The Hydrological Cycle

Q. What are the three sources of water on earth?

Q. Assertion: Water is a precious resource and must be protected.
Reason: Water is involved in a number of biochemical reactions and also serves as a habitat for many species.

1. Assertion is true but the reason is false.
2. Assertion is false but the reason is true.
3. Assertion and reason are true but reason is not the correct explanation of assertion.
4. Assertion and the reason are true and reason is the correct explanation of assertion.

Q.

What are the processes involved in the formation of rain?

1. Evaporation, Condensation

2. Condensation, Sedimentation

3. Evaporation, Sedimentation

4. Weathering, Condensation

Q. The energy stored in the water molecules which is used for their movement is called as water potential.

1. False

2. True

Q.

Question 2
Why is water essential for life?

Q. Question 31
Rivers from land, add minerals to sea water. Discuss how?

Q. Which of the following depicts the importance of water in sustaining life?

1. It is involved in biochemical reactions.
2. It serves as a habitat for several species.
3. It is involved in cycling of various elements.
4. It aids in the formation of ozone.

Q. The natural cycle which make sure the availabity of water for terrestrial animals and plants is called .

1. carbon cycle
2. nitrogen cycle
3. water cycle
4. oxygen cycle

Q. Which among the natural cycles is the reason for the seas and oceans not drying up?

1. Carbon cycle
2. Oxygen cycle
3. Water cycle
4. Nitrogen cycle

Q. ___ and ___ are the processes involved in precipitation.

1. Evaporation and condensation
2. Evaporation and sedimentation
3. Condensation and sedimentation
4. Weathering and sedimentation

Q. make sure the availabity of water for terrestrial animals and plants.

1. Water cycle
2. Carbon cycle
3. Nitrogen cycle

Q. Question 2
Why is water essential for life?

Q. Percentage of fresh water available on Earth is____.

1. 2%
2. 1.5%
3. 3%
4. 3.5%

Q. Statement A: Precipitation dilutes the intensity of the pollutants in the air.
Statement B: The rivers upon flowing through the rocks dissolute few dissolvable minerals.

1. Statement 1 is true and statement 2 is false.
2. Statement 1 is false and statement 2 is true.
3. Both the statements are true.
4. Neither of the statements are true.

Q.

Which of the natural cycles make sure the availabity of water for terrestrial animals and plants?

1. Nitrogen cycle

2. Carbon cycle

3. Sulphur cycle

4. Water cycle

Q.

Which of the natural cycles make sure the availability of water for terrestrial animals and plants?

1. Nitrogen cycle

2. Water cycle

3. Sulphur cycle

4. Carbon cycle

Q. Question 44
Why does water need conservation even though large oceans surround the land masses?

Q. Order the stages in the water cycle from top to bottom starting from evaporation.

1. Evaporation
2. Condensation
3. Precipitation
4. Run off

Q. Identify the part of image which represents a form of precipitation.

1. 
2. 
3. 
4. 

Q. Identify the processes A, B and C involved in the given image of water cycle.

1. A-Evaporation
   B-Condensation
   C-Transpiration
2. A-Condensation
   B-Evaporation
   C-Transpiration
3. A-Evaporation
   B-Transpiration
   C-Condensation
4. A-Transpiration
   B-Evaporation
   C-Condensation

Q.

What are the processes involved in the formation of rain?

1. Weathering, Condensation

2. Evaporation, Condensation

3. Condensation, Sedimentation

4. Evaporation, Sedimentation