Grade 10 Life Sciences June Paper and Memo:
Total: 150 Marks
Contents:
Question 1: Cells - The basic unit of life | Biosphere to ecosystems
Question 2: History of life on earth | Cells: The basic unit of life | Chemistry of life
Question 3: Biodiversity and classification | Biosp...
1.1 Multiple choice Cells: The basic unit of life 20
1.2 Terminology Biosphere to ecosystems 10
1.3 Matching columns Biosphere to ecosystems 10
1.4 Knowledge questions Cells: The basic unit of life 10
SECTION A: 50 MARKS
2.1 Application / Diagrams Hisory of life on earth 12
2.2 Knowledge / Diagrams Hisory of life on earth – 10
geological timescale
2.3 Knowledge / Diagrams Hisory of life on earth – 7
fossils
2.4 Knowledge Cells: The basic unit of life 7
2.5 Application Chemistry of life 14
QUESTION 2: 50 MARKS
3.1 Knowledge Biodiversity and 10
classification
3.2 Knowledge Biosphere to ecosystems 10
3.3 Application Biosphere to ecosystems 15
3.4 Knowledge Biosphere to ecosystems 15
QUESTION 3: 50 MARKS
TOTAL: 150
Life sciences
1|Page www.summariessa.co.za Life Sciences
Grade 10 June Paper
, Grade 10
JULY EXAM
Examiner: Mrs. N. Harmse Date: JULY 2024
Time: 2 hours 30 min
Total: 150
SECTION A
Question 1
1.1 Different options are given as possible answers for the following questions. Choose the
correct answer and write only the letter (A to D) next to the question number (1.1.1 to
1.1.10) on the FOLIO PAPER e.g. 1.1.11 E.
1.1.1 Substance used inside living cells as a storage place for energy.
A. Active transport.
B. Adenosine triphosphate.
C. Cytoplasm.
D. Mitochondrion. (2)
1.1.2 Tendency of water molecules to move from a high concentration to a low concentration.
A. Osmosis.
B. Water potential.
C. Diffusion.
D. Passive transport. (2)
1.1.3 Living part of cell; cell membrane, cytoplasm and organelles.
A. Cell wall
B. Jelly-like part.
C. Half cell membrane.
D. Protoplasm. (2)
1.1.4 Transport of substances between the cell nucleus and the cytoplasm.
A. Pores.
B. Ribosomes.
C. Cell wall
D. Double membrane. (2)
1.1.5 The function of the endoplasmic reticulum is;
2|Page www.summariessa.co.za Life Sciences
Grade 10 June Paper
, A. Network of membranes in the nucleus, involved in chemical reactions and storage
of liquid.
B. Network of membranes in the cytoplasm, involved in chemical reactions and storage
of liquid.
C. Network of membranes in the chloroplasts, involved in chemical reactions and storage
of liquid.
D. Network of membranes in the cell membrane, involved in chemical reactions and storage
of liquid. (2)
1.1.6 Ribosomes consist of;
A. Proteins and DNA.
B. Proteins and RNA.
C. Cisterns and RNS.
D. Cisterns and DNA. (2)
1.1.7) How many fatty acids do hydrophobic tails consist of?
A. One.
B. Three.
C. None.
D. Two. (2)
1.1.8) Diffusion takes place in;
A. Non-living systems.
B. Living systems.
C. Living and non-living systems.
D. None of the above. (2)
1.1.9) The mitochondria consist of the following parts;
A. Inner membrane, matrix and outer membrane.
B. Crysta, matrix and double membrane.
C. Inner membrane, crista, matrix, double membrane and outer membrane.
D. Inner membrane, crista, matrix, double membrane. (2)
1.1.10) Choose the letter that does NOT match the function of the cytoplasm.
A. Give shape to the cell.
B. Solvent for water-soluble substances.
C. Contains genetic information.
D. Storage site for small molecules. (2)
[20]
1.2 Give the correct biological term for each of the following descriptions.
3|Page www.summariessa.co.za Life Sciences
Grade 10 June Paper
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