Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 7th
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Tamil Nadu Board Samacheer Kalvi solutions for Class 7th Science Term 2 Answers Guide chapter 4 - Cell Biology [Latest edition]

Chapters

Class 7th Science Term 2 Answers Guide - Shaalaa.com
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Chapter 4: Cell Biology

Evaluation
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Evaluation [Pages 67 - 68]

Tamil Nadu Board Samacheer Kalvi solutions for Class 7th Science Term 2 Answers Guide Chapter 4 Cell BiologyEvaluation [Pages 67 - 68]

Choose the correct answer

Evaluation | Q I. 1. | Page 67

Basis unit of life.

  • Cell

  • Protoplasm

  • Cellulose

  • Nucleus

Evaluation | Q I. 2. | Page 67

I am the outer most layer of an animal cell. Who am I?

  •  Cell wall 

  • Nucleus

  • Cell membrane

  • Nuclear membrane

Evaluation | Q I. 3. | Page 68

Which part of the cell is called the brain of the cell?

  • Lysosome

  • Ribosome

  • Mitochondria

  • Nucleus

Evaluation | Q I. 4. | Page 68

______ helps in cell division.

  • Endoplasmic reticulum

  • Golgi complex

  • Centriole

  • Nucleus

Evaluation | Q I. 5. | Page 68

Suitable term for the various components of cell is ______.

  • Tissue

  • Nucleus

  • Cell

  • Cell organelle

Evaluation [Page 68]

Tamil Nadu Board Samacheer Kalvi solutions for Class 7th Science Term 2 Answers Guide Chapter 4 Cell BiologyEvaluation [Page 68]

Fill in the Blanks

Evaluation | Q II. 1. | Page 68

The jelly like substance present in the cell is called ______.

Evaluation | Q II. .2. | Page 68

I convert the Sun’s energy into food for the plant. Who am I?______

Evaluation | Q II. 3. | Page 68

Mature Red blood cell do not contain a ______.

Evaluation | Q II. 4. | Page 68

Unicellular organisms can only be seen under a _____.

Evaluation | Q II. 5. | Page 68

Cytoplasm plus nucleoplasm is equal to ______.

Evaluation [Page 68]

Tamil Nadu Board Samacheer Kalvi solutions for Class 7th Science Term 2 Answers Guide Chapter 4 Cell BiologyEvaluation [Page 68]

Evaluation | Q III. 1. | Page 68

True or False – If false give the correct answer

Animal cells have a cell wall

  • True

  • False

Evaluation | Q III. 2. | Page 68

True or False – If false give the correct answer

Salmonella is a unicellular bacteria.

  • True

  • False

Evaluation | Q III. 3. | Page 68

True or False – If false give the correct answer

Cell membrane is fully permeable.

  • True

  • False

Evaluation | Q III. 4. | Page 68

True or False – If false give the correct answer

Only plant cells have chloroplasts.

  • True

  • False

Evaluation | Q III. 5. | Page 68

True or False – If false give the correct answer

Human stomach is an organ.

  • True

  • False

Evaluation | Q III. 6. | Page 68

True or False – If false give the correct answer

Ribosomes are small organelles with a membrane.

  • True

  • False

Evaluation [Page 68]

Tamil Nadu Board Samacheer Kalvi solutions for Class 7th Science Term 2 Answers Guide Chapter 4 Cell BiologyEvaluation [Page 68]

Evaluation | Q IV. | Page 68

Match the following

1. Transporting channel Nucleus
2. Suicidal bag Endoplasmic reticulum
3. Control room Lysosome
4. Power house Chloroplast
5. Food producer Mitochondria
Evaluation [Page 68]

Tamil Nadu Board Samacheer Kalvi solutions for Class 7th Science Term 2 Answers Guide Chapter 4 Cell BiologyEvaluation [Page 68]

Analogy

Evaluation | Q V. 1. | Page 68

Bacteria: microorganism:: mango tree: ______.

Evaluation | Q V. 2. | Page 68

Adipose: tissue:: eye: ______.

Evaluation | Q V. 3. | Page 68

Cell wall : plant cell :: centriole :______.

Evaluation | Q V. 4. | Page 68

Chloroplast : photosynthesis :: mitochondria : ______.

Evaluation [Page 68]

Tamil Nadu Board Samacheer Kalvi solutions for Class 7th Science Term 2 Answers Guide Chapter 4 Cell BiologyEvaluation [Page 68]

Choose the correct alternative from the following

Evaluation | Q VI. 1. | Page 68

Assertion (A): Tissue is a group of dissimilar cells.

Reason (R): Muscle is made up of Muscle cell.

  • Both A and R are true  

  • Both A and R are false

  • A is true but R is false.

  • A is false but R is true.

Evaluation | Q VI. 2. | Page 68

Assertion (A): Majority of cells cannot be seen directly with naked eye because.

Reason (R): Cells are microscopic.

  • Both A and R are true

  • Both A and R are false

  • A is true but R is false.

  • A is false but R is true.

