Assertion (A): Mangroves are very specialised forest eco-system of tropical and Sub-tropical regions bordering certain sea coasts.

Reason (R): They stabilize the shoreline and act as a bulwark against encroachments by sea.

In the context of the above two statements, which one of the following is correct?

Match List I (Ores) with List II (States where they are mined) as select the correct answer using the codes given below the lists:

Codes

A B C D

Which of the following pairs are correctly matched?

1. Idukki -Thermal power station

2. Sabarigiri- Hydro-electric project

3. Ghatprabha -Irrigation project

4. Ramganga -Multi-purpose project

Physicochemical characteristics of water in water sources undergo changes due to:

Which one of the following is an important crop of the Barak Valley?

Consider the following programmes:
1. Afforestation and development of wastelands.
2. Reforestation and re-plantation in existing forests.
3. Encouraging wood substitutes and supplying other types of fuel.
4. Promotion of the wide use of insecticides and pesticides to restrict the loss of forest area from degradation caused by pests and insects.
The National Forest Policy of 1988 includes:

Consider the following statements:
At the present level of technology available in India, solar energy can be conveniently used to:
1. supply hot water to residential buildings
2. supply water for minor irrigation projects
3. provide street lighting
4. electrify cluster of villages and small towns

Local supply of coal is not available to:

Which one of the following areas of India produces the largest amount of cotton?