Q1 MCQ Drill: 2019 Life Sciences P2 (2019 NSC May/June Mid-Year Examination)

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

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6 multiple-choice questions taken verbatim from Section A of the official 2019 NSC May/June Mid-Year Examination 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

Which ONE of the following characteristics applies to bipedal organisms?

A. A more backwards position of the foramen magnum

B. A short, narrow pelvis

C. A long, wide pelvis

D. An S-shaped spine

Question 2 of 6 2 Marks

Which ONE of the following statements about biodiversity is CORRECT?

A. Speciation increases biodiversity.

B. Biodiversity is the number of organisms in a population.

C. Extinction increases biodiversity.

D. Speciation and extinction have no effect on biodiversity.

Question 3 of 6 2 Marks

Which ONE of the following compounds contains amino acids?

A. RNA

B. Protein

C. Glucose

D. DNA

Question 4 of 6 2 Marks

Which ONE of the following is the genotype of a person with haemophilia?

A. XHXh

B. XHY

C. XHXH

D. XhY

Question 5 of 6 2 Marks

A child has blood group AB and her mother's blood group is A. We can reasonably conclude that the …

A. mother's genotype is IAi.

B. child's genotype is IAIB and the mother's genotype is ii.

C. father's genotype is IAIB or IBIB or IBi.

D. father's genotype is IAIB and the mother's genotype is ii.

Question 6 of 6 2 Marks

Refer to a list of Mendel's laws below: (i) Law of dominance (ii) Principle of independent assortment (iii) Principle of segregation A scientist crossed a red-eyed fruit fly with a white-eyed fruit fly and all the F1 offspring were red-eyed. Which of the laws of Mendel can be used to explain this result?

A. (i), (ii) and (iii)

B. (iii) only

C. (i) and (iii) only

D. (ii) and (iii) only

Q1 MCQ Drill: 2019 Life Sciences P2 (2019 NSC May/June Mid-Year Examination)

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