Lignin is a component of the secondary walls of:-

1. Epidermis

2. Collenchyma

3. Sclerenchyma

4. Parenchyma

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

Which one is true of parenchyma
1.help in storage, secretion and photosynthesis
2.intercellular spaces are schizogenous in origin
3.universal tisssue
4.All of the above

In Ground tissue system, parenchymatous cells are usually present in
1.cortex
2.pericycle
3. pith and medullary rays
4. All of the above

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

Bark refers to all the tissues

1. External to vascular cambium

2. External to cork cambium

3. Formed earlier in the season

4. Impregnated with suberin

Select incorrect statement with respect to anatomical features of monocot root.

1. Pericycle produces lateral roots and part of vascular cambium

2. Exodermis is present in older roots

3. Conjunctive parenchyma does not produce cambium

4. Well developed pith is present

In the life cycle of a plant, the secondary tissues are made by

1. Intercalary meristem and vascular cambium

2. Apical meristem and cork cambium

3. Cork-cambium and vascular cambium

4. Primary meristems and interfascicular cambium

Casparian strips are present in the endodermis of

1. Monocot stem

2. Dicot root

3. Dicot stem

4. More than one option is correct

The springwood present in an annual ring

1. Is dark colored

2. Has high density than autumn wood

3. Has abundant fibers

4. Has low density than autumn wood