Selina Solutions Concise Biology Class 10 Chapter 1 Cell - The Structural and Functional Unit of Life [For Revision Only]

Selina Solutions Concise Biology Class 10 Chapter 1 Cell – The Structural and Functional Unit of Life [For Revision Only] are available here. These questions are answered by our expert tutors in order to assist you with your exam preparation to attain good marks in Biology. Students who wish to score good marks in the subject practise Selina Solutions.

The main aim is to help students understand and answer these questions. We at BYJU’S have prepared the Selina Solutions Concise Biology Class 10 Chapter 1, wherein questions are answered with detailed explanations. Download pdf of Class 10 Chapter 1 in their respective links.

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Selina Solutions For Class 10 Biology Chapter 1 For Revision Only
Selina Solutions For Class 10 Biology Chapter 1 For Revision Only 1

Access Answers of Selina Solutions Concise Biology Class 10 Chapter 1 Cell – The Structural and Functional Unit of Life [For Revision Only]

Shown Below are some of the cell organelles.

Can you identify these?

Selina Solutions for Class 10 Biology Chapter 1 Image 1

Solution:-

Selina Solutions for Class 10 Biology Chapter 1 Image 2

The main characteristics of the given cells are,

1. Mitochondria,

(a) It is of various shapes but usually sausage-like.

(b)Double walled; inner wall thrown into folds (cristae)

(c) Have their own DNA (containing several genes)

(d)Also contain their own ribosomes.

2. Centrosome (Animal cells only)

(a) A region surrounding the centrioles, located near nucleus.

(b) Contains one or two centrioles

(c) Centrioles are surrounded by microtubules.

3. Golgi apparatus (In animal cells called dictyosomes in plant cells)

(a) Stacks of flattered membrane sacs.

(b) Consists of tubules, vesicles and vacuoles.

4. Plastids (Plant cells only)

(a) Several kinds, most common ones are chloroplasts containing the green pigment chlorophyll.

(b) Double membered, proteinaceous matrix, contain DNA.

(c) Disc-Like structures called thylakoids contain chlorophyll.

5. Nucleus

(a) Largest cell organelle.

(b) Mostly spherical and dense.

(c) Nuclear membrane with pores to allow substances to enter and leave.

(d) Contains network of thread-like structures called chromatin fibers which contain DNA.

6. Ribosomes

(a) Small granules either scattered in the cytoplasm or attached to the outside of endoplasmic reticulum.

(b) Single walled, dense, spherical bodies composed mainly of RNA.

Selina Solutions Concise Biology Class 10 Chapter 1 Cell – The Structural and Functional Unit of Life [For Revision Only] . A Few concepts discussed in this chapter are Cell shapes, gross structure of cell, finer structure of cell, microscopic examination of onion peel and the nucleus. Students are suggested to refer Selina Solutions for quick revision before exam. 

List of subtopics covered in Selina Solutions Concise Biology Class 10 Chapter 1 Cell – The Structural and Functional Unit of Life [For Revision Only]

Number

Subtopic

1.1

Cells – A basic study in Biology

1.2

Cells – How many?

1.3 

Cells – How small?

1.4

Cell shapes

1.5

Gross structure of cell – The three essential parts

1.6

Finer structure of cell – The organelles

1.7

Microscopic examination of onion peel

1.8

The Nucleus – Key to the life of a cell

Key Features of Selina Solutions Concise Biology Class 10 Chapter 1 Cell – The Structural and Functional Unit of Life [For Revision Only]

  • Selina solutions help students to prepare for the class 10 examination easily.
  • These Solutions with accurate answers help students in revision after completing the entire syllabus.
  • Diagrams are used wherever necessary to help the students to understand the solutions better.
  • Pointers are used which promotes easy learning.

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