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प्रश्न
Give an example of a four step food chain operating in grassland. Name the secondary consumer in this food chain
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उत्तर
Grass → Insect → Frog → Eagle
The secondary consumer in this food chain is the frog.
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संबंधित प्रश्न
Which of the following are always at the second tropic level of food chains?
The first trophic level in a food chain is always a green plant. Why ?
Construct a food chain comprising the following :
Snakes, Hawk, Rats, Plants
What is meant by a primary consumer, secondary consumer and a tertiary consumer? Give one example of each.
Draw the food chain with four trophic levels.
Write down a food chain in the sea.
At which trophic level a person is feeding when he is eating apple.
What is a 'food web'? Show its formation.
Organisms which synthesise carbohydrates from inorganic compounds by using radiant energy are called ______.
A food chain occurring in the sea which provides food for many people can be written as :
phytoplankton → zooplankton → X → Y
Which organism in the above food chain is a (1) primary consumer, and (2) tertiary consumer?
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.
What provides the energy which then flows through a food chain?
(a) glucose
(b) oxygen
(c) respiration
(d) sunlight
What percentage of sun's energy falling on the leaves of green plants is utilised by the plants in the process of photosynthesis and stored as chemical energy of food?
(a) 99 per cent
(b) 10 per cent
(c) 1 per cent
(d) 20 per cent
The harmful chemical which is accumulating in human beings through food chain is :
(a) benzenehexachloride
(b) dichlorodiphenyltrichloroethane
(c) chlorofluorocarbon
(d) abscisic acid
What would happen if an organism is removed from the food chain?
In an ecosystem, herbivores represent ______.
Which of the following is a logical sequence of food chain?
Differentiate between herbivores and carnivores.
If a harmful chemical enters a food chain comprising peacocks, plants, rats and snakes, which of these organisms is likely to have the highest concentration of the chemical in its body? Justify your answer. Name the process involved and define it.
