

c)

c. pleura membrane

d)

d. pericardium

21.

21. The only substance that lubricates the mammalian hair to keep it flexible and water repellent is secreted by the

a)

a. sweat glands

b)

b. sebaceous glands

c)

c. fatty cells

d)

d. granular layer

22.

22. The outer layer of the kidney where the Bowman’s capsules are found is the

a)

a. cortex

b)

b. pelvis

c)

c. medulla

d)

d. pyramid

23.

23. Which of the following stimuli is likely to elicit a nastic response in an organism?

a)

a. Touch

b)

b. Light intensity

c)

c. Chemical substance

d)

d. Gravity

24.

24. In the male reproductive system of a mammal, sperm is stored in the

a)

a. van deferens

b)

b. urethra

c)

c. epididymis

d)

d. seminiferous tubules

25.

25. Chemosynthetic organisms are capable of manaufacturing their food from simple inorganic substances through the process of

a)

a. oxidation

b)

b. defitrifiction

c)

c. reduction

d)

d. phosphorylation

26.

26. The part of the human gut that has an acidic content is the

a)

a. stomach

b)

b. duodenum

c)

c. ileum

d)

d. colon

27.

27. Which of the above structures is correctly matched with the organisms in which it is found?

a)

A. III

b)

B. II

c)

C. I

d)

D. IV

28.

28. A food chain always begins with a

a)

a. consumer

b)

b. decomposer

c)

c. producer

d)

d. primary consumer

29.

29. Mycorrhizae promote plant growth by

a)

a. absorbing inorganic ions from the soil

b)

b. protecting it from infection

c)

c. helping it to utilize atmospheric nitrogen

d)

d. serving as a growth regulator

30.

30. The barrier between maternal and foetal blood is the

a)

a. placenta

b)

b. liver

c)

c. umbilical chord

d)

d. uterine wall

31.

31. The blood component that has the greatest affinity for oxygen is the

a)

a. lymphocytes

b)

b. leucocytes

c)

c. erythrocytes

d)

d. thrombocytes

32.

32. Which of the following organisms is mainly found in the marine habitat?

a)

a. Achatina

b)

b. Tilapia

c)

c. Dog fish

d)

d. Tortoise

33.

33. The two halves of the pelvic girdle are joined together at the

a)

a. public symphysis

b)

b. illum

c)

c. pubis

d)

d. obturator foramen

34.

34. Which of the above are ways in which desert animals adapt to extreme heat of the environment?

a)

A. I and IV only

b)

B. II and III only

c)

C. I and II only

d)

D. I, II and III only

35.

35. Low annual rainfall, sparse vegetation high diumal characteristic features of the temperatures and cold nights are

a)

A. tropical rainforest

b)

B. desert

c)

C. montane forest

d)

D. guinea savanna

36.

36. The average number of individuals of a species per unit area of the habitat is the

a)

A. population density

b)

B. population frequency

c)

C. population size

d)

D. population distribution

37.

37. The activity of an organism which affects the survival of another organism in the same habitat constitutes.

a)

A. an edaphic factor

b)

B. an abiotic factor

c)

C. a biotic factor

d)

D. a physiographic factor

38.

38. The loss of soil through erosion can be reduced by

a)

A. watering

b)

B. crop rotation

c)

C. manuring

d)

D. irrigation

39.

39. The vector for yellow fever is

a)

A. Aedes mosquito

b)

B. Anopheles mosquito

c)

C. tsetse fly

d)

D. blackfly

40.

40. The protozoan Plasmodium falciparum is transmitted by

a)

A. female Anopheles mosquitoes

b)

B. female Aedes mosquitoes

c)

C. female Culex mosquitoes

d)

D. female blackfly

41.

41. A dilute solution of phenylthiocarbamide taste bitter to some people and is tasteless to others. This is an example of

a)

A. taste bud variation

b)

B. discontinuous variation

c)

C. morphological variation

d)

D. continuous variation

42.

42. In which plantation are all the trees between the height of 3 – 4m?

a)

A. III

b)

B. II

c)

C. I

d)

D. IV

43.

43. Which of the following is a true feature of plantation II?

a)

A. It has the highest number of trees of about 2m high

b)

B. It has the highest number of trees

c)

C. It has the highest number of tall trees

d)

D. The height of all its trees range between 2m and 6m

44.

44. Thyroxine and adrenalin are examples of hormones which control

a)

A. blood grouping

b)

B. tongue rolling

c)

C. behavioural patterns

d)

D. colour variation

45.

45. A pair of genes that control a trait is referred to as

a)

A. an allele

b)

B. recessive

c)

C. dominant

d)

D. a hybrid

46.

46. The chromosome number of a cell before and after the process of meiosis is conventionally represented as

a)

A. 2n -> 2n

b)

B. n -> n

c)

C. n -> 2n

d)

D. 2n -> n

47.

47. If both parents are heterozygous for a trait, the probability that an offspring will be recessive for that trait is

a)

A. ¾

b)

B. ½

c)

C. ¼

d)

D. 1

48.

48. At what stage in the life history of a mammal is the sex of an individual set?

a)

A. At adolescence

b)

B. At puberty

c)

C. At birth

d)

D. At conception

49.

49. The main distinguishing features between the soldier termite and other members of the caste are the

a)

A. presence of wings, possession of a small head and large thorax

b)

B. presence of wings, possession of a large thorax and a small head

c)

C. absence of wings, possession of strong mandibles and a large head

d)

D. absence of wings, possession of big head and the absence of mandible

50.

50. The flippers of a whale and the fins of a fish are examples of

a)

A. divergent evolution

b)

B. coevolution

c)

C. continuous variation

d)

D. convergent evolution

JAMB BIOLOGY

Total questions: 50

Worksheet time: 38mins

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