2011

Question 1

Microbial fuel cells

Answer 1

Living organisms as catalyst to generate electricity

Used in weight water treatment plants to clean water and produce electricity

Question 2

Reason for ozone hole in Antarctic region

Answer 2

Presence of prominent polar front and stratospheric clouds in flow of chlorofluorocarbons

Question 3

Bark of a tree dries up

Answer 3

Roots are starved of energy

Question 4

Use of heavy water in nuclear reactor

Answer 4

Slow down the speed of neutrons

Question 6

Indian parliamentary committee in 1893 setup by

Answer 6

William wedderburn and WS caine

To agitate for political reforms in British house of commons

Question 8

Orchid cultivation in

Answer 8

Arunachal Pradesh

Question 9

Effect of salinization

Answer 9

Make the soil impermeable

Question 10

IMF grants loans only to

Answer 10

Member countries

Question 11

Red Data Book how many categories

Answer 11

9 categories iucn

Question 12

Difference between comet and asteroids

Answer 12

Comets have a glowing tail

Question 13

L