Lithosphere

Q. Which is the highest peak on the Earth?

1. Mount Kilimanjaro
2. Olympus Mons
3. Mauna Kea
4. Mount Everest

Q. The dead remains of plants and animals decay to add what to the soil?

1. Sand
2. Clay
3. Water
4. Humus

Q. Which is the deepest point on the Earth?

1. The Dead Sea
2. The Challenger Deep
3. The Survivor Deep
4. The Bermuda Triangle

Q. How long does it take for an inch of topsoil to form?

1. About 5 years
2. About 50 years
3. About 500 years
4. About 10 years

Q. Identify the major landforms of the lithosphere.

1. Mountains
2. Plateaus
3. Plains
4. Valleys

Q. Which physical region is a plateau?

1. 
2. 
3. 
4. 

Q. Which of these activities could adversely affect soil fertility?

1. Excessive farming
2. Excessive use of fertilisers
3. Excessive use of pesticides
4. Deforestation

Q.

The use of natural resources should be

1. Profitable

2. Equitable

3. Heavy

4. Prohibited

Q. What happens to rocks exposed to sunlight, rain and snow for many years?

1. They remain unchanged.
2. They begin to agglomerate.
3. They disintegrate.
4. They undergo chemical changes.

Q. Match the following major landforms to the type of landform.

1. Plateau
2. Plain
3. Mountain

Q. What is the lithosphere?

1. The solid portion of the planet which consists of all the landforms, rocks and soil
2. The liquid portion of the planet that covers the solid portion of the planet
3. The liquid portion of the planet which is responsible for the movement of the solid portion of the planet above it
4. The solid portion of the planet which is at the extreme interior of the planet

Q. Which of these were among Kerala's unique features?

1. Vast paddy fields
2. Vast millet fields
3. Vast ragi fields
4. Vast wheat fields

Q.

How is soil formed?

Q. _____ are nature's water reservoirs.

1. Canyons
2. Trenches
3. Valleys
4. Hills

Q. What will the unrestrained exploitation of natural resources lead to?

1. Desertification and global warming
2. Ecological imbalances
3. Destruction of natural flora and fauna
4. Imbalance in nature

Q. Why is clay being mined from the paddy fields of Kerala?

1. To make toys for children
2. For recreational use
3. To make cement
4. To make bricks

Q. What kind of activities increase the possibilty of landslides?

1. Unscientific construction activities on steep slopes
2. Scientific construction activities on plains
3. Scientific construction activities on gentle slopes
4. Unscientific construction activities on plains

Q. Why does the water level in Kerala's rivers drop after the rainy saeson?

1. Because of the sand mining from river beds
2. Because of heavy utilisation of the river water
3. Becasue of insufficient rain during the rainy season
4. Because of using water carelessly

Q. Give the location of the Aravali Hills. Also mention one feature of these hills.

Q. The substance in the form that makes it fertile and provides nutrients to the soil is _____________.
(a) Water
(b) air
(c) humus
(d) clay