Welcome to ATP Education
ATP Education
5. The Fundamental Unit of Life Science class 9 in English Medium ncert book solutions Additional -Questions
5. The Fundamental Unit of Life Additional -Questions – Complete NCERT Book Solutions for Class 9 Science (English Medium). Get all chapter explanations, extra questions, solved examples and additional practice questions for 5. The Fundamental Unit of Life Additional -Questions to help you master concepts and score higher.
5. The Fundamental Unit of Life Science class 9 in English Medium ncert book solutions Additional -Questions
NCERT Solutions for Class 9 Science play an important role in helping students understand the concepts of the chapter 5. The Fundamental Unit of Life clearly. This chapter includes the topic Additional -Questions, which is essential from both academic and examination point of view. The solutions provided here are prepared strictly according to the latest NCERT syllabus and follow the guidelines of CBSE to ensure accuracy and relevance. Each question is explained in a simple and student-friendly manner so that learners can grasp the concepts without confusion. These NCERT Solutions are useful for regular study, homework help, and exam preparation. All textbook questions are solved step by step to improve problem-solving skills and conceptual clarity. Students of Class 9 studying Science can use these solutions to revise important topics, understand difficult questions, and practise effectively before examinations. The chapter 5. The Fundamental Unit of Life is explained in a structured way, making it easier for students to connect the theory with the topic Additional -Questions. By studying these updated NCERT Solutions for Class 9 Science, students can build a strong foundation, boost their confidence, and score better marks in school and board exams.
5. The Fundamental Unit of Life
Additional -Questions
Nucleus – Nucleus is a largest cell organelle which consists inside the cell. Nuclei are found in all eukaryotic cells. It contains chromatin.
Cytoplasm –
Ribosomes : They are extremely small round bodies present either in free state in the cytoplasm.
Functions :
- it is responsible for synthesis of proteins from amino-acid.
- They provide a surface for bio-chemical activities of the cell.
Q – Distinguish between plant and animal cell.
A –
|
Plant cell |
Animal cell |
|
|
Q – write the differences between prokaryotic cell and Eukaryotic cell.
|
prokaryotic cell |
Eukaryotic cell |
|
|
Q – How does an Amoeba obtain its food?
A – Amoeba obtains its food by the process of endocytosis, in which it take food from outside by the help of its body surface. It encloses the food by plasma membrane. It engulfs the food and digest it.
Q – Why is plasma membrane is called selectivity permeable membrane?
A – The plasma membrane allows or permits the entry and exit of some material in and out of the cell, therefore it is called a selectivity permeable membrane.
Q – What is Osmosis?
A – Water also obeys the law of diffusion. The movement of water molecules through such a selectively permeable membrane is called Osmosis.
See other sub-topics of this chapter:
1. Chapter Review 2. Text-book Questions 3. Additional -Questions 4. Additional -Questions 2 5. Assignment