Q. No.The population distribution pattern that will be seen in territoriality is:
1. random
2. uniform
3. clumped
4. None of the above. Territoriality isn't important in determining distribution patterns.
1. random
2. uniform
3. clumped
4. None of the above. Territoriality isn't important in determining distribution patterns.
If an organism has type III survivorship curve, the mortality rate of the population will be:
1. fairly constant throughout life
2. higher in post-reproductive years
3. lower after the organisms become established
4. unrelated to age
Morphological defense is the most common defense in plants against herbivory. An example of such a defense would be:
1. Beltian bodies
2. mustard oils
3. epiphytes
4. silica
The biome characterized by a mean annual temperature between 5C and 22C and mean annual precipitation between 5 cm and 50 cm is:
1. Desert
2. Arctic and alpine tundra
3. Temperate forest
4. Grassland
Temperature is significant for living organisms as it primarily affects:
| 1. | Body size | 2. | Fertility |
| 3. | Enzyme kinetics | 4. | Muscular contraction |
Many freshwater animals cannot live for long in sea water and vice versa because of:
1. Buoyancy related problems
2. Lack of impermeable skins
3. Thermolabile enzymes
4. Osmotic considerations
Evolutionary biologists believe that “success” of mammals is largely due to their ability to:
1. Produce a large number of progeny
2. Live for a longer life span
3. Maintain a constant body temperature
4. Nurture young ones for longer periods
While heat gain or heat loss is the function of ________, heat production is the function of _______ of the body of an animal.
1. Volume; Surface area
2. Surface area; Volume
3. Volume; Volume
4. Surface area; Surface area
Kangaroo rat is capable of meeting all its water requirements through:
1. Storing water when available
2. Dry seeds and foliage
3. Metabolic water
4. Burrowing deep to get water
| Assertion (A): | Temperature is most important ecologically relevant environmental factor. |
| Reason (R): | Temperature affects the kinetics of the enzymes. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
- If both the assertion and the reason are true and the reason is a correct explanation of the assertion
- If both the assertion and reason are true but the reason is not a correct explanation of the assertion
- If the assertion is true but the reason is false
- If both the assertion and reason are false
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