Tag: origin of universe

Questions Related to origin of universe

Edaphic factors are included in

origin of universe universe and organic evolution biology

  1. Abiotic components

  2. Biotic components

  3. producers

  4. consumers

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Correct Option: A
Explanation:

Edaphic factor is an abiotic factor relating to the physical or chemical composition of the soil found in a particular area. The edaphic factors are the abiotic factors with respect to the soil. These factors include; soil texture, soil air, the temperature of the soil,  soil water etc

So, the correct answer is 'Abiotic components'

Term biosphere is used for the zone of earth where life exists

origin of universe universe and organic evolution biology

  1. On lithosphere

  2. In the hydrosphere

  3. In the lithosphere and hydrosphere

  4. In the lithosphere, hydrosphere and atmosphere

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Correct Option: D

What is function of biosphere?

origin of universe universe and organic evolution biology

  1. Competes for resources

  2. Cause destruction

  3. to sustain life

  4. Living and non living organism

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Correct Option: C

Which of the following is limiting factor in the productivity of the ocean:-

origin of universe universe and organic evolution biology

  1. NItrogen

  2. Phosphorous

  3. Magnesium

  4. Both A and B

Show answer
Correct Option: D
Explanation:
The amount of primary production depends on a variety of environmental factors. These factors include the availability of essential inorganic nutrients, particularly nitrogen and phosphorus; water temperature; and the turbidity of the water. Open oceans have relatively low primary productivity because of low levels of the essential nutrients nitrogen and phosphorus. So, the correct option is 'Both A and B'.

"To meet with the deficit which occurs due to imbalance in the rate of influx and efflux" is the function of?

origin of universe universe and organic evolution biology

  1. Biosphere

  2. Reservoir

  3. Solar energy

  4. Species diversity

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Correct Option: A

'Biosphere' is a thin sphere that encapsulates the;

origin of universe universe and organic evolution biology

  1. Earth

  2. Universe

  3. Humans

  4. Plants and Animals

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Correct Option: A

Which of the following is the ultimate source of energy for all living organisms?

origin of universe universe and organic evolution biology

  1. Food

  2. Milk

  3. Sun

  4. Electricity

Show answer
Correct Option: C
Explanation:

Sun is the ultimate source of energy. The radiation of sun helps to warm the earth. Changing the temperature of earth forms different season. Plants directly depend on the sun to prepare their own by photosynthesis. Sun provides energy in different form solar energy. Thus, the correct option is C.

The sphere of living matter found on the surface of earth comprises.

origin of universe universe and organic evolution biology

  1. Lithosphere

  2. Hydrosphere

  3. Atmosphere

  4. Biosphere

Show answer
Correct Option: D
Explanation:

The biosphere is one of the four layers that surround the earth along with the lithosphere, hydrosphere, and atmosphere. It is the place on earth's surface where life is found. Thus the correct answer is option D.

The ultimate source of our energy is 

origin of universe universe and organic evolution biology

  1. Sun

  2. Electricity

  3. Wind

  4. Plants

Show answer
Correct Option: A
Explanation:

The sun is called the ultimate source of energy because it is the source of almost all energies of the earth. Plants convert light energy from the sun into chemical energy (food) by the process of photosynthesis. Animals eat plants and use that same chemical energy for all their activities.

So, the correct answer is 'Sun'.

Which of the following gave the term biosphere?

origin of universe universe and organic evolution biology

  1. Ernst Haeckel

  2. Aurthur Tansley

  3. Elton

  4. Eduard Suess

Show answer
Correct Option: D
Explanation:

Eduard Suess coined the term biosphere in 1875. According to him, bio referred to the life and sphere referred to everything around. Hence, biosphere includes atmosphere, lithosphere and geosphere.

Thus, the correct answer is option D.