2015 - JAMB Biology Past Questions and Answers - page 3

21
The following group of plants is the most advanced except
A
bryophyte
B
pteridophyta
C
spermatophyte
D
thallophytic
correct option: d
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22
Which of the following hormonal glands is located on top of the kidney?
A
Adrenal
B
gonads
C
pancreas
D
thyroid
correct option: a
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23
One of these is present in both plant and animal cell?
A
Cell membrane
B
Cell wall
C
Chloroplast
D
Large cell vacuole
correct option: a
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24
When the solute concentration of the cell and its surrounding medium are the same, the solution is said to be
A
hypertonic
B
hypotonic
C
isotonic
D
acidic
correct option: c
Option C is correct. This is because, any time there is the same solute concentration of both cell and its surrounding medium, the solution is said to be isotonic. So, there will be no losing or gaining of water into the cell or the surrounding medium.
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25
The primary consumer in the food chain below is ................

Green plants → Grasshopper → Lizard → Snake → Hawk
A
Grass hopper
B
green plants
C
hawk
D
lizard
correct option: a
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26
Angiosperms belong to the class
A
bryophyte
B
pteredophyta
C
spermatophyte
D
thallophytic
correct option: c
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27
In the kidney, both useful substances and wastes are removed from the blood by
A
Filtration
B
selective absorption
C
dialysis machine
D
excretion
correct option: a
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28
Which of the following is not part of the mammalian male reproductive organ?
A
Epididymis
B
Vas deferens
C
testis
D
Vulva
correct option: d
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29
Which of the following reagent is used for testing the presence of protein in food?
A
Benedict solution
B
Fetiling’s Solution
C
Millon’s reagent
D
Sudan III
correct option: c
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30
The breaking down of food in the alimentary canal is called
A
digestion
B
egestion
C
excretion
D
ingestion
correct option: a
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