Advertisements
Advertisements
प्रश्न
Which of the following gets the minimum energy through the food chain in an ecosystem?
(a) carnivore
(b) large carnivore
(c) producer
(d) herbivore
Advertisements
उत्तर
large carnivore
As large carnivores are at the upper trophic levels, they get the minimum energy through the food chain, according to the 10 per cent law.
APPEARS IN
संबंधित प्रश्न
List two biotic components of a biosphere.
List two main components of ecosystem?
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
Explain how the pesticides enter a food chain and subsequently get into our body.
Which of the following belong to the same trophic level?
Goat ; Spider ; Plants ; Hawk ; Rat
What are the various steps of food chain called?
Explain the terms 'producer' and 'consumer'. Give two examples of producers and two of consumers.
What is the role of decomposers in the ecosystem?
Consider the food chain :
Grass → Deer → Lion
What will happen if all the lions are removed from the above food chain?
Write down a food chain in the sea.
At which trophic level a person is feeding when he is eating roasted chicken.
Construct a short foodchain, ending with man.
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
Which organism in the above food chain is a (1) primary consumer, and (2) tertiary consumer?
Fill in the following blank with suitable word :
Plants → Antelope → ............
What is ten per cent law? Explain with an example.
Give one example of a food chain in an aquatic ecosystem?
A food chain comprising birds, green plants, fish and man. The concentration of harmful chemical entering the food chain will be maximum in ______.
In the following food chain, only 2J of energy was available to the peacocks. How much energy would have been present in Grass? Justify your answer.
GRASS → GRASS HOPPER → FROG → SNAKE → PEACOCK
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.
