Question

BIOLOGY
CLASS-9 CH-2TISSUES (PLANT TISSUE)
1. What are the characteristics of parenchyma and their functions ?
2. Difference between xylem and phloem ?
3. Write the names of different types of tissues in plants and their
classification ?
4. Differentiate between parenchyma, collenchyma and sclerenchyma on
the basis of their cell wall.
5. What are the functions of stomata?
6. What is the role of Epidermis in plants.
7. Which tissue help in transportation of water and translocation of food?​

Answer 1

1. PARENCHYMA TRANSPORTS PREPARED FOOD MATERIAL TO OTHER PARTS OF BODY

Answer 2

Answer -

1. PLEASE REFER THE IMAGE FOR ANSWER 1.

2. PLEASE REFER THE IMAGE FOR ANSWER 2.

3. PLEASE REFER THE IMAGE FOR ANSWER 3.

4. PLEASE REFER THE IMAGE FOR ANSWER 4.

5. PLEASE REFER THE IMAGE FOR ANSWER 5.

6. Epidermis is present on the outer surface of the whole plant body. The cells of the epidermal tissue form a continuous layer without any intercellular space. It performs the following important functions:-

1. Cells of epidermis are water resistant thus prevent excess loss of water.

2. It is a protective tissue which protect the plant body

.

3. It allows exchange of gases through the stomata.

7. Transportation of food and water takes place through xylem and phloem in the plants. The water from the roots is transported through xylem. Phloem on other hand transports the food prepared in the leaves to other parts of the plants. This is the major form of transportation and translocation.

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