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प्रश्न
The following is a food chain that ends with human :
plants → bee → human
Explain how plants provide food for bees.
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उत्तर
The nectar present in the flowers of plants serves as food for bees. Bees suck nectar from flowers.
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संबंधित प्रश्न
What are trophic levels? Give an example of a food chain and state the different trophic levels in it.
Which organisms belong to third and fourth trophic levels in the food chain comprising the following?
Rats, Plants, Hawk, Snakes
Write down a food chain with five links in it.
Organisms which synthesise carbohydrates from inorganic compounds by using radiant energy are called ______.
Which of the following group of organisms are not constituents of a food chain?
- grass, lion, rabbit, wolf
- plankton, man, fish, grasshopper
- wolf, grass, snake, tiger
- frog, snake, eagle, grass, grasshopper
One of the following is a micro-consumer. This one is :
(a) ant
(b) lice
(c) fungi
(d) mosquito
The sea water contains water beetles, tadpole, fish and weeds.
Which organisms are (i) predators, and (ii) prey?
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.
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
'If we excessively use pesticides to protect the crops from diseases, then it may cause long-term damage to mankind'. Justify this statement.
Which of the following gets the minimum energy through the food chain in an ecosystem?
(a) carnivore
(b) large carnivore
(c) producer
(d) herbivore
A food chain comprises of cat, seed-eating bird, plants, and dog. The organism which will have the maximum concentration of harmful pesticides coming through the food chain is most likely to be :
(a) cat
(b) plants
(c) dog
(d) seed-eating bird
Bacteria and fungi are called decomposers.
Which of the following is a logical sequence of food chain?
The sequence of who eats whom in an ecosystem is called as ______.
Define – Heterotrophs.
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
