P4 Science · Human System (Digestive System) · 203 questions · difficulty D1–D5 · Singapore MOE-aligned
Sample questions
SAMPLE 1
During a school camp, Ahmad ate an apple. In which part of his digestive system does the apple first begin to be broken down into smaller pieces?
A Mouth
B Stomach
C Small intestine
D Large intestine
SAMPLE 2
During a school sports day, Alex drank 200 mL of water after running. Which part of his digestive system is mainly responsible for absorbing this water into his bloodstream?
A Large intestine
B Stomach
C Small intestine
D Oesophagus
SAMPLE 3
During a school camp, Ravi ate a bowl of rice for dinner. His digestive system broke down the rice into simple sugars. In which part of the digestive system does the breakdown of rice into simple sugars mainly take place?
A Small intestine
B Large intestine
C Stomach
D Mouth
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