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Ecosystems and Energy Flow Mocktest MHT-CET 2023

Ecosystems and Energy Flow is an important chapter as its weightage for MHT-CET 2023 is about 2% from 12th biology syllabus

Ecosystems and Energy Flow includes the following sub-topics:

  • Ecosystem
  • Energy Flow
  • Eecological Pyramids
  • Nutrient Cycles
  • Ecological Succession
  • Ecological Services

Before starting the test make sure to prepare all the above topics of Ecosystems and Energy Flow.

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Ecosystems and Energy Flow (Biology)

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1 / 40

The term ecosystem was coined by

2 / 40

Vertical distribution of different species occupying different levels in a biotic community is known as

3 / 40

The spatial pattern of density and distribution of species along a horizontal gradient is called as

4 / 40

Gross primary productivity is the rate of production of ____during photosynthesis.

5 / 40

In an ecosystem, the rate of production of organic matter during photosynthesis is termed as

6 / 40

The energy which is present in the biomass of plant is known as _____

7 / 40

Net primary productivity (NPP) in an ecosystem is

8 / 40

Which one of the following ecosystem has the highest annual net primary productivity?

9 / 40

If 20 joules of energy is available at the producer level as net primary productivity, then amount of energy available in secondary carnivore in joules is

10 / 40

Secondary productivity is the rate of formation of new organic matter by

11 / 40

During the process of decomposition, in which stage does complete organic matter get converted into inorganic ions and salts by fungi?

12 / 40

Detritivores like earthworm, breakdown detritus into smaller particles. This process is called

13 / 40

Which one of the following processes during decomposition is CORRECTLY described?

14 / 40

Of the total incident solar radiation, the percentage Photosynthetically Active Radiation (PAR) captured by plants

15 / 40

The pyramid that cannot be inverted in a stable ecosystem, is pyramid of

16 / 40

What type of ecological pyramid would be obtained with the following data?

Secondary consumer : 120g
Primary consumer : 60g
Primary producer : 10g

17 / 40

Which ecosystem has the maximum biomass?

18 / 40

Earthworm is a

19 / 40

Natural reservoir of phosphorus is

20 / 40

The simplest of all nutrient cycles operating in an ecosystem is ___ cycle

21 / 40

Identify the INCORRECT statement from the following:

22 / 40

In an ecological succession the pioneers are generally _____

23 / 40

which of the following would appear as the pioneer organisms on bare rocks?

24 / 40

Which of the following event does not lead into secondary succession?

25 / 40

Secondary succession takes place on/in

26 / 40

In hydroseric succession, which stage comes just before sedge meadow stage?

27 / 40

Which of the following is the correct trend in hydroseric succession?

28 / 40

The pioneer species in xerarch and hydrarch succession are respectively

29 / 40

The xerarch succession of organisms is seen in _____

30 / 40

Which is the pioneer stage during secondary succession in a forest ecosystem after fire

31 / 40

_____ is released as a byproduct of photosynthesis

32 / 40

_____ is a reservoir of carbon.

33 / 40

Decomposers are

34 / 40

The amount of energy available ____ at each successive tropic level.

35 / 40

Natural interconnections of food chains make it a food

36 / 40

Omnivores eat

37 / 40

Humus formation improves soil in improving

38 / 40

Detritus food chain starts from

39 / 40

In an ecosystem, fungi is grouped as

40 / 40

Which of the following zones is a good habitat for Savannah and Clapper Rail?

Your score is

The average score is 51%


Mocktest of Ecosystems and Energy Flow is live!

  • Name of test :Ecosystems and Energy Flow
  • Subject Biology(12th)
  • Marks per question : 2 marks
  • No. of questions : 40 questions
  • Total marks of test 80 marks

Domocktest Digital platform created a Online test Series for MHT-CET examination. This is state level exam conducted by Maharashtra Test cell for Students to take admission in different college’s all over Maharashtra for qualifying degrees like engineering and B pharmacy

In the above test we have almost covered all the frequently asked questions in MHT-CET examination related to “Ecosystems and Energy Flow ” in last few year’s question papers. If you are scoring best in the tests provided by us we assure you that you will definitely score good in your entrance examination. We have tried our best and make this difficult test for you.

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