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प्रश्न
In a food chain of frog, grass, insect and snake, assign trophic level to frog.
In a food chain of frogs, grass, insects and snakes assign trophic level to frogs. To which category of consumers do they belongs to?
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उत्तर
Grass → Insect → Frog → Snake
Frog is a secondary consumer.
संबंधित प्रश्न
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.
A food chain occurring in the sea which provides food for many people can be written as :
phytoplankton → zooplankton → X → Y
Name two zooplanktons.
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 |
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.
The ten per cent law is associated with
(a) transfer of energy from various trophic levels to decomposers in a food chain
(b) transfer of ATP energy into muscular energy
(c) transfer of chemical energy from one organism to another
(d) transfer of sun's energy to the organisms called producers.
Arrange the following in a correct sequence and form a food chain
Human → Insect → Algae → Fish
Accumulation of non-biodegradable pesticides in the food chain in increasing amount at each higher trophic level is known as
