General Knowledge

Biology - Section 1

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Biology - Section 1

Practice and master this topic with our carefully crafted questions.

10 Questions
15 Minutes
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Question 11
Normal adult human male has

 

A
10 gram of haemoglobin/100 gram of blood
B
14 gram of haemoglobin/100 gram of blood
C
18 gram of haemoglobin/100 gram of blood
D
24 gram of haemoglobin/100 gram of blood
Correct Answer: Option B

No answer description available for this question.

Question 12
Plants wilt due to excess of

A
transpiration
B
photosynthesis
C
absorption
D
None of these
Correct Answer: Option A

No answer description available for this question.

Question 13
O2 released in the process of photosynthesis comes from

A
CO2
B
water
C
sugar
D
pyruvic acid
Correct Answer: Option B

No answer description available for this question.

Question 14
Placenta is the structure formed

A
by the union of foetal and uterine tissue
B
by foetus only
C
by fusion of germ layers
D
None of these
Correct Answer: Option A

No answer description available for this question.

Question 15
Plants hormone that induces cell division is

A
auxins
B
gibberellins
C
kinins
D
domins
Correct Answer: Option C

No answer description available for this question.

Question 16
Neurospora is used as genetic material because

A
it has short life cycle of 10 days
B
the product of single meiosis can be easily analysed
C
meiotic products are linearly arranged in the form of ordered tetrads
D
is a diploid fungus
Correct Answer: Option A

No answer description available for this question

Question 17
Phloem is a tissue found in

A
reproductive organs of animals
B
plants
C
insects
D
mammals
Correct Answer: Option B

No answer description available for this question

Question 18
N2 content is kept constant in the biosphere due to

A
N2 fixation
B
industrial pollution
C
nitrogen cycle
D
absorption of N2
Correct Answer: Option C

No answer description available for this question.

Question 19
Plants absorb most part of water needed by them through their

A
embryonic zone
B
growing point
C
root hairs
D
zone of elongation
Correct Answer: Option C

No answer description available for this question.

Question 20
Photo-oxidation is

A
photorespiration
B
photolysis
C
light and oxygen induced breakdown
D
All of the above
Correct Answer: Option D

No answer description available for this question.

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