4506: Why DDT is banned in western countries?
(a) It remains in environment for a long time
(b) The insects are immunised
(c) It is a highly poisonous insecticide
(d) None of the above
4507: What type of mirror is used by motorists to see the road behind them?
(a) Convex
(b) Concave
(c) Plane
(d) Concavo-convex
4508: Consider the following statements :
In India, taxes on transactions in Stock Exchanges and Futures Markets are
1. levied by the Union
2. collected by the State
Which of the statements given above is /are correct ?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
4509: Assertion (A)
In 1946 in Bombay the ratings of the Royal Indian Navy rose in open mutiny against the British
Reason (R)
The Royal Indian Navy joined the INA
(a) A and R both are incorrect
(b) A is correct but R is incorrect
(c) A and R are correct and R is the correct explanation of A
(d) A and R are correct but R is not the correct explanation of A
4510: Consider the following:
1. Hotels and restaurants
2. Motor transport undertakings
3. Newspaper establishments
4. Private medical institutions
The employees of which of the above can have the 'Social Security' coverage under Employees' State Insurance Scheme?
(a) 1, 2 and 3 only
(b) 4 only
(c) 1, 3 and 4 only
(d) 1, 2, 3 and 4