Light as an abiotic factor is important

1. For photosynthesis and flowering only

2. Foraging, reproductive and migratory activities of animals

3. A and B both

4. Only for autotrophs

Which statement among the following is wrong?

1. More than 500 m depth of the ocean doesn't get sunlight

2. The spectral quality of solar light is important.

3. All the color components of the visible spectrum are not available for marine plants.

4. The UV component of light is harmful to all the organisms

The percolation property of soil is controlled by which of the following parameters?

1. Composition and Aggregation

2. Composition and pH

3. Composition, Aggregation, and grain size

4. Grain size, topography, and pH

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

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

Plants are

1. Regulators

2. Conformers

3. Partial Regulators

4. Partial Conformers

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

Bears going into hibernation is an example of

1. Escape in time

2. Escape in winter sleep

3. Diapause

4. Migration

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

Migration is what kind of adaptation?

1. Physiological

2. Behavioural

3. Biochemical

4. Physical