मराठी

If the Energy Available at the Producer Level in a Food Chain is 150 J, How Much Energy Will Be Transferred to : Tertiary Consumer? (A) 15 J (B) 10 J (C) 1.50 J (D) 0.15 J - Science

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प्रश्न

If the energy available at the producer level in a food chain is 150 J, how much energy will be transferred to : tertiary consumer?
(a) 15 J
(b) 10 J
(c) 1.50 J
(d) 0.15 J

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उत्तर

1,000 J
According to the 10 per cent law, only 10 per cent of the energy available in one trophic level is transferred to the next trophic level.

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पाठ 5: Our Environment - Exercise 2 [पृष्ठ २४२]

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लखमीर सिंह Biology (Science) [English] Class 10
पाठ 5 Our Environment
Exercise 2 | Q 52 | पृष्ठ २४२

व्हिडिओ ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्‍न

List two main components of ecosystem?


What is the difference between the food habits of organisms belonging to the first and the third trophic levels? Give one example each of the organisms belonging to these two trophic levels.


Write down a food chain which ends with humans.


At which trophic level a person is feeding when he is eating apple.


Construct a short foodchain, ending with man.


Give two differences between food chain and food web.


Which of the following represents a possible food chain found in a pond :

Primary
producers
Primary consumers Secondary
consumers
(a) green algae fish mosquito larvae
(b) fish green algae mosquito larvae
(c) mosquito larvae fish green algae
(d) green algae mosquito larvae fish

 


What will happen if deer is missing in the food chain given below?

Grass → Deer → Tiger


Which of the following is not a producer?
(a) grass
(b) zooplankton
(c) phytoplankton
(d) paddy


The following is a food chain that ends with human :
plants → bee → human

How do bees provide food for humans?


What would happen to the number of grass plants and foxes if the number of rabbits increased?


Fill in the following blank with suitable word :

Lettuce → ............. → Fox


What is meant by bioconcentration of pesticides


Consider the following food chain

(i) Plants → Mice → Snakes → Hawks
(ii) Plants → Mice →Hawks
If energy available at the producer level in both the food chains is 100 J, in which case will hawks get more energy as food and by how much? Justify your answer.:


 Explain why, a food chain usually cannot have more than three or four steps.


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


In an ecosystem, herbivores represent ______.


DDT was sprayed in a lake to regulate breeding of mosquitoes. How would it affect the trophic levels in the following food chain associated with a lake? Justify your answer.

 


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


Which statement is correct with respect to the food chain?


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