4291: Higher plants take up Nitrogen as:

(a) Nitrites only

(b) Nitrates only

(c) Nitrates and ammonia

(d) Urea
4292: Consider the following statements

1. The Executive Power of the Union of India is vested in the Prime Minister.
2. The Prime Minister is the ex officio Chairman of the Civil Services Board.

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
4293: Match List I with List II and select the correct answer using the codes given below the Lists :

List I List II

(Institute) (Location)

I. Central Institute of Medicinal and Aromatic Plants (A) Chandigarh
II. Centre for DNA Finger Printing and Diagnostics (B) Hyderabad
III. Institute of Microbial Technology (C) New Delhi
IV. National Institute of Immunology (D) Lucknow

Codes:

(a) I-B, II-D, III-A, IV-C
(b) I-D, II-B, III-A, IV-C
(c) I-B, II-D, III-C, IV-A
(d) I-D, II-B, III-C, IV-A
4294: We can know about early Vedic period from:

(a) Archaeological excavations

(b) Contemporary cultures

(c) Rigveda

(d) Jatak Katha
4295: Solution of washing soda in water is:

(a) Acidic

(b) Basic

(c) Neutral

(d) Sour