2014 WAEC Biology past questions and answers

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1
The excretory product in protozoans is

A amino acid

B uric acid

C ammonia

D urea



Correct Option: C


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2
Which of the following is a living organism?

A Muscle

B Nucleus

C Yeast

D Mitochondrion



Correct Option: C


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3
Which of the following organisms is the most specialized ?

A paramecium

B Amoeba

C Spirogyra

D Rhizopus



Correct Option: D


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4
Active transport can be defined as the movement of

A substances from a region of high concentration to a region of low concentration

B substances from a region of low concentration to a region of high concentration across a living cell membrane

C substances across a living cell membrane using energy from the cell

D movement of molecules in a medium



Correct Option: B


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5
Which of the following cell inclusions can destroy other cell organelles?

A Centriole

B Ribosome

C Lysosome

D Mitochondrion



Correct Option: C


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6
In which of the following yam tissues will osmosis occur?

A Boiled and peeled

B Raw and peeled

C Boiled and unpeeled

D Roasted and peeled



Correct Option: B


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7
The following events occur during mitosis in a cell:
I. Chromatids separate;
II. Chromosomes become visible;
III. Chromosomes align at the equator
IV. Cytoplasm divides (Cytokinesis):
The correct sequence of the events is

A lll, ll,lV,l.

B ll, lll, l,lV

C ll, l, lll, lV

D II, IV, I, III.



Correct Option: B


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8
Which of the following statements about asexual reproduction is correct? It

A always involves one parent but the offspring is genetically different from the parent.

B may involve two parents but the offspring is always identical to one parent

C always involves one parent and the offspring is genetically identical to the parent

D involves two parents but the offspring is not genetically identical to any of the parents



Correct Option: C


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9
Which of the following processes is not a function of the mammalian skin?

A Regulation of body temperature

B Reception of external stimuli

C Excretion

D Gaseous exchange



Correct Option: D


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10
The legs of an accident victim with a fractured vertebral column and injured spinal cord could not be raised because

A impulses fromreceptors in the legs cannot travel to the brain

B impulses from the brain cannot travel to the legs

C chemical substances will be released at synapses in the central nervous system

D reflexx actions cannot take place in the legs



Correct Option: A


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