Physical Weathering

Q.

Which One Of The Following Is An Example Of Physical Weathering

1. A Frost Action

2. B Weathering Due To The Reaction Between Rock And Water

3. C Tree Roots Fracturing The Rock

4. D None Of The Above

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

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

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 refers to the peeling away of the surface of rocks due to continuous expansion and contraction?

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

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

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

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

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

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

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

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. 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 these weathering processes is/are considered as physical weathering?

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

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. While walking on the desert, you found outer layers of rock peeled away like an onion. What is the primary factor responsible for this?

1. Pressure
2. Temperature
3. Gravity
4. Moisture

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

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

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

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

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

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

Q.

Water trapped in the cracks and crevices of rocks weakens the rocks because it contracts upon freezing.

1. True
2. False

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