751: Which of the following pairs are correctly matched ?
I. Mrichchakatikam Shudraka
II. Buddhacharita Vasuvandhu
III. Mudrarakshasha Vishakhadatta
IV. Harshacharita Banabhatta
Select the correct answer using the codes given below :
Codes:
(a) I, II, III and IV
(b) I, III and IV
(c) I and IV
(d) II and III
752: Why does the Government of India promote the use of 'Neem-coated Urea' in agriculture?
(a) Release of Neem oil in the soil increases nitrogen fixation by the soil microorganisms
(b) Neem coating slows down the rate of dissolution of urea in the soil
(c) Nitrous oxide, which is a greenhouse gas, is not at all released into atmosphere by crop fields
(d) It is a combination of a weedicide and a fertilizer for particular crops
753: Among living organisms, which one of the following is the most responsible factor for bringing about the origin of a new species?
(a) Isolation
(b) Mutation
(c) Natural Selection
(d) Sexual Reproduction
754: Reading of the barometer going down is an indication of:
(a) Storm
(b) Rainfall
(c) Snow
(d) Intense heat
755: If a block of gold weighing 100 gm in air is immersed in water with a string tied to a spring balance, what could be the probable weight indicated by the spring balance?
(a) Less than 100 gm
(b) Equal to 100 gm
(c) More than 100 gm
(d) Double of 100 gm