Question

pleae tell me important question of biology class 9 cbse​

Answer 1

Answer:

1. Give four differences between bone and cartilage.

2. Give the functions of cartilage.

3. Give difference between xylem and pholem.

4. What is stomata?

5. Why does epidermal tissue have no intercellular space?

6. Name and give the function of each cell of xylem.

7. Why is blood called connective tissue?

8. State the difference between simple tissues of plants.

9. Explain the structure, function and location of nervous tissue.

10. Describe ‘epidermis’ in plants.

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Answer 2

Explanation:

lesson 2

1. Difference btw unicellular and multicellular organism.
2. prokaryotic and Eukaryotic
3. why lysosome is called as sucide bad of the cell
4. which organell is known as power house of the cell and why
5. NCERt q no. 3 and 4

• lesson 3

1. difference btw plant and animal tissue
2. difference btw xylem and phloem
3. what is blood its function and its type
4. difference btw rbc and wbc

• structure of nerve cell and label ii

1. what is tissue and its function
2. how are simple tissue different from complex tissue in plants
3. ncert excersie q no. 8 and 4

• lesson 4

1. what us taxanomy
2. difference btw gymnosperm and angio sperm
3. ncert q no 1,3,6 ncert text book q no 1, 5 13 15,17

• lesson 5

1. what is health
2. what is diseases and how many types of disease
3. ncert text book q no 1 ,2,9
4. factory necessaryy for healthy person
5. what is antibiotics
6. study about jaundice and TB

• lesson 6

1. nitrogen cycle
2. carbon cycle
3. oxygen cycle
4. rain water harbesting
5. soil erosion
6. how is soil formed
7. how does atmosphere act as a banker
8. green house effect
9. why do organism need water

• lesson 1

1. what is gm crop
2. difference btw macro and micro nutrirnt
3. manure and fertilization
4. inter and mixed cooking