In aquatic habitats, the type of benthic animals is determined by

1. The grain size of soil at the bottom

2. Sediment characteristics

3. Percolating property of soil

4. topography of soil

Subtopic:  Response of Organisms to Abiotic Factors (OLD NCERT) |
 68%
From NCERT
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When we talk about the constant internal environment of our body and of any other animal's body, we include

1. Optimal temperature

2. Osmotic concentration of body fluids

3. Environmental conditions affecting the internal system of organisms

4. Both 1 and 2

Subtopic:  Response of Organisms to Abiotic Factors (OLD NCERT) |
 83%
From NCERT
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Plants are

1. Regulators

2. Conformers

3. Partial Regulators

4. Partial Conformers

Subtopic:  Response of Organisms to Abiotic Factors (OLD NCERT) |
 84%
From NCERT
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Shrews and Humming Birds are not capable of regulating body temperature because

1. Thermoregulation is energetically expensive

2. Higher surface area to volume ratio

3. Both 1 and 2

4. Thermoregulation is not a function of energy

Subtopic:  Response of Organisms to Abiotic Factors (OLD NCERT) |
 85%
From NCERT
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Every……….Keoladeo National Park…… in Rajasthan hosts thousands of migratory birds coming from …….

1. Summer, Udaypur, Himachal

2. Winter, Bharatpur, Siberia

3. Summer, Bharatpur, Madhya Pradesh

4. Winter, Jodhpur, Himachal

Subtopic:  Response of Organisms to Abiotic Factors (OLD NCERT) |
 91%
From NCERT
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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) |
 66%
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) |
 84%
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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