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Flow of energy through various trophic levels in an ecosystem
Biology Exemplar
Biology Exemplar

Class 12

NCERT Exemplar

Publisher:
NCERT
Subject:
Biology
1

Chapter 1: Reproduction in Organisms

48 questions

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2

Chapter 2: Sexual Reproduction in Flowering Plants

52 questions

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3

Chapter 3: Human Reproduction

48 questions

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4

Chapter 4: Reproductive Health

37 questions

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5

Chapter 5: Principles of Inheritance and Variation

52 questions

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6

Chapter 6: Molecular Basis of Inheritance

71 questions

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7

Chapter 7: Evolution

52 questions

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8

Chapter 8: Human Health and Disease

70 questions

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9

Chapter 9: Strategies for Enhancement in Food Production

77 questions

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10

Chapter 10: Microbes in Human Welfare

59 questions

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11

Chapter 11: Biotechnology: Principles and Processes

48 questions

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12

Chapter 12: Biotechnology and its Applications

52 questions

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13

Chapter 13: Organisms and Populations

70 questions

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14

Chapter 14: Ecosystem

68 questions

Q1
Human activities interfere with carbon cycle. List any two such activities.
Q2
Flow of energy through various trophic levels in an ecosystem is unidirectional and non-cyclic. Explain.
Q3
Apart from plants and animals, microbes form a permanent biotic component in an ecosystem. While plants have been referred to as autotrophs and animals as heterotrophs. What are microbes referred to as? How do the microbes fulfill their energy requirements?
View all question
15

Chapter 15: Biodiversity and Conservation

61 questions

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16

Chapter 16: Environmental Issues

52 questions

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Question
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Flow of energy through various trophic levels in an ecosystem is unidirectional and non-cyclic. Explain.

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Biology Exemplar (NCERT Exemplar)

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Flow of energy through various trophic levels in an ecosystem is unidirectional and non-cyclic. Explain.
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Flow of energy in an ecosystem is always unidirectional, i.e., energy flow in one way and is noncyclic, like
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As the energy content is decreasing from Ist trophic level to next trophic level and so on, thus the energy cannot pass in reverse direction.
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Q1
Human activities interfere with carbon cycle. List any two such activities.
Q2
Flow of energy through various trophic levels in an ecosystem is unidirectional and non-cyclic. Explain.
Q3
Apart from plants and animals, microbes form a permanent biotic component in an ecosystem. While plants have been referred to as autotrophs and animals as heterotrophs. What are microbes referred to as? How do the microbes fulfill their energy requirements?
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Consider the following statements.
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Question Text
Flow of energy through various trophic levels in an ecosystem is unidirectional and non-cyclic. Explain.
TopicEcosystem
SubjectBiology
ClassClass 12
Answer TypeText solution:1
Upvotes85