Digestion and Nutrition
Questions about digestive processes, enzymes, nutrients, and nutritional values of food components.
Questions
Which of the following is not a kind of sugar?
- Glucose
- Fructose
- Sucrose
- Jaggery
- None of these
Which of the following are known as 'body building foods'?
- Fats
- Carbohydrates
- Proteins
- Vitamins
- Minerals
Which of the following is/are fat soluble vitamin(s)?
- Vitamin A
- Vitamin B
- Vitamins A and B
- Vitamins A and D
- Vitamin D
How much more energy fats give, as compared to carbohydrates?
- 1
- 1.5
- 2.25
- 3
- 3.5
What is the principal site of carbohydrate digestion?
- Stomach
- Buccal cavity
- Small intestine
- Large intestine
Which gastric enzyme breaks down proteins into smaller amino acid chains?
- Trypsin
- Pepsin
- Peptidase
- Renin
Why does fat digestion take place more effectively in the small intestine?
- Because fat digesting enzymes are only present in the small intestine
- Because the small intestine has alkaline pH
- Because of the instability of digested fats
- Because fats are digested by bile
Which enzyme in saliva destroys certain bacteria?
- Ptyalin
- Lysozyme
- Lipase
- Renin
Which of the following are the cutting and biting type of teeth?
- Canines
- Molars
- Incisors
- Premolars
What do we call the thick, acidic and semi-fluid mass of partly digested food that is passed from the stomach to the duodenum?
- Chyle
- Gastric juice
- Chyme
- Faeces
Which of the following are chewing and grinding type of teeth?
- Molars and premolars
- Incisors
- Canines
- None of these
Which enzyme initiates the digestion of fats in the stomach?
- Pancreatic lipase
- Gastric lipase
- Bile
- Amylase