2776: Isotopes of the same element differ in the number of:

(a) Protons

(b) Neutrons

(c) Electrons

(d) Positrons
2777: Match List I with List II and select the correct answer using the codes given below the Lists :

List I--------------------List II

(Person)---------------(Achievement)

I. Deep Sen Gupta---(A) India's youngest International Master in the Sangli International Chess Tournament, 2000

II. P. Hari krishna----(B) The first Indian ever to win a gold in discuss in the World Athletic Championship in Santiago, 2000

III. Seema Antil------ (C) Won the title in the Asian Junior Chess Tournament in Mumbai, 2000

IV. Tejas Bakre ------ (D) Won the Under-12 title in the World Youth Chess Festival in Oropesa, 2000

Codes:

(a) I-D, II-C, III-B, IV-A
(b) I-B, II-D, III-A, IV-C
(c) I-D, II-A, III-B, IV-C
(d) I-B, II-A, III-C, IV-D
2778: As regards the use of international food safety standards as reference point for the dispute settlements, which one of the following does WTO collaborate with?

(a) Codex Alimentarius Commission

(b) International Federation of Standard Users

(c) International Organization for Standardization

(d) World Standards Cooperation
2779: In the given figure, the site of the Tehri dam has been labelled as

(a) A
(b) B
(c) C
(d) D
2780: River Luni drains into:

(a) Ganga delta

(b) Kerala coast

(c) Rann of Kutchh

(d) Godavari delta