Physical Weathering

Q. Which of the following best explains the process of exfoliation?

1. The process of weathering of a rock due to wind and water.
2. The process of weathering of rocks layer by layer due to temperature fluctuations.
3. The process of rock formation due to deposition of layers by rivers and wind.
4. The process of weathering due to growth of plant roots and burrowing of animals.

Q. Which of these weathering processes is caused by the action of ice?

1. Exfoliation
2. Frost Action
3. Granular Weathering
4. Alkaline crystallisation

Q. Which of these weathering processes is/are considered as physical weathering?

1. Frost Action
2. Exfoliation
3. Oxidation
4. Carbonation

Q. Which of these statements is/are true about granular weathering?

1. The rainwater penetrates the rocks and loosens the particles of the rock.
2. The freezing action of water in the cracks of rocks lead to disintegration.
3. This process works on rocks which are formed by the clustering of sand particles due to high pressure.
4. Pressure and temperature changes will cause the outer surface of rocks to peel away.

Q. Arrange the process of physical weathering of rocks in the right order.

1. Contraction
2. Expansion
3. Stress
4. Exfoliation

Q. What is the alkaline component in the process of weathering that causes alkaline crystallisation?

1. Seawater
2. Minerals in the rocks
3. Rainwater
4. Rocks

Q. Repeated expansion and contraction causes stress on the _____, which causes the rock to disintegrate into blocks.

1. surface of rocks
2. joint of rocks
3. core of rocks
4. tip of rocks

Q. What type of weathering causes rocks to look like honeycombs?

1. Exfoliation
2. Frost Action
3. Alkaline crystallisation
4. Granular weathering

Q.

The process of sudden contraction and expansion due to which the layers of rocks are ‘peeled off’ is known as

1. Frost Action

2. Granular disintegration

3. Block disintegration

4. Exfoliation

Q. The repeated process of freezing and melting which ultimately breaks up the rock is known as .

1. exfoliation
2. frost action
3. granular freezing

Q. Where would you typically find the occurrence of alkaline crystallisation?

1. In plains
2. In mountains
3. In deserts
4. In rocky coasts

Q. Which of the following processes is associated with the form of weathering where the grains of a crystalline rock become loosened and fall out?

1. Granular weathering
2. Granular disintegration
3. Block seperation
4. Block disintegration

Q. Which of the following processes happens in non-crystalline rocks?

1. Block integration
2. Block disintegration
3. Granular integration
4. Granular disintegration

Q. Which of the following physical factors plays a significant role in the formation of rust?

1. Temperature
2. Pressure
3. Humidity
4. Hardness

Q. Consider the following statements with regard to exfoliation.

A - When the temperature increases rapidly during the night, the rock contracts.

B - The outer layer contracts faster than the inside of the rock.

Identify the correct statements.

1. A only
2. B only
3. Both A & B
4. Neither A nor B

Q. Which of the following refers to the peeling away of the surface of rocks due to continuous expansion and contraction?

1. Exfoliation
2. Granular weathering
3. Frost action
4. Slumping

Q. Consider the following statements with regards to Alkaline Crystallization.

A - The salty sea waves hit the sea cliff in rocky coasts.

B - Alkaline crystals occupy less space but, they cause stress in the rock.

Identify the incorrect statements.

1. A only
2. B only
3. Both A & B
4. Neither A nor B

Q. Where would you typically find the occurence of alkaline crystallisation?

1. Coasts
2. Rocky coasts
3. Mountains
4. Deserts

Q. Which of the following processes works on certain types of rocks that are formed because of pressure on the agglomeration?

1. Exfoliation
2. Granular disintegration
3. Granular weathering
4. Frost action

Q. How does biological weathering occur?

Q. Granular weathering takes place when rainwater that enters the rock loosens the particles and separates it from the main rock.

1. True
2. False

Q. Which of the following best explains the process of exfoliation?

1. The process of weathering of a rock due to wind and water.
2. The process of rock formation due to deposition of layers by rivers and wind.
3. The process of weathering of rocks layer by layer due to temperature fluctuations.
4. The process of weathering due to growth of plant roots and burrowing of animals.

Q. Which of the following best explains the process of exfoliation?

1. The process of weathering of a rock due to wind and water.
2. The process of rock formation due to deposition of layers by rivers and wind.
3. The process of weathering of rocks layer by layer due to temperature fluctuations.
4. The process of weathering due to growth of plant roots and burrowing of animals.

Q. Arrange the process of physical weathering of rocks in the right order.

1. Contraction
2. Expansion
3. Stress
4. Exfoliation