Practice Cell RRB PYQ questions from Railway examinations, including RRB NTPC PYQ, RRB Group D PYQ, RRB JE PYQ, RRB ALP PYQ and RRB Technician PYQ . This topic-wise Biology question set covers important concepts related to the cell, cell structure, cell organelles and their functions , helping you revise fundamental Biology concepts for Railway examinations.
Whether you are preparing for RRB NTPC Cell PYQ, RRB Group D Cell PYQ, RRB JE Cell PYQ, RRB ALP Cell PYQ, or RRB Technician Cell PYQ , practice these questions regularly to strengthen your Biology preparation and become more familiar with Railway exam question patterns.
Start practicing Cell RRB PYQs and strengthen your Railway Biology preparation.
11
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.
12
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.
13
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.
14
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.
15
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.
16
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.
17
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'.
18
Which of the following scientist made the following statement? "All Cells are formed pre-existing cells"
A
Rudolf Virchow
B
Purkinje
C
Robert Brown
D
Robert Hooke
▼ View Solution
✓ Answer:
A
Rudolf Virchow
Rudolf Virchow proposed the principle expressed as 'Omnis cellula e cellula', meaning cells arise from pre-existing cells.
19
Where is glucose converted into pyruvate?
A
Golgi body
B
Cytoplasm
C
Ribosome
D
Mitochondria
▼ View Solution
✓ Answer:
B
Cytoplasm
Glycolysis converts glucose into pyruvate in the cytoplasm (cytosol) of the cell.
20
Every cell has a ____ around it to keep its contents separate from the external environment.
A
Mitochondria
B
Cell membrane
C
Cell wall
D
Nucleus
▼ View Solution
✓ Answer:
B
Cell membrane
The cell membrane forms a selectively permeable boundary separating the cell contents from the external environment.
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