Q. No.Identify the tissue system from among the following.
1. Parenchyma
2. Xylem
3. Epidermis
4. Phloem
How many shoot apical meristems are likely to be present in a twig of a plant possessing, 4 branches and 26 leaves?
1. 26
2. 1
3. 5
4. 4
What is the fate of the primary xylem in a dicot root showing extensive secondary growth?
1. It is retained in the center of the axis
2. It gets crushed
3. May or may not get crushed
4. It gets surrounded by primary phloem
Match the followings and choose the correct option from below
|
A |
Meristem |
i. |
Photosynthesis, storage |
|
B |
Parenchyma |
ii. |
Mechanical support |
|
C |
Collenchyma |
iii. |
Actively dividing cells |
|
D |
Sclerenchyma |
iv. |
Stomata |
|
E |
Epidermal tissue |
v. |
Sclereids |
Options:
|
1. |
A-i |
B-iii |
C-v |
D-ii |
E-iv |
|
2. |
A-iii |
B-i |
C-ii |
D-v |
E-iv |
|
3. |
A-ii |
B-iv |
C-v |
D-i |
E-iii |
|
4. |
Av |
B-iv |
C-iii |
D-ii |
E-i |
Match the following columns:
| Column I | Column II |
| A. Meristem | i. Photosynthesis, storage |
| B. Parenchyma | ii. Mechanical support |
| C. Collenchyma cells | iii. Actively dividing |
| D. Sclerenchyma | iv. Stomata |
| E. Epidermal tissue | v. Sclereids |
Codes:
| A | B | C | D | E | |
| 1. | i | iii | v | ii | iv |
| 2. | iii | i | ii | v | iv |
| 3. | ii | iv | v | i | iii |
| 4. | v | iv | iii | ii | i |
Ectophloic siphonostele is found in:
1. Osmunda and Equisetum
2. Adiantum and Cucurbitaceae
3. Marsilea and Botrychium
4. Dicksonia and Maiden hair fern
In a woody dicotyledonous tree, which of the following parts will mainly consist of primary tissues:
1. Stem and root
2. All parts
3. Shoot tips and root tips
4. Flowers, fruit, and leaves
An important step in the manufacture of pulp for the paper industry from the woody tissues of plants is the:
| 1. | Removal of water from the wood by prolonged heating at approximately 50º |
| 2. | Treatment of wood with chemicals that break down cellulose |
| 3. | Removal of oils present in the wood by treatment with suitable chemicals |
| 4. | Preparation of pure cellulose by removing lignin |
Axillary bud and terminal bud are derived from the activity of:
1. Lateral meristem
2. Intercalary meristem
3. Apical meristem
4. Parenchyma
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