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.
721
The normal systolic pressure of human blood is:
RRB NTPC (Stage-I)
05/04/2021 (Shift-I)
2021
✓ Answer:D120 mm Hg
The conventional textbook reference value for adult blood pressure is 120/80 mmHg: 120 systolic and 80 diastolic.
722
Systolic blood pressure is exerted by the blood against the walls of the artery during which of the following phases?
RRB Group-D
24/08/2022 (Shift-I)
2022
✓ Answer:AVentricular contraction
Systolic pressure is the arterial pressure associated with ventricular contraction and ejection of blood.
723
Which of the following is an example of a human cell that has the ability to modify its shape?
RRB Group-D
17/08/2022 (Shift-III)
2022
✓ Answer:BWBC
White blood cells can change shape for amoeboid movement and pass through vessel walls to reach infected tissues.
724
Select the option that is not true regarding the circulatory system.
RRB Group-D
03/10/2018 (Shift-III)
2018
✓ Answer:DIt is about 1.7–1.8% of body weight.
The source key identifies D: blood accounts for roughly 7–8% of body weight, not 1.7–1.8%. Blood volume varies with body size; 6.8 litres is not a universal adult value.
725
In which of the following animals does blood go through the heart twice during each cycle?
RRB Group-D
29/09/2022 (Shift-III)
2022
✓ Answer:AMammals, birds and reptiles
Mammals, birds and reptiles have double circulation. Fish generally have a single circulatory circuit.
726
All the veins in the human system carry blood towards the heart. What is the difference between a pulmonary vein and other veins?
RRB Group-D
05/09/2022 (Shift-I)
2022
✓ Answer:APulmonary vein carries oxygenated blood
Pulmonary veins carry oxygenated blood from the lungs to the left atrium. Systemic veins generally carry deoxygenated blood.
727
Which of the following options is not correct about the circulatory system?
RRB Group-D
03/10/2018 (Shift-II)
2018
✓ Answer:DOnly blood is white fluid connective tissue.
The source key identifies D because human blood is red, not white. The percentage in A refers to blood mass, and the volume in C varies with body size.
728
Which of the following statements regarding blood pressure is FALSE?
RRB Group-D
28/09/2022 (Shift-III)
2022
✓ Answer:AThe pressure is much greater in veins than in arteries.
Blood pressure is generally higher in arteries than in veins because arteries receive blood directly from the pumping heart.
729
Systolic pressure is a measure of _____.
RRB Group-D
13/09/2022 (Shift-III)
2022
✓ Answer:DVentricular contraction
Systolic pressure is the arterial pressure associated with ventricular contraction and ejection of blood.
730
Normal human blood is:
RRB JE
14/12/2014
2014
✓ Answer:DSlightly alkaline
Normal human blood pH is approximately 7.35–7.45, with an average near 7.4, making it slightly alkaline.
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