Evaluation [Pages 68 - 69]

Tamil Nadu Board Samacheer Kalvi solutions for Class 7th Science Term 2 Answers Guide Chapter 4 Cell BiologyEvaluation [Pages 68 - 69]

Very short answer

Evaluation | Q VII. 1. | Page 68

What are the functions of cell wall in plant cell?

Evaluation | Q VII. 2. | Page 68

Which organelle uses energy from sunlight to make starch?

Evaluation | Q VII. 3. | Page 68

What are the main things in a nucleus?

Evaluation | Q VII. 4. | Page 69

What does cell membrane do?

Evaluation | Q VII. 5. | Page 69

Why lysosomes are known as scavengers of the cell?

Evaluation | Q VII. 6. | Page 69

Teacher said “A virus is not an organism” Do you agree with this statement or not? Explain Why?

Evaluation [Page 69]

Tamil Nadu Board Samacheer Kalvi solutions for Class 7th Science Term 2 Answers Guide Chapter 4 Cell BiologyEvaluation [Page 69]

Give short Answer

Evaluation | Q VIII. 1. | Page 69

Why the cell is very important for us?

Evaluation | Q VIII. 2. | Page 69

Distinguish between the following pairs Smooth ER and Rough ER Cell wall and cell membrane Chloroplast and mitochondria.

Evaluation | Q VIII. 3. | Page 69

Write correct sequence from cell to organism?

Evaluation | Q VIII. 4. | Page 69

Write a short note on nucleus

Evaluation | Q VIII. 5. | Page 69

Classify the following terms into cells, tissues, organs and write in the tabular column given below

Neuron, Lungs. Xylem, brain, adipose, Leaf, RBC, WBC, hand, muscle, heart, ovum, squamous, phloem, cartilage.

Cell Tissue organ
     
     
Evaluation | Q VIII. 6. | Page 69

On the lines given below, write about what you have learned from the activities done in this lesson.

Let me tell you about some of the important things I’ve learned about cells. First, I’ll start with…______

Evaluation [Page 69]

Tamil Nadu Board Samacheer Kalvi solutions for Class 7th Science Term 2 Answers Guide Chapter 4 Cell BiologyEvaluation [Page 69]

Give long answer

Evaluation | Q IX. 1. | Page 69

Write about any three organelles in detail.

Evaluation | Q IX. 2. | Page 69

In a situation, how to explain, while your friend ask what is this, never seen before?

Evaluation | Q IX. 3. | Page 69

Compare the plant cell and the animal cell and complete the illustration given below.

Evaluation [Page 69]

Tamil Nadu Board Samacheer Kalvi solutions for Class 7th Science Term 2 Answers Guide Chapter 4 Cell BiologyEvaluation [Page 69]

Evaluation | Q X. | Page 69

Higher order thinking question

Virus is called Acellular. Why?

Chapter 4: Cell Biology

Evaluation
Class 7th Science Term 2 Answers Guide - Shaalaa.com

Tamil Nadu Board Samacheer Kalvi solutions for Class 7th Science Term 2 Answers Guide chapter 4 - Cell Biology

Tamil Nadu Board Samacheer Kalvi solutions for Class 7th Science Term 2 Answers Guide chapter 4 (Cell Biology) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the Tamil Nadu Board of Secondary Education Class 7th Science Term 2 Answers Guide solutions in a manner that help students grasp basic concepts better and faster.

Further, we at Shaalaa.com provide such solutions so that students can prepare for written exams. Tamil Nadu Board Samacheer Kalvi textbook solutions can be a core help for self-study and acts as a perfect self-help guidance for students.

Concepts covered in Class 7th Science Term 2 Answers Guide chapter 4 Cell Biology are Cytoplasm - “Area of Movement”, Mitochondria - “Power House of the Cell”, Endoplasmic Reticulum (ER), Nucleus - “Brain” of the Cell, Cell: the Fundamental Unit of Life, Unicellular and Multicellular Organism, Cell to Organism, Plant Cell and Animal Cell, Centrosome and Centrioles, Golgi Apparatus - "The delivery system of the cell", Structure of a Cell, Cell Wall - “Supporter and Protector”, Plasma Membrane, Protoplasm, Plastids, Lysosome - “Suicidal Bag”, Semi-permeable Membrane (Cell Membrane), Structure of a Cell.

Using Tamil Nadu Board Samacheer Kalvi Class 7th solutions Cell Biology exercise by students are an easy way to prepare for the exams, as they involve solutions arranged chapter-wise also page wise. The questions involved in Tamil Nadu Board Samacheer Kalvi Solutions are important questions that can be asked in the final exam. Maximum students of Tamil Nadu Board of Secondary Education Class 7th prefer Tamil Nadu Board Samacheer Kalvi Textbook Solutions to score more in exam.

Get the free view of chapter 4 Cell Biology Class 7th extra questions for Class 7th Science Term 2 Answers Guide and can use Shaalaa.com to keep it handy for your exam preparation

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