Fsc Second Year Online Preparation for Biology Chapter No 25 (Ecosystem)

Online Short Questions For Chapter 11 "12th Class Biology Chapter 25 Short Questions Preparation "

Try The Short Questions For 12th Class Biology Chapter 25 Short Questions Preparation

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Biology - 12th Class Biology Chapter 25 Short Questions Preparation

Question # 1

What is the effect of moderate grazing on grassland?

Ans 1: Moderate grazing is very helpful in maintain the grass land ecosystem.It destroy the competitors and help the grass to grow well.

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Prepare Complete Set Wise Questions For Chapter 11 "12th Class Biology Chapter 25 Short Questions Preparation "

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Set 3

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12th Class Biology Chapter 25 Short Questions Preparation - Set 1

Question # 1

What is the effect of moderate grazing on grassland?

Ans 1: Moderate grazing is very helpful in maintain the grass land ecosystem.It destroy the competitors and help the grass to grow well.

Submit

12th Class Biology Chapter 25 Short Questions Preparation - Set 2

Question # 1

What are biogeochemical cycles?Give an example.

Ans 1: Circular movement or recycling of the elements between the organism and the environment is called biogeochemical cycle.

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12th Class Biology Chapter 25 Short Questions Preparation - Set 3

Question # 1

Differentiate between macro nutrients and micro nutrients.

Ans 1: Macro nutrients: Macrnutirents are those which required by the organism in large amount are called macronutrients like water,carbon,hydrogen,oxygen.
Ans 2: Micro nutrients: Micronutrients are those which required by the organisms in less quantity or in trace amount like sulphure,phosphorous,magnesium etc.

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12th Class Biology Chapter 25 Short Questions Preparation - Set 4

Question # 1

Sketch food chain to show various trophic levels

Ans 1: Grass>Deer>Lion>Vulture>Decomposer
Ans 2: Grass 1^sttrophic level
Deer 2^ndtrophic level
Lion 3^rdtrophic level
Vulture 4^thtrophic level
Decomposer 5^thtrophic level

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Biology

25th Chapter

12th Class Biology Chapter 25 Short Questions

Here you can prepare 12th Class Biology Chapter 25 (Ecosystem). Click the button for 100% free full practice.

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Chapter 15

Chapter 16

Chapter 17

Chapter 18

Chapter 19

Chapter 20

Chapter 21

Chapter 22

Chapter 23

Chapter 24

Chapter 25

Chapter 26

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Fsc Part 2 Online Preparation for Biology Chapter No 25 (Ecosystem)

Online Short Questions For Chapter 11 "12th Class Biology Chapter 25 Short Questions Preparation "

Biology - 12th Class Biology Chapter 25 Short Questions Preparation

What is the effect of moderate grazing on grassland?

Define food web,give its significance.

How does over grazing affect a grass land ecosystem?

Define lichens. Or What are lichens?

Define Succession.Name its types.

Explain Niche.

What is climax forest?

Define grazing.

Differentiate between mutualism and commensalism.

Define pioneers and climax community.

Prepare Complete Set Wise Questions For Chapter 11 "12th Class Biology Chapter 25 Short Questions Preparation "

Set 1

Set 2

Set 3

Set 4

12th Class Biology Chapter 25 Short Questions Preparation - Set 1

What is the effect of moderate grazing on grassland?

Define food web,give its significance.

How does over grazing affect a grass land ecosystem?

Define lichens. Or What are lichens?

Define Succession.Name its types.

Explain Niche.

What is climax forest?

Define grazing.

Differentiate between mutualism and commensalism.

Define pioneers and climax community.

12th Class Biology Chapter 25 Short Questions Preparation - Set 2

What are biogeochemical cycles?Give an example.

What are lichens and mycorrhiza?

Differentiate between food chain food web.

Define ammonification assimilation.

Compare population and community and give their example.

Sketch food chain to show various trophic levels

Define foliose lichens with one example. OR What is foliose lichen stage?Give an example.

Differentiate between predator and prey.

Differentiate between habitat and niche.

What is commensalism?Give an example. Or Define commensalism.

12th Class Biology Chapter 25 Short Questions Preparation - Set 3

Differentiate between macro nutrients and micro nutrients.

What is mycorrhiza?

What is commensalism?Give an example. Or Define commensalism.

Define Succession.Name its types.

Define grazing.

Differentiate between secondary and primary succession.

How community is different from population.

Define pioneers and climax community.

Differentiate between ectoparasites and endoparasites.

What are biotic components of an ecosystem?

12th Class Biology Chapter 25 Short Questions Preparation - Set 4

Sketch food chain to show various trophic levels

Differentiate between mutualism and commensalism.

Differentiate between pioneer and climax community.

Compare population and community and give their example.

What do you understand by term trophic level?

Define food web,give its significance.

How moderate grazing is helpful for ecosystem.

Differentiate between Hydrosere and Xerosere.

Compare autoecology with synecology. Or Differentiate between autecology and synecology.

What are lichens and mycorrhiza?

12th Class Biology Chapter 25 Short Questions

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