Tag: significance of biodiversity

Questions Related to significance of biodiversity

Best soil for healthy and vigorous growth of a plant is

evs interdependence in our environment meaning of environment significance of biodiversity habitat and adaptation

  1. Sandy soil

  2. Loam

  3. Clay

  4. None of the above

Show answer
Correct Option: B
Explanation:

Clay is rich in minerals but has poor aeration and sand has good aeration but lacks water holding capacity. The size of soil particles is largest in the case of sand and smallest in the case of clay. Loam is an ideal mix of clay and sand and it contains humus.

So, the correct answer is option B.

An earthworm's niche is described by the statement that

evs - i interdependence in our environment meaning of environment significance of biodiversity habitat and adaptation

  1. Earthworms are decomposers who live in the soil.

  2. Earthworms eat decaying organic matter.

  3. Earthworms are usually found living in the soil.

  4. Earthworms are used as food by some birds.

  5. Earthworms help the soil by aerating it.

Show answer
Correct Option: A
Explanation:

Niche refers to the totality of an organism’s adaptations, its mode of use of available resources, and the lifestyle in its community. It includes the mode of consumption of materials in its environment as well as its interactions with other organisms. Habitat portion of earthworm's fundamental niche refers to the soil while its role as decomposer is the realized niche. Thus, the correct answer is A.

The spiders and other small insects are found in the 

evs interdependence in our environment meaning of environment significance of biodiversity habitat and adaptation

  1. Cupboards

  2. Drawers

  3. Cracks of wall

  4. All of the above

Show answer
Correct Option: D

Xeric environment is characterised by

evs interdependence in our environment meaning of environment significance of biodiversity habitat and adaptation

  1. Precipitation

  2. Low atmospheric humidity

  3. Extremes of temperature

  4. High rate of vapourisation

Show answer
Correct Option: B
Explanation:

Xeric environment means dry conditions or low atmospheric humidity and lack of precipitation. Also the temperature variations depend on several other variables like altitude, latitude and hemisphere. High rates of vapourisation is not a characteristic of environment but a consequence of low atmospheric humidity.

The cold mountain ranges are the home to 

evs interdependence in our environment meaning of environment significance of biodiversity habitat and adaptation

  1. Camels and yaks

  2. Yaks and goats

  3. Bear and camels

  4. None of the above

Show answer
Correct Option: B

The aquatic animals like the crabs and fishes were found near

evs interdependence in our environment meaning of environment significance of biodiversity habitat and adaptation

  1. Himalaya

  2. Puri

  3. Rishikesh

  4. Rajasthan

Show answer
Correct Option: B

The climate found in the desert is

evs interdependence in our environment meaning of environment significance of biodiversity habitat and adaptation

  1. Hot and airy

  2. Humid and airy

  3. Hot and humid

  4. Dry and airy

Show answer
Correct Option: C

Find the odd one out.

evs interdependence in our environment meaning of environment significance of biodiversity habitat and adaptation

  1. Soil

  2. Water

  3. Air

  4. Producer

Show answer
Correct Option: D

Biotic potential refers to

evs interdependence in our environment meaning of environment significance of biodiversity habitat and adaptation

  1. Increase of population under optimum conditions

  2. Increase of population under given conditions

  3. Increase of population under natural conditions

  4. Increase of population under climatic conditions

Show answer
Correct Option: A
Explanation:

Biotic potential is the maximum capacity of a population to reproduce under ideal conditions (environmental).

Which of the following is the biotic component of environment?

evs interdependence in our environment meaning of environment significance of biodiversity habitat and adaptation

  1. Producer

  2. Consumer

  3. Decomposer

  4. All of the above

Show answer
Correct Option: D