Grade 8 Natural Sciences (NS) March Paper and Memo - 2024 (2)
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Course
Natural Sciences
Institution
8th Grade
Grade 8 Natural Sciences March Paper and Memo:
Total: 70 Marks.
Contents of the exam paper contains the following details:
Question 1: Terminology - Micro-organisms
Question 2: Knowledge questions - Diagrams – Micro-organisms
Question 3: Matching columns - Conservation of ecosyst...
SECTION A
QUESTION 1
1.1 Various options are provided as 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 answer sheet, for example 1.1.6 D.
1.1.1 What do we call the variable that is being changed in an experiment?
A independent B method
C dependent D apparatus
1.1.2 The point on a graph where the two axes meet is.
A scale B x-axis
C origin D y-axis
1.1.3 An interdependent relationship where one species are benefitted and the other unharmed.
A mutualism B symbiosis
C commensalism D parasitism
1.1.4 The primary consumers in a food chain.
A plants B sun
C herbivores D decomposers
1.1.5 The following is an example of a population.
A All the plants growing in the pond.
B All the rocks and flowers in the desert.
C All the zebras and giraffes in the game reserve.
D All the same moths on a tree.
[5]
1|Page www.summariessa.co.za Natural Sciences
Grade 8 March Paper
, 1.2 Provide the term for the following descriptions. Write only the term next to the question
number.
1.2.1 Type of energy required for the process of photosynthesis.
1.2.2 Green pigment found in plants.
1.2.3 Chemical compound made from glucose that is commonly found in plant cell walls.
1.2.4 An educated guess of what you expect to happen in your experiment.
1.2.5 Made up of different populations living & interacting in the same area.
1.2.6 Area in which biotic & abiotic things work together as a system.
1.2.7 Place or area where organisms live.
1.2.8 An organism that can produce its own food.
1.2.9 Process to break down food to release the chemical potential energy.
1.2.10 Illegal removal of plants or animals by humans.
[10]
Total Section A: [15]
SECTION B
QUESTION 2
The following table compares the processes of photosynthesis and respiration.
Complete the table by filling in the answers from question 2.1 – 2.12
Only write the question NUMBER and ANSWER on your folio paper.
Photosynthesis Respiration
Takes place in which type of 2.1 2.2
organisms? 2.3
Requirements for this process are … 2.4 2.7
2.5 2.8
2.6
Products formed during this process 2.9 2.11
are… 2.10 2.12
[12]
QUESTION 3
2|Page www.summariessa.co.za Natural Sciences
Grade 8 March Paper
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