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A fish living in a pond… (Class 10 Science SQP 2026-27, Q7)

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ScienceCBSE Class 10 · Sample paper, session 2026-27 · 1 mark · MCQ

CBSE Class 10 Science sample paper 2026-27: question 7

From the official CBSE sample question paper for 2026-27, section A, question 7, for 1 mark. Try it first; the hints and our step-by-step solution are below.

Q7 · 1 mark · MCQCompetency-basedOur Environment

A fish living in a pond ecosystem feeds on small aquatic insects (larvae). These insect larvae, in turn, feed on green algae and small photosynthetic bacteria. In this specific food chain, what is the trophic level classification of fish?

  1. (A)Producer
  2. (B)Primary Consumer
  3. (C)Secondary Consumer
  4. (D)Tertiary Consumer

Source: official sample paper from cbseacademic.nic.in (PDF). See it in the full Sample paper 2026-27.

Hints

Open one hint at a time and try again before the next.

Hint 1

Start the chain with the organisms that make their own food.

Hint 2

Count the steps from the producer to the fish.

Step-by-step solution

Each step shows the marks it earns, as an examiner would award them. Checked by an independent re-solve from the question paper.

  1. The food chain is: green algae / photosynthetic bacteria (producers) insect larvae (primary consumers) fish.

  2. The fish eats primary consumers, so it is at the third trophic level, the secondary consumer. The correct option is (C).

    1 mark

Answer: Option (C): Secondary Consumer

Where the marks are

  • Identifies fish as the secondary consumer (1 mark)

Revise the chapter

Practise this chapterBoard-style questions from Our Environment, one at a time, marked against the answer key and marking points.Back to the full paperSample paper 2026-27: every question, by section.

The question is transcribed from the official paper; figures are described in words. The solution, hints and chapter tag are ours. Spotted an error? Write tosupport@questionbuddy.in.