71: "A graduate at 18, professor and associated editor of the Sudharak at 20, Secretary of the Sarvajanik Sabha and of the Provincial Conference at 25, Secretary of the National Congress at 29, leading witness before an important Royal Commission at 31, Provincial legislator at 34, Imperial legislator at 36, President of the Indian National Congress at 39......... a patriot whom Mahatma Gandhi himself regarded as his master." This is how a biographer describes

(a) Pandit Madan Mohan Malaviya

(b) Mahadev Govind Ranade

(c) Gopal Krishna Gokhale

(d) Bal Gangadhar Tilak
72: In ancient Indian historical geography the name Ratnakara denoted

(a) the Arabian Sea

(b) the Bay of Bengal

(c) the Indian Ocean

(d) the the confluence of the Ganga, the Yamuna and the mythical Saraswati at Prayaga
73: Assertion (A) :
Dolly was the first cloned mammal.

Reason (R) :
Dolly was produced by in vitro fertilization.

(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
74: Consider the following statements made about the sedimentary rocks :

I. Sedimentary rocks are formed at Earth's surface by the hydrological system.

II. The formation of sedimentary rocks involves the weathering of pre-existing rocks.

III. Sedimentary rocks contain fossils.

IV. Sedimentary rocks typically occur in layers.

Which of these statements are correct ?

(a) I and II
(b) I and IV
(c) II, III and IV
(d) I, II, III and IV
75: When ants bite, they inject

(a) glacial acetic acid
(b) methanol
(c) formic acid
(d) stearic acid