Plant Tissues - 1 (Class - IX)
Test your knowledge of plant tissues including meristematic tissues (apical, intercalary, lateral), permanent tissues (parenchyma, collenchyma, sclerenchyma), and vascular tissues (xylem, phloem) suitable for Class IX biology students.
Questions
Match the following:
| a. Apical meristems | 1. These are located at the base of leaves and internodes. |
| b. Lateral meristems | 2. These are found beneath the bark and in vascular bundles of dicot roots and stems. |
| c. Intercalary meristems | 3. These are situated at the growing tip of stems and roots. |
- a - 3, b - 1, c - 2
- a - 3, b - 2, c - 1
- a - 2, b - 3, c - 1
- a - 1, b - 3, c - 2
- a - 1, b - 2, c - 3
The cell walls of sclerenchyma are greatly thickened with
- xylem
- phloem
- lignin
- aerenchyma
- epidermis
________ are responsible for the formation of primary plant body and its growth.
- Apical meristem and intercalary meristem
- Simple tissues and complex tissues
- Meristematic and permanent tissues
- Parenchyma and collenchyma
- Sclerenchyma and collenchyma
By which of the following processes does plant tissue become woody?
- Suberisation
- Pectification
- Calcification
- Lignification
Which of the following is not a characteristic of phloem fibres?
- They have elongated cells.
- They have lignified cells.
- They have living cells.
- They provide mechanical support.
Which of the following statements is incorrect for a simple permanent tissue?
- It consists of relatively unspecialised cells with thin cell walls.
- It consists of live cells.
- It is usually packed tightly.
- It provides support to plants and stores food.
Meristematic tissues are distinguished by which of the following features?
- They have power of cell division.
- They lack power of cell division.
- They are highly differentiated cells.
- They are lignified.
Which type of tissue is cambium?
- Intercalary
- Permanent
- Apical meristem
- Lateral meristem
Which of the following tissues is present in the husk of coconut?
- Sclerenchyma
- Chlorenchyma
- Aerenchyma
- Meristematic tissue
Match the following:
| 1. Tracheids | (a) Complex permanent tissue |
| 2. Companion cells | (b) Transport metabolic products |
| 3. Sieve tubes | (c) Dense cytoplasm |
| 4. Xylem | (d) Transport minerals |
- 1 – (d), 2 – (b), 3 – (a), 4 – (c)
- 1 – (d), 2 – (c), 3 – (b), 4 – (a)
- 1 – (c), 2 – (b), 3 – (d), 4 – (a)
- 1 – (c), 2 – (d), 3 – (c), 4 – (b)
Which tissue provides buoyancy to aquatic plants?
- Parenchyma
- Chlorenchyma
- Aerenchyma
- Sclerenchyma
Which of the following xylem cells are mainly supportive in function?
- Parenchyma
- Tracheids
- Fibres
- Vessels
Consider the following statements regarding functions of epidermis:
(a) It provides mechanical support and strength.
(b) It checks the entry of pathogen thus protects internal tissues.
(c) It enhances the rate of transpiration by developing cuticle.
(d) Exchange of gases occurs through stomata.
Which of the above statements is/are incorrect?
- Only (a)
- Only (b)
- Only (c)
- Only (d)
- Only (c) and (d)
Match the following:
| a. The parenchyma which contains chloroplasts is called | 1. Aerenchyma |
| b. The parenchyma which contains large air cavities or spaces is called | 2. Chlorenchyma |
| c. The parenchyma which stores water or food or waste products is called | 3. Storage tissue |
- a - 1, b - 3, c - 2
- a - 2, b - 3, c - 1
- a - 2, b - 1, c - 3
- a - 1, b - 2, c - 3
- a - 3, b - 1, c - 2
Which of the following properties is/are false?
a. The cells of the parenchyma are soft.
b. The cells of the parenchyma are thick-walled.
c. The cells of the parenchyma are loosely packed.
- Only a
- Only a and b
- Only b
- Only b and c
- Only c