Floods

Q. The phenomenon of a sudden rise in the water levels due to heavy rainfall is called a ________ flood

1. pluvial
2. flash
3. river
4. urban

Q. Which historian has recorded the Kerala flood of C.E. 1341 in his book "Natural History"?

1. Pliny (Jr.)
2. Tacitus
3. Strabo
4. Pliny (Sr.)

Q. The phenomenon of a sudden rise in the water levels due to heavy rainfall is called ____.

1. river flood
2. urban flood
3. flash flood
4. pluvial flood

Q. Kerala is home to ___ rivers that originate from the slopes of the Sahyadri.

1. 43
2. 42
3. 44
4. 45

Q. Which of the following are measure(s) that is/are to be taken before a flood strikes?

1. Afforestation
2. Deforestation
3. Dam construction
4. Embankment construction

Q. Read the following statements and choose the correct option that best describes these statements:

1. Precipitation or melting of snow over a large catchment area can cause a river to overflow, causing a flood.
2. A coastal flood is associated with cyclones, high tides, and tsunamis.

1. Both the statements are incorrect.
2. Both the statements are correct.
3. Statement 1 is correct and statement 2 is incorrect.
4. Statement 1 is incorrect and statement 2 is correct.

Q.

8. Match the terms in the two columns:

Column 1	Column 2
Floods	Aquifers
Groundwater	Saltwater
Ocean	Rain
Precipitation	Dust and water vapor
Clouds	Excess rain

Q. Assertion [A]:Mangroves mitigate the destructive impacts of a cyclone and protects coastal regions from cyclones.

Reason [R]:Mangrove trees can break up the force of a storm.

Read the above given statements and select the option that is true.

1. A is true but R is false.
2. Both A and R is false.
3. Both A and R is true. R is the correct explanation for A.
4. Both A and R is true. R is the incorrect explanation for A.

Q. Consider the following statement regarding floods and fill in the blank:

When the snow melts, the river is inundated with more water than it can hold. If there is any obstruction or silting, the capacity of the river ____ and it leads to a flood.

1. increases
2. decreases
3. remains stable
4. fluctuates

Q. Consider yourself working in your field near India-Bangladesh on 20 May 2020. All of a sudden strong winds started to blow and eventually you had to run for your life to the nearby shelter from the impending cyclone.

Which cyclone is being mentioned here?

1. Cyclone Fani
2. Cyclone Bulbul
3. Cyclone Amphan
4. Cyclone Aila

Q. Your city is a flood-prone area owing to the torrential rainfall that it receives. Which of the following preventive steps can your community take?

1. Ensure good drainage in all the concerned localities.
2. Host frequent sessions on best practices related to flood management.
3. Prepare basic survival kits for the entire community.
4. Release compulsory funding to people trying to cope with the possible floods.

Q. The tributaries of _________ cause floods in Uttar Pradesh.

1. Ganges
2. Indus
3. Brahmaputra
4. Narmada

Q. The phenomenon of a sudden rise in the water levels due to heavy rainfall is called a ____.

1. Flash flood
2. River flood
3. Pluvial flood
4. Urban flood

Q. Which of the following are measure(s) that are to be done before a flood strikes?

1. Afforestation
2. Deforestation
3. Dam construction
4. Embankment construction