Complex Permanent Tissue

Q. The shape of onion peel cells taken for observation under the microscope is________.

1. round
2. rectangular
3. spindle
4. elliptical

Q. Sieve tubes and companion cells are present in ___________ .

1. cambium
2. phloem
3. cork
4. xylem

Q.

What Is the Main Function of Sclerenchyma?

Q. meristem is present at the growing tips of stems and roots and increases the length of the stem and the root.

1. Apical
2. Lateral
3. Intercalary

Q.

What are the functions of tracheids?

Q.

• write about the elements of Xylem and explain the detail

Q.

What is the function of vessels in a xylem

Q. Which of the following xylem element stores food?

1. Xylem parenchyma

2. Xylem tracheids

3. Xylem fibres

4. Xylem vessels

Q. Find the odd one out from the following

1. tracheids
2. Xylem vessels
3. Sieve elements
4. Xylem parenchyma

Q. Which of the following is not a component of phloem?

1. Sieve tubes
2. Tracheids
3. Companion cells
4. Phloem parenchyma

Q.

What is callose?

Q. Identify the tissue:

(i) Cells are tightly packed without any space.
(ii) Cells are thick walled.
(iii) Cells of this tissue are dead.

1. Sclerenchyma
2. Collenchyma
3. Aerenchyma
4. Parenchyma

Q. Assertion [A]: Dermal tissues in desert plants are thick and waxy.

Reason [R]: Waxy coatings helps in transpiration.

1. Both A and R are correct
2. A is correct but R is incorrect
3. Both A and R are incorrect
4. A is incorrect but R is correct

Q.

Is pericycle a ground tissue?

Q.

The parenchyma cells containing chloroplast are called __________.

Q.

List the cellular elements of xylem tissue.

Q. Trachieds are dead cells. True or false

Q.

There are intercellular spaces in collenchymatous cells.

1. True
2. False

Q.

(a) Define complex permanent tissue.

(b) Name the conductive tissues?

(c) Write the components of xylem and phloem.

Q.

A permanent plant tissue consisting of thin walled living cells is ---------------------

1. Parenchyma

2. Collenchyma

3. Sclerenchyma

4. Xylem

Q.

what is protophloem ?

Q.

Which of following is a vascular tissue?

1. phloem

2. xylem

3. phloem and xylem

4. stomata

Q. Write True or False.​
Sclerenchyma consists of actively dividing cells which help in growth.​

Q. Identify the complex permanent tissues from the following.

1. Parenchyma
2. Xylem
3. Sclerenchyma
4. Phloem

Q.

What are phanerogams?

Q. Identify the type of plant tissue.
(i) It consists of unspecialised cells with thin cell walls.
(ii) They are usually loosely packed.
(iii) Large intercellular spaces are found in this tissue.
(iv) This tissue provides support to plants and also stores food.

1. Parenchyma
2. Apical meristem
3. Sclerenchyma
4. Xylem

Q.

1. Comment on the following statement.

One of the characteristic features of plant cell is the presence of vacuoles. But vacuoles are absent in meristematic cells.

Q.

The main function of sclerenchyma is to help in the -------------------

1. Conduction of food

2. Synthesis of food

3. Exchange of gases

4. Mechanical support

Q.

Give the characteristics and function of xylem fibres.

Q.

Is Xylem a tissue?