741: Lineage is:
(a) A straight line joining any two points on the globe
(b) The line of descendants of a particular ancestor
(c) The paleolithic age
(d) The linking of genes
742: Angora wool is obtained from a breed of
(a) Rabbit
(b) Sheep
(c) Goat
(d) Fox
743: Chlorophyll is a naturally occurring chelate compound in which central metal is
(a) Magnesium
(b) Copper
(c) Calcium
(d) Iron
744: Who is the President of the Council of Scientific and Industrial Reseach?
(a) President of India
(b) Vice-President of India
(c) Prime Minister of India
(d) Union Minister of Science and Technology
745: Which one of the following is NOT radioactive ?
(a) Astatine
(b) Francium
(c) Tritium
(d) Zirconium