821: Which one of the following pairs of cities has recently been connected through a 6-lane express way ?

(a) Ahmedabad : Vadodara
(b) Dhaka : Chittagong
(c) Islamabad : Lahore
(d) Mumbai : Pune
822: Consider the following statements :

1. In the year 2006, India successfully tested a full-fledged cryogenic stage in rocketry.

2. After USA, Russia and china, India is the only country to have acquired the capability for use of cryogenic stage in rocketry.

Which of the statements given above is are correct ?

(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
823: Due to improper/indiscriminate disposal of old and used computers or their parts, which of the following are released into the environment as e-waste?

1. Beryllium
2. Cadmium
3. Chromium
4. Heptachlor
5. Mercury
6. Lead
7. Plutonium

Select the correct answer using codes given below.

(a) 1, 2, 3, 5 and 6 only
(b) 2, 4, 5 and 7 only
(c) 1, 3, 4, 6 and 7 only
(d) 1, 2, 3, 4, 5, 6 and 7
824: In the context of Indian economy, 'Open Market Operations' refers to

(a) borrowing by scheduled banks from the RBI

(b) lending by commercial banks to industry and trade

(c) purchase and sale of government securities by the RBI

(d) None of the above
825: Consider the following statements :

Chlorofluorocarbons, known as ozone-depleting substances, are used

1. in the production of plastic foams

2. in the production of tubeless tyres

3. in cleaning certain electronic components

4. as pressurizing agents in aerosol cans

Which of the statements given above is/are correct?

(a) 1, 2 and 3 only
(b) 4 only
(c) 1, 3 and 4 only
(d) 1, 2, 3 and 4