Exercise: Biology

Questions for: Biology

Pulses are a good source of
A:
carbohydrates
B:
fats
C:
proteins
D:
vitamins
Answer: C
No answer description is available. Let's discuss.
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One of the following is most suitable for study of mutations
A:
Haploids
B:
Diploids
C:
Tetraploids
D:
Polyploid
Answer: A
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Plants are killed in winter by frost
A:
because of desiccation and mechanical damage to the tissues
B:
because no photosynthesis takes place at such low temperature
C:
because respiration ceases at such low temperature
D:
because there is no transpiration
Answer: A
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Number of chromosomes in Down's syndrome is
A:
46
B:
47
C:
48
D:
49
Answer: B
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Rain water helps to increase the ____ to some extent.
A:
phosphorous contents
B:
nitrogen contents
C:
calcium contents
D:
potash contents
Answer: C
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