Tag: habitat and adaptation

Questions Related to habitat and adaptation

World environment day is celebrated on ______

  1. ${ 5 }^{ th }\quad June$

  2. ${ 22 }^{ nd }\quad April$

  3. ${ 3 }^{ rd }\quad December$

  4. ${ 16 }^{ st }\quad September$


Correct Option: A
Explanation:

5th June is World Environment Day, 22nd April is World Earth Day, 3rd September is World Ozone Day and 3rd December is World Conservation Day.

The environment is composed of

  1. Lithosphere, Hydrosphere, Atmosphere

  2. Lithosphere and Stratosphere

  3. Troposphere and Stratosphere

  4. Lithosphere and Hydrosphere


Correct Option: A
Explanation:
Lithosphere consists of the earth's core, the mantle, crust, ocean floor, mountains, sand, rocks, etc.
Hydrosphere is made of everything that includes water such as oceans, rivers, lakes, rain and ice caps.
Atmosphere is made of gasses such as oxygen, hydrogen, water vapor, ozone, and the wind.
All the three make up the environment. 
Thus, the correct answer is option 'Lithosphere, Hydrosphere, Atmosphere'.

Biologists observe 5th June as

  1. Darwin birthday

  2. World environment day

  3. World population day

  4. World hygiene


Correct Option: B
Explanation:

5th June every year is observed as World Environment Day. This is to ensure awareness among people for the conservation and enhancement of the environment that forms a very integral part of our ecosystem.

So, option B is the correct answer.

Ozone day is

  1. January 30

  2. December 25

  3. April 21

  4. September 16


Correct Option: D
Explanation:

The United Nations (UN) International Day for the Preservation of the Ozone Layer is celebrated on September 16 every year. This event commemorates the date of the signing of the Montreal Protocol on Substances that Deplete the Ozone Layer in 1987.

Therefore, the correct answer is option D.

Best soil for healthy and vigorous growth of a plant is

  1. Sandy soil

  2. Loam

  3. Clay

  4. None of the above


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

  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.


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 

  1. Cupboards

  2. Drawers

  3. Cracks of wall

  4. All of the above


Correct Option: D

Xeric environment is characterised by

  1. Precipitation

  2. Low atmospheric humidity

  3. Extremes of temperature

  4. High rate of vapourisation


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 

  1. Camels and yaks

  2. Yaks and goats

  3. Bear and camels

  4. None of the above


Correct Option: B

The aquatic animals like the crabs and fishes were found near

  1. Himalaya

  2. Puri

  3. Rishikesh

  4. Rajasthan


Correct Option: B