111: 'RNA interference (RNAi)' technology has gained popularity in the last few years. Why?

1. It is used in developing gene silencing therapies.
2. It can be used in developing therapies for the treatment of cancer.
3. It can be used to develop hormone replacement therapies.
3. It can be used to produce crop plants that are resistant to viral pathogens.

Select the correct answer using the code given below.

(a) 1, 2 and 4

(b) 2 and 3

(c) 1 and 3

(d) 1 and 4 only
112: According to Meadows (1972), if the present trends in world population, industrialisation, pollution, food production and resource depletion continue unchanged, the Limits to Growth on our planet will be reached in the next

(a) 50 years

(b) 100 years

(c) 150 years

(d) 200 years
113: Organic Light Emitting Diodes (OLEDs) are used to create digital display in many devices.

What are the advantages of OLED displays over Liquid Crystal displays?

1. OLED displays can be fabricated on flexible plastic substrates.
2. Roll-up displays embedded in clothing can be made using OLEDs.
3. Transparent displays are possible using OLEDs.

Select the correct answer using the code given below

(a) 1 and 3 only
(b) 2 only
(c) 1, 2 and 3
(d) None of the above statements is correct
114: A private company is faced with the problem of setting up a cement plant. Which of the factors given below should be taken into consideration for this venture?

(1) Abundant electricity

(2) Abundant limestone/dolomite

(3) Abundant labour force

(4) Abundant gas

(5) Accessibility to transportation

(6) Abundant coal

Choose the correct answer from the codes given below :

(a) 1,2 and 3 only

(b) 1, 2 and 4 only

(c) 1, 2 and 5 only

(d) 3, 4 and 6 only
115: Which of the following gives Global Gender Gap Index ranking to the countries of the world?

(a) World Economic Forum
(b) UN Human Rights Council
(c) UN Women
(d) World Health Organization