1st Year Biology Chapter 9 TestHuman Digestive System

Q1. Multiple choice questions (Attempt all · 10 × 1 = 10)

1. What happens if unpleasant taste or smell is detected in food?

   1. Food is swallowed

   2. Food is accepted

   3. Food is rejected

   4. Saliva increases

2. What are the two portions of the pancreas?

   1. Cardiac and pyloric

   2. Exocrine and endocrine

   3. Cardiac and pyloric

   4. Superficial and deep

3. Which senses assist the tongue in food selection?

   1. Hearing and touch

   2. Sight and smell

   3. Taste and touch

   4. Pressure and temperature

4. In the liver, glucose is stored as?

   1. Starch

   2. Glycogen

   3. Cellulose

   4. Glucagon

5. What triggers the defecation reflex?

   1. Hunger

   2. Rectum filled with faeces

   3. Empty stomach

   4. Smell of food

6. What is the location of submaxillary glands?

   1. Behind jaws

   2. Below the tongue

   3. On the cheeks

   4. In front of ears

7. What is the function of the serosa layer?

   1. Absorption

   2. Secretion of enzymes

   3. Protection

   4. Protein digestion

8. Which organ performs mastication?

   1. Tongue

   2. Cheeks

   3. Palate

   4. Teeth

9. How is defecation reflex controlled in infants?

   1. Voluntarily

   2. Inhibited consciously

   3. Involuntarily

   4. Through pancreas

10. What type of digestion occurs due to stomach contractions?

    1. Enzymatic digestion

    2. Mechanical digestion

    3. Chemical digestion

    4. Bacterial digestion