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1.
Which of the following conditions is NOT necessary for photosynthesis to take place?
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A.
ChlorophyII
B.
Light
C.
Carbon(II)oxide
D.
Carbon(IV)oxide

2.
The insects in which the maxillae are modified into a long coiled proboscis is
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A.
housefly
B.
butterfly
C.
mosquito
D.
grasshopper

3.
When a cell is placed in solution and the size of the cell increases, the concentration of solution is said to be
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A.
isotonic
B.
dilute
C.
hypotonic
D.
hypertonic

4.
Which of the following plant hormone is responsible for ripening of fruits?
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A.
Gibberellins
B.
Abscisic acid
C.
Ethylene
D.
Cytokinins

5.
The ability of a living organism to detect and respond to changes in the environment is referred to as
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A.
locomotion
B.
taxis
C.
irritability
D.
growth

6.
An example of an endospermous seed is
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A.
been seed
B.
cashew nut
C.
cotton seed
D.
maize grain

7.
Which of the following theories was NOT considered by Darwin in his evolutionary theory?
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A.
variation
B.
survival of the fitest
C.
use and disuse
D.
competition

8.
Which of the following protects the essential parts of the flower at bud stage?
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A.
Stamens
B.
Sepals
C.
Petals
D.
Carpels

9.
which of the following is an agent of a sexually transmitted disease?
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A.
Entamoeba histolytica
B.
Salmonella typhi
C.
Treponema pallidum
D.
Clostridium tetani

10.
Which of the following animals has homodont dentition?
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A.
Rat
B.
Man
C.
Lizard
D.
Pigeon

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