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Plant Tissues - 2 (Class IX)

Description: Plant Tissues - 2
Number of Questions: 15
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Tags: Plant Tissues - 2 Types of Meristematic Tissues Simple Permanent Tissues Complex Permanent Tissues
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Which of the following elements of phloem consist(s) of dead cells?

  1. Sieve tubes

  2. Companion cells

  3. Phloem parenchyma

  4. Phloem fibres

  5. None of these


Correct Option: D
Explanation:

This is the correct option as phloem fibres are dead cells which possess narrow lumen. They provide mechanical strength to the tissue.

Dermal tissues, ground tissues and vascular tissues are produced by

  1. intercalary meristem tissues

  2. apical meristem tissues

  3. parenchyma tissues

  4. collenchyma tissues

  5. sclerenchyma tissues


Correct Option: B
Explanation:

Yes, it is the correct answer. Specific regions of apical meristem produce dermal tissues, ground tissues and vascular tissues.

Which of the following types of lateral meristems are involved in secondary growth?

  1. Epidermis and endodermis

  2. Peripheral and central

  3. Xylem and phloem

  4. Vascular cambium and cork cambium

  5. None of these


Correct Option: D
Explanation:

Vascular cambium and cork cambium are involved in secondary growth.

Which of the following statements is false regarding epidermal tissue of plants?

  1. It is made of elongated compact cells.

  2. Cuticle is present in stem and root.

  3. Stoma is found in this layer.

  4. Its cells bear hair.

  5. It is the outermost layer.


Correct Option: B
Explanation:

Yes, it is the correct answer as this is a false statement.

Which of the following tissues acquires a specific role and loses the ability of cell division?

  1. Meristematic tissue

  2. Permanent tissue

  3. Cambium

  4. Vascular cambium


Correct Option: B
Explanation:

The tissue which is composed of mature and differentiated cells that have already undergone definite growth and have assumed definite size, shape and function is known as permanent tissue. Permanent tissue acquires a specific role and loses the ability of cell division.

Which of the following meristems helps in increasing the girth of a plant?

  1. Lateral meristem

  2. Intercalary meristem

  3. Primary meristem

  4. Apical meristem


Correct Option: A
Explanation:

Lateral meristem helps in increasing the girth of a plant.

Which of the following tissues forms long, flexible, but strong strands in leaf stalks?

  1. Sclerenchyma

  2. Collenchyma

  3. Xylem

  4. Prosenchyma


Correct Option: B
Explanation:

Collenchymatous tissue forms long, flexible, but strong strands in leaf stalks. 

Which of the following tissues has dead cells?

  1. Collenchyma

  2. Sclerenchyma

  3. Parenchyma

  4. Phloem


Correct Option: B
Explanation:

Sclerenchyma has dead cells.

Name the chemical secreted by cork cells that makes them impervious to gases and water.

  1. Suberin

  2. Lignin

  3. Cutin

  4. Melanin


Correct Option: A
Explanation:

Suberin is the chemical secreted by cork cells that makes them impervious to gases and water.

The plant tissue found predominately in the flesh of apples and pineapples is

  1. trachea

  2. xylem fibre

  3. sclereid

  4. parenchyma

  5. tracheid


Correct Option: C
Explanation:

Sclereids are found in fruit or seed walls and also in the flesh of apples and pineapples. 

Why are sieve tubes suited for translocation of food?

  1. Because of bordered pits

  2. Because of no end walls

  3. Because of broader lumen and perforated cross walls

  4. Because of bordered pits and absence of protoplasm


Correct Option: C
Explanation:

The end walls of sieve tubes are perforated and these perforated end plates are called sieve plates. Pores in these tubes offer less resistance.

Which of the following is the correct set of components of xylem tissue?

  1. Xylem fibres, sieve cells, sclerenchyma cells and tracheids

  2. Vessels, tracheids, xylem parenchyma and fibres

  3. Collenchyma cells, fibres, companion cells and vessels

  4. Tracheids, xylem collenchyma, xylem parenchyma and meristem


Correct Option: B
Explanation:

Xylem tissue consists of vessels, tracheids, xylem parenchyma and fibres.

Which of the following tissues translocates food in plants?

  1. Xylem

  2. Phloem

  3. Collenchyma

  4. Sclerenchyma


Correct Option: B
Explanation:

Phloem tissue translocates food in plants.

Which of the following help(s) in the conduction of water in plants?

  1. Root hairs

  2. Phloem fibres

  3. Xylem vessels

  4. Phloem parenchyma


Correct Option: C
Explanation:

Xylem vessels and tracheids are tubular structures. This allows them to transport water and minerals vertically.

Which of the following is a function of meristem?

  1. Absorption of water

  2. Absorption of minerals

  3. Translocation of food

  4. Growth of plants


Correct Option: D
Explanation:

Meristematic tissue helps in plant growth. Throughout the life of the plant, the rate of cell division and cell elongation in the meristems is regulated by plant hormones. 

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