Welcome to ATP Education
ATP Education
5. The Fundamental Unit of Life Class 9 Science Solutions English Medium-Additional -Questions 2
5. The Fundamental Unit of Life Class 9 Science Solutions English Medium-Additional -Questions 2 Get chapter-wise detailed explanations, step-by-step answers, important questions and exam-ready study material in Hindi and English medium.
Topics Covered In This Article
5. The Fundamental Unit of Life Class 9 Science Solutions English Medium-Additional -Questions 2, NCERT Solutions for CBSE Board Classes 6 to 12, ncert solutions for all classes, NCERT SOLUTIONS, online NCERT solutions, NCERT, ncert, ncert solutions, ncert solutions for board exams, ncert Maths solution, Mathematics, ncert science solutions, ncert English book solutions, ncert Hindi book solutions, ncert Social Science book solutions, ncert accounts book solutions, Computer Education, solved question answer for all exercise
5. The Fundamental Unit of Life Class 9 Science Solutions English Medium-Additional -Questions 2
NCERT Solutions for Class 9 are specially prepared according to the latest CBSE syllabus (2026-27) to help students understand every concept clearly. These solutions provide step-by-step explanations, accurate answers, and exam-oriented guidance for all chapters. Class 9 students can improve their problem-solving skills, strengthen conceptual understanding, and prepare confidently for school as well as board examinations. All questions are solved in a simple and easy-to-understand language for both Hindi and English medium learners.
5. The Fundamental Unit of Life Class 9 Science Solutions English Medium-Additional -Questions 2
NCERT Solutions Class 9 Science English Medium
5. The Fundamental Unit of Life
Topic: Additional -Questions 2
Q-What is hypotonic solution?
A – if the medium surrounding the cell has a higher water concentration than the cell is known as hypotonic solution.
Q – What is Isotonic solution?
A – If the medium has exactly same water concentration than the cell is known as isotonic solution.
Q – What is hypertonic solution?
A – if the medium surrounding the cell has a lower concentration then the cell is known as hypertonic solution.
Q – Give three examples of organism in which the process of osmosis take place?
A – 1. Unicellular fresh water organism.
2. Plant cell tend to gain water through osmosis.
3. Absorption of water by plant roots is also an example of Osmosis.
Q – Why is cell called the functional and structural unit of body?
A – All living organisms are made of cells. Each living cell has ability to perform all basic functions. Which are the characteristics of all living organisms? It contained organelles work continues forever. Thus a group of cell that is similar in structure work together to achieve a particular function, Hence cell called the functional and structural unit of body.
Q – Name such two organelles which have their own genetic material like DNA and ribosomes.
A – in animal cells – Mitochondria.
In Plant cells – plastid
Q – Where does the synthesis of protein occur in cell?
A – Mitochondria
Q – Why is mitochondria called the power house of cell?
A - The energy required for various chemical activities needed for life is released by mitochondria in the form of ATP (Adenosine triphopshate) molecules. ATP is known as the energy currency of the cell. The body uses energy stored in ATP for making new chemical compounds and for mechanical work. So mitochondria is called the power house of cell.
Q - Why are lysosomes known as suicide bags?
A – Due to disturbance in cellular metabolism When the cell gets damaged, lysosomes may burst and the enzymes digest their own dead cell. Therefore lysosomes known as suicide bags.
Q – What is cellulose? Where does it found?
A – cellulose is a natural polymer which is found in plant.
Q - Which is the longest cell of the body?
A- Nerve
Q – What is membrane biogenesis?
A - Some of these proteins and lipids help in building the cell membrane. This process is known as membrane biogenesis.
Q - If the organells of a cell is destroyed due to some physical or chemical influence, what will happen?
A – It resulting in damage of cell.
Q – What is chloroplast? Write its function.
A – chloroplast is coloured plastid it contained pigment chlorophyll. Chloroplasts are important for photosynthesis in plants. Chloroplasts also contain various yellow or orange pigments in addition to chlorophyll. It gives pigments to leaves steam, flower, and fruits.
Q – What is leucoplast? Write its functions.
A – leucoplast is white coloured plastid they are primarily organelles in which material such as starch,oils and protein granules are stored.
Q – what is the important role of specialized vacuoles in unicellular organism?
A – They play important role in expelling excess water and some wastes from the cell.
All Topics From 5. The Fundamental Unit of Life
See other sub-topics of this chapter:
1. Chapter Review 2. Text-book Questions 3. Additional -Questions 4. Additional -Questions 2 5. AssignmentNCERT Solutions Class 9 Hindi and English Medium – Complete Study Material
NCERT Solutions Class 9 students ke liye specially CBSE latest syllabus (2026-27) ke according prepare kiye gaye hain. Yeh solutions Hindi aur English medium dono ke liye available hain, jisse har student apni language preference ke hisaab se padh sakta hai. Har chapter ke sabhi prashnon ke step-by-step answers diye gaye hain jo concept clarity aur exam preparation me madad karte hain.
Chapter-Wise Detailed Explanations
Class 9 ke liye diye gaye Chapter Wise NCERT Solutions me har question ka detailed aur easy explanation diya gaya hai. Chahe aap CBSE Board Exam Preparation kar rahe ho ya school test ke liye revise kar rahe ho, yeh solutions aapko complete understanding denge. Har answer simple language me likha gaya hai jisse students concepts ko easily grasp kar saken.
Hindi and English Medium Support
Students Hindi aur English medium dono me NCERT Book Solutions Class 9 access kar sakte hain. Yeh dual language support un students ke liye helpful hai jo apni regional language me better samajhna chahte hain. Sabhi answers CBSE Latest Syllabus 2026-27 ke anusaar update kiye gaye hain.
Important Features of NCERT Solutions
- Class 9 NCERT Solutions PDF
- CBSE Class 9 Study Material
- NCERT Book Questions and Answers
- Exam Oriented Important Questions
- Step-by-Step Detailed Solutions
- Concept Clarity and Revision Notes
Why Students Should Use NCERT Solutions?
Aaj ke competitive environment me sirf textbook padhna kaafi nahi hota. NCERT Solutions for Class 9 students ko practice aur conceptual understanding dono provide karte hain. Yeh solutions unhe exam pattern samajhne, frequently asked questions practice karne aur high score achieve karne me madad karte hain. Regular practice se students apne weak topics ko improve kar sakte hain.
Best Resource for Exam Preparation
Agar aap Class 9 CBSE Preparation ke liye ek trusted aur reliable source dhundh rahe hain, to yeh NCERT Solutions perfect choice hain. Yeh study material school exams, unit tests, half-yearly aur annual exams ke liye equally useful hai. Har chapter ke answers accurate, verified aur student-friendly format me diye gaye hain.
Isliye agar aap NCERT Solutions Class 9 Hindi and English Medium search kar rahe hain, to yahan aapko complete chapter-wise solutions milenge jo aapki academic journey ko strong aur confident banayenge.