A tree can be killed by removing its bark, as this also removes the ________.

1. Phelloderm only

2. Phellem only

3. Primary xylem

4. Secondary phloem

Choose odd with respect to collenchyma

1. Living mechanical tissue

2. Intercellular space is absent in angular type

3. Thickening of the wall is due to deposition of lignin

4. Found in hypodermis of dicot stem

Select incorrect statements from the given below:

1 (i) and (ii)

2. (ii) and (iii)

3. (i), (ii) and (iii)

4. Only (iv)

Select incorrect statement with respect to the anatomy of monocot stem

1. Parenchymatous ground tissue is extended from hypodermis to center

2. Hypodermis is made of thick-walled living mechanical tissue

3. Vascular bundles are conjoint, collateral and closed with endarch xylem

4. Pith is absent

In parenchyma, all cells are isodiametric and

1. Thin-walled

2. Thick-walled

3. Lignified-walled

4. Devoid of intercellular spaces

In which character an isobilateral leaf differs from the dorsiventral leaf?

1. Scattered vascular bundles

2. Undifferentiated mesophylls

3. Absence of stomata with guard cells

4. Conjoint, collateral, and closed vascular bundle

Tissue which provides mechanical strength and flexibility to young dicot stem is present in

1. Pith

2. Endodermis

3. Hypodermis

4. Cortex

The ground tissue system is constituted by all off these, except

1. Medullary rays

2. Pericycle

3. Mesophyll

4. Xylem

Conjoint, collateral, closed vascular bundles without phloem parenchyma are found in plants which have

1. Differentiated ground tissue in the stem

2. Dedifferentiated pericyclic structure in the mature root

3. Sclerenchymatous hypodermis in stem

4. Developed pith in stem

The tissue belonging to bark but not to periderm is

1. Vascular cambium

2. Secondary phloem

3. Phellem

4. Secondary cortex