Class 11 Biology · Chapter 9 · Test 1
Oral Cavity and Swallowing
42 MCQs. This part covers the digestive system anatomy, the functions of the oral cavity, saliva and salivary glands, and swallowing. It also covers the oesophagus, peristalsis, segmentation and antiperistalsis, along with the related exercise MCQs.
42 questions · 30 min · 42 marks
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Sample questions
The first 5 of 42. Try each one, then tap to see the answer.
Question 1
Digestion is the process by which the body breaks down food into:
- ASmaller absorbable components
- BLarger molecules
- COnly water
- DOnly gases
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Answer: A
Digestion breaks down food into smaller absorbable components.
Question 2
Digestion is crucial for converting food into energy and raw materials required for:
- AGrowth, repair and maintenance
- BOnly storage
- COnly excretion
- DOnly respiration
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Answer: A
Digestion provides energy and raw materials for growth repair and maintenance of body functions.
Question 3
Efficient digestion helps to prevent:
- ANutrient deficiencies
- BPhotosynthesis
- COsmosis
- DTranspiration
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Answer: A
Efficient digestion prevents nutrient deficiencies supports metabolism and maintains energy levels.
Question 4
The human digestive system is composed of the GI tract and:
- AAccessory digestive organs
- BOnly the stomach
- COnly the liver
- DOnly the mouth
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Answer: A
The system is composed of the gastrointestinal tract and accessory digestive organs.
Question 5
The GI tract is a continuous tube extending from:
- AMouth to anus
- BStomach to anus
- CMouth to stomach
- DPharynx to colon
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Answer: A
The GI tract extends from mouth to anus.
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