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Identify the mode of asexual… (Class 10 Science 2024, Q11)

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ScienceCBSE Class 10 · Board exam 2024, set 31/2/1 · 1 mark · MCQ

CBSE Class 10 Science 2024: question 11

Set in the CBSE Class 10 board exam of 2024, paper 31/2/1, section A, question 11, for 1 mark. Try it first; the hints and our step-by-step solution are below.

Q11 · 1 mark · MCQHow do Organisms Reproduce?

Identify the mode of asexual reproduction in the following organism :

  1. (A)Fragmentation
  2. (B)Multiple fission
  3. (C)Budding
  4. (D)Binary fission

Figure in the paper: A single elongated, flask-like organism (Hydra-type) with several slender tentacles at the top and a small projection (bud) on its side near the lower body. See it in the official paper.

Source: official question paper from cbse.gov.in (PDF). See it in the full 2024 board paper, set 31/2/1.

Hints

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

Hint 1

Look at the small projection on the side of the organism.

Hint 2

Hydra and yeast reproduce this way.

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 figure shows Hydra with a small outgrowth (bud) on its side.

    ½ mark

  2. The bud forms by repeated cell division at one site, grows into a tiny individual and detaches. This is budding, option (C).

    ½ mark

Answer: Budding: option (C)

Where the marks are

  • Identifies budding, option (C) (1 mark)

Revise the chapter

Practise this chapterBoard-style questions from How do Organisms Reproduce?, one at a time, marked against the answer key and marking points.Back to the full paper2024 board paper, set 31/2/1: 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.