T.S. of Monocot Stem

Q. While observing a slide of a plant tissue under a microscope, a student noticed skull-shaped vascular bundles. It can be said that the observed slide is a transverse section of

1. monocot stem
2. dicot stem
3. dicot root
4. monocot leaf

Q. Generally, hypodermis in monocots is composed of

1. chlorenchyma
2. collenchyma
3. parenchyma
4. sclerenchyma

Q. Phloem parenchyma is absent in

1. dicot root
2. monocot stem
3. dicot stem
4. dicot leaf

Q.

Collenchyma generally forms ___________.

1. Hypodermis

2. Inner cortex

3. Phloem

4. Epidermis

Q. In barley stem, vascular bundles are

1. open and scattered
2. closed and scattered
3. closed and radial
4. open and in a ring

Q.

Cortex is not differentiated in:

1. Monocot root

2. Monocot stem

3. Dicot root

4. Dicot stem

Q.

Grafting is not possible in monocots because they

1. Are herbaceous

2. Lack cambium

3. Have parallel venation

4. Have scattered vascular bundles

Q. Which of the following characters is not found in transverse section of monocot stem?

1. Sclerenchyma bundle sheath
2. Lysigenous cavity
3. Sclerenchymatous hypodermis
4. Starch sheath

Q. In which plant do you fail to find distinct differentiation between the cortex and the pericycle

1. Monocot stem.

2. Monocot root

3. dicot stem.

4. dicot root.

Q. Which of the following is/are present in dicot stem but absent in monocot stem?

1. Hairs
2. Undifferentiated ground tissue
3. Cortex
4. Pith

Q. In which plant do you fail to find distinct differentiation between the cortex and the pericycle

1. Monocot root

2. Monocot stem.

3. dicot root.

4. dicot stem.

Q. Vascular bundles are scattered in the ground tissue in ________.

1. dicot root
2. monocot stem
3. monocot root
4. both b and c

Q.

Phloem Parenchyma is absent in monocot stem.

1. True

2. False

Q.

In monocot stems, the vascular bundles are larger near the center and smaller near the periphery.

1. True

2. False

Q. Select the correct options:

$\begin{array}{cccc}& & \text{Monocot stem}& \text{Dicot stem}\\ \text{(i)}& \text{Hypodermis}& \text{(a)}& \text{(b)}\\ \text{(ii)}& \text{Vascular Bundles}& \text{(c)}& \text{(d)}\end{array}$

1. $a\to \text{collenchymatous}$
   $b\to \text{sclerenchymatous}$
   $c\to \text{scattered}$
   $d\to \text{arranged in a ring}$
2. $a\to \text{sclerenchymatous}$
   $b\to \text{collenchymatous}$
   $c\to \text{scattered}$
   $d\to \text{arranged in a ring}$
3. $a\to \text{collenchymatous}$
   $b\to \text{sclerenchymatous}$
   $c\to \text{arranged in a ring}$
   $d\to \text{scattered}$
4. $a\to \text{sclerenchymatous}$
   $b\to \text{collenchymatous}$
   $c\to \text{arranged in a ring}$
   $d\to \text{scattered}$