Q1 MCQ Drill: 2025 Life Sciences P2 (2025 September Provincial Preparatory (Trial) Examination)

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

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8 multiple-choice questions taken verbatim from Section A of the official 2025 September Provincial Preparatory (Trial) 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 8 2 Marks

Which organelle represents the location of extra-nuclear DNA in animal cells?

A. Cytoplasm

B. Nucleus

C. Mitochondria

D. Chloroplasts

Question 2 of 8 2 Marks

Which ONE of the following is the significance of DNA replication?

A. Chromatin network condenses

B. Complementary pairing of nitrogenous bases

C. Weak hydrogen bonds break

D. Genetic material is doubled

Question 3 of 8 2 Marks

Biological evolution refers to the …

A. formation of a new species.

B. gradual change in the characteristic of a species over time.

C. present-day distribution of species across the world.

D. structures that have the same basic plan but are adapted for different functions.

Question 4 of 8 2 Marks

Peacocks use bright colours to attract a mating partner. This reproductive isolating mechanism is called …

A. hybrid infertility.

B. reproduction at different times of the year.

C. species-specific courtship behaviour.

D. copulation.

Question 5 of 8 2 Marks

This document was downloaded from www.ecexams.co.za. 4 LIFE SCIENCES P2 (EC/SEPTEMBER 2025) The scientists who played a role in the discovery of the DNA molecule.

A. Mendel and Crick.

B. Dart and Broom.

C. Watson and Darwin.

D. Franklin and Wilkins.

Question 6 of 8 2 Marks

This document was downloaded from www.ecexams.co.za. 4 LIFE SCIENCES P2 (EC/SEPTEMBER 2025) The difference between genotype and phenotype is that ...

A. genotype is the genetic make-up while phenotype is the external appearance.

B. genotype is an allele inherited from maternal origin while phenotype is an allele of paternal origin.

C. genotype is the external appearance while phenotype is the genetic make-up.

D. genotype is inherited while phenotype is not.

Question 7 of 8 2 Marks

This document was downloaded from www.ecexams.co.za. 4 LIFE SCIENCES P2 (EC/SEPTEMBER 2025) This document was downloaded from www.ecexams.co.za. (EC/SEPTEMBER 2025) LIFE SCIENCES P2 5 The ultimate purpose of artificial selection is to …

A. increase genetic variation in a population.

B. allow organisms to survive in their natural environments.

C. reduce the size a population of a species by removing organisms with undesirable traits.

D. increase organisms with specific desirable traits for human benefit.

Question 8 of 8 2 Marks

This document was downloaded from www.ecexams.co.za. 4 LIFE SCIENCES P2 (EC/SEPTEMBER 2025) This document was downloaded from www.ecexams.co.za. (EC/SEPTEMBER 2025) LIFE SCIENCES P2 5 Which organic catalyst is used to cut a plasmid in genetic engineering?

A. Enzyme

B. Stem cell

C. Recombinant DNA technology

D. Bacteria

Q1 MCQ Drill: 2025 Life Sciences P2 (2025 September Provincial Preparatory (Trial) Examination)

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