3021: Man passed from the food gathering stage to the food producing stage in the:

(a) Neolithic Age

(b) Mesolithic Age

(c) Chalcolithic Age

(d) Palaeolithic Age
3022: Which animal has the heaviest heart ?

(a) Horse

(b) Cow

(c) Sheep

(d) Dog
3023: Match List I with List II and select the correct answer using the codes given below the lists :

List I List II

I. Potassium bromide (A) Fertiliser
II. Potassium nitrate (B) Photography
III. Potassium sulphate (C) Bakery
IV. Mono-potassium tartarate (D) Gunpowder

Codes:

(a) I-B, II-D, III-A, IV-C

(b) I-B, II-D, III-C, IV-A

(c) I-D, II-B, III-C, IV-A

(d) I-D, II-B, III-A, IV-C
3024: The principal cause of soil damage in Punjab and Haryana is:

(a) Salinity and water-logging

(b) Deforestation

(c) Ravine erosion

(d) Overgrazing
3025: Why is the Government of India disinvesting its equity in the Central Public Sector Enterprises (CPSEs)?

1. The Government intends to use the revenue earned from the disinvestment mainly to pay back the external debt.

2. The Government no longer intends to retain the management control of the CPSEs.

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