1476: Antigen is a substance which
(a) destroys harmful bacteria
(b) is used to treat poisoning
(c) lowers body-temperature
(d) stimulates formation of antibody
1477: Who of the following founded a new city on the south bank of a tributary to river Krishna and undertook to rule his new kingdom as the agent of a deity to whom all the land south of the river Krishna was supposed to belong?
(a) Amoghavarsha I
(b) Ballala II
(c) Harihara I
(d) Prataparudra II
1478: Which one of the following is a membrane that protects the developing embryo from desiccation ?
(a) Amnion
(b) Allantois
(c) Chorion
(d) Yolk sac
1479: Assertion (A) :
An iron ball floats on mercury but gets immersed in water.
Reason (R) :
The specific gravity of iron is more than that of mercury.
(a) Both A and R are individually true and R is the correct explanation of A
(b) Both A and R are individually 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
1480: One of the reasons for India's occupational structure remaining more or less the same over the years has been that
(a) Investment pattern has been directed towards capital intensive industries
(b) Productivity in agriculture has been high enough to induce people to stay with agriculture
(c) Ceiling on land holdings have enabled more people to own land and hence their preference to stay with agriculture
(d) People are largely unaware of the significance of transition from agriculture to industry for economic development