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

List I List II

I. Fruit (A) Ovule
II. Seed (B) Leaf
III. Wood (C) Stem
IV. Starch (D) Ovary

Codes:

(a) I-B, II-A, III-C, IV-D
(b) I-D, II-A, III-C, IV-B
(c) I-B, II-C, III-A, IV-D
(d) I-D, II-C, III-A, IV-B
77: A wheel that has 6 cogs is meshed with a larger wheel of 14 cogs. When the smaller wheel has made 21 revolutions, the number of revolutions made by the larger wheel will be:

(a) 12

(b) 49

(c) 9

(d) 4
78: Charakasamhita is a work on:

(a) Polity

(b) Medicine

(c) Architecture

(d) Mathematics
79: Consider the following pairs :

Tradition State
1. Chapchar Kut festival Mizoram
2. Khongjom Parba ballad Manipur
3. Thong-To dance Sikkim
Which of the pairs given above is/are correct ?
(a) 1 only
(b) 1 and 2
(c) 3 only
(d) 2 and 3
80: Endoscopy, a technique used to explore the stomach or other inner parts of the body is based on the phenomenon of

(a) total internal reflection
(b) interference
(c) diffraction
(d) polarisation