4081: The name of the poet Kalidasa is mentioned in the

(a) Allahabad pillar inscription

(b) Aihole inscription

(c) Alapadu grant

(d) Hanumakonda inscription
4082: Which of the following pairs is/are correctly matched?

1. Francis Collins : Mapping human genome

2. Sergey Brin : Google Search Engine

3. Jimmy Wales : Wikipedia

(a) 1 and 2 only
(b) 3 only
(c) 2 and 3 only
(d) 1, 2 and 3
4083: With reference to Indian history, which of the following is/are the essential elementy elements of the feudal system?

1. A very strong centralized political authority and a very weak provincial or local political authority
2. Emergence of administrative structure based on control and possession of land
3. Creation of lord-vassal relationship between the feudal lord and his overlord

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
4084: If there were no organic life on the Earth, the amount of oxygen in the atmosphere will:

(a) Remain unchanged.

(b) Be approximately hundred per cent.

(c) Be almost nil.

(d) Be approximately fifty per cent.
4085: The great Indian bustard is a/an:

(a) Animal

(b) Reptile

(c) Bird

(d) Mammal