Biology 2012 | Study Mode

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Question 31
A
person of blood group AB can donate blood only to another person of blood group AB
B
persons of blood groups A and B can donate or receive blood from each other
C
A person of blood group AB acn receive blood only from persons of blood group A or B
D
A person of blood group O can donate only to a person of blood group O
Explanation

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Correct option: A
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Question 32
A
non-heritable
B
sex-linked
C
a recessive trait
D
a dominant trait
Explanation

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Correct option: D
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Question 33
A
25%
B
50%
C
75%
D
100%
Explanation

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Correct option: B
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Question 34
A
adenine thymine and guanine cytosine
B
adenine guanine and thymine cytosine
C
adenine cytosine and guanine thymine
D
adenine adenine and cytosine cytosine
Explanation

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Correct option: A
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Question 35
A
crushing seeds
B
sucking nectar
C
tearing flash
D
straining mud
Explanation

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Correct option: A
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Question 36
A
change the colour of their body
B
raise their body temperature to become active
C
fight to defend their territories
D
attract the female for courtship
Explanation

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Correct option: B
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Question 37
A
provide birds with plenty of food
B
ensure their perpetuation despite predatory pressure
C
search for a favourable place to breed
D
ensure that every individual gets a mate
Explanation

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Correct option: B
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Question 38
A
Darwin's theory
B
Lamarek's theory
C
genetic drift
D
gene flow
Explanation

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Correct option: B
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Question 39
A
comparative anatomy
B
comparative physiology
C
fossil remains
D
comparative embryology
Explanation

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Correct option: B
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Question 40
A
l
B
ll
C
lll
D
IV
Explanation

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Correct option: B

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