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प्रश्न
Construct a food chain comprising the following :
Snakes, Hawk, Rats, Plants
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उत्तर
Plants → Rats → Snakes → Hawks
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संबंधित प्रश्न
In a food chain of frog, grass, insect and snake, assign trophic level to frog.
"Our food grains such as wheat and rice, the vegetables and fruits and even meat are found to contain varying amounts of pesticide residues." State the reason to explain how and why it happens?
What will happen if we kill all the organisms in one trophic level?
Explain how the pesticides enter a food chain and subsequently get into our body.
Which category of organisms forms the starting point of a food chain?
Name the organisms belonging to the second and the fourth trophic levels in the food chain comprising the following :
Frogs, Plants, Snakes, Hawk, Insects
What are the various steps of food chain called?
Which organisms belong to third and fourth trophic levels in the food chain comprising the following?
Rats, Plants, Hawk, Snakes
Draw the food chain with four trophic levels.
Can the organisms of any trophic level be removed without causing any damage to the ecosystem? Will the impact of removing all the organisms in a trophic level be different for different trophic levels?
At which trophic level a person is feeding when he is eating fish.
Write one or two word for the following statement/definition :
Each level of food chain where transfer of energy takes place
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 |
In the figure given alongside, the various trophic levels are shown in the form of a pyramid. At which trophic level the maximum energy is available?
The sea water contains water beetles, tadpole, fish and weeds.
Which organisms are (i) predators, and (ii) prey?
A food chain occurring in the sea which provides food for many people can be written as :
phytoplankton → zooplankton → X → Y
Name one phytoplankton.
Give one example of a food chain having four organisms. Below each organism write the three appropriate terms from the part (a) above which you think it represents.
In a food chain consisting of grass, frog, bird and insects, where will the concentration of the harmful chemicals be maximum?
What provides the energy which then flows through a food chain?
(a) glucose
(b) oxygen
(c) respiration
(d) sunlight
Animals that eat both plants and animals are called as Carnivores.
