4211: Match List I with List II and select the correct answer using the codes given below the lists :

List I (Disease)
I. Malaria
II. Poliomyelitis
III. Tuberculosis
IV. Ringworm

List II (Organism)
(A) Fungi
(B) Bacteria
(C) Virus
(D) Protozoan

Codes:
(a) I-D, II-C, III-B, IV-A
(b) I-D, II-C, III-A, IV-B
(c) I-C, II-D, III-A, IV-B
(d) I-C, II-D, III-B, IV-A
4212: If water pollution continues at its present rate, it will eventually

(a) stop water cycle

(b) prevent precipitation

(c) make oxygen molecules unavailable to water plants

(d) make nitrate unavailable to water plants
4213: The internal antenna of a transistor set is made of:

(a) Iron

(b) Ferro-chrome

(c) Copper

(d) Alnico
4214: The following are the rulers of the slave dynasty:

I. Ghiyas-ud-din Balban

II. Iltutmish

III. Qutb-ud-din Aibak

IV. Nasir-ud-din Mahmud

The correct order in which these sultans ruled over India is

(a) II, III, I, IV

(b) I, IV, II, III

(c) IV, I, II, III

(d) III, II, IV, I
4215: The saliva helps in the digestion of:

(a) Starch

(b) Proteins

(c) Fibres

(d) Fats