ICSE Class 9 Digestive system MCQ New Pattern
ICSE Class 9 Digestive system MCQ By Clarify Knowledge
ICSE Class 9 Digestive system MCQ Table
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ICSE Class 9 Digestive system MCQ HERE
Pylorous is an opening from
- oesophagus into stomach
- mouth cavity into oesophagus
- stomach into intestine ✓
- intestine into rectum
Question 2
Gastric juice contains
- HCl and pepsin ✓
- pepsin and trypsin
- trypsin and HCl
- amylopsin and pepsin
Question 3
The water from the digested food is mainly absorbed by
- stomach
- duodenum
- colon ✓
- rectum
Question 4
Which one of the following pairs of types of teeth perform one common function as stated against it?
- Incisors, canines — Holding
- Canines, premolars — Tearing
- Premolars, molars — Grinding ✓
- Molars, incisors — Tearing
Very Short Answer Type
Question 1
What is the dental formula of a normal human adult?
Answer
Human adult: \dfrac{2, 1, 2, 3}{2, 1, 2, 3} = 322,1,2,32,1,2,3=32 (permanent teeth with 4 wisdom teeth added)
Question 2
Mention two reflexes which occur when a person chews and swallows food.
Answer
The two reflexes which occur when a person chews and swallows food are-
- Reflex when a person chews — Secretion of saliva.
- Reflex when a person swallows — The tongue presses upward and back against the roof (palate) of the mouth and this forces the bolus (the ball of chewed food ) into the throat or the pharynx.
Question 3
Consider the following two statements A & B and select the statements from (i) – (iv) that hold true.
A. Small intestine is shorter than large intestine.
B. Small intestine is wider than large intestine.
Options:
(i) Both the statements are correct.
(ii) Both the statements are wrong.
(iii) Statement A is correct, B is wrong.
(iv) Statement B is correct, A is wrong.
Answer
The statement that holds true is:
(ii) Both the statements are wrong.