Wednesday, 24 February 2021

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

Every year CBSE students attend Annual Assessment exams for 6,7,8,9,11th standards. These exams are very competitive to all the students. So our website provides online tests for all the 6,7,8,9,11th standards’ subjects. These tests are also very effective and useful for those who preparing for any competitive exams like Olympiad etc. It can boost their preparation level and confidence level by attempting these chapter wise online tests.

These online tests are based on latest CBSE syllabus. While attempting these, our students can identify their weak lessons and continuously practice those lessons for attaining high marks. It also helps to revise the NCERT textbooks thoroughly


 

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


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


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

Answer

Answer: (a) chrpmosomes


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

Answer

Answer: (d) organs


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


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

Answer

Answer: (b) prokaryotic cells


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


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

Answer

Answer: (b) plastids


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

Answer

Answer: (a) nuclear membrane


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

Answer

Answer: (c) nucleoplasm


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


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

Answer

Answer: (a) nucleus


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


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

Answer

Answer: (a) vacuoles


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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