1. Coral bleaching, discoloration of corals, is caused by which of the following
a. Rise in ocean temperatures
b. Ocean acidification
c. Over fishing
2. If coral bleaching happens, what will be the result
a. Corals will loose aesthetic appeal
b. Coral reefs will disappear
3. Carbon footprint is defined as
a. Total amount of carbon consumed by a person/organisation/activity etc
b. Total amount of GHG released by a person/organisation/activity etc
4. In India food grain production is approximately 260 MT. Food grains comprises of which of the following?
a. Rice
b. Wheat
c. Coarse cereals
d. Pulses
5. What are coarse cereals?
a. Rise in ocean temperatures
b. Ocean acidification
c. Over fishing
2. If coral bleaching happens, what will be the result
a. Corals will loose aesthetic appeal
b. Coral reefs will disappear
3. Carbon footprint is defined as
a. Total amount of carbon consumed by a person/organisation/activity etc
b. Total amount of GHG released by a person/organisation/activity etc
4. In India food grain production is approximately 260 MT. Food grains comprises of which of the following?
a. Rice
b. Wheat
c. Coarse cereals
d. Pulses
5. What are coarse cereals?
1.a ,2.a
ReplyDelete1.coral bleaching is caused by all three reasons including over fishing! Interesting see the wiki article regrading this. But coral bleaching is very imp concept.
Delete2.when coral bleaching happens corals will die! because symbiotic relation b/w zooxanthellae (these animals give color to corals) and corals is lost. Aesthetic appeal is not the reason.
3. Ans is b
4.Ans is a+b+c+d= food grains
5. other than rice and wheat are called coarse cereals