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Which of the options given above is/are correct?
Anonymous Quiz
22%
a) 1 and 3
28%
b) 1 and 2
26%
c) 2 and 3
24%
d) 1,2 and 3
Q.3. Consider the following statements with respect to Adaptations :

1. A special photosynthetic pathway (CAM) is a feature of many desert plants.

2. In desert plants, stomata arranged in deep pits to minimise water loss through transpiration.

3. Desert plants have broad leaves with large surface area.
Which of the above is correct ?
Anonymous Quiz
11%
A. 1 and 3
57%
B. 1 and 2
16%
C. 2 and 3
17%
D. 1,2 and 3
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Q.1. Which of the following processes occur during photosynthesis ?

1. Absorption of light energy by
chlorophyll.

2. Conversion of light energy to
chemical energy.

3. Splitting of water molecules into
hydrogen and oxygen.

4. Reduction of carbon dioxide to
carbohydrates.
Q.2. With reference to ecology, which among the following correctly describes the Allen's rule ?

a) It states that mammals from colder climates generally have shorter ears and limbs to minimize heat loss.

b) It states that the growth and productivity of a plant is always limited by availability of a critical nutrient

c) It states that if two species have completely overlapping niches they cannot continue to coexist.

d) None of the above.
Choose the correct option :
Anonymous Quiz
44%
A
25%
B
25%
C
6%
D
Q.3. Consider the following statements :

1. Quiescence is a temporary and reversible state of dormancy in response to direct environmental conditions, adverse.

2. Obligate diapause is a genetically programmed dormancy that occurs at a specific stage in an insect's life cycle, regardless of external conditions.

3. The Flightless Antarctic midge undergoes only quiescence to survive the extreme Antarctic environment.
Which of the statements given above is/are correct ?
Anonymous Quiz
26%
a) 1 and 2 only
37%
b) 1 and 3 only
20%
c) 2 and 3 only
18%
d) 1, 2 and 3
Pause.
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Q.1. Which of the following statement defines Dark Oxygen ?

a) Oxygen produced by anaerobic
respiration in plants during night time.

b) Oxygen generated by photosynthetic organisms living in deep oceans.

c) Oxygen formed through non-
photosynthetic processes such as
radiolysis or microbial reactions in
the absence of sunlight.

d) Oxygen stored in fossil fuels,
released during combustion.
Choose the correct option :
Anonymous Quiz
11%
A
30%
B
48%
C
12%
D
Q.2. Consider the following statements regarding Guchhi mushrooms :

1. They are typically found in association with coniferous forests in the Western Himalayan region.

2. They are cultivated commercially in states like Himachal Pradesh and Uttarakhand.
Which of the above statements is/are correct ?
Anonymous Quiz
19%
a) 1 only
17%
b) 2 only
60%
c) Both 1 and 2
4%
d) Neither 1 nor 2
Q.3.Consider the following statements regarding decomposition :

1. Decomposition is an oxygen-requiring process.

2. Decomposition rate is faster if detritus is rich in lignin and chitin.

3. Warm and moist environment favors decomposition.
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Q.1. Consider the following statements regarding the Wallace Line :

1. The Wallace Line is a
biogeographical boundary that
separates the ecozones of Asia and
Africa.

2. It is a deep ocean trench.

3. It is between the islands of Borneo and Sulawesi has acted as a natural barrier for the migration of species
across the Wallace Line.
Which of the above statements is/are correct ?
Anonymous Quiz
12%
a) 1 and 2 only
38%
b) 1 and 3 only
39%
c) 2 and 3 only
11%
d) 1, 2 and 3