Grade 10 Life Sciences (LS) March Paper and Memo - 2024 (2)
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Course
Life Sciences
Institution
10th Grade
Grade 10 Life Sciences March Paper and Memo:
Total: 75 Marks. Time: 1hour 30min
Contents:
Biosphere to ecology | Biomes | Ecosystems | Abiotic factors | Biotic factors | Energy flow in ecosystems
This is a practice paper with memorandum meant to test the student's knowle...
Examiner: Ms N.Harmse
Date: MARCH 2024
Time: 1 hour 30 minutes
Total: 75
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 1.1.5)
on the FOLIO PAPER e.g. 1.1.6 E.
1.1.1 A group of different populations living together in a specific area.
A. Population.
B. Community.
C. Habitat.
D. Ecosystem.
1.1.2 Direction in which a surface faces.
A Gradient.
B Aspect.
C Height.
D Edaphic.
1.1.3 Which letter is not soil characteristics.
1|Page www.summariessa.co.za Life Sciences
Grade 10 March Paper
, A. pH
B. Texture.
C. Air content.
D. Wind.
1.1.4 Part of the biotic factors of a springbok will be:
A. the place where it lives.
B. the grass it eats.
C. the reproduction rates.
D. the amount of water they drink.
1.1.5 Atmospheric gases consist of:
A. 75% nitrogen, 25% oxygen and 0.04% CO₂.
B. 78% nitrogen, 21% oxygen and 0.02% CO₂.
C. 79% nitrogen, 20% oxygen and 0.01% CO₂.
D. None of the above.
[5]
1.2 Give the correct biological term for each of the following descriptions.
Write down only the term next to the question number. (1.2.1 to 1.2.5) on your FOLIO
PAPER.
1.2.1 Each step in a food chain or food web.
1.2.2 Total amount of living tissue in a trophic level.
1.2.3 Needed for movement, growth and reproduction.
1.2.4 Range of organisms that each rely on the previous one as a food source.
1.2.5 Removal of solid waste through the anus.
[5 x 2 = 10]
2|Page www.summariessa.co.za Life Sciences
Grade 10 March Paper
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