Advertisements
Advertisements
At which trophic level a person is feeding when he is eating roasted chicken.
Concept: undefined >> undefined
At which trophic level a person is feeding when he is eating bread.
Concept: undefined >> undefined
Advertisements
At which trophic level a person is feeding when he is eating eggs.
Concept: undefined >> undefined
At which trophic level a person is feeding when he is eating apple.
Concept: undefined >> undefined
At which trophic level a person is feeding when he is eating fish.
Concept: undefined >> undefined
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?
Concept: undefined >> undefined
Construct a long food chain.
Concept: undefined >> undefined
Construct a short foodchain, ending with man.
Concept: undefined >> undefined
Write a common food chain of a pond ecosystem having four links.
Concept: undefined >> undefined
Give two differences between food chain and food web.
Concept: undefined >> undefined
Write one or two word for the following statement/definition :
Each level of food chain where transfer of energy takes place
Concept: undefined >> undefined
Write one or two word for the following statement/definition :
Organisms which depend on the producers for food either directly or indirectly
Concept: undefined >> undefined
Give one example of a simple food chain.
Concept: undefined >> undefined
What is a 'food web'? Show its formation.
Concept: undefined >> undefined
In a food chain, the initial organism is usually :
(a) photosynthetic
(b) herbivore
(c) saprophytic
(d) parasitic
Concept: undefined >> undefined
Which of the following represents a possible food chain found in a pond :
| Primary producers |
Primary consumers | Secondary consumers |
| (a) green algae | fish | mosquito larvae |
| (b) fish | green algae | mosquito larvae |
| (c) mosquito larvae | fish | green algae |
| (d) green algae | mosquito larvae | fish |
Concept: undefined >> undefined
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 |
Concept: undefined >> undefined
In a food chain, the third trophic level is always occupied by :
(a) carnivores
(b) herbivores
(c) decomposers
(d) producers
Concept: undefined >> undefined
If a grasshopper is eaten by a frog, then the energy transfer will be from ______.
Concept: undefined >> undefined
