3496: A pesticide which is a chlorinated hydrocarbon is sprayed on a food crop. The food chain is: Food crop - Rat - Snake - Hawk. In this food chain, the highest concentration of the pesticide would accumulate in which one of the following?
(a) Hawk
(b) Food crop
(c) Snake
(d) Rat
3497: Which one of the following is incorrect in respect of Local Government in India ?
(a) According to the Indian Constitution, local government is not an independent tier in the federal system
(b) 30% of the seats in local bodies are reserved for women
(c) Local government finances are to be provided by a Commission
(d) Elections to local bodies are to be determined by a Commission
3498: Consider the following animals
1. Sea cow
2. Sea horse
3. Sea lion
Which of the above is/are mammal/mammals?
(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
3499: Where was world's largest ever meet on HIV AIDS held in July, 2004?
(a) Singapore
(b) Bangkok
(c) Rome
(d) New York
3500: A wooden block is floating in water. If 4/5 of its volume is immersed in water and volume of the water displaced is 800 ml, the volume of the block is
(a) 1140 ml
(b) 200 ml
(c) 800 ml
(d) 1000 ml