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प्रश्न
Why are plants called producers?
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उत्तर
Plants are known as producers because they prepare their food themselves by the process of photosynthesis.
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संबंधित प्रश्न
"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?
Will the impact of removing all the organisms in a trophic level be different for different trophic levels? Can the organisms of any trophic level be removed without causing any damage to the ecosystem?
In the following food chain, plants provide 500 J of energy to rats. How much energy will be available to hawks from snakes?
Plants → Rats → Snakes → Hawks
What will happen if we kill all the organisms in one trophic level?
Write down a food chain which ends with humans.
At which trophic level a person is feeding when he is eating eggs.
Organisms of a higher trophic level which feed on several types of organisms belonging to a number of lower trophic levels constitute the ______.
The sea water contains water beetles, tadpole, fish and weeds.
Which organisms can trap solar energy to make food?
Write the percentage of energy transferred from autotrophs to the next level in a food chain.
Name the process in which a harmful chemical enters the food chain and gets concentrated at each trophic level.
Name two predators of snakes in a food web operating in a forest ecosystem.
Fill in the following blank with suitable word :
Pesticides enter the food chain at the ...........level
Explain how harmful chemicals enter our bodies.
What is meant by bioconcentration of pesticides
What provides the energy which then flows through a food chain?
(a) glucose
(b) oxygen
(c) respiration
(d) sunlight
Most of the water surface of a lake is covered with algae. This algae is part of the food chain which also includes small fish, bird, larvae and big fish. Which of the following will obtain the maximum energy?
(a) big fish
(b) bird
(c) larvae
(d) small fish
A food chain consists of fish, larvae, phytoplanktons and birds. The level of pesticides in water in which the fish, larvae and phytoplanktons live is quite high.
(a) In which organisms the pesticides enter from the polluted water? What is this level of organisms known as?
Bacteria and fungi are called decomposers.
Write the importance of the food chain.
Differentiate between herbivores and carnivores.
