Biology 2013 JAMB Past Questions

Biology 2013 JAMB Past Questions

1. The process in which complex substances are broken down into simpler ones is referred to as

• A. anabolism
• B. catabolism
• C. metabolism
• D. tropism

Correct Answer: Option B

2. The organ which is sensitive to light in Euglena is the

• A. gullet
• B. flagellum
• C. chloroplast
• D. eyespot

Correct Answer: Option D

3. The organelles present in cells that are actively respiring and photosynthesizing are

• A. lysosomes and ribosomes
• B. Golgi apparatus and endoplasmic reticulum
• C. nucleus and centrioles
• D. mitrochondria and chloroplast

Correct Answer: Option D

4. Taenia solium can be found in

• A. cow
• B. goat
• C. dog
• D. pig

Correct Answer: Option D

5. Which of the following describes a characteristic of arthropods?

• A. The organism finds it easy to grow freely
• B. the organism has a pair of jointed appendages
• C. the body is not divided into a number of segments seg
• D. the body is covered by chitin

Correct Answer: Option D

6. Which of the following distinguishes a butterfly from a moth?

• A. the wings of butterfly rest horizontally but those of moth rest vertically
• B. Both are active during the day
• C. they have similar antennae
• D. the abdomen of moth is fatter than that of butterfly

Correct Answer: Option A

7. Which of the following types of feathers is used for flight in birds?

• A. Quill
• B. Filoplume
• C. covert
• D. Down

Correct Answer: Option A

8. The plants that grow in deserts or very dry areas are referred to as

• A. mesophytes
• B. hydrophytes
• C. epiphytes
• D. xerophytes

Correct Answer: Option D

9. Which of the following is the simplest living organism?

• A. Paramecium
• B. Virus
• C. Amoeba
• D. Chlamydomonas

Correct Answer: Option B

Explanation

If viruses, prions, satellites, nanobes, nanobacteria (non-free-living sub-bacterial organisms) are excluded, the simplest free-living organism known is Mycoplasma genitalium, with a genome of only 580,000 base pairs and 482 protein-coding genes.

 

 

10. Proboscis is a structure that is mostly found in

• A. insects
• B. tapeworms
• C. amphibians
• D. molluses

Correct Answer: Option A

11. The structural adaptation of desert plants for water conservation is

• A. broad leaves with numerous stomata
• B. spongy mesophyll
• C. spiny leaves
• D. prominent stomata in leaves

Correct Answer: Option C

12. The long and sharp clawed feet of birds is an adaptation for

• A. crushing seeds
• B. scooping mud
• C. tearing flesh
• D. grasping prey

Correct Answer: Option D

13. During the manufacture of food by plants, which of the following organism use energy from the sun?

• A. anabaena
• B. sulfur bacteria
• C. nitrosomonas sp
• D. nitrobacter sp

Correct Answer: Option A

14. Movement of minerals and chemical compounds with a plant occurs during

• A. osmosis
• B. translocation
• C. transpiration
• D. diffusion

Correct Answer: Option B

15. The enzyme that is present in the saliva is

• A. rennin
• B. lipase
• C. pepsin
• D. ptyalin

Correct Answer: Option D

16. Plants that have special devices for trapping and digesting insects are

• A. carnivorous
• B. symbiotic
• C. parasitic
• D. saprophytic

Correct Answer: Option A

17. The process of transforming the chemical energy of cellular fuels into the high energy bonds of ATP in plants is

• A. autotrophism
• B. photosysnthesis
• C. photolysis
• D. respiration

Correct Answer: Option D

18. Fungi are referred to as hetotrophs because they

• A. are filamentous
• B. lack chlorophyll
• C. have mycelium
• D. lack roots

Correct Answer: Option B

19. An example of a parasitic protozoan is

• A. Paramecium
• B. Plasmodium
• C. Eughlena
• D. Chlamydomonas

Correct Answer: Option B

20. Which blood cell are involved in the immune response of vertebrates?

• A. Phagoecytes
• B. lymphocytes
• C. erythrocytes
• D. monocytes

Correct Answer: Option B

21. The blood circulatory system of vertebrates consists of

• A. heart, arteries, capillaries and veins
• B. heart, aorta, capillaries and veins
• C. heart, aorta, arteries and veins
• D. heart, vena cava, arteries, and veins

Correct Answer: Option A

22. A plant tissue that carries water and mineral salts is the

• A. cambium
• B. xylem
• C. cortex
• D. phloem

Correct Answer: Option B

23. Which of the following helps in the clotting of blood?

• A. Red blood cells
• B. White blood cells
• C. Plasma
• D. Platelets

Correct Answer: Option D

24. The part of the mammalian skin involved in excretion is the

• A. sweat glands
• B. malpighian layer
• C. sebaceous gland
• D. horny layer

Correct Answer: Option A

25. Which of the following forms about 55% of the volume of the blood in man?

• A. leucocytes
• B. platelets
• C. plasma
• D. erythrocytes

Correct Answer: Option C