4191: Consider the following statements :
I. Most magmas are a combination of liquid, solid and gas.
II. Water vapour and carbon dioxide are the principal gases dissolved in a magma.
III. Basaltic magma is hotter than the silicic magma.
IV. The magma solidified between sedimentary rocks in a horizontal position is known as dike.
Which of these statements are correct ?
(a) I, II and III
(b) II, III and IV
(c) I and IV
(d) I, II and IV
4192: With reference to the use of nano-technology in health sector, which of the following statements is/are correct?
1. Targeted drug delivery is made possible by nanotechnology.
2. Nanotechnology can largely contribute to gene therapy.
Select the correct answer using the code given below.
(a) 1 only
(b) 2 Only
(c) Both 1 and 2
(d) Neither 1 nor 2
4193: Seven persons P, Q, R, S, T, U and V participate in and finish all the events of a series of swimming races. There are no ties at the finish of any of the events. V always finishes somewhere ahead of P. P always finishes somewhere ahead of Q. Either R finishes first and T finishes last or S finishes first and U or Q finishes last. If in a particular race V finished fifth, then which one of the following would be true ?
(a) S finishes first
(b) R finishes second
(c) T finishes third
(d) R finishes fourth
4194: Which one of the following statements is correct ?
The Prime Minister of India
(a) is free to choose his ministers only from among those who are members of either House of the Parliament
(b) can choose his cabinet colleagues after due counselling by the President of India in this regard
(c) has full discretion in the choice of persons who are to serve as ministers in his cabinet
(d) has only limited powers in the choice of his cabinet colleagues because of the discretionary power vested with the President of India
4195: "Khilafat" movement subsided because of the:
(a) Concessions given to Muslims by the British
(b) Amity achieved between Congress and Muslim League
(c) Accession of Kamal Pasha on the throne of Turkey
(d) None of the above