Practice Digestive System RRB PYQ questions from Railway examinations, including RRB NTPC PYQ, RRB Group D PYQ, RRB JE PYQ, RRB ALP PYQ and RRB Technician PYQ. This topic-wise Biology question set covers important concepts related to the human digestive system, digestive organs, digestive glands, enzymes and the process of digestion.
The questions cover important areas such as the mouth, oesophagus, stomach, small intestine, large intestine, liver, pancreas, salivary glands, bile, digestive enzymes, absorption of nutrients and the functions of different parts of the digestive system. These concepts are important for General Science and Biology preparation for Railway examinations.
If you are preparing for RRB NTPC Digestive System PYQ, RRB Group D Digestive System PYQ, RRB JE Digestive System PYQ, RRB ALP Digestive System PYQ, or RRB Technician Digestive System PYQ, practice these previous year questions regularly to strengthen your Biology preparation.
Start practicing Digestive System RRB PYQs with answers and explanations to strengthen your Railway Biology preparation.
Enamel consists mainly of hydroxyapatite, a calcium phosphate mineral.
82
By which process does food enter the oesophagus, according to the source options?
RRB NTPC (Stage-I)
05/04/2016 / Shift I
2016
✓ Answer:AIngestion
Source key: A. More precisely, ingestion is taking food into the mouth, while swallowing or deglutition moves it into the oesophagus.
83
What is tooth enamel made of?
RRB Group-D
24/10/2018 / Shift I
2018
✓ Answer:BCalcium phosphate
The principal mineral in enamel is calcium phosphate in the form of hydroxyapatite.
84
Human food digestion begins in _____ and is completed in _____.
RRB NTPC (Stage-I)
13/03/2021 / Shift I
2021
✓ Answer:BMouth; small intestine
Chewing and salivary amylase begin digestion in the mouth, and enzymes complete it in the small intestine.
85
Tooth enamel is made mainly of:
✓ Answer:ACalcium phosphate
Enamel is rich in hydroxyapatite, a calcium phosphate mineral. No exam details are printed for this question in the supplied PDF.
86
Which statement about food is false according to the source?
RRB NTPC (Stage-II)
17/01/2017 / Shift III
2017
✓ Answer:AIt is an abiotic substance
Source key: A. The question uses 'biotic' to mean biologically derived. This terminology is imprecise because food itself need not be living and includes nonliving constituents.
87
Which is the largest stomach compartment in ruminant hoofed animals?
RRB NTPC (Stage-I)
13/03/2021 / Shift II
2021
✓ Answer:ARumen
The rumen is the largest compartment in adult ruminants and houses microbes that ferment plant material.
88
Wave-like contraction and relaxation of the food-pipe walls is called _____ movement.
RRB NTPC (Stage-I)
19/01/2017 / Shift II
2017
✓ Answer:APeristaltic
Peristalsis propels a swallowed bolus through the oesophagus.
89
Which enzyme converts proteins into peptides?
RRB NTPC (Stage-I)
15/02/2021 / Shift I
2021
✓ Answer:BPepsin
Pepsin cleaves proteins into shorter peptide chains in the stomach.
90
Which index is commonly used to assess obesity?
RRB NTPC (Stage-I)
28/03/2016 / Shift II
2016
✓ Answer:BBMI
Body mass index is mass in kilograms divided by height in metres squared. It is a screening measure rather than a direct measurement of body fat.
Showing 81 – 90 of 125 MCQ Questions | Page 9 of 13
Tags: Digestive System RRB Biology PYQ, Digestive System Previous Year Questions, RRB NTPC Digestive System PYQ, RRB Group D Digestive System PYQ, RRB JE Digestive System PYQ, RRB ALP Digestive System PYQ, RRB Technician Digestive System PYQ, Digestive System Questions for Railway Exams, Digestive System MCQ for RRB Exams, Human Digestive System RRB PYQ
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