ANSWER BIOLOGY QUIZ1

This is the answers to a short quiz concerning nutrition a biology topic.

1. The main function of proteins in an animal body is:-

(a) To provide haemoglobin for carrying oxygen in the blood
(b) To provide a material from which bones are made
(c) To provide raw materials for the manufacture of protoplasm in the cells
(d) To provide materials for building and of repairing damaged and worn out tissues

2. Which of the following substances is the most abundant compound in a living cell?

(a) Fats
(b) Water
(c) Proteins
(d) Carbohydrates

3. In every case, the synthesis of proteins, fats and carbohydrates from simple compounds involves;

(a) Removal of water
(b) Addition of water
(c) Removal of nitrogen
(d) Addition of nitrogen

4. The following statements show vitamin and the effect caused by its deficiency which is the best match?

(a) Vitamin A.....Skin is dry and scaly
(b) Vitamin B.....Loss of appetite and yawning
(c) Vitamin D.....Bones are soft and deformed
(d) Vitamin C.....Anaemia and high blood pressure

5. Which of the following groups of food substances are carbohydrates?

(a) Cellulose, egg white and starch
(b) Sugar, beans and wheat flour
(c) Starch, meat and groundnuts
(d) Cellulose, sugar and glucose

6. If a solution of cooked starch is mixed with saliva and samples from the mixture are tested with iodine solution at one-minute intervals after mixing, what results would you expect if the mixture was kept at 30°C?

(a) Nothing would be formed in any of the samples.
(b) Blue/ black colour would be formed in the first few samples and a yellow/ brown in the later samples
(c) A yellow/ brown colour would be formed in the first few samples and a blue/ black colour in the later samples
(d) A blue/ black colour would be formed in all samples however long the experiment was

7. The enzyme pepsin is produced by certain cells in the:

(a) Stomach
(b) Pancreas
(c) Duodenum
(d) Pituitary

8. The optimum temperature for the enzyme is between.

(a) 15°C......25°C
(b) 26°C......35°C
(c) 36C.......45°C
(d) 46°C......55°C

9. The thyroid glands produce the hormone insulin, which regulates the amount of sugar in the blood. Deficiency of the hormone leads to diabetes mellitus, a disease diagnosed by too much sugar in the blood. What is wrong with this statement is that:-

(a) Insulin regulates the amount of glucose in the blood
(b) Deficiency of insulin leads to diabetes mellitus
(c) Diabetes mellitus is a disease diagnosed by too much sugar in the blood
(d) The thyroid glands produce the hormone insulin

10. If boiled with Fehling's solution (Benedict's solution) which is blue, the mixed green and finally produces an orange, yellow or red coloured precipitate. This is the test for:

(a) Lipids
(b) Proteins
(c) Reducing sugar
(d) Sucrose

PLEASE FOR ANY COMMENT FEEL FREE TO MAKE