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प्रश्न
The following statement is true or false :
Secondary consumers and tertiary consumers, both are carnivores.
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उत्तर
True.
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संबंधित प्रश्न
Which of the following are always at the second tropic level of food chains?
In the following food chain, plants provide 500 J of energy to rats. How much energy will be available to hawks from snakes?
Plants → Rats → Snakes → Hawks
In the following food chain, 20,000 J of energy was available to the plants. How much energy would be available to man in this chain?
Plants → Sheep → Man
What are planktons?
Write down a food chain which ends with humans.
At which trophic level a person is feeding when he is eating roasted chicken.
At which trophic level a person is feeding when he is eating apple.
Write one or two word for the following statement/definition :
Each level of food chain where transfer of energy takes place
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?
A food chain occurring in the sea which provides food for many people can be written as :
phytoplankton → zooplankton → X → Y
Name one phytoplankton.
What would happen to the number of grass plants and foxes if the number of rabbits increased?
Explain why, the flow of energy in the ecosystem is said to be unidirectional.
Which of the following limits the number of trophic levels in a food chain?
(a) insufficient food supply from producer level
(b) decrease in energy at higher trophic levels
(c) increase in the number of organisms at higher trophic levels
(d) accumulation of harmful chemicals at higher trophic levels
In addition to wheat plants, a crop field ecosystem has organisms such as snake, peacock, eagle and mice. If the wheat plants are sprayed with pesticides periodically, which of the following will have the minimum concentration of pesticides in the body?
(a) snake
(b) eagle
(c) mice
(d) peacock
"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.
Which of the following is a logical sequence of food chain?
Natural agents like ______ are the decomposition factors breaking complex forms into simpler units.
In a food chain, the third trophic level is always occupied by
In the following food chain, vertical arrows indicate the energy lost to the environment and horizontal arrows indicate energy transferred to the next trophic level. Which one of the three vertical arrows (A, C and E) and which one of the two horizontal arrows (B and D) will represent more energy transfer? Give reason for your answer.
A food chain in a forest ecosystem
