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.
711
Which of the following components of blood promotes immunity and helps the body fight against germs?
RRB Group-D
06/10/2022 (Shift-II)
2022
✓ Answer:DWhite blood cells
White blood cells, also called leukocytes, defend the body against pathogens and participate in immune responses.
712
In a conventional blood pressure measuring device in which the physician observes fluctuations in a mercury column, the manually operated air pump is connected to:
RRB SSE
21/12/2014
2014
✓ Answer:DMercury column
The source key gives mercury column. More precisely, the bulb, inflatable cuff and mercury manometer are connected through tubing in a mercury sphygmomanometer.
713
The normal systolic and diastolic pressure in humans is _____, respectively.
RRB Group-D
23/08/2022 (Shift-II)
2022
✓ Answer:B120 and 80 mm of Hg
The conventional textbook reference value for adult blood pressure is 120/80 mmHg: 120 systolic and 80 diastolic.
714
High blood pressure is also called hypertension, which is caused due to _____.
RRB Group-D
18/09/2022 (Shift-I)
2022
✓ Answer:CConstriction of arterioles
Arteriolar constriction increases resistance to blood flow and can raise arterial blood pressure.
715
Which among the following blood groups is considered the universal donor?
RRB SSE
21/12/2014
2014
✓ Answer:BO
Among ABO groups, O is called the universal red-cell donor group. When the Rh factor is considered, O negative is the universal red-cell donor type.
716
What is the normal systolic and diastolic pressure in humans?
RRB Group-D
08/09/2022 (Shift-III)
2022
✓ Answer:D120 mm of Hg / 80 mm of Hg
The conventional textbook reference value for adult blood pressure is 120/80 mmHg: 120 systolic and 80 diastolic.
717
A diagram shows a blood vessel with flap-like valves inside its lumen. Which component of the human circulatory system is shown?
RRB Group-D
18/09/2022 (Shift-II)
2022
✓ Answer:BVein
Many veins have valves that prevent backward flow of blood as it returns to the heart.
718
Which of the following is not a blood group?
RRB JE
26/05/2019 (Shift-IV)
2019
✓ Answer:CC
The four ABO blood groups are A, B, AB and O. C is not an ABO blood group.
719
Some features of the circulatory system in humans are mentioned below. Select the incorrect option.
RRB Group-D
22/08/2022 (Shift-III)
2022
✓ Answer:DHypertension is caused by constriction of veins
Constriction of arterioles increases peripheral resistance and can raise arterial blood pressure. Constriction of veins is not the standard explanation for hypertension.
720
Which of the following pigments has a high affinity for oxygen?
RRB Group-D
18/09/2022 (Shift-II)
2022
✓ Answer:AHemoglobin
The source key identifies haemoglobin, which binds oxygen reversibly and carries it in human blood.
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