Consider the following food chain: Grass -> Grasshopper -> Frog -> Snake -> Eagle. If the amount of energy available at third trophic level is , the available energy at the producer level was:
Consider the following food chain: Grass -> Grasshopper -> Frog -> Snake -> Eagle. If the amount of energy available at third trophic level is , the available energy at the producer level was:
Options
Official answer
The energy available at the producer level is 10 times the energy available at the third trophic level.
Marking scheme
- 1.1 mark
Hint
Use the 10% law to calculate the energy available at each trophic level.
Quick oral answer
The energy available at the producer level is 5000 kJ.
Common mistakes
- 1.not applying the 10% law
- 2.not calculating the energy available at each trophic level
Analysis and explanation
This question requires the student to understand the concept of energy flow in an ecosystem and apply the 10% law to calculate the energy available at the producer level.
Interesting facts
The 10% law is a general rule of thumb and can vary depending on the specific ecosystem.
Question details
Q15 of 39 questions
- Board
- CBSE
- Class
- Class 10
- Subject
- Science
- Year
- 2025
- Section
- Section A
- Marks
- 1
- Type
- MCQ
- Chapter
- Our Environment
- Topic
- Ecosystem
- Bloom's level
- Remembering
- Syllabus topic
- Flow of Energy
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Frequently asked questions
How many marks does this question carry in CBSE Class 10 Science 2025?
This question carries 1 mark 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 MCQ question from Section A in the CBSE Class 10 Science 2025 paper.