2008 WAEC Biology past questions and answers

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1
In the binomial system of naming organisms, the second name is called the

A scientific name

B common name

C generic name

D specific name



Correct Option: D


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2
Which of the following features does not necessarily place paramecium as a higher level of organisation over Amoeba?

A Presence of cilia

B Absence of pseudopodia

C Presence of micro and mega nuclei

D Presence of more than one food vacuole



Correct Option: A


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3
The living materials of the cell consist of

A nucleus and cytoplasm

B cytoplasm and vacuole

C cytoplasm and cell membrane

D nucleus and cell membrane



Correct Option: A


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4

A pupil accidentally "watered" a potted plant with concentrated salt solution after sometime the plant began to wilt.


The wilting of the plant is due to the fact that

A the root hair die off and can no longer absorb water

B the salt solution causes faster rate of transpiration leading to the death of the plant cell

C the salt solution has caused water lost from the plant cell leading to loss of turgor

D the plant tissue has been poisoned by the salt which is absorbed by the plant



Correct Option: C


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5
Which of the following activities would revive the plant?

A Covering the plant with dark paper to prevent further water loss from its surfaces

B Leaving the plant to adapt to the condition

C Exposing the plant to higher concentration of oxygen

D Adding more water to the soil



Correct Option: D


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6
Primary growth in plants is brought about by the activity of the

A meristem

B endodermis

C epidermis

D mesophyll



Correct Option: A


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7
To form a ball and socket joint, the structure labeled I fits into another structure in the scapula
called the

A blade

B glenoid cavity

C olecranon fossa

D patella



Correct Option: B


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8
The structure labelled II is called

A deltoid ridge

B trochanter

C shaft

D trochlea



Correct Option: C


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9
Which of the following parts of the skeleton does not have a protective function?

A Ribs

B Carpals

C Skull

D Pelvis



Correct Option: B


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10
Carbon dioxide is carried in the plasma

A in combination with haemoglobin

B in combination with antibodies

C by capillary action

D as bicarbonate ion.



Correct Option: A


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