841: Which of the following metals is extracted from the Monazite sand found in plenty in India ?
(a) Gold
(b) Uranium
(c) Thorium
(d) Copper
842: Hybridoma technology is a new biotechnological approach for commercial production of
(a) monoclonal antibodies
(b) interferon
(c) antibodies
(d) alcohol
843: A cuboid has six sides of different colours. The red side is opposite to black. The blue side is adjacent to white. The brown side is adjacent to blue. The red side is face down. Which one of the following would be the opposite to brown?
(A) Red
(B) Black
(C) White
(D) Blue
844: Which one of the following statements is correct ?
(a) All the members of the Rajya Sabha are elected by State Legislative Assemblies
(b) As the Vice-President is the ex-officio Chairman of the Rajya Sabha, only a member of the Rajya Sabha can contest for the office of the Vice-President
(c) A point of difference between the Lok Sabha and the Rajya Sabha is that while a candidate to the Lok Sabha can contest from any State in India, a candidate to the Rajya Sabha should ordinarily be are resident of the State from where he is contesting
(d) The Constitution of India explicitly prohibits the appointment of a nominated member of Rajya Sabha to the post of a minister
845: Assertion (A) :
The Aham and Puram poems of the Padinen Kilukanakku group formed a continuation of the Sangam composition.
Reason (R) :
They were included under the Post-Sangam works as against the Sangam works proper.
(a) Both A and R are true, and R is the correct explanation of A
(b) Both A and R are 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