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Further Education and Training
GRADE 9
G
NATURAL SCIENCES
MARCH TEST
2021
MARKS: 100
EXAMINER: MR X
DURATION: 2 HOURS
MODERATOR: MS Y
INSTRUCTIONS:
1. Write your surname, name and class on the question paper.
2. Answer all questions on the question paper.
3. This question paper consists of 11 pages
4. This examination paper consists of six questions.
5. Follow the instructions and numbering of each question.
6. All drawings should be done in pencil and labelled in blue or black ink.
7. Write neatly and legibly
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QUESTION 1
10
Various options are provided as possible answers to the following questions. Choose
the correct answer by writing the correct letter (A – D), next the question number.
1.1 The cell organelle where food is manufactured is the…..
A. Nucleus
B. Mitochondria
C. Chloroplast
D. Cell membrane
1.2. Which of the following is a male reproductive hormone?
A. Testosterone
B. Testes
C. Oestrogen
D. Progesterone
1.3 Which of the following statements best describes the process of gaseous
exchange in the human body?
A. In the lungs, the alveoli take up the carbon dioxide and oxygen is released into the
blood
B. Oxygenated blood is transported from the lungs to the left side of the heart
C. Diffusion of red blood cells takes place
D. The combination of oxygen and food to release energy, water and carbon dioxide
from cells.
1.4.Which process is shown in the diagram below?
A. Metamorphosis
B. Regulation
C. Fertilization
D. Respiration
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1.5 The blood vessel that transport blood away from the heart
A. Arteries
B. Exhalation
C. Veins
D. Urethra
1.6 The physical breaking down of food by crushing, mashing and churning is known as
...
A absorption.
B mechanical digestion.
C egestion.
D chemical digestion.
1.7 The random movement of particles from a region of high concentration to a
region of low concentration, is called ...
A respiration.
B diffusion.
C breathing.
D gaseous exchange.
1.8 The removal of metabolic waste products from the body which takes place in
cells in the form of urine, sweat and exhalation is known as ...
A excretion.
B inhalation.
C digestion.
D absorption.
1.9 A group of similar cells performing the same function is called...
A a system.
B an organ.
C a type of tissue.
D a cell.
1.10 Digestion begins in the ...
A
B
C
D
mouth.
small intestine.
large intestine.
stomach.
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QUESTION 2
10
2.1 Match the statement in COLUMN A with the correct concept in COLUMN B.
Write only the letter (A – H) next to the question number (2.1.1 – 2.1.5).
Column A
Column B
2.1.1 Scrotum
A
Secretes bile
2.1.2 Liver
B
Where only digestion of food takes
place
2.1.3 Intestines
C
Where digestion and absorption of
food takes place
2.1.4 Stomach
D
Absorption of water and glucose from blood
2.1.5 Filtration
E
Produces chyme
F
Contracts and relaxes for locomotion
G
Regulates the temperature of the
testes
H
Stores bile until it is needed
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2.2 Match the statement in COLUMN A with the correct concept in COLUMN B.
Write only the letter (A – H) next to the question number (2.2.1 – 2.2.5).
COLUMN A
2.2.1 Part of the excretion process that
occurs in the kidneys.
COLUMN B
A Zygote
2.2.2 The fused egg and sperm cell.
B Pancreas
2.2.3 Carries hereditary information in
the cell.
C Absorption
2.2.4 Removes toxins from the digestive D Lungs
system.
2.2.5 Produces proteins for the cell
E Ribosome
F Filtration
G DNA
H Liver
QUESTIONS 3: SCIENTIFIC TERMS
Give the correct scientific term for each of the following descriptions. Write
only the term next to the correct (3.1 – 3.6).
3.1. The release of a ripe ovum from the ovaries.
3.2. The site where human fertilization takes place.
3.3. The ability to move from one place to another.
3.4. Cells in sense organs which detects particular environment.
3.5. Male sex organs where sperm cells are produced.
3.6 The functional unit of all living organisms
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QUESTION 4
CELLS AS THE BASIC UNITS OF LIFE
Study the following structure and answer the questions that follow.
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A
B
C
D
E
F
G
Use the picture above to answer the following questions.
4.1. Name part C, E & G of the plant cell and its function.
(3)
4.2. Name the part of the plant cell which makes the plant tissue stiff.
(1)
4.3. The plant and animal cells, both have a nucleus. What is the
Function of the nucleus?
(2)
4.4 Name the part that allows the plant cell to be able to make its own food
(1)
4.5 Tabulate two differences between a plant and an animal cell
(2)
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QUESTION 5
18
Use the following diagram to answer the questions below
A
B
C
D
E
F
G
H
5.1.1. Which system is shown in the diagram above.
(1)
5.1.2. List the processes which takes place at part A, C, F and H.
(4)
5.1.3. Provide the labels for part B to F.
(5)
5.1.4. What is the function of part D?
(2)
5.1.5. Give TWO health issues associated with this system.
(2)
5.2. List one symptom of
5.2.1 Anorexia Nervosa
5.2.2 Diarrhoea
5.3 Explain what a balanced diet is.
(1)
(1)
(2)
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QUESTION 6
23
Study the following structures and answer the questions that follow.
STRUCTURE A
STRUCTURE B
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6.1.1 Identify Structure A and Structure B.
(2)
6.1.2 Label the part marked A in Structure A.
(1)
6.1.3 Give a reason why the testes hang outside the body.
(2)
6.1.4 The part labelled 4 in Structure B is the uterus. What is its function?
(1)
6.1.5 Label the part marked 2 in Structure B.
(1)
6.1.6 Where on the diagram do each of the following take place?
Write the letter from the diagram only.
(4)
a) the release of the egg:
b) fertilization:
c) implantation:
d) area where the penis is inserted during intercourse:
6.1.7 Name the part mentioned in the answer to Question 6.6.
(1)
6.1.8 Give ONE (1) reason why condoms are a popular method of
contraception.
(1)
6.1.9 List THREE changes that occur in the body of the male during puberty.
(3)
6.2 Read the following statement:
“Puberty is the time of your life when the sexual organs mature for reproduction.”
6.2.1. These changes are caused by hormones. Which gland is responsible for
releasing these hormones?
(1)
6.2.2 Where is this gland located?
(1)
6.2.3. What is the function of hormones in the body?
(1)
6.2.4. Which hormone is released from the testes in males?
(1)
6.2.5. Which hormone is released from the ovaries in females?
(1)
6.2.6. Explain the difference between the menstrual cycle and menstruation.
(2)
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QUESTION 8
15
Below is a diagram showing the structure of the alveolus. Use it to answer the
question below
7.1 What type of blood enters the lungs through the pulmonary artery
(1)
7.2 Which blood A or B contains more oxygen
(1)
7.3 Discuss how carbon dioxide leaves the blood and enters the alveolus
(3)
7.4 Name the process explained in 7.3
(1)
7.5 Why is it important for blood to transport oxygen to the body cells
(2)
7.6 Name any three components found in blood
(3)
7.7 The following diagram shows the sequence of the circulation of blood in humans
Draw the following diagram on your answer book and complete using the following
words. The words may be used more than once
(4)
Left; right; atrium; ventricle; lungs; rest of the body
Right Atrium
Rest of the body
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QUESTION 8
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Use the diagram below to answer the following questions
8.1Give the names of the structures labelled 1,2 & 4
(3)
8.2 What is produced in the structure labelled 2
(1)
8.3 Describe the process of filtration
(2)
8.4 What is the function of the part labelled 4
(1)
8.5 Name any disease that can affect the structure labelled 4
(1)
TOTAL 100