Practice RRB JE Biology PYQ questions from previous Railway Recruitment Board examinations. This Biology question collection is designed for candidates preparing for the RRB JE examination and covers important Biology concepts relevant to the General Science section.
This collection includes RRB JE Physics PYQ, previous year questions, and important practice questions designed to help candidates revise important Physics concepts and become familiar with the types of questions asked in Railway examinations.
The RRB JE Biology PYQ collection includes previous year questions with the correct answer and clear explanation, helping you understand important concepts and revise Biology in an exam-oriented way. Solving previous year questions can also help you become familiar with the types of questions asked in RRB JE examinations.
Practice questions from important areas of The RRB JE Biology Question, including Cell, Tissues, Human Body, Plant Biology, Animal Kingdom, Classification, Life Processes, Nutrition, Respiration, Reproduction, Diseases, Genetics, Ecology and other important Biology concepts.
Whether you are looking for RRB JE Biology PYQ, RRB JE Biology Questions, RRB JE Biology MCQs, or RRB JE Biology Previous Year Questions with Answers, this collection provides focused practice for your Railway exam preparation.
Start practicing RRB JE Biology PYQs with answers and explanations and strengthen your General Science preparation for the RRB JE exam.
561
Which tissue covers the lining of the mouth and oesophagus?
RRB Technicians Grade-III
23/12/2024 / Shift III
2024
✓ Answer:BStratified squamous epithelium
Stratified squamous epithelium protects these surfaces from abrasion by food.
562
The oesophagus belongs to which major organ system?
RRB RPF Constable
06/03/2025
2025
✓ Answer:CDigestive system
The oesophagus is a muscular food pipe that transports food to the stomach.
563
Which gland secretes the enzyme trypsin?
RRB Technicians Grade-III
27/12/2024 / Shift II
2024
✓ Answer:DPancreas
The pancreas secretes trypsinogen, which is activated to trypsin in the small intestine for protein digestion.
564
In digestion, which option best describes a bolus?
RRB RPF Constable
18/03/2025
2025
✓ Answer:DA mixture of food and saliva formed during chewing
A bolus is the softened mass of chewed food mixed with saliva, ready to be swallowed.
565
Our mouth waters because of saliva when we eat something we like. Which enzyme in saliva breaks down starch into simpler sugars?
RRB Technicians Grade-III
23/12/2024 / Shift III
2024
✓ Answer:CAmylase
Salivary amylase begins starch digestion in the mouth, forming maltose and shorter carbohydrate chains.
566
Two test tubes contain water and rice: A contains boiled rice, while B contains boiled and chewed rice. Iodine solution is added to both. Why does blue colour not appear in test tube B?
RRB Group-D
26/08/2022 / Shift I
2022
✓ Answer:CStarch was digested by salivary amylase
Salivary amylase breaks down starch during chewing. With starch digested, the blue-black starch-iodine colour does not develop. The source diagram is described in the question text.
567
Which enzyme in saliva breaks down the complex molecule starch into simpler sugars?
RRB Group-D
17/09/2022 / Shift I
2022
✓ Answer:BSalivary amylase
Salivary amylase, also called ptyalin, starts starch digestion.
568
Which is NOT a function of bile juice?
RRB Group-D
09/09/2022 / Shift II
2022
✓ Answer:BProviding a protein-digesting enzyme
Bile contains no protein-digesting enzyme. It emulsifies fats and helps provide conditions for intestinal digestion.
569
What is the function of villi in the small intestine?
