Layers of Earth

Q.

What is the lithosphere and why is it important?

Q.

What is Troposphere?

Q.

Number Of Biogeographical Regions Of India Is

Q. In the word Lithosphere, litho means ________.

1. leaf
2. stone
3. sand
4. water

Q.

Supersonic jets release oxides of ______ into the atmosphere.

Q.

If there was no CO₂ in the earths atmosphere, the temperature of the earths surface would be:

1. Same as the present

2. Less than the present

3. Higher than the present

4. Dependent on the amount of oxygen in the atmosphere

Q.

What is the Relative Ages of Rock?

Q. When the observations are taken at an interval of 6 months, the angle of parallax of a star is 0.4". Find the distance of star in parsec?

Q.

In the troposphere, the temperature decreases at the rate of 1 degree celsius for every ___________.

Q. 71% of earth is covered by

1. Biosphere
2. Lithosphere
3. Atmosphere
4. Hydrosphere

Q.

Meteors burn and appear as shooting stars in the______ (thermosphere/mesosphere).

Q. Which of the following is true about Changthang?

1. It's a city in Kashmir.
2. It's a high altitude region.
3. Temperature drops below zero in winters.
4. Winds blow at 70 kmph.

Q.

A flat in Mumbai with a balcony facing the sea has some clothes hung on a clothesline in the balcony. Towards which direction the clothes will be blown in the afternoon? Explain.

Q.

Which Fish Isnt Cartilaginous?

Q.

The climatic conditions are determined by the ______ present in air.

Q.

What is the outermost layer of the earth called?

1. Crust

2. Mantle

3. Mantle

4. Mantle

Q. The thickness of troposphere is

1. 12 km
2. 50 km
3. 40km
4. 8o km

Q. CB Van Neil divide living organisms into prokaryotes and eukaryotes, true or false?

Q.

What do you understand by the following term- Universe

Q. Biosphere reserve programme started in India ___________.

1. 1986
2. 1984
3. 1982
4. 1988

Q. Which one of the following describes the Lithosphere?

1. Crust and upper mantle
2. Upper and lower mantle
3. Crust and core
4. Mantle and core

Q. Arrange the layers of the earth as we move from the center of the earth to the surface.

1. inner core
2. outer core
3. mantle
4. inner crust
5. outer crust

Q. UV radiations absorbed by ozone layer are

1. Complete UV-C and complete UV-B
2. All types
3. UV-C
4. Complete UV-C and a large amount of UV-B

Q. Do snakes have jaw bones?Explain

Q. ________ covers all water present on the Earth’s surface.

1. Hydrosphere
2. Lithosphere
3. Troposphere
4. Mesosphere

Q. Thickest layer of the atmosphere is

1. Troposphere
2. Thermosphere
3. Mesosphere
4. Stratosphere

Q. Transitional layer between stratosphere and mesosphere is ______________.

1. Troposphere
2. Lithosphere
3. Stratopause
4. Tropopause

Q.

_______________ is the envelope of air which surrounds the earth.

Q.

the most abundant protein in biosphere

Q. The layer of atmosphere which protects the living beings from harmful rays is

1. Ozonosphere
2. Mesosphere
3. Thermosphere
4. Both B and C