The salt concentration of water bodies is measured in

1. Parts Per Thousands
2. Parts Per Million
3. Parts Per Billion
4. Parts per Hundreds

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 ocean doesn't get sunlight
2. The spectral quality of solar light is important.
3. All the color components of 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. Grain size of soil at bottom
2. Sediment characteristics
3. Percolating property of soil
4. topography of soil

When we talk about 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 internal system of organisms
4. Both A and B

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 A and B
4. Thermoregulation is not a function of energy

Every……….Keolado National Park…… in Rajasthan hosts thousands of migratory birdscoming from …….

1. Summer, Udaypur, Himachal
2. Winter, Bharatpur, Siberia
3. Summer, Bharatpur, Madhya Pradesh
4. Winter, Jodhpur, Himachal

Bears going into hibernation is an example of

1. Escape in time
2. Escape in winter sleep
3. Diapause
4. Migration