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Select the INCORRECT match… (Class 10 Science 2023, Q12)

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ScienceCBSE Class 10 · Board exam 2023, set 31/1/1 · 1 mark · MCQ

CBSE Class 10 Science 2023: question 12

Set in the CBSE Class 10 board exam of 2023, paper 31/1/1, section A, question 12, for 1 mark. Try it first; the hints and our step-by-step solution are below.

Q12 · 1 mark · MCQHow do Organisms Reproduce?

Select the INCORRECT match (between the plant and its vegetative part) from the following :

  1. (A)Bryophyllum, leaf
  2. (B)Potato, stem
  3. (C)Money-plant, stem
  4. (D)Rose, root

Source: official question paper from cbse.gov.in (PDF). See it in the full 2023 board paper, set 31/1/1.

Hints

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

Hint 1

Recall which part is planted to grow a new rose plant.

Hint 2

Is a potato a root or a modified stem?

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. Bryophyllum produces buds on the margins of its leaves. Potato tubers are stems. Money-plant grows from stem cuttings. All three matches are correct.

  2. Rose is propagated by stem cuttings, not roots. So 'Rose, root' is the incorrect match, option (D).

    1 mark

Answer: Option (D)

Where the marks are

  • Identifies Rose–root as the incorrect match (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 paper2023 board paper, set 31/1/1: 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.