What is meant by trophic level in a food chain ? Construct a terrestrial food chain with four trophic levels. The energy flow in a food chain is always unidirectional. Why ?
What is meant by trophic level in a food chain ? Construct a terrestrial food chain with four trophic levels. The energy flow in a food chain is always unidirectional. Why ?
Official answer
The flow chart is as follows:
TERRESTRIAL
Types
ECOSYSTEM
Components
Definition
(v)
BIOTIC
Comprises
(i)
Comprises
(ii)
Comprises
(iii)
Comprises
(iv)
Marking scheme
- 1.TERRESTRIAL
- 2.Types
- 3.ECOSYSTEM
- 4.Components
- 5.Definition
- 6.BIOTIC
- 7.Comprises
- 8.(i)
- 9.Comprises
- 10.(ii)
- 11.Comprises
- 12.(iii)
- 13.Comprises
- 14.(iv)
Hint
The flow chart shows the different components of an ecosystem, including terrestrial and biotic components.
Quick oral answer
The flow chart shows the different components of an ecosystem, including terrestrial and biotic components. The terrestrial component includes types of ecosystems, such as forests, grasslands, and deserts. The biotic component includes living organisms, such as plants, animals, and microorganisms. The definition of an ecosystem is also included in the flow chart.
Common mistakes
- 1.Confusing terrestrial and biotic components
- 2.Not including all components of an ecosystem
Analysis and explanation
The flow chart shows the different components of an ecosystem, including terrestrial and biotic components. The terrestrial component includes types of ecosystems, such as forests, grasslands, and deserts. The biotic component includes living organisms, such as plants, animals, and microorganisms. The definition of an ecosystem is also included in the flow chart.
Interesting facts
Ecosystems can be found in a variety of environments, including forests, grasslands, and deserts.
Living organisms in an ecosystem interact with each other and their environment to form a complex web of relationships.
Question details
Q18 of 39 questions
- Board
- CBSE
- Class
- Class 10
- Subject
- Science
- Year
- 2020
- Section
- Section B
- Marks
- 3
- Type
- Short Answer
- Chapter
- Our Environment
- Topic
- Ecosystem and its components
- Bloom's level
- Understanding
- Syllabus topic
- Ecosystem and its components
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Frequently asked questions
How many marks does this question carry in CBSE Class 10 Science 2020?
This question carries 3 marks in the CBSE Class 10 Science 2020 examination.
Which chapter does this question come from in Science?
This question is from the chapter "Our Environment" in the CBSE Class 10 Science syllabus.
What topic does this question cover in Science?
This question covers the topic "Ecosystem and its components" from CBSE Class 10 Science.
What type of question is this in the CBSE Class 10 Science 2020 paper?
This is a Short Answer question from Section B in the CBSE Class 10 Science 2020 paper.