2016 - JAMB Biology Past Questions & Answers - page 1

1
Which of the following conditions is NOT necessary for photosynthesis to take place?
A
ChlorophyII
B
Light
C
Carbon(II)oxide
D
Carbon(IV)oxide
CORRECT OPTION: c
2
The insects in which the maxillae are modified into a long coiled proboscis is
A
housefly
B
butterfly
C
mosquito
D
grasshopper
CORRECT OPTION: b
3
When a cell is placed in solution and the size of the cell increases, the concentration of solution is said to be
A
isotonic
B
dilute
C
hypotonic
D
hypertonic
CORRECT OPTION: c
4
Which of the following plant hormone is responsible for ripening of fruits?
A
Gibberellins
B
Abscisic acid
C
Ethylene
D
Cytokinins
CORRECT OPTION: c
5
The ability of a living organism to detect and respond to changes in the environment is referred to as
A
locomotion
B
taxis
C
irritability
D
growth
CORRECT OPTION: c
6
An example of an endospermous seed is
A
been seed
B
cashew nut
C
cotton seed
D
maize grain
CORRECT OPTION: d
7
Which of the following theories was NOT considered by Darwin in his evolutionary theory?
A
variation
B
survival of the fitest
C
use and disuse
D
competition
CORRECT OPTION: c
8
Which of the following protects the essential parts of the flower at bud stage?
A
Stamens
B
Sepals
C
Petals
D
Carpels
CORRECT OPTION: b
9
which of the following is an agent of a sexually transmitted disease?
A
Entamoeba histolytica
B
Salmonella typhi
C
Treponema pallidum
D
Clostridium tetani
CORRECT OPTION: c
10
Which of the following animals has homodont dentition?
A
Rat
B
Man
C
Lizard
D
Pigeon
CORRECT OPTION: c
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