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8. Cell-Structure and functions Science class 8 in English Medium ncert book solutions Additional Questions With Solutions
8. Cell-Structure and functions Additional Questions With Solutions – Complete NCERT Book Solutions for Class 8 Science (English Medium). Get all chapter explanations, extra questions, solved examples and additional practice questions for 8. Cell-Structure and functions Additional Questions With Solutions to help you master concepts and score higher.
8. Cell-Structure and functions Science class 8 in English Medium ncert book solutions Additional Questions With Solutions
NCERT Solutions for Class 8 Science play an important role in helping students understand the concepts of the chapter 8. Cell-Structure and functions clearly. This chapter includes the topic Additional Questions With Solutions, 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 8 studying Science can use these solutions to revise important topics, understand difficult questions, and practise effectively before examinations. The chapter 8. Cell-Structure and functions is explained in a structured way, making it easier for students to connect the theory with the topic Additional Questions With Solutions. By studying these updated NCERT Solutions for Class 8 Science, students can build a strong foundation, boost their confidence, and score better marks in school and board exams.
8. Cell-Structure and functions
Additional Questions With Solutions
Additional Question With Solutions
Ques: What are chromosomes?
Ans: The nucleus contains thread-like structures called chromosomes.
Ques:What are genes?
Ans: Genes control the transfer of hereditary characteristic from parent to offspring; it is carried by the chromosomes.
Ques:What is protoplasm?
Ans: The all entire contents of a living cell is known as protoplasm.
Ques:When can the chromosomes be seen?
Ans: Chromosomes can be seen only when the cell divides.
Ques:Which component of a cell is called the living substances of the cell?
Ans: Protoplasm.
Ques:What is chloroplast? Write its functions.
Ans: Green colour plastid is called chloroplast.
Functions of chloroplast:
(i) It provides green colour to the leaves.
(ii) It is essential for photosynthesis.
Ques: Name the components or organelles of cytoplasm in an animal cell.
Ans: The components or organelles of cytoplasm in an animal cell.
(i) Mitochondria
(ii) Golgi body
(iii) Vacuole
(iv) Ribosome
(v) Lisosome
Ques: Explain why chloroplasts are found only in plant cell?
Ans: The plants make their food themselves by the process of photosynthesis. Photosynthesis needs chlorophyll, which is called chloroplast. It also provides the green pigment to the plants’ leaves. So it is very important for the plants.
Ques:Cells are the basic structural units of living organism; explain.
Ans: Bricks are assembled to make a building. Similarly, cells are assembled to make the body of every organism. The brick is unit part of the building. Thus, cells make tissue; tissues make organs; and various organs make together the body. So we can say cells are the basic structural units of living organism
See other sub-topics of this chapter:
1. Chapter Review 2. Text Book Exercise 3. Text Book Exercise 4. Additional Questions With Solutions 5. Additional Questions With Solutions