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The Sea Water Contains Water Beetles, Tadpole, Fish and Weeds. Which Organism is a Secondary Consumer? - Science

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प्रश्न

The sea water contains water beetles, tadpole, fish and weeds.

Which organism is a secondary consumer?

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उत्तर

The water beetle is the secondary consumer in the given food chain.

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पाठ 5: Our Environment - Exercise 1 [पृष्ठ २३०]

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लखमीर सिंह Biology (Science) [English] Class 10
पाठ 5 Our Environment
Exercise 1 | Q 74.5 | पृष्ठ २३०

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संबंधित प्रश्‍न

Give reason to justify the following: Flow of energy in a food chain is unidirectional.


What will happen if we kill all the organisms in one trophic level?


Construct a food chain comprising the following :
Snakes, Hawk, Rats, Plants


Give an example of a four step food chain operating in grassland. Name the secondary consumer in this food chain


Can the organisms of any trophic level be removed without causing any damage to the ecosystem? Will the impact of removing all the organisms in a trophic level be different for different trophic levels?


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 decreased?


Fill in the following blank with suitable word :

 Grass → ........... → Human


Fill in the following blank with suitable word :

Plants → Antelope → ............


What is ten per cent law? Explain with an example.


Calculate the amount of energy that will be available to big fish in the following food chain, if 10,000 J of energy is available to small algae from the sun :
Small algae → Zooplankton → Fish → Big fish


What provides the energy which then flows through a food chain?
(a) glucose
(b) oxygen
(c) respiration
(d) sunlight


Which of the following gets the minimum energy through the food chain in an ecosystem?
(a) carnivore
(b) large carnivore
(c) producer
(d) herbivore


A forest ecosystem having a lot of green plants has some foxes, lions and rabbits in it.
(a) Write a food chain comprising all the four organisms mentioned above.
(b) Name (i) one herbivore, and (ii) two carnivores, in this food chain.
(c) Name the link which is a predator as well as a prey.
(d) Name (i) second trophic level, and (ii) third trophic level.
(e) Which link of this food chain can feed on second trophic level as well as third trophic level, independently?
(f) If the sun provides 1000 J of energy to the plants, then how much energy will be transferred to fox through the food chain.


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.
(a) In which organisms the pesticides enter from the polluted water? What is this level of organisms known as?


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.

Write the food chain comprising all the organisms mentioned above.


Arrange the following in a correct sequence and form a food chain

Rabbit Carrot Eagle Snake


Write the importance of the food chain.


______ obtained energy from the chemical breakdown of dead organisms.


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