Grade 10 Life Sciences (LS) March Paper and Memo - 2024
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Course
Life Sciences
Institution
10th Grade
Grade 10 Life Sciences March Paper and Memo:
Total: 50 Marks.
Contents:
Biosphere to ecosystems | Biodiversity & classification
This is a practice paper with memorandum meant to test the student's knowledge, and will not be the same paper written for the exam.
THE SMI
SECTION A
QUESTION 1
1.1 Various options are provided as possible answers to the following questions.
Choose the correct answer and write ONLY the LETTER (A-D) next to the
QUESTION NUMBER (1.1.1-1.1.5) on your folio paper. Example 1.1.6. D.
Gr 10 learners conducted an investigation over a period of time
every afternoon at noon to determine the wind speed at various
altitudes.
Answer question 1.1.1- 1.1.3 using the above-mentioned statement.
1.1.1 Which of the following options would be the independent variable?
A Wind speed.
B Different altitudes
C Time of day
D Period of time
1.1.2 Which of the following options would be considered the dependent variable?
A Wind speed
B Different altitudes
C Time of day
D Period of time
1.1.3 Which of the following options would be a fixed variable?
A Wind speed
B Different altitudes
C Time of day
D Period of time
1.1.4 The following is NOT an abiotic factor in the ecosystem of a grasshopper.
A The air it breathes
B The temperature it can survive at
C The waste it produces
D The aspect of the mountain it lives on
1|Page www.summariessa.co.za Life Sciences
Grade 10 March Paper
, 1.1.5 Which of the following is the most appropriate example of a population?
A All organisms in a specific region of the Kruger National Park
B Inhabitants of a fish pond
C Animals in the Pretoria Zoo
D Red winged starlings in a cultivated field
[5x2=10]
1.2 Give the correct BIOLOGICAL TERM for each of the following statements.
Write ONLY the TERM next to the QUESTION NUMBER (1.2.1-1.2.4).
1.2.1 Death of all the individuals of the same species.
1.2.2 Slowing down of body activities in high temperatures.
1.2.3 Can make their own food.
1.2.4 Process of nitrogen absorption into plants. [4x1=4]
1.3 Indicate whether each of the statements in COLUMN I applies to A ONLY, B
ONLY, BOTH A and B or NONE of the items in COLUMN II. Write A ONLY, B
ONLY, BOTH A and B or NONE next to the QUESTION NUMBER (1.3.1-1.3.3).
COLUMN I COLUMN II
1.3. Location of the Savanna biome in A. Mpumalanga
1 South Africa B. Limpopo
1.3. Climate refers to A. Temperature
2 B. Humidity
1.3. Sources that decrease carbon A. Plants
3 dioxide in the atmosphere B. Animals
[3x2=6]
[TOTAL SECTION A = 20]
2|Page www.summariessa.co.za Life Sciences
Grade 10 March Paper
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