2146: Unit of distance used in navigation is:

(a) Nautical mile

(b) Kilometre

(c) Light year

(d) Yard
2147: Consider the following statements:

1. Asiatic lion is naturally found in India only.
2. Double-humped camel is naturally found in India only.
3. One-horned rhinoceros is naturally found in India only.

Which of the statements given above is/are correct?

(a) 1 only

(b) 2 only

(c) 1 and 3 only

(d) 1, 2 and 3
2148: Consider the following statements:

1. Agricultural soils release nitrogen oxides into environment.
2. Cattle release ammonia into environment.
3. Poultry industry releases reactive nitrogen compounds environment.

Which of the statements given above is/arc correct?

(a) 1 and 3 only

(b) 2 and 3 only

(c) 2 only

(d) 1, 2 and 3
2149: 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
2150: The mind of the makers of the Constitution of India is reflected in which of the following?

(a) The Preamble
(b) The Fundamental Rights
(c) The Directive Principles of State Policy
(d) The Fundamental Duties