2251: A small weight put on the pressure cooker increases the pressure of steam because:
(a) It is air tight
(b) Area of contact is very small
(c) Density of metal is very high
(d) Pressure builds up irrespective of the weight placed
2252: Assertion (A) :
Floods are a recurring feature in the Indo-Gangetic Plain
Reason (R) :
The Indo-Gangetic Plain is built of porous and soft alluvium
(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true but R is not a correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
2253: Which one of the following pairs of islands is separated from each other by the Ten Degree Channel ?
(a) Andaman and Nicobar.
(b) Nicobar and Sumatra
(c) Maldives and Lakshadweep
(d) Sumatra and Java
2254: Ogaden region has been a source of conflict between which countries?
(a) Angola and Zambia
(b) Morocco and Algeri
(c) Ethiopia and Somalia
(d) Nigeria and Cameroon
2255: Match List-I (New Names of the Countries) with List-II (Old Names of the Countries) and select the correct answer using the codes given below the Lists :
List-I List-II
(New Names ) (Old Names )
A. Benin 1. Nyasaland
B. Belize 2. Basutoland
C. Botswana 3. Bechuanaland
D. Malawi 4. British Honduras
5. Dahomey
Codes:
A B C D
(a) 3 1 2 4
(b) 5 4 3 1
(c) 3 4 2 1
(d) 5 1 3 4