NEET · Biology · Digestion & Absorption doubts
10 doubts found
What does “Digestive enzymes” actually mean in Digestion & Absorption, and why does it matter for NEET?
amylase breaks starch, pepsin and trypsin break proteins, and lipase breaks fats — each in its own region.
I keep getting “Digestive enzymes” questions wrong in Digestion & Absorption. What's the trap?
thinking pepsin works in the mouth.
What does “Absorption” actually mean in Digestion & Absorption, and why does it matter for NEET?
digested nutrients are absorbed mainly in the small intestine, whose villi hugely increase surface area.
I keep getting “Absorption” questions wrong in Digestion & Absorption. What's the trap?
thinking most absorption happens in the stomach.
What does “Bile” actually mean in Digestion & Absorption, and why does it matter for NEET?
a liver secretion (stored in the gall bladder) that emulsifies fats into small droplets.
I keep getting “Bile” questions wrong in Digestion & Absorption. What's the trap?
calling bile a digestive enzyme.
What does “Peristalsis” actually mean in Digestion & Absorption, and why does it matter for NEET?
the wave-like muscular contractions that push food along the gut.
I keep getting “Peristalsis” questions wrong in Digestion & Absorption. What's the trap?
thinking gravity moves food through the gut.
What is the difference between villi and microvilli?
Villi are finger-like folds of the intestinal wall; microvilli are much smaller projections on each villus cell — together they maximise absorption area.
What is the difference between pepsin and trypsin?
Pepsin digests protein in the acidic stomach; trypsin digests protein in the alkaline small intestine.