Tag: introduction to the spheres of the earth

Questions Related to introduction to the spheres of the earth

In mesosphere, the temperature :

  1. Rises from $-2^o $ to $ 15^o C $

  2. Rises from $-2^o $ to $ 92^o C $

  3. Decreases from $-2^o $ to $ -15^o C $

  4. Decreases from $-2^o $ to $ -92^o C $


Correct Option: D

Primordial soup is the name of :

  1. Rainy season ponds

  2. Hot solute rich early sea

  3. Hot molten surface of early earth

  4. Lava rich part of early earth


Correct Option: B

Atmospheric layer protective to living beings from harmful rays is :

  1. Mesosophere

  2. Ozonosphere

  3. Thermosphere

  4. Both B and C


Correct Option: D

Microspheres resemble living beings in their ability to :

  1. Assimilate chemicals

  2. Grow

  3. Divide

  4. All the above


Correct Option: D

Methane of primary atmosphere disappeared in secondary atmosphere because of :

  1. Consumption in formation of carbohydrates

  2. Consumption in formation of various types of organic compounds

  3. Escaping in space

  4. Oxidation to $CO _2$


Correct Option: D

Asthenosphere lies at a depth of

  1. 70 km

  2. 70 - 100 km

  3. 70 - 150 km

  4. 70 - 280 km.


Correct Option: D

Asthenosphere is

  1. Part of mantle

  2. Part of crust

  3. Part of core

  4. Discontinuity between crust and mantle.


Correct Option: A

Ionosphere is between :

  1. Stratosphere and mesosphere

  2. Mesosphere and thermosphere

  3. Troposphere and stratosphere

  4. Troposphere and Thermosphere


Correct Option: B

Primitive atmosphere of earth contained water vapours, hydrogen, ammonia and :

  1. $CO _2$

  2. $O _2$

  3. $N _2$

  4. Methane


Correct Option: D