Bears going into hibernation is an example of

1. Escape in time

2. Escape in winter sleep

3. Diapause

4. Migration

Subtopic:  Response of Organisms to Abiotic Factors (OLD NCERT) |
From NCERT
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Under unfavorable conditions…….. lakes and ponds are known to enter……… a stage of suspended development.

1. Zoospore, conform

2. Zoospore, diapause

3. Zooplankton, diapause

4. Zooplankton, conform

Subtopic:  Response of Organisms to Abiotic Factors (OLD NCERT) |
 89%
From NCERT
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Migration is what kind of adaptation?

1. Physiological

2. Behavioural

3. Biochemical

4. Physical

Subtopic:  Adaptations (OLD NCERT) |
 67%
From NCERT
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Find the wrong match.

1. Kangaroo Rat: Internal Fat Oxidation

2. Opuntia: Morphological Adaptation

3. Fishes at ocean bottom: Anatomical Adaptation

4. Desert Lizards: Behavioural Adaptation

Subtopic:  Adaptations (OLD NCERT) |
 85%
From NCERT
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Calculate the birth rate of a population which has 20 individuals at time t, after one year 8 individuals have also counted along with those 20.

1. .3

2. 0.2

3. 0.4

4. 0.8

Subtopic:  Population Characters: Natality & Mortality |
 83%
From NCERT
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The size of the population for any species is

1. Dynamic

2. Static

3. Both

4. Always Nt

Subtopic:  Population Dynamic |
 61%
From NCERT
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Population Ecology links

1. Ecology to Evolution

2. Ecology to Genetics

3. Ecology to population Genetics and evolution

4. Ecology to diversity and evolution

Subtopic:  Population Attributes |
 79%
From NCERT
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Under normal circumstances which of the following affects population density most?

1. Nt

2. B

3. I

4. E

Subtopic:  Population: Exponential Growth Model | Population: Logistic Growth Model |
 67%
From NCERT
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The innate potential to grow in number does not follow which of the following statements?

(1) Each species has this ability

(2) When resources are unlimited only then it is realized

(3) This is an ideal situation.

(4) Resource availability is not that essential for the unimpeded growth

Subtopic:  Population: Exponential Growth Model |
 64%
From NCERT
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The equation of the exponential growth curve of the population has 'r’ that means which of the following statements?

1. Extrinsic rate of natural increase

2. An important parameter for assessing impacts of only biotic factors on population growth

3. For Norway rat, it values is 0.15

4. For flour beetle, it is 0.12

Subtopic:  Population: Exponential Growth Model |
From NCERT
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