Year 8 - Science - 5.9.14

Thai Sikh International School

E-Learning Programme – Online Assignment –   05/09/2014

Name:                                                                                                                    Subject: Science

Year   :                                                                                                                   Schedule No. : 1                                

Tick or circle the correct answer

1. Substances which help to speed up the chemical reactions involved during digestion are called

a) Amino acid

b) Faeces

c) Enzymes

d) Fatty acids

2. The greenish liquid bile which helps in the digestion of fats is stored in

a) gall bladder

b) Pancreas

c) Liver

d) Stomach

3. Food moves along the digestive canal by

a) Gravity

b) Changes in concentration

c) Muscular contraction

d) Air pressure

4. During digestion, food is broken down into smaller diffusible substances like glucose, fatty acids and

a) Starch

b) Proteins

c) Carbohydrates

d) Amino acids

 5. Proteins are digested in the

a) Stomach and small intestine

b) Mouth and stomach

c) Mouth and small intestine

d) Small and large intestine

6. Which of the following converts starch into sugar?

a) Bile

b) Pepsin

c) Saliva

d) HCl

7. Which of these substances need to be digested before they can be absorbed?

Protein, Starch, Fats, Minerals

a) Protein and Minerals

b) Minerals

c) Protein, Starch and fats

d) Starch

8. Another name for gullet is

a) duodenum

b) Ileum

c) Oesophagus

d) Stomach

 9. In which part of the alimentary canal no digestion takes place?

a) Oesophagus

b) Mouth

c) Intestine

d) Stomach

10. Where in alimentary canal is most of the water and minerals absorbed into the blood stream?

a) Oesophagus

b) Large Intestine

c) Small intestine

d) Stomach