1656: Chlorophyll contains:

(a) Beryllium

(b) Calcium

(c) Magnesium

(d) Strontium
1657: Match List I with List II and select the correct answer using the codes given below the Lists :

List I List II

(Important Day) (Date)

I. World Environment Day (A) March 20
II. World Forestry Day (B) June 5
III. World Habitat Day (C) September 16
IV. World Ozone Day (D) October 3
(E) December 10
Codes:

(a) I-B, II-A, III-D, IV-E
(b) I-A, II-B, III-D, IV-C
(c) I-A, II-B, III-C, IV-D
(d) I-B, II-A, III-D, IV-C
1658: When you travel in certain parts of India, you will notice red soil. What is the main reason for this colour ?

(a) Abundance of magnesium
(b) Abundance of phosphates
(c) Presence of ferric-oxides
(d) Accumulated humus
1659: Haemophilia is a hereditary disease carried by

(a) females and expressed by females

(b) females and expressed by males

(c) males and expressed by females

(d) males and expressed by males
1660: Earliest Indian coins belonged to which period?

(a) 5th century B.C.

(b) Ashoka's reign.

(c) 1st century A.D.

(d) 3rd century A.D.