Free Digestion And Absorption (Daily Quiz: 10) NEET Biology Questions & Answers with Detailed Explanation & Full Review
Free Digestion And Absorption (Daily Quiz: 10) Time:
Question-1
To which of the following families do folic acid and pantothenic acid belong?
(a)
(b)
(c)
(d)
Answer: (b)
Vitamin B complex is a group of water soluble vitamins that characteristically serve as components of coenzymes. Plant and many micro- organisms can manufacture B-vitamins but dietary sources are essential for most animals. Heat and light tend to destroy B vitamins. The vitamin B complex consists of 8 different components - $B_1 , B_2 , B_3$ , pantothenic acid, $B_6$ , folic acid, biotin and $B_12$ . Pantothenic acid functions as a part of coenzyme A in cell respiration while folic acid functions as part of coenzymes in protein and nucleic acid metabolism.
Question-2
If for some reason our goblet cells becomes nonfunctional then this will adversely affect
(a)
(b)
(c)
(d)
Answer: (d)
Goblet cells, found in the intestinal mucosal epithelium, secretes mucus. The mucus lubricates the food for its easy passage. So, if for some reason, goblet cells become non-functional, it will adversely affect the smooth movement of food down the intestine.
Question-3
Enterokinase takes part in conversion of
(a)
(b)
(c)
(d)
Answer: (a)
The enzyme Enterokinin (enteropeptidase) secreted by the intestinal mucosa activates trypsinogen into trypsin.
Question-4
Which of the following are parasites of intestine?
(a)
(b)
(c)
(d)
Question-5
Select the correct match of the digested products in humans with their absorption site and mechanism. Column-I Column-II (a) Fructose, $Na^{+}$ – Small intestine, passive absorption (b) Glycerol, fatty acids – Duodenum, move as chylomicrons (c) Cholesterol, maltose – Large intestine, active absorption (d) Glycine, glucose – Small intestine, active absorption
Column-I | Column-II | |
(a) | Fructose, $Na^{+}$ | – Small intestine, passive absorption |
(b) | Glycerol, fatty acids | – Duodenum, move as chylomicrons |
(c) | Cholesterol, maltose | – Large intestine, active absorption |
(d) | Glycine, glucose | – Small intestine, active absorption |
(a)
(b)
(c)
(d)
Answer: (d)
Small intestine is the major area of absorption of nutrients. Approximately 80% of absorption take place here. Glucose, fructose, fatty acids, amino acids (glycine etc.) are absorbed through mucosa into blood and lymph by active absorption.
Molecular Basis Of Inheritance Quiz 1091 | Biotechnology Principles And Processes Quiz 1092 | Biotechnology And Its Applications Quiz 1093 | Organisms And Populations Quiz 1094 | Ecosystem Quiz 1095 |
NEET Biology Quiz
Topic Wise Quizzes-
The Living World
-
Biological Classification
-
Plant Kingdom
-
Animal Kingdom
-
Morphology of Flowering Plants
-
Anatomy of Flowering Plants
-
Structural Organisation in Animals
-
Cell-The Unit of Life
-
Biomolecules
-
Cell Cycle and Cell Division
-
Transport in Plants
-
Mineral Nutrition
-
Photosynthesis in Higher Plants
-
Respiration in Plants
-
Plant Growth and Development
-
Digestion and Absorption
-
Breathing and Exchange of Gases
-
Body Fluids and Circulation
-
Excretory Products and Their Elimination
-
Locomotion and Movement
-
Neural Control and Coordination
-
Chemical Coordination and Integration
-
Reproduction In Organisms
-
Sexual Reproduction in Flowering Plants
-
Human Reproduction
-
Reproductive Health
-
Principles of Inheritance and Variation
-
Molecular Basis of Inheritance
-
Evolution
-
Human Health and Diseases
-
Strategies for Enhancement in Food Production
-
Microbes in Human Welfare
-
Biotechnology: Principles and Processes
-
Biotechnology and Its Applications
-
Organisms and Populations
-
Ecosystem
-
Biodiversity and Conservation
-
Environmental Issues
NEET Biology MCQ Topic Wise Exercise
-
The Living World
-
Biological Classification
-
Plant Kingdom
-
Animal Kingdom
-
Morphology of Flowering Plants
-
Anatomy of Flowering Plants
-
Structural Organisation in Animals
-
Cell-The Unit of Life
-
Biomolecules
-
Cell Cycle and Cell Division
-
Transport in Plants
-
Mineral Nutrition
-
Photosynthesis in Higher Plants
-
Respiration in Plants
-
Plant Growth and Development
-
Digestion and Absorption
-
Breathing and Exchange of Gases
-
Body Fluids and Circulation
-
Excretory Products and Their Elimination
-
Locomotion and Movement
-
Neural Control and Coordination
-
Chemical Coordination and Integration
-
Reproduction In Organisms
-
Sexual Reproduction in Flowering Plants
-
Human Reproduction
-
Reproductive Health
-
Principles of Inheritance and Variation
-
Molecular Basis of Inheritance
-
Evolution
-
Human Health and Diseases
-
Strategies for Enhancement in Food Production
-
Microbes in Human Welfare
-
Biotechnology: Principles and Processes
-
Biotechnology and Its Applications
-
Organisms and Populations
-
Ecosystem
-
Biodiversity and Conservation
-
Environmental Issues
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