3866: Consider the following statements regarding bones in the human body :
1. They consist of 80% solid matter and 20% water.
2. Solid matter in the bones is made mainly of cartilage.
3. Impregnation of salts including carbonates and phosphates of lime imparts hardness to the bones.
4. In old age, the proportion of lime decreases and bones become brittle and break easily.
Of these statements :
(a) 1, 2 and 3 are correct
(b) 2 and 4 are correct
(c) 2 and 3 are correct
(d) 1, 2, 3 and 4 are correct
3867: With which one of the following is BRIT (Government of India) engaged?
(a) Information Technology
(b) Isotope Technology
(c) Railway Wagons
(d) Road Transport
3868: Decomposition of organic matter is due to:
(a) Virus
(b) Fungi
(c) Bacteria
(d) None of these
3869: Consider the following:
The arrival of Babur into India led to the
1. introduction of gunpowder in the subcontinent
2. introduction of the arch and dome in the region's architecture
3. establishment of Timurid dynasty in the region
Select the correct answer using the code given below.
(a) 1 and 2 only
(b) 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
3870: The first political organisation established in India in 1838 was known as
(a) British India Society
(b) Bengal British India Society
(c) Settlers Association
(d) Zamindary Association