(a) Why are the organisms of first trophic level important in any food chain?
(b) Justify the following statement: 'The flow of energy in an ecosystem is unidirectional.'
(a) Why are the organisms of first trophic level important in any food chain?
(b) Justify the following statement: 'The flow of energy in an ecosystem is unidirectional.'
(a) Organisms of the first trophic level are important in any food chain because they are the producers that convert solar energy into chemical energy through photosynthesis.
(b) The flow of energy in an ecosystem is unidirectional because energy is lost at each trophic level and cannot be reused.
Marking Scheme
- 12 marks
Hint
Organisms in the first trophic level are producers that convert solar energy into chemical energy.
Quick Oral Answer
Organisms in the first trophic level are important because they are the producers that convert solar energy into chemical energy. The flow of energy in an ecosystem is unidirectional because energy is lost at each trophic level and cannot be reused.
Analysis & Explanation
The question requires the student to explain the importance of organisms in the first trophic level and justify the statement that the flow of energy in an ecosystem is unidirectional.
Common Mistakes
- 1not understanding the importance of organisms in the first trophic level
Interesting Facts
The flow of energy in an ecosystem is unidirectional.
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Frequently Asked Questions
How many marks does this question carry in CBSE Class 10 Science 2025?
This question carries 2 marks in the CBSE Class 10 Science 2025 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" from CBSE Class 10 Science.
What type of question is this in the CBSE Class 10 Science 2025 paper?
This is a Very Short Answer question from Section B in the CBSE Class 10 Science 2025 paper.