Question

While India's Human population is growing at an astounding pace, the bird population is shrinking fastly mainly because:

1. there has been an abnormal increase in the number of hunters.
2. bio-pesticides and organic manure are being used on an large scale.
3. there has been a large scale reduction in the habitats of the birds.
4. there has been a large scale used of pesticides, chemical fertilizers and mosquito repellents.

Select your answer correctly using the codes given below:
Codes:

1. 1 and 2 are correct
2. 2 and 3 are correct
3. 3 and 4 are correct
4. 1 and 4 are correct