Floods

Q. Which of the following can be done to prevent flood? Choose all the correct answers.

1. Afforestation
2. Deforestation
3. Building river dikes
4. Building floodways and drinage systems

Q. Which of the following can cause flood? Choose all the correct answers.

1. Unusual climate change
2. Heavy rainfall
3. Tsunami
4. Severe wind over water

Q. is overflowing of water onto properties and land.

1. Flood
2. Drought
3. Famine

Q. Which amongst the following can happen due to excessive rainfall?

1. Drought
2. Earthquake
3. Flood
4. Cyclone

Q. Recognize the disaster shown in the image below.

1. Earthquake
2. Flood
3. Drought
4. Volcanic eruption

Q. The process of water cycle that recharges water table and sometimes leads to floods, is also responsible for ________.

1. water loss from plant leaves
2. filling of wells
3. drying of clothes
4. formation of dew drops

Q. Afforestation can prevent which of the following natural disaster?

1. Cyclone
2. Earthquake
3. Volcanic eruption
4. Floods

Q. One of the purpose to construct dams is to reduce flooding by __________.

1. protecting river banks from erosion
2. providing storage for flood water
3. increasing the speed of flood water
4. not trapping sediments

Q. is overflowing of water onto properties and land.

1. Flood
2. Drought
3. Famine

Q.

Which of the following trucks should be unloaded to build the roof of a brick house?

Q.

Identify the items used for constructing various parts of a concrete house.

Q. a) What are the things that have to be considered while sowing seeds? (1 mark)
b) What changes happen to the water bodies during winter and summer? (2 marks)

Q. Which amongst the following can happen due to excessive rainfall?

1. Drought
2. Flood
3. Earthquake
4. Cyclone

Q. Which of the following are the causes of flood?

1. Melting of glaciers
2. Heavy rainfall
3. Afforestation
4. Breakdown of dams