CBSE Class 8 Science - MCQ and Online Tests - Unit 8 - Cell Structure and Functions

CBSE Class 8 Science – MCQ and Online Tests –  Unit 8 – Cell Structure and Functions

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CBSE Class 8 Science – MCQ and Online Tests – Unit 8 – Cell Structure and Functions

Choose the correct option.

Question 1.
A group of similar cells combine to form
(a) tissue
(b) organ
(c) organisms
(d) organelles

Answer

Answer: (a) tissue

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Question 2.
The organism containing only a single cell is called
(a) unicellular organism
(b) multicellular organism
(c) organelle
(d) all of these

Answer

Answer: (a) unicellular organism

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Question 3.
Genes are located in
(a) chrpmosomes
(b) plastids
(c) cytoplasm
(d) lysosome

Answer

Answer: (a) chrpmosomes

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Question 4.
Tissues combine to form
(a) nucleus
(b) cells
(c) organism
(d) organs

Answer

Answer: (d) organs

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Question 5.
Cells present in living organism differ in
(a) numbers
(b) shape
(c) size
(d) all of these

Answer

Answer: (d) all of these

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Question 6.
Cells which lack nuclear membrane are
(a) eukaryotic cells
(b) prokaryotic cells
(c) single cells
(d) multicells

Answer

Answer: (b) prokaryotic cells

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Question 7.
The control centre of all the activities of a cell is
(a) nucleus
(b) nucleoplasm
(c) cytoplasm
(d) organelles

Answer

Answer: (a) nucleus

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Question 8.
The coloured organelles which are found in plants only are
(a) chlorophyll
(b) plastids
(c) vacuoles
(d) WBC

Answer

Answer: (b) plastids

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Question 9.
Nucleus is separated from cytoplasm by
(a) nuclear membrane
(b) nucleoplasm
(c) organs
(d) cell membrane

Answer

Answer: (a) nuclear membrane

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Question 10.
The liquid material in the nucleus is
(a) chromosomes
(b) bacteria
(c) nucleoplasm
(d) nucleolus

Answer

Answer: (c) nucleoplasm

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Question 11.
The basic structural and functional unit of all living organism is
(a) cell
(b) cell wall
(c) cell membrane
(d) chloroplasts

Answer

Answer: (a) cell

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Question 12.
Chromosomes are found in
(a) nucleus
(b) nucleolus
(c) nucleoplast
(d) vacuole

Answer

Answer: (a) nucleus

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Question 13.
Cell walls is found in
(a) plant cells only
(b) animal cells only
(c) both (a) and (b)
(d) none of them

Answer

Answer: (a) plant cells only

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Question 14.
The empty blank looking structures in the cytoplasm is
(a) vacuoles
(b) plastids
(c) plasma membrane
(d) nucleus

Answer

Answer: (a) vacuoles

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Question 15.
The other name of cell membrane is
(a) plasma membrane
(b) cell wall
(c) nuclear membrane
(d) none of these

Answer

Answer: (a) plasma membrane

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