Question

fundamental units of life​

Answer 1

Answer:

• A cell can independently perform all necessary activities to sustain life. Hence cell is the basic unit of life. There are two types of cells → plant cell and animal cell.

Explanation:

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Answer 2

Answer:

CELL is the fundamental unit of life.

Here are some questions which may help you.

ANSWER IN ONE WORD OR SENTENCE

1. What is hypotonic solution?

2. Plasma membrane is made up of which two components?

3. What is the intracellular source of digestive enzyme?

4. What is endocytosis?

5. Name two structures found in plant cells but not in animal cells

6. Which organelle is involved in the formation of lysosomes?

7. Which organelle is the storage sac of solid and liquid materials?

Which organelle is associated with ribosome formation?

8. What are chromosomes made up of?

9. Define plasmolysis.

10. What is a nucleoid?

11. Which organelles other than nucleus contain DNA?

ANSWER THE FOLLOWING-

1. Describe the microscopic structure of the cell.

2. There would be no plant life if chloroplasts did not exist. Justify

3. Why the Golgi apparatus is called the secretary organelle of the cell?

4. What are the functional regions of a cell?

5. What is the significance of pores present on the nuclear membrane?

6. Differentiate between rough and smooth endoplasmic reticulum. How is endoplasmic

reticulum important for membrane biogenesis?

7. What is membrane biogenesis? How is plasma membrane formed during this process?

8. What is cell division? Give the types of cell division

9. What are the functional differences between a plasma membrane and cell wall?

10. Write a note on Golgi apparatus and the functions it performs.

11. How will absence of any one of the cell organelle affect the cell’s working?

12. Draw a neat labeled diagram of an animal cell.

13. Draw a neat diagram of plant cell and label any three parts which differentiate it from

animal cell.

14. Draw a labeled diagram of mitochondria. Write the functions of mitochondria.

15. Distinguish between the following-

a) Chromoplast & chloroplast

b) Nucleus and nucleoid

c) Plant cell and animal cell