2006 WAEC Biology past questions and answers

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1
The following life processes are common to both
plants and animals except

A respiration

B growth

C reproduction

D photosynthesis



Correct Option: D


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2
Which of these organelles is common to both plant
and animal cells?

A Chloroplast

B Centriole

C Mitochondrion

D Pyrenoid



Correct Option: C


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3
The epidermis of the mammalian skin is an example
of a tissue because the cells

A prevent light from passing through them

B have a similar structure and function

C prevent excessive loss of water

D are impregnated with keratin



Correct Option: B


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4
Which of the following statements is correct about
organs?

A They are composed of specialized cells

B They perform a certain overall function

C They are not found in plants

D Unicellular animals have few organs



Correct Option: B


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5
The structure used for movement in Amoeba is

A cilia

B pseudopodia

C flagella

D endoplasm



Correct Option: B


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6
Which of the following parts of a cell is not an organelle?

A Food vacuole

B Mitochondrion

C Cell wall

D Nucleus



Correct Option: A


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7
The folded portion of mitochondrion is called

A cristae

B cell membrane

C nucleolus

D partition



Correct Option: A


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8
The physical process which occurs when a red blood
cell is placed in distilled water causing it to burst and
break down is known as

A crenation

B plasmolysis

C turgidity

D haemolysis



Correct Option: D


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9
During the process of osmosis a semi-permeable
membrane allows

A only solute molecules to pass through it

B both solute and solvent molecules to pass through it

C only solvent molecules to pass through it

D only gaseous molecules to pass through it



Correct Option: C


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10
Which of the following environmental conditions is ideal
for plant cells to remain turgid?

A Hot, dry weather

B Windy weather

C Cold, dry weather

D Cool, humid weather



Correct Option: D


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