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 to D) next to the question number (1.1 to 1.5) in
your ANSWER BOOK, for example 1.6 D.
1.1.1 The role of water in nutrition is to …
A prevent the movement of food down the alimentary canal.
B prevent the lubrication of all passages.
C create an acidic medium in the stomach.
D be a solvent for chemical reactions.
1.1.2 The part of the microscope used to magnify a specimen.
A Objective lens
B Stage
C Body tube
D Base
1.1.3 Which of the following is the site of protein synthesis?
A Golgi body
B Cell wall
C Ribosomes
D Plasma membrane
1.1.4 What is the magnification of the eye piece if the total magnification is 40x
and the objective lens is 10x?
A 40x
B 4x
C 15x
D 2x
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, 1.1.5 Goitre may result when there is a decrease in…
A calcium
B iodine
C sodium
D magnesium (5 x 2) (10)
1.2 Give the correct biological term for each of the following descriptions. Write only the term next
to the question number (1.2.1 to 1.2.4) in your ANSWER BOOK
1.2.1 Organic compound made up of three fatty acids and one glycerol
1.2.2 Movement of molecules from a region of high concentration to lower concentration
1.2.3 Disease that occurs in children when deficient in vitamin D
1.2.4 Monomers of proteins (4 x 1) (4)
1.3 Indicate whether each of the descriptions 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 (1.1 to 1.3) in the ANSWER BOOK.
COLUMN I COLUMN II
1.3.1 Makes up the cell membrane A Lipids
B Proteins
1.3.2 Gives colour to some fruits and A Leucoplasts
vegetables B Chromoplasts
1.3.3 Controls protein synthesis A Nucleus
B Mitochondrion
(3 x 2) (6)
SECTION A TOTAL: 20
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