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MARCH EXAMINATION: NATURAL SCIENCES PAPER
KHOMBINDLELA HIGH SCHOOL
MARCH EXAMINATION
GRADE 9
MARCH 2022
NATURAL SCIENCE PAPER
Time: 1 hour
50 marks
Examiner:
Miss S. Gule and Mr Nxumalo
Moderator:
Miss T.P. Mkhwanazi
PLEASE READ THE FOLLOWING INSTRUCTIONS CAREFULLY
1. This question paper consists of 5 pages and an Information Sheet of 1 page (1). Please
check that your paper is complete.
2. Read the questions carefully.
3. Answer all the questions.
4. Number your answers exactly as the questions are numbered.
5. You may use an approved non-programmable and non-graphical calculator, unless
otherwise stated.
6. It is in your own interest to write legibly and to present your work neatly.
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MARCH EXAMINATION: NATURAL SCIENCES PAPER
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SECTION A
QUESTION 1
1.1. There are four possible answers for each question in the following questions. Each
question number has only ONE correct answer. Write the letter that presents the answer,
whether its A, B,C or D next to a Question Number. E.g. 11.1. D
1.1.1 The group of cells with the similar shape and size working together form … (2)
A. Cell
B. Organ
C. Tissue
D. Placenta
1.1.2 The site of fertilisation.
(2)
A. Mitochondria
B. Oviducts
C. Uterus
D. Ovary
1.1.3 This organelle is only found in plant cells.
(2)
A. Chlorophyll
B. Chloroform
C. Chlorine
D. Chloroplast
1.1.4 It filters harmful substance from reaching the foetus
(2)
A. Umbilical cord
B. Placenta
C. Amniotic fluid
D. Uterus
1.1.5. The Fusion of the sperm cell and the ovum, producing a zygote.
(2)
A. Implantation
B. Fertility
C. Sterility
D. Fertilization
1.1.6. A very thin tube that joins the arteries with the vein.
(2)
A. Heart
B. Oxygen
C. Capillaries
D. Blood
[12]
QUESTION 2
2.1 Give one word/term for each of the following descriptions. Write only the word or term
next to the question number.
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2.1.1. Micro-organisms made up of a single cell.
2.1.2. The chemical substances that control chemical reactions in the body.
2.1.3. The health condition related to the circulatory system.
2.1.4. The organelle that controls all the vital activity of the cell.
2.1.5. The process whereby the ball of cell (zygote) hits itself on the blood vessels of the
uterus.
2.1.6. The organ that carries urine.
(1)
(1)
(1)
(1)
(1)
[6]
TOTAL SECTION A: 18
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MARCH EXAMINATION: NATURAL SCIENCES PAPER
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SECTION B
QUESTION 3
3.1. Study the diagram below and answer the questions based on it.
3.1.1. Identify the figure displayed
3.1.2. Support your answer from 3.1.1.
3.1.3. Identify the organelle label E
3.1.4. Provide labels for organelles A, B, and D respectively
3.1.5. What is the function of the Nuclues?
3.1.6. Name the tissue that is responsible for transporting water in plants
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(2)
(2)
(2)
(3)
(1)
(1)
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MARCH EXAMINATION: NATURAL SCIENCES PAPER
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3.2 Study the diagram of the human heart and answer the questions based on it.
3.2.1 Identify the parts labelled:
a) A
b) E
c) F
3.2.2 Give the LETTER and NAME of the part that:
a) Carries blood from the upper part of the body to the heart.
b) Prevents blood from flowing back into the right atrium.
c) Is a muscular wall that separates the ventricles
(3)
(3)
[17]
QUESTION 4
4.1. Define gas exchange.
4.2. Explain what happens during the process of:
4.2.1. Inhalation
4..2. Exhalation
(2)
(1)
(1)
4.2. How does smoking affect this process?
(1)
4.3. Explain the phrase Have a healthy diet.
(1)
[02]
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MARCH EXAMINATION: NATURAL SCIENCES PAPER
QUESTION 5
5.1 The diagram shows part of the respiratory system. Study the diagram and answer the
questions based on it.
5.1. Identify the structures labelled X and Y.
(2)
5.2. How is Y adapted to perform gaseous exchange
(1)
5.3. The respiratory system is working closely with the system that is composed of the heart,
arteries, capillaries and veins. What is the name of this system?
(1)
5.4. Name TWO processes associated with the system mentioned in your answer to question
5.3
(2)
5.5. Asthma is when the bronchioles become chronically inflamed. People find it difficult to
breathe. Name TWO other illnesses associated with the respiratory system.
(2)
5.6. Consider the following statement:
Some systems in the human body are more important than others.
Is this statement TRUE or FALSE? Give a reason for your answer.
(2)
[10]
TOTAL MARKS SECTION B: 29
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