Millionaire Mode

Polyhalogen compounds - class-XII

Question 1 of 14

Which of the following statements is not correct?

  1. DDT and BHC are not good insecticides because they are highly soluble in water.
  2. DDT and BHC are not good insecticides because they are absorbed by the soil and contaminate root corps.
  3. Aldrin is not a good insecticide because it is not biodegradable.
  4. All of the above are incorrect.

Prize Money

15₹7 Crores
14₹1 Crore
13₹50,00,000
12₹25,00,000
11₹12,50,000
10₹6,40,000
9₹3,20,000
8₹1,60,000
7₹80,000
6₹40,000
5₹20,000
4₹10,000
3₹5,000
2₹2,000
1₹1,000