Revision Part 1 (Human)

Which of the parts labelled A, B, C or D secretes enzyme for digestion of fat?

• A

• B

• C

• D

Which of the following are enzymes X and Y?

• X = Rennin, Y = Casein

• X = Pepsin, Y = Casein

• X = Pepsin, Y = Trypsin

• X = Trypsin, Y = Pepsin

Diagram shows the structure of a villus.

Which of the following can be found in X and Y?

• X = Glycerol, Y = Sucrose

• X = Glycerol, Y = Minerals

• X = Vitamin A, Y = Fatty Acids

• X = Vitamin K, Y = Amino acids

Which of the following occurs in the rectum?

• Absorption of minerals

• Storage of faeces

• Digestion of cellulose

• Synthesis of vitamin K

Where is bile produced in the human body?

• Gall bladder

• Liver

• Stomach

• Pancreas

Diagram shows the alimentary canal of a rodent.

Which part of the alimentary canal is the site where cellulose digestion occurs?

• P

• Q

• R

• S

A diet high in dietary fibre helps to prevent

• constipation

• anaemia

• rickets

• beri-beri

Gastritis is caused by

• difficulty in elimination of faeces

• swollen veins in the rectum or anus

• formation of polyps in the colon wall

• inflammation and erosion of the stomach epithelial lining

Process X occurs in the oesophagus. It involves muscular contraction to push the food downwards to the stomach. What is process X?

• Ingestion

• Digestion

• Egestion

• Peristalsis

Amy is suffering from Vitamin C deficiency. What deficiency symptom would she have?

• Obese

• Rickets

• Pellagra

• Scurvy