4416: 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.
4417: Which one of the following is the landmark performance of Dr. V. Mohan Reddy, an Indian born doctor working in USA, during February, 2005?
(a) Successful brain surgery to revive the function of nearly dead brain of a premature born infant.
(b) Research on genetic engineering which can help in treatment of deadly disease like AIDS.
(c) Research on human stem cell which is likely to revolutionize treatment of deadly disease like cancer.
(d) Successful open heart procedure called arterial switch performed on an infant.
4418: The colour of a star is an indication of its
(a) distance from the sun
(b) luminosity
(c) distance from the earth
(d) temperature
4419: Which one of the following pairs is correctly matched ?
(a) Naqqual : Bihar
(b) Tamasha : Orissa
(c) Ankia Nat : Assam
(d) Baha : Punjab
4420: Out of the following statements, choose the one that brings out the principle underlying the Cabinet form of Government:
(a) An arrangement for minimizing the criticism against the Government whose responsibilities are complex and hard to carry out to the satisfaction of all.
(b) A mechanism for speeding up the activities of the Government whose responsibilities are increasing day by day.
(c) A mechanism of parliamentary democracy for ensuring collective responsibility of the Government to the people.
(d) A device for strengthening the hands of the head of the Government whose hold over the people is in a state of decline.