Our Environment (10)
Ecosystem - Components; Food Chains and Webs; Ozone Layer; Managing Garbage
Write one difference between biodegradable and non-biodegradable
Write one difference between biodegradable and non-biodegradable wastes. List two impacts of each type of the accumulated waste on environment if
...Use of several pesticides which results in excessive accumulation
Use of several pesticides which results in excessive accumulation of pesticides in rivers or ponds, is a matter of deep concern. Justify
...What will happen if the deer are missing in the following food chain
What will happen if the deer are missing in the following food chain?
Grass → Deer → Tiger
...State one ill-effect of the absence of decomposers from a natural ecosystem
State one ill-effect of the absence of decomposers from a natural ecosystem.
Why are the human beings most adversely affected by bio-magnification
Why are the human beings most adversely affected by bio-magnification?
Name the group of organisms which form in the first trophic level of all food chains
Name the group of organisms which form in the first trophic level of all food chains. Why are they called so ?
We do not clean pond in the same manner as we do in an aquarium
"We do not clean pond in the same manner as we do in an aquarium" Give reason to justify this statement
What is ozone? How is it formed in the upper layers of the Earth's atmosphere
What is ozone ? How is it formed in the upper layers of the Earth's atmosphere ? How does ozone affect our ecosystem ?
What is biodiversity ? What will happen if biodiversity of an area is not preserved
What is biodiversity ? What will happen if biodiversity of an area is not preserved ? Mention one effect of it.
What will be the amount of energy available to the organisms of the 2nd trophic level of a food chain
What will be the amount of energy available to the organisms of the 2nd trophic level of a food chain, if the energy available at the first
...Students in a school listened to the news read in the morning assembly that the mountain of garbage in Delhi
Students in a school listened to the news read in the morning assembly that the mountain of garbage in Delhi, suddenly exploded and various
...Write the essential function performed by ozone at the higher levels of the Earth’s atmosphere
Write the essential function performed by ozone at the higher levels of the Earth’s atmosphere ? How is it produced ? Name the synthetic
...