101: When the bark of a tree is removed in a circular fashion all around near its base, it gradually dries up and dies because
(a) Water from soil cannot rise to aerial parts
(b) Roots are starved of energy
(c) Tree is infected by soil microbes
(d) Roots do not receive oxygen for respiration
102: Who was the leader of the Ghadar Party?
(a) Bhagat Singh
(b) Lala Hardayal
(c) Bal Gangadhar Tilak
(d) V. D. Savarkar
103: Match List I with List II and select the correct answer by using the codes given below the lists :
List I-------List II
(Minerals)-- (Typical areas of Occurrence)
I. Coal----- (A) Bhandara
II. Gold-----(B) Karanpura
III. Mica----(C) Hutti
IV. Manganese--- (D) Nellore
Codes:
(a) I-A, II-C, III-B, IV-D
(b) I-B, II-C, III-D, IV-A
(c) I-C, II-D, III-B, IV-A
(d) I-B, II-A, III-D, IV-C
104: Assertion (A) : There are no tea plantations in any African country.
Reason (R) : Tea plants need fertile soil with high humus.
(a) Both A and R are individually true and R is the correct explanation of A
(b) Both A and R are individually true but R is not the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
105: Which one of the following is the correct sequence of the given continents in the decreasing order of their percentage of Earth's land?
(a) North America-Africa-South America-Europe
(b) Africa-North America-South America-Europe
(c) North America-Africa-Europe-South America
(d) Africa-North America-Europe-South America