281: Recently, LASIK (Laser Assisted In Situ Keratomileusis) procedure is being made popular for vision correction. Which one of the following statements in this context is not correct ?

(a) LASIK procedure is used to correct refractive errors of the eye

(b) It is a procedure that permanently changes the shapes of the cornea

(c) It reduces a person's dependence on glasses or contact lenses

(d) It is a procedure that can be done on the person of any age
282: Assertion (A) :

Activated charcoal is used for decolourising sugar solution.

Reason (R) :

Activated charcoal absorbs the impurities on its surface.

(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
283: Which of the following is geographically closest to Great Nicobar ?

(a) Sumatra
(b) Borneo
(c) Java
(d) Sri Lanka
284: Consider the following statements:

1. Under Ramsar Convention, it is mandatory on the part of the Government of India to protect and conserve all the wetlands in the territory of India.
2. The Wetlands (Conservation and Management) Rules, 2010 were framed by the Government of India based on the recommendations of Ramsar Convention.
3. The Wetlands (Conservation and Management) Rules, 2010 also encompass the drainage area or catchment regions of the wetlands as determined by the authority.

Which of the statements given above is/are correct?

(a) 1 and 2 only

(b) 2 and 3 only

(c) 3 only

(d) 1, 2 and 3
285: Which of the following is not a tenet of Gandhian Socialism:

(a) Social justice

(b) Concern for the poor but not hatred for the rich

(c) Equality of opportunities of all

(d) Nationalisation of all means of production and distribution