746: Consider the following statements:
1. Non-function of lachrymal gland is an important symptom of deficiency of Vitamin A.
2. Deficiency of Vitamin B1 can lead to indigestion and heart enlargement.
3. Vitamin C deficiency can lead to pain in the muscles.
4. Deficiency of Vitamin D causes increased loss of Ca++ in urine.
Which of the statements given above are correct?
(a) 1 and 2
(b) 2, 3 and 4
(c) 1, 3 and 4
(d) 1, 2, 3 and 4
747: The appointment of the Judges of Supreme Court is done by
(a) The Prime Minister on the advice of the Union Cabinet
(b) The President in consultation with the Chief Justice of India
(c) The Prime Minister in consultation with the Chief Justice
(d) The President in consultation with the Law Commission of India
748: In the structure of planet Earth, below the mantle, the core is mainly made up of which one of the following?
(a) Aluminium
(b) Silicon
(c) Iron
(d) Chromium
749: In how many ways can four children be made to stand in a line such that two of them, A and B are always together ?
(A) 12
(B) 6
(C) 18
(D) 24
750: For India, China, the UK and the USA, which one of the following is the correct sequence of the median age of their populations?
(a) India < China < USA < UK
(b) China < India < UK < USA
(c) China < India < USA < UK
(d) India < China < UK < USA