2111: Which of the following was the principal article of food of the Indus Valley people?
(a) Fish
(b) Palm-date
(c) Eggs
(d) Wheat
2112: India's contribution to Mathematics includes:
1. Number system
2. Decimal system
3. Concept of zero
(a) 1, 2 & 3
(b) 1 & 2
(c) 2 & 3
(d) 1 & 3
2113: Suppose a rocketship is receding from the earth at a speed of 2/10th the velocity of light. A light in the rocketship appears blue to the passengers on the ship. What colour would it appear to an observer on the earth?
(a) Blue
(b) Orange
(c) Yellow
(d) Yellow-orange
2114: Lucerne is a:
(a) Foliage crop
(b) Cereal crop
(c) Fruit crop
(d) Fibre crop
2115: Which of the following, grants direct credit assistance to the households?
1. Regional Rural Banks
2. National Bank for Agriculture and Rural Development
3. Land Development Banks
Select the correct answer using codes given below.
(a) 1 and 2 only
(b) 2 only
(c) 1 and 3 only
(d) 1, 2 and 3