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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
List two important roles play in the environment by decomposers.
Write an aquatic food chain.
At which trophic level a person is feeding when he is eating eggs.
At which trophic level a person is feeding when he is eating apple.
Construct a short foodchain, ending with man.
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?
One of the following is not a consumer. This one is :
(a) giraffe
(b) antelope
(c) algae
(d) alligator
The sea water contains water beetles, tadpole, fish and weeds.
Which organisms in the food chain are herbivore, and carnivores?
Some hunters are roaming in the plush green forest of Africa. They spot a deer and kill it. They decide to roast the deer there and then and eat it. When the hunters had just finished enjoying the feast of roasted deer, a lion attacks them. The lion kills one of the hunters and eats his flesh.
(a) write a food chain which provides food to lion in this case.
(b) Which animal (other than deer) the lion could look for food if he did not get the hunter as prey?
(c) Which other animal in the forest could have been in place of lion?
(d) How does the above food chain differ form the food chain such as : plants → goat → man?
The following statement is true or false :
Only 10 per cent of the light energy given by the sun is available for transfer at each higher trophic level in a food chain.
Fill in the following blank with suitable word :
Lettuce → ............. → Fox
Fill in the following blank with suitable word :
Plants → Antelope → ............
Explain how harmful chemicals enter our bodies.
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
Give one example of a food chain in an aquatic ecosystem?
______ are organisms that are able to produce their own organic food.
Each level in the food chain is called a ______ level.
In the given food chain, suppose the amount of energy at the fourth trophic level is 5 kJ, what will be the energy available at the producer level?
Grass → Grasshopper → Frog → Snake → Hawk
What will happen if deer is missing in the food chain given below?
Grass → Deer → Tiger
