Skip to content

Identify the traits that… (Class 10 Science 2026, Q4)

questionbuddy.in/q/cbse-10-science-2026-31-4-1-q4-identify-traits-cannot-transmitted-parents

ScienceCBSE Class 10 · Board exam 2026, set 31/4/1 · 1 mark · MCQ

CBSE Class 10 Science 2026: question 4

Set in the CBSE Class 10 board exam of 2026, paper 31/4/1, section A, question 4, for 1 mark. Try it first; the hints and our step-by-step solution are below.

Q4 · 1 mark · MCQHeredity

Identify the traits that cannot be transmitted from parents to the offsprings:
(i) Swimming technique
(ii) Blood group
(iii) Eye colour
(iv) Dancing skills

  1. (A)(i) and (ii)
  2. (B)(i) and (iv)
  3. (C)(iii) and (iv)
  4. (D)(ii) and (iii)

Source: official question paper from cbse.gov.in (PDF). See it in the full 2026 board paper, set 31/4/1.

Hints

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

Hint 1

Separate acquired traits from inherited traits.

Hint 2

Skills that are learnt are not passed on through genes.

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. Swimming technique and dancing skills are acquired traits learnt during life; they are not coded in DNA, so they are not inherited.

  2. Blood group and eye colour are genetic, inherited traits. Answer: option (B).

    1 mark

Answer: (B) (i) and (iv)

Where the marks are

  • Identifies acquired traits (i) and (iv), option (B) (1 mark)

Revise the chapter

  • Chapter: Heredity (notes, formulas, where marks are lost and every past question)
Practise this chapterBoard-style questions from Heredity, one at a time, marked against the answer key and marking points.Back to the full paper2026 board paper, set 31/4/1: 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.