Which one of the following is not a natural ecosystem ?
Which one of the following is not a natural ecosystem ?
Options
The correct option is D (Cropland ecosystem).
Marking Scheme
- 11 mark for correctly identifying Cropland ecosystem as the correct option.
Hint
Think about which ecosystem is artificially created, cultivated, and managed by humans for agricultural production.
Quick Oral Answer
Cropland is an artificial or human-made ecosystem because it is created, planted, and maintained by humans for growing crops, unlike forests or ponds which develop naturally.
Analysis & Explanation
According to the NCERT text, ecosystems can be natural or human-made (artificial). Forests, ponds, and lakes are examples of natural ecosystems because they exist and function naturally without human intervention. In contrast, gardens and crop-fields (croplands) are created and managed by humans, making them human-made or artificial ecosystems. Therefore, a cropland ecosystem is not a natural ecosystem.
Common Mistakes
- 1Students sometimes confuse ponds or grasslands as artificial, but they are natural ecosystems.
- 2Not distinguishing between natural habitats and human-managed agricultural fields.
Interesting Facts
Crop-fields are highly simplified ecosystems with very low species diversity compared to natural forests, making them highly vulnerable to pests and dependent on human inputs like fertilizers.
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Frequently Asked Questions
How many marks does this question carry in CBSE Class 10 Science 2024?
This question carries 1 mark in the CBSE Class 10 Science 2024 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 2024 paper?
This is a MCQ question from Section A in the CBSE Class 10 Science 2024 paper.