2006 WAEC Biology Past Questions & Answers - page 1

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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

No further explanations yet...

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

A
Chloroplast
B
Centriole
C
Mitochondrion
D
Pyrenoid

Correct Option: C

No further explanations yet...

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

No further explanations yet...

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

No further explanations yet...

5
The structure used for movement in Amoeba is

A
cilia
B
pseudopodia
C
flagella
D
endoplasm

Correct Option: B

No further explanations yet...

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

No further explanations yet...

7
The folded portion of mitochondrion is called

A
cristae
B
cell membrane
C
nucleolus
D
partition

Correct Option: A

No further explanations yet...

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

No further explanations yet...

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

No further explanations yet...

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

No further explanations yet...

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