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.
611
An adult human normally has how many incisors?
RRB Group-D
06/10/2022 / Shift I
2022
✓ Answer:BEight
Adults normally have eight incisors: four in the upper jaw and four in the lower jaw.
612
Bile is secreted by the:
RRB SSE
21/12/2014 / Set-08, Green Paper
2014
✓ Answer:BLiver
The liver produces bile; the gallbladder stores and releases it.
613
A diagram shows a food bolus moving down the oesophagus towards the stomach as the tube constricts behind it. Which process is occurring, and how?
RRB Group-D
30/09/2022 / Shift III
2022
✓ Answer:BPeristalsis through rhythmic contraction and relaxation of muscular walls
Peristaltic waves of muscle contraction and relaxation propel the bolus through the oesophagus. The source diagram is described in the question text.
614
Bile secretion in humans occurs in the:
RRB JE
14/12/2014 / Green Paper
2014
✓ Answer:DLiver
The liver secretes bile into the biliary system.
615
Match Group I with Group II. Group I: I. Mouth; II. Teeth; III. Tongue; IV. Saliva. Group II: A. Chewing food; B. Rolling food; C. Intake of whole food; D. Swallowing food.
RRB Group-D
26/09/2022 / Shift II
2022
✓ Answer:DI-C; II-A; III-B; IV-D
Food enters through the mouth, teeth chew it, the tongue rolls and shapes it, and saliva lubricates it to aid swallowing.
616
After complete digestion, proteins are converted into:
RRB NTPC (Stage-I)
29/01/2021 / Shift II
2021
✓ Answer:DAmino acids
Proteases and peptidases break proteins into amino acids, with digestion completed in the small intestine.
617
Which substance is used as an antacid for acidity-related indigestion?
RRB Group-D
26/09/2022 / Shift II
2022
✓ Answer:DMilk of magnesia
Milk of magnesia contains magnesium hydroxide, a base that neutralizes excess gastric acid.
618
What can humans NOT digest using their own digestive enzymes?
RRB NTPC (Stage-I)
29/01/2021 / Shift II
2021
✓ Answer:ACellulose
Humans do not produce cellulase, the enzyme needed to break down cellulose. Amino acids can be absorbed without further digestion.
619
Which is not part of the digestive system?
RRB JE
31/05/2019 / Shift IV
2019
✓ Answer:BHeart
The heart belongs to the circulatory system.
620
Which is not a digestive enzyme?
RRB NTPC (Stage-I)
26/04/2016 / Shift III
2016
✓ Answer:DSuperoxide dismutase
Superoxide dismutase is an antioxidant enzyme; proteases, amylases and lipases digest food components.
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