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प्रश्न
Which of the following statement is incorrect?
विकल्प
All green plants and blue green algae are producers.
Green plants get their food from organic compounds.
Producers prepare their own food from inorganic compounds.
Plants convert solar energy into chemical energy.
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उत्तर
Green plants get their food from readymade organic compounds.
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संबंधित प्रश्न
In a food chain of frog, grass, insect and snake, assign trophic level to frog.
In the following food chain, 100 J of energy is available to the lion. How much energy was available to the producer?
Plants → Deer → Lion
Write an aquatic food chain.
What are the various steps of food chain called?
Fill in the following blank with suitable word :
Decomposer organisms are..........in their action.
Explain the terms 'producer' and 'consumer'. Give two examples of producers and two of consumers.
Define decomposers.
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?
Write down a food chain in the sea.
Construct a short foodchain, ending with man.
One of the following is not a consumer. This one is :
(a) giraffe
(b) antelope
(c) algae
(d) alligator
Name the process in which a harmful chemical enters the food chain and gets concentrated at each trophic level.
If 5 joules of energy is available at producer level (plants), then how much energy will be transferred to the lion in the following food chain?
Plants → Goat → Lion
Name two predators of snakes in a food web operating in a forest ecosystem.
Which common pesticide has accumulated in human body in considerable amounts?
A forest ecosystem having a lot of green plants has some foxes, lions and rabbits in it.
(a) Write a food chain comprising all the four organisms mentioned above.
(b) Name (i) one herbivore, and (ii) two carnivores, in this food chain.
(c) Name the link which is a predator as well as a prey.
(d) Name (i) second trophic level, and (ii) third trophic level.
(e) Which link of this food chain can feed on second trophic level as well as third trophic level, independently?
(f) If the sun provides 1000 J of energy to the plants, then how much energy will be transferred to fox through the food chain.
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.
Write the food chain comprising all the organisms mentioned above.
A food chain comprising birds, green plants, fish and man. The concentration of harmful chemical entering the food chain will be maximum in ______.
Animals that eat both plants and animals are called as Carnivores.
Differentiate between herbivores and carnivores.
