3551: Cobalt-60 is commonly used in radiation therapy because it emits
(a) alpha rays.
(b) beta rays.
(c) gamma rays.
(d) X-rays.
3552: In order of their distances from the Sun, which of the following planets lie between Mars and Uranus?
(a) Saturn and Neptune
(b) Saturn and Earth
(c) Earth and Jupiter
(d) Jupiter and Saturn
3553: With reference to the Constitution of India, prohibitions or limitations or provisions contained in ordinary laws cannot act as prohibitions or limitations on the constitutional powers under Article 142. It could mean which one of the following?
(a) The decisions taken by the. Election Commission of India while discharging its duties cannot be challenged in any court of law.
(b) The Supreme Court of India is not constrained in the exercise of its powers by the laws made by Parliament.
(c) In the event of grave financial crisis in the country, the President of India can declare Financial Emergency without the counsel from the Cabinet.
(d) State Legislatures cannot make laws on certain matters without the concurrence of Union Legislature.
3554: The Alamatti Dam is on the river
(a) Godavari
(b) Cauvery
(c) Krishna
(d) Mahanadi
3555: With reference to the recent developments in science, which one of the following statements is not correct?
(a) Functional chromosomes can be created by joining segments of DNA taken from cells of different species.
(b) Pieces of artificial functional DNA can be created in laboratories.
(c) A piece of DNA taken out from an animal cell can be made to replicate outside a living cell in a laboratory.
(d) Cells taken out from plasma and animals can be made to undergo cell division in laboratory petri dishes.