2013 WAEC Biology past questions and answers

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1
In which of the following levels of classification are the members most similar?

A Order

B Genus

C Species

D Phylum



Correct Option: C


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2
Spirogyra is regarded as a multicellular plant because

A the cylindrical cells are linked end to end

B its cells are linked together by cytoplasmic strands

C its cells are large

D it is an algae containing a large vacuole



Correct Option: B


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3
Which of the following pairs of structures in living organisms do not perform similar functions?

A Lungs and spiracles

B Root hairs and mammalian hairs

C Feathers and scales

D Contractile vacuole and Kidneys



Correct Option: B


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4
Which of the following sequences is the correct arrangement of tissues in the anatomy of a young dicotyledonous stem from the inside to the outside ?

A pith , phloem, cambium, xylem, parenchyma, collenchyma and epidermis

B Xylem, phloem, cambium, cortex, endodermis, collenchyma and epidermis

C Pith,xylem, cmbium,phloem,, collenchyma, parenchyma and epidermis

D phloem, xylem, cambium, cortex, endodermis, collenchyma and epidermis



Correct Option: C


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5
An animal which possesses scales nares and a backbone is likely to be a

A toad

B lizard

C rat

D bat



Correct Option: B


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6
The opening of the guard cells of the epidermis in plants is by the process of

A osmosis

B diffusion

C active transport

D transpiration



Correct Option: A


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7
What happens to a plant if the shoot tip is cut off and replaced by an agar block containing auxin? it will

A stop growing

B grow rapidly

C continue to grow normally

D die completely



Correct Option: B


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8
Anaerobic respiration results in the production of

A more energy than aerobic respiration

B no energy

C an equal amont of energy to aerobic respiration

D less energy than aerobic respiration



Correct Option: D


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9
Which of the following is not a skeletal tissue?

A Plasma

B Chitin

C Cartilage

D Bone



Correct Option: A


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10
Which of the following statements is not correct about the mammalian heart?

A Oxygenated blood enters the left auricle from the pilmonary vein

B the walls of the ventricle are thicker than those of the auricle

C blood passes from of blood into the right ventricle to the left auricle through the aorta

D the tricuspid valve prevents the back flow of blood into the right auricle



Correct Option: C


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