2171: The area of an ellipse is twice that of a circle. The major diameter of the ellipse is twice that of the minor diameter. The radius of the circle is
(a) 50% of minor diameter of the ellipse
(b) 50% of major diameter of the ellipse
(c) minor diameter of the ellipse
(d) major diameter of the ellipse
2172: Which of the following is/are the principal feature(s) of the Government of India Act, 1919?
1. Introduction of dyarchy in the executive government of the provinces
2. Introduction of separate communal electorates for Muslims
3. Devolution of legislative authority by the centre to the provinces
Select the correct answer using the codes given below :
(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
2173: The following are the events in national movement:
I. Champaran Satyagraha
II. Non-Cooperation Movement
III. Quit India Movement
IV. Dandi March
The correct chronological order is
(a) I, II, IV, III
(b) II, I, III, IV
(c) III, II, I, IV
(d) II, III, I, IV
2174: Antyodaya scheme aims at:
(a) To uplift the poorest sections of the society
(b) To provide drinking water to Harijans
(c) To implement reservation policy for Scheduled Castes and Scheduled Tribes
(d) To allot land to marginal farmers
2175: Match List I (Drugs / Chemicals) with List II (Their uses) and select the correct answer using the codes given below the Lists :
List I---------------List II
I. Atropine---------(A) Local anaesthesia
II. Ether------------(B) Heart trouble
III. Nitroglycerine---(C) Dilation of pupil
IV. Pyrethrin--------(D) Mosquito control
Codes:
(a) I-A, II-C, III-B, IV-D
(b) I-A, II-C, III-D, IV-B
(c) I-C, II-A, III-D, IV-B
(d) I-C, II-A, III-B, IV-D