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Select from the following a… (Class 10 Science 2024, Q8)

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ScienceCBSE Class 10 · Board exam 2024, set 31/3/1 · 1 mark · MCQ

CBSE Class 10 Science 2024: question 8

Set in the CBSE Class 10 board exam of 2024, paper 31/3/1, section A, question 8, for 1 mark. Try it first; the hints and our step-by-step solution are below.

Q8 · 1 mark · MCQControl and Coordination

Select from the following a plant hormone which promotes cell division.

  1. (A)Gibberellins
  2. (B)Auxins
  3. (C)Abscissic Acid
  4. (D)Cytokinins

Source: official question paper from cbse.gov.in (PDF). See it in the full 2024 board paper, set 31/3/1.

Hints

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

Hint 1

Recall the function of each plant hormone.

Hint 2

The name of this hormone contains 'cyto' (cell) and refers to cytokinesis.

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. Auxins promote cell elongation, gibberellins promote stem growth, and abscisic acid inhibits growth (it causes wilting of leaves).

  2. Cytokinins promote cell division and are found in areas of rapid cell division such as fruits and seeds. Option (D).

    1 mark

Answer: Cytokinins, option (D)

Where the marks are

  • Identifies cytokinins (1 mark)

Revise the chapter

Practise this chapterBoard-style questions from Control and Coordination, one at a time, marked against the answer key and marking points.Back to the full paper2024 board paper, set 31/3/1: 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.