✓ Board-verified
Science · 2026 · 2 marks
CBSE 2026 · Region 1 · Set 2 · Q12
Give differences between the following: (a) Sensory nerve and motor nerve (b) Consumers and decomposers
Give differences between the following :
(a)
Sensory nerve and motor nerve
(b)
Consumers and decomposers
Marking-scheme solution
(a)
| Sensory Nerve | Motor Nerve |
| (i) Carries impulse from receptors to CNS/ Brain and Spinal cord. | (i) Carries impulse from CNS/Brain and Spinal cord to the motor area/ effector organ. |
(b)
| Consumers | Decomposers |
| (i) Organisms that feed on producers and other consumers. | (i) Organisms that breakdown dead organic matter into simpler inorganic substances. |
| (ii) Transfers energy through the food chain. | (ii) Recycle nutrients back into the environment. |
All Our Environment questions2026 question paperNCERT solutions: Our EnvironmentPractice Our Environment →
More from Our Environment
- Assertion (A): Ozone (O_3) gas at higher levels of atmosphere is a product of UV radiation acting on Oxygen (O_2). Reason (R): The amount of ozone in…2026
- Why are the organisms of first trophic level important in any food chain? Justify the following statement: 'The flow of energy in an ecosystem is…2025
- Assertion: Producers are capable of using light energy from the sun to make food available in an ecosystem. Reason (R): All food chains in an…2024
- Assertion: The amount of ozone in the atmosphere began to drop sharply in the 1980s. Reason (R): The oxygen atoms combine with molecular oxygen to…2025
- Other than the abiotic components, which of the given biotic components are not required to make an aquarium with small herbivorous fishes a…2025
- Use of pesticides to protect our crops affect organisms at various trophic levels especially human beings. Name the phenomenon involved and explain…2024
- Explain why food chains generally consist of three or four steps.2026
- Plants → Deer → Lion In the given food chain, what will be the impact of removing all the organisms of second trophic level on the first and third…2024
CBSE Class 10 Science past-paper question from the 2026 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.