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.
61
Which of the following substances can move across the cell membrane by diffusion?
A
Oxygen
B
Nucleic acid
C
Protein
D
Starch
▼ View Solution
✓ Answer:
A
Oxygen
Oxygen is a small nonpolar molecule and can diffuse through the lipid bilayer of the cell membrane.
62
Plasma membrane is made up of ____.
A
Only protein
B
Only cellulose
C
Both protein and lipid
D
Only lipid
▼ View Solution
✓ Answer:
C
Both protein and lipid
The plasma membrane is mainly a phospholipid bilayer with embedded proteins, so it contains both lipid and protein.
63
During meiosis, a cell divide to form how many new cells?
A
Four
B
Twenty four
C
Sixteen
D
Eight
▼ View Solution
✓ Answer:
A
Four
Meiosis involves two successive divisions and produces four haploid daughter cells from one parent cell.
64
Various cell organelles like mitochondria, ribosome etc., together forms the basic unit of life, which is called ____.
A
Organ system
B
Tissue
C
Cell
D
Organ
▼ View Solution
✓ Answer:
C
Cell
A cell is the basic unit containing organelles that work together to carry out life processes.
65
Why is cell membrane called an active part of the cell?
A
It stores nutrients for the cell
B
It regulates the entry and exit of substances necessary for proper cell function
C
It produces enzymes for digestion
D
It provides structural support to the nucleus
▼ View Solution
✓ Answer:
B
It regulates the entry and exit of substances necessary for proper cell function
The cell membrane is selectively permeable and actively regulates movement of substances into and out of the cell.
66
Which serves as both, a pathway for intracellular transport and manufacturing surface?
A
Ribosome
B
Endoplasmic reticulum
C
Mitochondria
D
Plastid
▼ View Solution
✓ Answer:
B
Endoplasmic reticulum
The endoplasmic reticulum forms a membrane network for intracellular transport and is also a site of protein or lipid synthesis.
67
What is the full form of SER, which is an organelle that helps in the formation of fat molecules or lipids important for cell function?
A
Simple endoplasmic reticulum
B
Species endoplasmic reticulum
C
Smooth endoplasmic reticulum
D
Similar endoplasmic reticulum
▼ View Solution
✓ Answer:
C
Smooth endoplasmic reticulum
SER stands for smooth endoplasmic reticulum, which is involved in lipid synthesis and other functions.
68
The germ cell in which food reserves are typically stored is called?
A
Male gamete
B
Motile gamete
C
Female gamete
D
Immature egg
▼ View Solution
✓ Answer:
C
Female gamete
The female gamete or ovum is generally larger and contains nutrient reserves that support the developing embryo.
69
Organisms whose cells do not have a nuclear membrane are called ____.
A
Chromatin
B
Cytoplasm
C
Eukaryotic
D
Prokaryotic
▼ View Solution
✓ Answer:
D
Prokaryotic
Prokaryotic cells do not have a membrane-bound nucleus; their DNA lies in a nucleoid region.
70
How did Robert Hooke discover the cell?
A
Inspecting the leaves of a tree
B
Inspecting the peel of an onion
C
Inspecting the blood
D
Inspecting the cork
▼ View Solution
✓ Answer:
D
Inspecting the cork
Robert Hooke observed thin slices of cork with a microscope in 1665 and named the small compartments 'cells'.
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