936: In a remote Indian village with a scarcity of fuel, the people draw water from a well. They should be advised before drinking that water to:

(a) Boil it

(b) Use ion exchange resins

(c) Use solar stills for distilling

(d) Use potassium permanganate for purifying the water
937: With reference to the National Intellectual Property Rights Policy, consider the following statements:

1. It reiterates Indias commitment to the Doha Development Agenda and the TRIPS Agreement.

2. Department of Industrial Policy and Promotion is the nodal agency for regulating intellectual property rights in India.

Which of the above statements is/are correct?

(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
938: Assertion (A) :

Mangroves are very specialised forest ecosystems of tropical and subtropical regions bordering certain sea coasts.

Reason (R) :

They stabilise the shoreline and act as bulwark against encroachments by sea.

In the context of the above two statements, which one of the following is correct ?

(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true but R is not a correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
939: The average salary of skilled employees in a firm is Rs. 520 and that of the unskilled employees is Rs. 420. If the average salary of both the groups of employees is Rs. 500, then the percentage of skilled employees in the firm is

(a) 50

(b) 20

(c) 80

(d) 70
940: Kurds who have been fighting for a separate homeland live mainly in Iraq,

(a) Iran and Turkey

(b) Iran, Turkey and Jordan

(c) Iran, Jordan and Saudi Arabia

(d) Turkey and Jordan