941: "Reserprine" derived from the plant "Serpentina" is used to:

(a) Alleviate pains

(b) Alleviate high blood pressure

(c) Alleviate low blood pressure

(d) Cure rickets
942: In the 'Index of Eight Core Industries', which one of the following is given the highest weight?

(a) Coal production
(b) Electricity generation
(c) Fertilizer production
(d) Steel production
943: The last in the succession of Jaina Tirthankaras was

(a) Parsvanatha

(b) Rishabha

(c) Mahavira

(d) Manisubrata
944: Which one of the following organisms is likely to show the highest- concentration of DDT once it has been introduced into the ecosystem ?

(a) Grasshopper
(b) Toad
(c) Snake
(d) Cattle
945: Painted greyware is attributed to

(a) Vedic period

(b) Guptas

(c) Mauryas

(d) Indus valley civilisation