Q1 MCQ Drill: 2025 Life Sciences P1 (2025 NSC May/June Mid-Year Examination)

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

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7 multiple-choice questions taken verbatim from Section A of the official 2025 NSC May/June Mid-Year Examination Life Sciences Paper 1, 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 7 2 Marks

The part in the amniotic egg that provides nutrients to the developing embryo:

A. Yolk

B. Chorion

C. Amnion

D. Shell

Question 2 of 7 2 Marks

Which gland is responsible for the secretion of prolactin?

A. Thyroid gland

B. Adrenal gland

C. Ovary

D. Pituitary gland

Question 3 of 7 2 Marks

The cranial and spinal nerves are part of the ... nervous system.

A. central

B. peripheral

C. sympathetic

D. parasympathetic

Question 4 of 7 2 Marks

The following changes occur at puberty: (i) Growth of facial hair (ii) Deepening of the voice (iii) Onset of menstruation (iv) Oily skin Which combination of characteristics occurs due to the secretion of testosterone?

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

B. (ii) and (iii) only

C. (i), (ii) and (iv) only

D. (i), (ii), (iii) and (iv)

Question 5 of 7 2 Marks

Which ONE of the following is a cause of short-sightedness?

A. The eyeball is too short.

B. The lens is unable to become less convex.

C. The lens is opaque.

D. The surface of the eye is uneven.

Question 6 of 7 2 Marks

A person has a disorder where she is unable to secrete ADH. It is most likely that …

A. the renal tubules will become more permeable to water.

B. the blood will have a higher volume of water.

C. large volumes of urine will be produced.

D. more water is reabsorbed by the renal tubules.

Question 7 of 7 2 Marks

Eagles are birds that lay their eggs high up on mountain cliffs and feed their young once they hatch. The following is a list of reproductive strategies in vertebrates: (i) Internal fertilisation (ii) External fertilisation (iii) Precocial development (iv) Parental care (v) Ovipary Which combination of strategies applies to eagles?

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

B. (i), (iv) and (v) only

C. (ii) and (iii) only

D. (ii), (iii) and (iv) only

Q1 MCQ Drill: 2025 Life Sciences P1 (2025 NSC May/June Mid-Year Examination)

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