Page 41 - Biology Form Two

Biology for Secondary Schools

Revision exercise 1 (e) Nutrients are chemical
Section A components of food.
(f) Macronutrients are required by
1. Write TRUE for a correct statement the body in small quantities.
and FALSE for an incorrect
FOR ONLINE READING ONLY
statement. (g) The calorie is a unit of
measurement of food energy.
(a) All disaccharides are soluble in (h) Nutrients contain kilocalories
water. (kcal) which can be burned in

(b) Galactose is a fruit sugar. the body to provide heat.
(c) Proteins are the major source of (i) Carbohydrates are
energy. micronutrients because they
(d) The emulsion test is used to test are required by the body in
for proteins. large quantities.

2. Match the statement in Column A with its corresponding term in Column B.
Column A Column B

(i) A chart depicting the recommended amounts A. Malnutrition
from different food groups that nutritionists B. Protein
consider as healthy eating
C. Carbohydrate
(ii) Chemical components of foods
D. Roughage
(iii) A substance that is important in the diet, but
which cannot be digested and absorbed by E. Vitamins
human beings F. Food guide

(iv) Poor nutrition resulting from insufficient or pyramid
poor diet or from defective digestion G. Nutrients

(v) An organic compound composed of carbon, H. Marasmus
hydrogen and oxygen and is the main source I. Micronutrient
of energy
J. Kwashiorkor
(vi) An organic nutrient that an organism
requires in small quantities K. Food test

(vii) An important nutrient for body growth and L. Rickets
repair of worn out cells and tissues M. Biuret test

Student’s Book - Form Two
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05/10/2024 15:36:21
BIOLOGY FORM 2 NEW.indd 35
BIOLOGY FORM 2 NEW.indd 35 05/10/2024 15:36:21