896: Assertion (A) :
An iron ball floats on mercury but gets immersed in water.

Reason (R) :
The specific gravity of iron is more than that of mercury.
(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 a correct explanation of A

(c) A is true but R is false

(d) A is false but R is true
897: India enacted The Geographical Indications of Goods (Registration and Protection) Act, 1999 in order to comply with the obligations to

(a) ILO
(b) IMF
(c) UNCTAD
(d) WTO
898: What is the average fat content of buffalo milk ?

(a) 7.2%
(b) 4.5%
(c) 9.0%
(d) 10.0%
899: Galvanised iron sheets are protected from rusting due to the presence of a layer of

(a) lead

(b) chromium

(c) zinc

(d) tin
900: Due to some reasons, if there is a huge fall in the population of species of butterflies, what could be its likely consequence/consequences?

1. Pollination of some plants could be adversely affected.
2. There could be a drastic increase in the fungal infections of some cultivated plants.
3. It could lead to a fall in the population of some species of wasps, spiders and birds.

Select the correct answer using the code given below:

(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3