2012 WAEC Biology past questions and answers

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1
The science of life is referred to as

A anatomy

B biology

C ecology

D phylogeny



Correct Option: B


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2
The epidermis of a leaf is considered an example of a tissue because the cells

A allow sunlight to pass through.

B are covered by a waxy cuticle

C all possess a similar structure and function

D allow water to enter them by osmosis



Correct Option: C


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3
The organism at the organ level of organisation of life is

A Euglena

B Spirogyra

C Ginger

D Tapeworm



Correct Option: C


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4
The disadvantage of complexity of organisation in the higher organisms is that it leads to

A mutual interdependence between component cells

B internal structural specialization

C increased adaptation to environment

D slower rate of diffusion of oxygen to individual cells



Correct Option: D


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5
In which of the following multicellular organisms is-interdependence of cells maintained?

A Spirogyra

B Volvox

C Eudorina

D Pandorina



Correct Option: B


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6
Which of the following processes occurs in the second phase of meiosis?

A Homologous chromosomes separate

B Two daughtercells are formed

C Fertilization occurs

D Segregation of genes occurs



Correct Option: A


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7
The muscle cell fluid of an athlete was tested immediately after a 1 O m race and was found to contain a high
concentration of lactic acid. Explain what could have caused this. The

A athlete must have eaten food containing lactic acid just before the race

B Athlete must have injected lactic acid into his blood just before the race

C athletes muscle must have carried out anaerobic respiration during the race

D athlete must have inhaled lactic acid from the environment during the race



Correct Option: C


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8
The graph above represents the growth pattern of an animal. Which of the following groups of animals shows this
pattern of growth?

A Cestoda

B Reptilia

C Amphibia

D Insecta



Correct Option: D


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9
The pulmonary circulation involves movement of the blood to and from the

A brain

B Kidney

C Liver

D lungs



Correct Option: D


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10
Which of the individual is likely to be suffering from haemophilia?

A I

B II

C III

D IV



Correct Option: D


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