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.
RRB JE Biology MCQ
Start practicing RRB JE Biology PYQs with answers and explanations and strengthen your General Science preparation for the RRB JE exam.
551
What are receptors for detecting taste called?
A
Sensory receptors
B
Chemical receptors
C
Olfactory receptors
D
Gustatory receptors
▼ View Solution
✓ Answer:
D
Gustatory receptors
Gustatory receptors are the specific sensory receptors for taste.
552
Which receptor helps detect taste?
A
Photoreceptor
B
Gustatory receptor
C
Olfactory receptor
D
Phonoreceptor
▼ View Solution
✓ Answer:
B
Gustatory receptor
Gustatory receptors detect taste; olfactory receptors detect smell.
553
Which substance secreted by the chief cells of the stomach is important for initiating protein digestion?
A
Pepsinogen (converted into pepsin)
B
Gastric lipase
C
Trypsinogen (converted into trypsin)
D
Amylase
▼ View Solution
✓ Answer:
A
Pepsinogen (converted into pepsin)
Chief cells secrete inactive pepsinogen, which is activated to pepsin in the acidic stomach. Pepsin breaks proteins into smaller peptides.
554
Which is the longest part of the alimentary canal?
A
Oesophagus
B
Large intestine
C
Stomach
D
Small intestine
▼ View Solution
✓ Answer:
D
Small intestine
The small intestine is the longest section of the human alimentary canal.
555
Where is the protein-digesting enzyme pepsin secreted?
A
Duodenum
B
Ileum
C
Stomach
D
Mouth
▼ View Solution
✓ Answer:
C
Stomach
Gastric chief cells secrete pepsinogen, which becomes pepsin in the stomach.
556
Which is not secreted by gastric glands in the stomach wall?
A
Saliva
B
Mucus
C
Hydrochloric acid
D
Pepsin
▼ View Solution
✓ Answer:
A
Saliva
Saliva comes from salivary glands. Gastric glands produce mucus, hydrochloric acid and pepsinogen, the precursor of pepsin.
557
Goblet cells help maintain the health of various organs. Where are they mainly located among these options?
A
Brain
B
Digestive tract
C
Liver
D
Kidneys
▼ View Solution
✓ Answer:
B
Digestive tract
Goblet cells secrete protective, lubricating mucus and are abundant in the intestinal lining. They also occur in parts of the respiratory tract.
558
Select the incorrect pairing of a digestive gland and its secretion.
A
Salivary gland - Trypsin
B
Liver - Bile juice
C
Pancreas - Pancreatic juice
D
Gastric gland - Pepsin
▼ View Solution
✓ Answer:
A
Salivary gland - Trypsin
Salivary glands secrete amylase, not trypsin. Trypsin is derived from pancreatic trypsinogen.
559
Which muscle fibres are primarily found in the gastrointestinal tract, and what characterizes their contraction?
A
Skeletal muscle fibres; rapid and voluntary contraction
B
Striated muscle fibres; intermittent and forceful contraction
C
Cardiac muscle fibres; rhythmic and involuntary contraction
D
Smooth muscle fibres; slow and continuous involuntary contraction
▼ View Solution
✓ Answer:
D
Smooth muscle fibres; slow and continuous involuntary contraction
Most gastrointestinal walls contain smooth muscle, which produces involuntary mixing and propulsive movements.
560
Which is the correct order of food movement through the digestive tract?
A
Mouth - Oesophagus - Stomach
B
Oesophagus - Mouth - Stomach
C
Oesophagus - Stomach - Mouth
D
Mouth - Stomach - Oesophagus
▼ View Solution
✓ Answer:
A
Mouth - Oesophagus - Stomach
Swallowed food passes from the mouth through the pharynx and oesophagus to the stomach.
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