3686: Eco mark is given to the Indian products that are

(a) pure and unadulterated
(b) rich in proteins
(c) environment friendly
(d) economically viable
3687: The identity platform `Aadhaar' provides open "Application Programming Interfaces (APIs)". What does it imply?

1. It can be integrated into any electronic device.
2. Online authentication using iris is possible.
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
3688: India has experienced persistent and high food inflation in the recent past,what could be the reasons?

1.Due to a gradual switchover to the cultivation of commercial crops, the area under the cultivation of food grains has steadily decreased in the last five years by about 30%.

2. As a consequnce of increasing incomes, the consumption patterns of the people have undergone a significant change.

3. The food supply chain has structural constraints.

Which of the statements given above are correct ?

(a) 1 and 2 only
(b) 1 and 3 only
(c) 2 and 3 only
(d) 1, 2 and 3
3689: The Dinesh Goswami Committee was concerned with

(a) de-nationalisation of banks

(b) electoral reforms

(c) steps to put down insurgency in the North-East

(d) the problem of the Chakmas
3690: Consider the following statements:

1. A widely used musical scale called diatonic scale has seven frequencies.

2. The frequency of the note Sa- (lk) is 256 Hz and that of Ni- (uh) is 512 Hz.

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