Consider the following statements :

1. The Government of India provides Minimum Support Price for niger (Guizotia abyssinica) seeds.

2. Niger is cultivated as a Kharif crop.

3. Some tribal people in India use niger seed oil for cooking.

How many of the above statements are correct? 

Consider the following statements :

Once the Central Government notifies an area as a 'Community Reserve'

1. the Chief Wildlife Warden of the State becomes the governing authority of such forest

2. hunting is not allowed in such area

3. people in such areas are allowed to collect non-timber forest produce

4. people of such areas are allowed traditional agricultural practices

How many of the above statements are correct? 

With reference to the role of biofilters in Recirculating Aquaculture System, consider the following statements:

1. Biofilters provide waste treatment by removing uneaten fish feed.

2. Biofilters convert ammonia present in fish waste to nitrate.

3. Biofilters increase phosphorus as nutrient for fish in water.

How many of the statements given above are correct?

Consider the following statements regarding mercury pollution:

1. Gold mining activity is a source of mercury pollution in the world.

2. Coal-based thermal power plants cause mercury pollution.

3. There is no known safe level of exposure to mercury.

How many of the above statements are correct?