Advertisements
Advertisements
Question
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
Solution
fish
As fish are in the top trophic level in an aquatic food chain, they get the minimum energy, according to the 10 per cent law.
APPEARS IN
RELATED QUESTIONS
Give reason to justify the following: The existence of decomposers is essential in a biosphere.
In the following food chain, 100 J of energy is available to the lion. How much energy was available to the producer?
Plants → Deer → Lion
At which trophic level a person is feeding when he is eating roasted chicken.
A food chain occurring in the sea which provides food for many people can be written as :
phytoplankton → zooplankton → X → Y
Name one phytoplankton.
Name the process in which a harmful chemical enters the food chain and gets concentrated at each trophic level.
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
A food chain consists of fish, larvae, phytoplanktons and birds. The level of pesticides in water in which the fish, larvae and phytoplanktons live is quite high.
Which other organism you could write in place of bird in the above food chain?
What are decomposers? What will be the consequence if the decomposers are completely eradicated from an ecosystem? Give justification in support of your answer.
What will happen if deer is missing in the food chain given below?
Grass → Deer → Tiger
