MEDIUM
10th CBSE
IMPORTANT
Earn 100
Write down a food chain:
(a) In the sea.
(b) Which ends with humans.
(c) With five links in it.
Important Questions on Our Environment
MEDIUM
10th CBSE
IMPORTANT
At which trophic level a person is feeding when he is eating:
(a) roasted chicken
(b) bread
(c) eggs
(d) apple
(e) fish
EASY
10th CBSE
IMPORTANT
A student went to study a local pond. In one part of the pond she noticed tadpoles scraping at some pond weed. In another part she saw a water beetle holding a tadpole in its jaws.
(a) Construct a food chain for the pond.
(b) How many links are there in this chain?
MEDIUM
10th CBSE
IMPORTANT
Construct
(a) a long food chain, and
(b) a short food chain, ending with a man.
MEDIUM
10th CBSE
IMPORTANT
(a) State one advantage of using jute bags over plastic bags for shopping.
(b) Write a common food chain of a pond ecosystem having four links.
MEDIUM
10th CBSE
IMPORTANT
We do not clean ponds or lakes, but an aquarium needs to be cleaned periodically. Why?
MEDIUM
10th CBSE
IMPORTANT
What will be the consequence of the absence of decomposers in the ecosystem?
MEDIUM
10th CBSE
IMPORTANT
Give two differences between food chain and food web.
MEDIUM
10th CBSE
IMPORTANT
Write one or two words for the statement/definition given below.
Each level of the food chain where the transfer of energy takes place. (Trophic level/Energy level)
