Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
NEET 2009
Exam
NEET
Year
2009
Subject
Zoology
Chapter
Digestion and Absorption

NEET 2009 · Zoology · Digestion and Absorption

Which one of the following pairs of food components in humans...

Which one of the following pairs of food components in humans reaches the stomach totally undigested?

Options

  1. AProtein and starch
  2. BStarch and fat
  3. CFat and cellulose
  4. DStarch and cellulose

Correct answer

C. Fat and cellulose

Step-by-step solution

In humans, starch is digested in buccopharyngeal cavity. Cellulose is not digested in the humans because cellulose contains β−1\beta-1, 4-linkage and vertebrates themselves do not possess any enzyme capable of hydrolyzing β−1\beta-1, 4-linkages. Protein is digested in stomach and fat in small intestine. Thus, in the given options, fat and cellulose reach totally undigested in the stomach of humans.
Practice Digestion and Absorption on Quantrex Academy →

More from Digestion and Absorption

Select the correct sequential steps regarding absorption of fatty acids and glycerol, in… NEET 2023Match List I with List II . List I (Cells) List II (Secretion) A. Peptic cells I. Mucus… NEET 2023Once the undigested and unabsorbed substances enter the caecum, their backflow is… NEET 2023Choose the incorrect enzymatic reaction : NEET 2022Match List-I with List-II regarding the organs of Cockroach: Choose the correct answer… NEET 2022Role of enamel is to : NEET 2022A unique vascular connection between the digestive tract and liver is called NEET 2022Which of the following functions is not performed by secretions from salivary glands? NEET 2022 Full Digestion and Absorption list All NEET PYQs