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प्रश्न
Organisms which synthesise carbohydrates from inorganic compounds by using radiant energy are called ______.
विकल्प
decomposers
producers
herbivores
carnivores
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उत्तर
Organisms which synthesise carbohydrates from inorganic compounds by using radiant energy are called producers.
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संबंधित प्रश्न
Draw the food chain with four trophic levels.
At which trophic level a person is feeding when he is eating fish.
Construct a short foodchain, ending with man.
What is a food chain?
Which of the following is not a producer?
(a) grass
(b) zooplankton
(c) phytoplankton
(d) paddy
The sea water contains water beetles, tadpole, fish and weeds.
Which organisms can trap solar energy to make food?
The following is a food chain that ends with human :
plants → bee → human
Explain how plants provide food for bees.
The following is a food chain that ends with human :
How does this food chain differ form a usual food chain involving human such as : plants → goat → human?
Match the terms given in column I with the terms given in column II and column III having the same meaning :
| Column I | Column II | Column III |
| (1) Secondary consumer | Herbivore | 1st trophic level |
| (2) Primary consume | Autotroph | 3rd trophic level |
| (3) Producer | Carnivore | 4th trophic level |
| (4) Tertiary consumer | Large carnivore | 2nd trophic level |
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?
'If we excessively use pesticides to protect the crops from diseases, then it may cause long-term damage to mankind'. Justify this statement.
What provides the energy which then flows through a food chain?
(a) glucose
(b) oxygen
(c) respiration
(d) sunlight
An aquatic food chain comprises of the organisms like tadpoles, weeds, fish and water beetles. The organism which gets the minimum energy through this food chain is :
(a) water beetles
(b) tadpoles
(c) weeds
(d) fish
"Energy flow in food chains is always unidirectional". Justify this statement. Explain how the pesticides enter a food chain and subsequently get into our body.
Observe the food web and answer the questions given below:
Why do all food chains start with plants?
In a food chain, the third trophic level is always occupied by
Which statement is correct with respect to the food chain?
Use of several pesticides which results in excessive accumulation of pesticides in rivers of ponds, is a matter of deep concern. Justify this statement.
