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.
891
Which of the following substances is NOT reabsorbed by the kidneys?
RRB Group-D
18/09/2022 (Shift-III)
2022
✓ Answer:BCreatinine
Creatinine is filtered and a small amount is secreted into the tubules. It is not appreciably reabsorbed, unlike glucose, amino acids and needed salts.
892
Which of the following options related to the excretory system of humans is not correctly matched?
Humans normally have two kidneys, two ureters, one urinary bladder and one urethra. The urethra is unpaired.
893
Which part is the collecting duct in the nephron diagram? Text description: a labels the straight vertical duct on the left; b labels the cup-shaped structure on the upper right; c labels the segment joining the tubule to the straight duct; d labels the long U-shaped tubular region.
RRB Group-D
19/09/2022 (Shift-III)
2022
✓ Answer:ARegion a
Region a is the collecting duct, which receives fluid from nephrons and conveys it toward the renal pelvis.
894
In human beings, excretory products in the form of soluble nitrogen compounds are removed by the _____ in the kidneys.
RRB NTPC (Stage-I)
21/01/2021 (Shift-I)
2021
✓ Answer:CNephrons
Nephrons filter blood and form urine through filtration, selective reabsorption and secretion, removing nitrogenous wastes.
895
Which of the following removes nitrogenous waste products produced by metabolic activities in humans?
RRB ALP (Stage-I)
28/11/2024 (Shift-II)
2024
✓ Answer:BExcretory system
The excretory system removes nitrogenous wastes such as urea, mainly through urine formed by the kidneys.
896
The kidney is an organ of excretion and osmoregulation in humans. Regulation of which two substances is done by the kidneys?
RRB Group-D
23/08/2022 (Shift-I)
2022
✓ Answer:DWater and salts
The kidneys regulate water and electrolyte balance by adjusting reabsorption and excretion.
897
The kidneys are not only excretory organs but also complementary to _____.
RRB SSE
21/12/2014
2014
✓ Answer:ALiver
The liver converts ammonia into urea. The kidneys then remove urea from the blood and excrete it in urine, complementing the liver's role.
898
Which of the following connects the kidney to the urinary bladder?
