Questions
Which of the following is not a part of alimentary system of man?
- Stomach
- Lungs
- Buccal cavity
- Small intestine
- Oesophagus
The digested food is absorbed in ___________.
- large intestine
- stomach
- buccal cavity
- liver
- small intestine
What does the term 'egestion' mean?
- Eating food
- Swallowing food
- Digesting food
- Faeces being removed through anus
- Nutrients being absorbed through villi
Pepsin is a protein-digesting enzyme in our stomach. But this enzyme is mostly secreted as a pro-enzyme called pepsinogen. Why is it secreted in this inactive form?
- Active pepsin will digest the wall of stomach in the absence of food.
- Active pepsin gets inactivated fast.
- Hydrochloric acid in stomach will destroy pepsin.
- Active pepsin will break down fats in food.
- Inactive pepsinogen gives time for food to reach the stomach by peristalsis.
Bile salts are vital for the break down of fats in our digestive system. Which part produces bile salts?
- Gall bladder
- Villi
- Lymph nodes
- Liver
- Spleen
Which of the following is not a function of hydrochloric acid in stomach?
- It softens the food.
- It activates pepsinogen.
- It provides acidic medium for pepsin to act.
- It kills bacteria that come along with food.
- It activates trypsinogen.
Though a strong acid like hydrochloric acid is there in the stomach, the stomach wall is well protected by _____________.
- muscles
- glands
- mucus
- hair
- layer of fat
Which of the following is a sanguinivorous animal?
- Leech
- Cow
- Bear
- Tiger
- Goat
While cutting and cleaning chicken pieces, a mother was showing her child the various parts. When she showed liver, she said that liver is a gland that can secrete bile, but it cannot store it. Where is it stored?
- Pancreas
- Gall bladder
- Villi
- Large intestine
- Stomach
What is peristalsis?
- Rhythmic wave-like movements of the food through the alimentary tract
- The act of swallowing food
- Grinding of food by teeth
- Mixing of chewed food with enzymes
- Churning of food by stomach
Bile juice is secreted from ___________.
- stomach
- intestine
- salivary gland
- liver
- pancreas
ORS is given for __________.
- cancer
- diabetes
- diarrhoea
- common cold
- allergy
Which enzyme breaks down starch into simple sugars?
- Lipase
- Trypsin
- Salivary amylase
- Pepsin
- Chitinase
On breaking down proteins, _______________ is/are obtained as basic units.
- simple sugars
- fatty acids
- nucleotides
- amino acids
- glycerol
A person eats butter. He wonders, which enzyme digests butter in his body. The enzyme, which will digest it, is _________.
- chymotrypsin
- lipase
- amylase
- pepsin
- cellulose