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NCERT Solution for Class 8 Science Chapter 8 - Cell - Structure And Functions

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NCERT Textbook Solutions are considered extremely helpful when preparing for your CBSE Class 8 Science exams. TopperLearning study resources infuse profound knowledge, and our Textbook Solutions compiled by our subject experts are no different. Here you will find all the answers to the NCERT textbook questions of Chapter 8 - Cell - Structure And Functions.

All our solutions for Chapter 8 - Cell - Structure And Functions are prepared considering the latest CBSE syllabus, and they are amended from time to time. Our free NCERT Textbook Solutions for CBSE Class 8 Science will strengthen your fundamentals in this chapter and can help you to score more marks in the examination. Refer to our Textbook Solutions any time, while doing your homework or while preparing for the exam.

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NCERT Solution for Class 8 Science Chapter 8 - Cell - Structure And Functions Page/Excercise 98

Solution 1

(a) Unicellular organisms have one-celled body. True

Concept insight: Organisms made up of single cell are called unicellular organisms whereas organisms made up of more than one cell are called multicellular organisms.

(b) Muscle cells are branched. True

Concept insight: Recall different shapes of cells.

(c) The basic living unit of an organism is an organ. False

Concept insight: Basic unit of life is cell.

(d) Amoeba has irregular shape. True

Concept insight: Recall different shapes of cells.

Solution 2

Concept insight: Recall different types of cells.

Solution 3

Concept insight: List the parts of the cell.

Solution 4

Cytoplasm is the part of the cell that contains various cell organelles such as mitochondria, ribosomes, Golgi bodies, etc. Cytoplasm is a fluid that fills the cell and occurs between the plasma membrane and the nucleus.

Concept insight: Cytoplasm is a jelly-like substance in which all the cell organelles are suspended.

Solution 5

Animal cell

Plant cell





(ii) They are generally small in size.

(ii) They are usually larger than animal cells.

(iii) Cell wall is absent.

(iii) Cell wall is present.

(iv) Vacuoles are small in size.

(iv) Vacuoles are larger in size.

(v) No other animal cell possesses plastids except for the protozoan Euglena.

(v) Plastids are present.


Concept insight: List the differences between animal cell and plant cell.

Solution 6



(i) Most prokaryotes are unicellular.

(i) Most eukaryotes are multicellular.

(ii) The nucleus is poorly defined due to the absence of a nuclear membrane.

(ii) The nucleus is well defined and is surrounded by a nuclear membrane.

(iii) Nucleolus is absent

(iii) Nucleolus is present.

(iv) Cell organelles such as plastids, mitochondria, Golgi bodies, etc. are absent.

(iv) Cell organelles such as plastids, mitochondria, Golgi bodies, etc. are present.

(v) Bacteria and blue-green algae are prokaryotic cells.

(v) Fungi, plant, and animal cells are eukaryotic cells.

Concept insight: List the differences between prokaryotes and eukaryotes.

Solution 7

The nucleus contains thread-like structures called chromosomes. Chromosomes play an important role in the inheritance of characters. They carry genes that help in the transfer of characters from the parents to the offspring.

Concept insight: Recall the structure and functions of nucleus.

Solution 8

A cell is the smallest unit of life and is capable of all life functions. Cells are the building blocks of life. This is the reason why cells are referred to as 'the basic structural and functional units of life'. All cells vary in their shapes, sizes, and activities they perform. In fact, the shape and size of the cell is related to the specific function it performs.

Concept insight: Cell is the structural and functional unit of life.

Solution 9

Concept insight: Chloroplasts are the cell organelles in plants that contains green pigment called chlorophyll.

Solution 10

Concept insight: Important from Exam Point of View.

TopperLearning provides step-by-step solutions for each question in each chapter in the NCERT textbook. Access Chapter 8 - Cell - Structure And Functions here for free.

Our NCERT Solutions for Class 8 Science are by our subject matter experts. These NCERT Textbook Solutions will help you to revise the whole chapter, and you can increase your knowledge of Science. If you would like to know more, please get in touch with our counsellor today!

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