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.
661
Bile juice is secreted by the _____ in the digestive system.
RRB Group-D
24/09/2018 / Shift I
2018
✓ Answer:ALiver
The liver produces bile, which enters the small intestine through the bile ducts.
662
Which energy conversion is associated with processing food in the body?
RRB Group-D
28/11/2018 / Shift I
2018
✓ Answer:AChemical energy to heat energy
The source selects chemical energy to heat energy. Metabolism of food releases heat; digestion itself mainly breaks food into absorbable molecules.
663
Herbivores require a longer intestine to process _____.
RRB Group-D
28/11/2018 / Shift I
2018
✓ Answer:BCellulose
A longer digestive tract and specialized fermentation regions aid microbial breakdown of cellulose-rich plant material.
664
Herbivores require a longer small intestine to digest _____.
RRB Group-D
20/09/2018 / Shift II
2018
✓ Answer:BCellulose
The intended answer is cellulose. Its breakdown depends on symbiotic microbes in specialized gut regions; the exact region varies among herbivores.
665
What is the common passage for food and air in humans?
RRB Group-D
05/11/2018 / Shift III
2018
✓ Answer:DPharynx
The pharynx is shared by the digestive and respiratory pathways.
666
Tooth enamel, made mainly of _____, is degraded by acid during tooth decay.
RRB Group-D
03/12/2018 / Shift III
2018
✓ Answer:BCalcium phosphate
Acid dissolves enamel minerals, chiefly calcium phosphate in hydroxyapatite.
667
The liver performs _____ functions.
RRB Group-D
15/11/2018 / Shift III
2018
✓ Answer:DDigestion
The intended answer is digestion because the liver produces bile. It also performs excretory and many metabolic functions, so the wording is broad.
668
Which unit is commonly used to express the body's food-energy requirements?
RRB NTPC (Stage-I)
09/03/2021 / Shift II
2021
✓ Answer:ACalories
The conventional nutritional unit is the kilocalorie, also called a dietary Calorie. Joules are also valid energy units, but A is the source's intended answer.
669
Which is commonly described as a muscle not attached at both ends?
RRB JE
24/05/2019 / Shift IV
2019
✓ Answer:BTongue
The intended answer is the tongue, which has a free tip. More precisely, the tongue is a muscular organ comprising several intrinsic and extrinsic muscles.
670
Which forests contain trees adapted to roots in waterlogged or tidally submerged ground?
RRB NTPC (Stage-I)
01/04/2021 / Shift II
2021
✓ Answer:AMangrove forest
Mangroves are adapted to saline or brackish, waterlogged coastal habitats. This off-topic question is retained because it appears within the supplied Digestive System section.
Showing 661 – 670 of 1096 MCQ Questions | Page 67 of 110
