Q1 MCQ Drill: 2023 Life Sciences P2 (2023 Oct/Nov Final NSC (National DBE))

Life Sciences Past Paper Question 1 Drill Level 1: Knowledge & Recall

9:00

6 multiple-choice questions taken verbatim from Section A of the official 2023 Oct/Nov Final NSC (National DBE) Life Sciences Paper 2, auto-marked against the official marking guideline. Questions that rely on diagrams or graphs are excluded - see the full paper for those.

Question 1 of 6 2 Marks

The base pairing in DNA was discovered by …

A. Watson and Wilkins.

B. Franklin and Wilkins.

C. Franklin and Crick.

D. Crick and Watson.

Question 2 of 6 2 Marks

A gene codes for the production of …

A. a chromosome.

B. an allele.

C. DNA.

D. a protein.

Question 3 of 6 2 Marks

Which ONE of the following is a characteristic of stem cells?

A. They are easily obtained from any organ.

B. They divide by meiosis.

C. They are haploid.

D. They can be stimulated to form any type of cell needed.

Question 4 of 6 2 Marks

The chances of having a female child in humans is …

A. 25%

B. 50%

C. 75%

D. 100%

Question 5 of 6 2 Marks

Which ONE of the following is part of the reason why colour- blindness is more common in males than in females?

A. The allele for colour-blindness is recessive and located on the X-chromosome.

B. Colour-blind males have two copies of the allele for colour- blindness.

C. The allele for colour-blindness is recessive and located on the Y-chromosome.

D. Fathers pass the allele of colour-blindness to their sons only.

Question 6 of 6 2 Marks

The scientist who discovered Little Foot is …

A. Lee Berger.

B. Raymond Dart.

C. Ron Clarke.

D. Robert Broom.

Q1 MCQ Drill: 2023 Life Sciences P2 (2023 Oct/Nov Final NSC (National DBE))

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