Biology is the study of life and living things. It can be divided into different areas that look at the structure, function, anatomy, and behavior of organisms.
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Question 1531:

Which of the structure is the molar?
Options:
A) 1
B) 2
C) 3
D) 4
Show Answer
The correct answer is A .
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Question 1532: Enzyme ptyalin acts on starch in the
Options:
A) oesophagus
B) large intestine
C) mouth
D) stomach
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The correct answer is C .
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Question 1533:
Albinism is an expression of trait controlled by
Options:
A) Chromosomes
B) Recessive genes
C) Dominant genes
D) Mutation
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The correct answer is B .
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Question 1534: Physiological adaptation to very dry condition in animals is called
Options:
A) hibernation
B) aestivation
C) rejuvenation
D) xeromorphism
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The correct answer is B .
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Question 1535: The movement response of a cockroach away from a light source is
Options:
A) negative phototropism
B) positive phototaxism
C) negative phototropism
D) postive phototropism
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The correct answer is A .
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Question 1536:
Which of the following animals is cold blooded?
Options:
A) Cat
B) Lizard
C) Whale
D) Bird
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The correct answer is B .
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Question 1537:
The probability of a baby being a boy or a girl depends on the contribution of the
Options:
A) father's sex cells
B) father's stomatic chromosome
C) mother's sex cell
D) mother's X-chromosome
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The correct answer is A .
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Question 1538:
The outer membrane that covers the brain is
Options:
A) Myelin sheath
B) Dura mater
C) Arachnoid membrane
D) Pia mater
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The correct answer is B .
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Question 1539:
People who suck petrol with their mouths run the risk of increasing in their blood the concentration of
Options:
A) iron
B) lead
C) calcium
D) magnesium
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The correct answer is B .
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Question 1540: The most effective method of dealing with non-biodegradable pollutant is by
Options:
A) Dumping
B) Recycling
C) Incineration
D) Burying
Show Answer
The correct answer is B .