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Given below are Column A with… (Class 12 Biology 2023, Q2)

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BiologyCBSE Class 12 · Board exam 2023, set 57/5/1 · 1 mark · MCQ

CBSE Class 12 Biology 2023: question 2

Set in the CBSE Class 12 board exam of 2023, paper 57/5/1, section A, question 2, for 1 mark. Try it first; the hints and our step-by-step solution are below.

Q2 · 1 mark · MCQReproductive Health

Given below are Column A with a list of certain Assisted Reproductive Technologies (ART) and in Column B the procedures followed during ART :

S. No.Names of ARTS. No.Procedures
(A)GIFT(i)Transfer of ovum from a donor into the fallopian tube of another female.
(B)ICSI(ii)Transfer of semen from the donor into the vagina of the female.
(C)ZIFT(iii)Injecting sperms directly into the ovum.
(D)IUI(iv)Transfer of early embryos into the fallopian tube.

Choose the option where ART correctly matches with the procedure.

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

Source: official question paper from cbse.gov.in (PDF). See it in the full 2023 board paper, set 57/5/1.

Hints

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

Hint 1

Expand each abbreviation: Gamete, Zygote, Intra-cytoplasmic.

Hint 2

ZIFT involves a zygote or embryo, and GIFT involves a gamete.

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. GIFT transfers an ovum from a donor into the fallopian tube, so (A)–(i). ICSI injects a sperm directly into the ovum, so (B)–(iii).

    ½ mark

  2. ZIFT transfers early embryos (up to 8 blastomeres) into the fallopian tube, so (C)–(iv). IUI places donor semen in the female tract, so (D)–(ii). Hence option (D).

    ½ mark

Answer: (D) (A)-(i), (B)-(iii), (C)-(iv), (D)-(ii)

Where the marks are

  • Correct matching, option (D) (1 mark)

Revise the chapter

Practise this chapterBoard-style questions from Reproductive Health, one at a time, marked against the answer key and marking points.Back to the full paper2023 board paper, set 57/5/1: 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.