Floods

Q. Which of the following regions are flood prone areas in India?

1. Ganga and Brahmaputra river basin
2. Deltaic areas of river basins in Peninsular India
3. The Himalayas
4. Lower parts of Narmada and Tapi river basins

Q. Consider the following statement regarding floods: When the snow melts, the river is inundated with more water than it can hold. And if there is any obstruction or silting, the capacity of the river ____ and it leads to a flood.

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

Q. Which among the following is not a preventive measure that can reduce the destructive imapct of floods?

1. Planting more trees
2. Construction of dams
3. Construction of embankments
4. Silting of rivers

Q. What are the measures we can take if floods hit us?

1. Move to higher ground
2. Disconnect all electrical appliances
3. Drink only boiled water
4. Do not move to higher grounds

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

1. flash flood
2. coastal flood
3. elevated flood

Q. In Assam, floods are caused by two river systems- the mighty Brahmaputra in the north and Barak in the _______.

1. East
2. West
3. South
4. North-West

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

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