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.
871
Whose primary function is to eliminate waste material from the blood by urine formation?
RRB NTPC (Stage-I)
29/04/2016 (Shift-III)
2016
✓ Answer:AKidney
The kidneys remove metabolic wastes and excess water and salts from blood by forming urine.
872
What is the purpose of urine formation in the human body?
RRB ALP (Stage-I)
29/11/2024 (Shift-III)
2024
✓ Answer:BFiltration of waste products from the blood
Urine formation removes metabolic wastes and excess water and ions from blood through filtration, reabsorption and secretion.
873
The primary excretory product of _____ is uric acid.
RRB Group-D
29/08/2022 (Shift-II)
2022
✓ Answer:BBirds
Birds are uricotelic: they excrete nitrogenous waste mainly as uric acid, conserving water.
874
The filtration units of human kidneys are called _____.
RRB Group-D
28/09/2018 (Shift-I)
2018
✓ Answer:BNephron
Nephrons are the filtration and urine-forming units of the kidneys.
875
How is urea removed from the blood by an artificial kidney?
RRB Group-D
30/09/2022 (Shift-I)
2022
✓ Answer:ABy osmosis
The printed key gives A, osmosis, but this is scientifically inaccurate. In haemodialysis, urea moves mainly by diffusion across a semipermeable membrane into the dialysate. Diffusion is not among the options.
876
The urea cycle takes place in the human _____.
RRB Group-D
29/08/2022 (Shift-II)
2022
✓ Answer:BLiver
The urea cycle occurs in liver cells, with reactions in both mitochondria and cytosol. It converts toxic ammonia into urea.
877
The structural unit of the kidney is _____.
RRB Group-D
26/10/2018 (Shift-III)
2018
✓ Answer:DNephron
The nephron is the structural and functional unit of the kidney.
878
Which of the following parts connects the urinary bladder and the kidney?
RRB Group-D
17/09/2022 (Shift-II)
2022
✓ Answer:CUreters
The ureters carry urine from the kidneys to the urinary bladder.
879
Which of the following constitutes the human excretory system?
RRB Group-D
09/09/2022 (Shift-I)
2022
✓ Answer:COne pair of kidneys, one pair of ureters, single urinary bladder and single urethra
The human urinary system normally consists of two kidneys, two ureters, one urinary bladder and one urethra.
880
Which of the following is not a part of the human excretory system?
RRB NTPC (Stage-I)
26/04/2016 (Shift-II)
2016
✓ Answer:CUterus
The uterus belongs to the female reproductive system, not the urinary system.
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