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.
Some snails can change functional sex during their lifetime. The question uses snails as an example of sex not being permanently fixed at fertilization.
402
Starfish belongs to phylum _____.
RRB Group-D
11/10/2018 / Shift-II
2018
✓ Answer:AEchinodermata
Starfish are echinoderms with a water vascular system and adult radial symmetry.
403
Amphibians have _____.
RRB Group-D
15/10/2018 / Shift-II
2018
✓ Answer:DGlandular skin without feathers
Amphibians typically have moist, glandular skin without feathers or hair.
404
The plant kingdom is divided into groups. Which option is not one of them?
RRB NTPC (Stage-I)
24/07/2021 / Shift-I
2021
✓ Answer:AArthropoda
Arthropoda is a phylum of animals, not a plant group.
405
In animals such as snails, individuals can change their sex. What does this signify?
RRB Group-D
30/08/2022 / Shift-II
2022
✓ Answer:BSex is not genetically determined
The intended answer is that sex is not permanently genetically predetermined in this example. Some snail species exhibit changes in functional sex.
406
Which of the following is described in the source as being found only in the sea?
RRB Group-D
16/10/2018
2018
✓ Answer:DStarfish
The source key selects starfish because echinoderms are exclusively marine. The wording is ambiguous: starfish is not a true fish, and dogfish are also marine. The shift label is cut off or unreadable in the source; only the date is recorded.
407
In which class do animals lack scales and have mucus glands in the skin?
RRB Group-D
31/10/2018 / Shift-II
2018
✓ Answer:CAmphibia
The typical amphibian has moist skin with mucus glands and lacks external scales.
408
Which animal phylum has jointed legs?
RRB NTPC (Stage-I)
27/02/2021 / Shift-II
2021
✓ Answer:DArthropoda
Jointed appendages are a characteristic feature of arthropods.
409
In which animal is sex NOT genetically determined, according to the example used in the question?
The source uses snails as an example of animals in which functional sex can change.
410
Which is not a characteristic feature of vertebrates?
RRB Group-D
12/11/2018
2018
✓ Answer:BRadial symmetry
Vertebrates have a bilaterally symmetrical body plan, not radial symmetry. The shift label is cut off or unreadable in the source; only the date is recorded.
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