2231: The planet Mercury is revolving in an elliptical orbit around the sun as shown in the given figure. The kinetic energy of mercury is greatest at the point labelled

(a) A
(b) B
(c) C
(d) D
2232: In the constitution of India, promotionof international peace and security is included in the

(a) Preamble to the Constitution
(b) Directive Principles of State Policy
(c) Fundamental Duties
(d) Ninth Schedule
2233: MILD : NKOH :: GATE : __?__

(a) HCWI

(b) HCWT

(c) HWCT

(d) EYRC
2234: In the context of digital technologies for entertainment, consider the following statements:

1. In Augmented Reality (AR), a simulated environment is created and the physical world is completely shut out.
2. In Virtual Reality (VR), images generated from a computer are projected onto real-life objects or surroundings.
3. AR allows individuals to be present in the world and improves the experience using the camera of smart-phone or PC.
4. VR closes the world, and transposes an individual, providing complete immersion experience.

Which of the statements given above is/are correct?

(a) 1 and 2 only

(b) 3 and 4

(c) 1, 2 and 3

(d) 4 only
2235: 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