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.
781
In human beings, which of the following has a high affinity for oxygen?
RRB NTPC (Stage-I)
12/01/2021 (Shift-II)
2021
✓ Answer:BHaemoglobin
Haemoglobin is the iron-containing pigment in red blood cells. It binds oxygen in the lungs and transports it to body tissues.
782
A person with AB blood group:
RRB NTPC (Stage-I)
31/03/2016 (Shift-II)
2016
✓ Answer:CCan receive blood from any blood group
In the ABO system, AB individuals lack anti-A and anti-B antibodies and are universal red-cell recipients. Rh compatibility and crossmatching still matter.
783
_____ is divided into four parts.
RRB JE
31/05/2019
2019
✓ Answer:DHeart
The human heart has four chambers: two atria and two ventricles.
784
Which of the following can be compared to soldiers?
White blood cells, also called leukocytes, defend the body against pathogens and participate in immune responses.
785
The wall of the ventricle is _____ than the wall of the atrium.
RRB JE
2014
✓ Answer:AThicker
Ventricles require thicker muscular walls because they pump blood out of the heart, whereas atria mainly pump blood into the ventricles.
786
Karl Landsteiner is known for:
RRB NTPC (Stage-I)
07/04/2021 (Shift-I)
2021
✓ Answer:BDiscovery of blood group classification
Karl Landsteiner is known for discovering the ABO blood-group system.
787
Which of the following is not true about WBCs?
RRB Group-D
10/10/2018 (Shift-II)
2018
✓ Answer:ASize: 18–24 µm
The source identifies the stated size as incorrect. White blood cells vary in size by type, so a single range of 18–24 µm does not describe all WBCs.
788
Which of the following statements is INCORRECT?
RRB NTPC (Stage-I)
18/01/2021 (Shift-II)
2021
✓ Answer:CBlood helps in sensory inputs
Sensory input is received and transmitted by the nervous system. Blood transports substances and contributes to immune defence.
789
Which of the following is not true about the vascular system?
RRB Group-D
03/10/2018 (Shift-I)
2018
✓ Answer:DBlood is white or red vascular connective tissue
The source key identifies D: human blood is red fluid connective tissue. The percentage in B refers to blood mass, and the volume in A varies with body size.
790
The heart is covered by two layers of membranes. What are these membranes called?
RRB Group-D
01/11/2018 (Shift-II)
2018
✓ Answer:BPericardial membrane
The pericardium surrounds the heart. Its serous layers enclose lubricating fluid that reduces friction during heartbeats.
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