Advertisements
Advertisements
Question
Match the terms given in column I with the terms given in column II and column III having the same meaning :
| Column I | Column II | Column III |
| (1) Secondary consumer | Herbivore | 1st trophic level |
| (2) Primary consume | Autotroph | 3rd trophic level |
| (3) Producer | Carnivore | 4th trophic level |
| (4) Tertiary consumer | Large carnivore | 2nd trophic level |
Advertisements
Solution
| Column I | Column II | Column III |
| (1) Secondary consumer | Carnivore | 3rd trophic level |
| (2) Primary consumer | Herbivore | 2nd trophic level |
| (3) Producer | Autotroph | 1st trophic level |
| (4) Tertiary consumer | Large carnivore | 4th trophic level |
APPEARS IN
RELATED QUESTIONS
"Energy flow in a food chain is unidirectional" Justify this statement.
List two main components of ecosystem?
The following statement is true or false :
In biology, human beings are called producers.
Fill in the following blank with suitable word :
In nature, all green plants are............ whereas animals are consumers.
Fill in the following blank with suitable word :
A series of organisms, each of which feeds on the next organism, the beginning of which is a green plant, is called a .............
Consider the food chain :
Grass → Deer → Lion
What will happen if all the lions are removed from the above food chain?
Write one or two word for the following statement/definition :
Each level of food chain where transfer of energy takes place
What is a food chain?
Which of the following are decomposers of dead organisms?
| Bacteria | Fungi | Viruses |
| (a) no | yes | yes |
| (b) yes | no | yes |
| (c) yes | yes | no |
| (d) yes | yes | yes |
If a grasshopper is eaten by a frog, then the energy transfer will be from ______.
The following is a food chain that ends with human :
plants → bee → human
How do bees provide food for humans?
The following is a food chain that ends with human :
Do you think that the food chain given in this question can really be regarded as a food chain? Explain your answer.
A food chain occurring in the sea which provides food for many people can be written as :
phytoplankton → zooplankton → X → Y
Name the organism which Y could be.
If a harmful chemical enters a food chain comprising cat, mice and plants, which one of these organisms is likely to have the maximum concentration of the harmful chemical in its body?
A food chain comprises of cat, seed-eating bird, plants, and dog. The organism which will have the maximum concentration of harmful pesticides coming through the food chain is most likely to be :
(a) cat
(b) plants
(c) dog
(d) seed-eating bird
Write the importance of the food chain.
Which of the following is an autotroph?
Observe the food web and answer the questions given below:

Why do all food chains start with plants?
The food chain begins with the energy given by the ______.
DDT was sprayed in a lake to regulate breeding of mosquitoes. How would it affect the trophic levels in the following food chain associated with a lake? Justify your answer.
