Q1 MCQ Drill: 2018 Life Sciences P1 (2018 NSC October/November National 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 2018 NSC October/November National 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 6 2 Marks

Which of the following are hormones that directly stimulate the development of the endometrium?

A. FSH and LH

B. Progesterone and oestrogen

C. FSH and progesterone

D. LH and oestrogen

Question 2 of 6 2 Marks

Which of the following are plant growth hormones?

A. Prolactin and abscisic acid

B. Abscisic acid and glucagon

C. Gibberellins and abscisic acid

D. ADH and gibberellins

Question 3 of 6 2 Marks

A function of the placenta is to …

A. transport waste from mother to foetus.

B. form the chorion.

C. secrete progesterone.

D. secrete the fluid that surrounds the foetus.

Question 4 of 6 2 Marks

Which ONE of the following will lead to a decrease in water quality?

A. Eutrophication

B. Use of aquifers

C. Maintaining wetlands

D. Drought

Question 5 of 6 2 Marks

A chemical used in laboratories prevents spindle fibres from forming in cells undergoing meiosis. As a result meiosis cannot start on the completion of interphase. In an investigation, this chemical was added to cells in the anthers of the flowers of rice plants. Each cell in the anther has 24 chromosomes. What is the expected number of chromosomes in each cell at the end of the investigation?

A. 12 replicated chromosomes

B. 24 replicated chromosomes

C. 24 unreplicated chromosomes

D. 48 unreplicated chromosomes

Question 6 of 6 2 Marks

An advantage of internal fertilisation is that …

A. sperm and ova are protected within the female's body.

B. there is better parental care.

C. more gametes will be produced.

D. the foetus receives food directly from the mother.

Q1 MCQ Drill: 2018 Life Sciences P1 (2018 NSC October/November National Examination)

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