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.
641
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.
642
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.
643
What normally protects the stomach lining from acid?
RRB NTPC (Stage-I)
05/01/2021 / Shift I
2021
✓ Answer:AMucus
The mucus-bicarbonate barrier protects the gastric lining from acid and digestive enzymes.
644
Where does most fat digestion occur?
RRB NTPC (Stage-I)
03/04/2021 / Shift II
2021
✓ Answer:CSmall intestine
Most fat digestion occurs in the small intestine through pancreatic lipase, aided by bile salts.
645
Which statement is NOT correct?
RRB NTPC (Stage-I)
06/04/2021 / Shift I
2021
✓ Answer:AThe stomach receives secretions from the liver and pancreas
Bile and pancreatic juice enter the duodenum of the small intestine, not the stomach. Pepsin is secreted initially as pepsinogen.
646
The pancreas is part of which system among these options?
RRB NTPC (Stage-I)
31/03/2016 / Shift I
2016
✓ Answer:CDigestive system
The pancreas secretes digestive enzymes into the small intestine. It also has endocrine functions.
647
Which is not part of the human alimentary canal?
RRB Group-D
23/10/2018 / Shift III
2018
✓ Answer:BAlveoli
Source key: B. Alveoli belong to the lungs. However, the gallbladder is an accessory digestive organ and also is not part of the alimentary canal itself, making the printed question ambiguous.
648
Coliform bacteria in drinking water can indicate:
RRB NTPC (Stage-I)
30/04/2016 / Shift III
2016
✓ Answer:DContamination from human waste
Source key: D. Faecal coliforms, particularly E. coli, indicate possible faecal contamination. Total coliforms alone are not specific to human waste.
649
In which unit is energy obtained from food commonly measured?
RRB NTPC (Stage-I)
18/04/2016 / Shift I
2016
✓ Answer:ACalories
Food energy is commonly expressed in kilocalories, also called dietary Calories, and in kilojoules.
650
Saliva contains which enzyme?
RRB Group-D
25/10/2018 / Shift II
2018
✓ Answer:CAmylase
The intended answer is salivary amylase, which initiates starch digestion.
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