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.
791
What are the micro-tubules called through which blood flows from the arteries into the veins?
RRB JE
22/05/2019 (Shift-II)
2019
✓ Answer:CCapillaries
Capillaries are the smallest blood vessels. They connect arterioles to venules and permit exchange of gases, nutrients and wastes with tissues.
792
Which of the following is NOT a part of the circulatory system?
RRB NTPC (Stage-I)
28/12/2020 (Shift-II)
2020
✓ Answer:ALarge intestine
The large intestine belongs to the digestive system. The heart, blood and blood vessels form the cardiovascular system.
793
Purkinje fibres are specialised as:
RRB JE
27/05/2019 (Shift-I)
2019
✓ Answer:DNerve fibres in the heart
The source key selects D, but the wording is inaccurate. Cardiac Purkinje fibres are specialised conducting cardiac muscle cells, not nerve fibres; they rapidly transmit impulses through the ventricles.
794
What is the normal pulse rate of humans?
RRB JE
28/05/2019 (Shift-I)
2019
✓ Answer:C70–80 beats per minute
The source gives 70–80 beats per minute as a typical value. The broader usual resting adult range is 60–100 beats per minute.
795
What are the small blood vessels under our skin called?
RRB JE
02/06/2019 (Shift-I)
2019
✓ Answer:DCapillary
Capillaries are the smallest blood vessels. They connect arterioles to venules and permit exchange of gases, nutrients and wastes with tissues.
796
Which device controls the heart rate of patients?
RRB JE
27/05/2019 (Shift-IV)
2019
✓ Answer:BPacemaker
An artificial pacemaker delivers electrical impulses to regulate the heartbeat when needed.
797
Which of the following carries blood from the heart to the kidneys?
RRB NTPC (Stage-I)
22/02/2021 (Shift-II)
2021
✓ Answer:CRenal artery
Renal arteries branch from the aorta and carry blood to the kidneys.
798
Pulse beat is measured by _____.
RRB JE
02/06/2019 (Shift-IV)
2019
✓ Answer:DArtery
The pulse is felt in an artery as a pressure wave generated by the heartbeat. The answer is inferred because the printed answer is outside the supplied scan.
799
The main reason we are dependent on air is our _____.
RRB JE (Stage-II)
22/04/2025 (Shift-I)
2025
✓ Answer:ARespiration
Air supplies oxygen needed for aerobic cellular respiration, which releases energy from food.
800
Anaerobic respiration of glucose in the muscles produces _____.
RRB Group-D
28/09/2022 (Shift-II)
2022
✓ Answer:ALactic acid
During anaerobic metabolism in muscle cells, pyruvate is converted into lactate, commonly called lactic acid in school texts.
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