841: In Mughal paintings one notices the adoption of principle of foreshortening whereby near and distant people and things could be placed in perspective. This was due to the influence of the

(a) British

(b) Dutch

(c) Portuguese

(d) Danish
842: Consider the following statements regarding the earthquakes :

I. The intensity of earthquake is measured on Mercalli scale.
II. The magnitude of an earthquake is a measure of energy released.
III. Earthquake magnitudes are based on direct measurements of the amplitude of seismic waves.
IV. In the Richter scale, each whole number demonstrates a hundredfold increase in the amount of energy released.

Which of these statements are correct ?

(a) I, II and III
(b) II, III and IV
(c) I and IV
(d) I and III
843: Consider the following programmes :

I. Afforestation and development of wastelands.
II. Reforestation and replantation in existing forests.
III. Encouraging the wood substitutes and supplying other types of fuel.
IV. Promotion of wide use of insecticides and pesticides to restrict the loss of forest area from degradation caused by pests and insects.

The National Forest Policy of 1988 includes

(a) I, II, III and IV
(b) II and IV
(c) I, III and IV
(d) I, II and III
844: What are the possible limitations of India in mitigating the global warming at present and in the immediate future ?

1. Appropriate alternate technologies are not sufficiently available.

2. India cannot invest huge funds in research and development.

3. Many developed countries have already set up their polluting industries in India.

Which of the statements given above is/are correct ?

(a) 1 and 2 only
(b) 2 only
(c) 1 and 3 only
(d) 1, 2 and 3
845: Which of the following is a most likely consequence of implementing the 'Unified Payments Interface (UPI)'?

(a) Mobile wallets will not be necessary for online payments.
(b) Digital currency will totally replace the physical currency in about two decades.
(c) FDI inflows will drastically increase.
(d) Direct transfer of subsidies to poor people will become very effective.