3056: Which one among the following rivers is the longest?

(a) Lena
(b) Congo
(c) Amur
(d) Amazon
3057: 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
3058: Assertion (A) :
Drinking of whisky increases the frequency of urination.

Reason (R) :
Alcohol intake speeds up the secretion of vasopressin in the body.

(a) Both A and R are individually true and R is the correct explanation of A
(b) Both A and R are individually 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
3059: It is possible to produce algae based biofuels, but what is/are the likely limitation(s) of developing countries in promoting this industry?

1. Production of algae based biofuels is possible in seas only and not on continents.

2. Setting up and engineering the algae based biofuel production requires high level of expertise/technology until the construction is completed.

3. Economically viable production necessitates the setting up of large scale facilities which may raise ecological and social concerns.

Select the correct answer using the code given below:

a. 1 and 2 only
b. 2 and 3 only
c. 3 only
d. 1, 2 and 3
3060: Which of the following pairs about India's economic indicator and agricultural production (all in rounded figures) are correctly matched?

1. GDP per capita Rs 37,000 (current prices)

2. Rice 180 million tons

3. Wheat 75 million tons

Select the correct answer using the code given below:

(a) 1 and 2 only

(b) 2 and 3 only

(c) 1 and 3 only

(d) I, 2 and 3