Regeneration of damaged growing grass following grazing is largely due to:

1. Lateral meristem

2. Apical meristem

3. Intercalary meristem

4. Secondary meristem

Cylindrical meristem is term used for?
1. Lateral meristem.
2. Promeristem.
3. Intercalary meristem.
4. Primary meristem.

In a dicot stem, the interfascicular cambium strip arises 

1. Between xylem and phloem

2. From medullary rays

3. From pith

4. From pericycle

The feature which is common to both heartwood and sapwood is

1. Both are the regions of secondary xylem

2. Both are involved in the conduction of water.

3. Both comprise dead elements with the accumulation of aromatic compounds.

4. Both are located in the central layers of the stem.

The intrafascicular cambium

1. is a simple permanent tissue

2. is a meristematic tissue

3. is a complex permanent tissue

4. is secondary meristem

Axillary bud is the left part of ________ meristem and may form _____or a _______ further
1.shoot, branch, flower
2.shoot, leaf, flower
3. root, branch, flower
4. root,leaf, flower

How many of the following statements are true for heartwood?
I. It provides mechanical support to the stem
II. It does not conduct water
III. It is hard, durable, and resistant to the attacks of microbes
IV. It is the innermost layer of the wood
V. It comprises dead elements with highly lignified walls
VI. More the heartwood is present, the better is the quality of the wood

1. Four
2. Five
3. Six
4. Three

In dicot roots, secondary phloem is formed towards the _________ and secondary xylem is formed towards the __________ by the activity of vascular cambium.
1.periphery, centre
2.centre, periphery
3.innerside, outerside
4.Both 2 and 3

State True (T) or False (F) to the given statements and
select the correct option
(A) All tissue layers exterior to the vascular cambium
constitute bark.
(B) Root hypodermis is sclerenchymatous.
(C) Ground tissue of leaves is called mesophyll.
(D) Due to presence of casparian strips, endodermis
is impervious to water.
    (A)  (B)   (C)  (D)
1. T    F      F     T 
2. T    F      T     T
3. F    T      T     F
4. T    F      T     F

State True (T) or False (F) to the given statements and select the correct option
(A) Annual rings are distinct in plants growing in temperate regions.
(B) Lenticels occur in most woody trees and permit the exchange of gases.
(C) Due to stellar secondary growth, central cylinder of wood surrounded by secondary phloem is formed.
(D) The cells of endodermis opposite to protoxylem divide to give rise vascular cambium in dicot roots.

    (A) (B)  (C)  (D)
1.  T    T     F    F
2.  T    T     T    F 
3.  T    F     T    F
4.  F    F     T    T