Which is the correct set of options with respect to the following?
1. Dicot stem         –  Differentiated ground tissue.
    Monocot stem    –  Endarch xylem.
    Dicot leaf           –  Isobilateral leaf.
    Monocot leaf      –  Dorsiventral leaf.

2. Dicot stem         –   Scattered vascular bundle.
    Monocot stem    –   Arranged vascular bundle.
    Dicot leaf           –   Amphistomatic.
    Monocot leaf      –   Hypostomatic.

3. Dicot stem          –   Endodermis is called a starch sheath.
     Monocot stem    –  Vascular bundle surrounded by a sclerenchymatous sheath.
      Dicot leaf          –  Palisade and spongy parenchyma.
      Monocot leaf     –  Stomata present on both surfaces.

4.  Dicot stem         –  Arranged vascular bundle.
    Monocot stem      – Endodermis is called a starch sheath.
    Dicot leaf            –  Amphistomatatic.
    Monocot leaf       –  Palisade and spongy
                                 parenchyma.

The lower surface of the leaf will have more stomata in a
1. dorsiventral leaf

2. isobilateral leaf

3. Both 1 and 2

4. None of these

Which of the following characters is/are related to
isobilateral leaf?
(a) Stomata are present on both surfaces.
(b) Mesophyll is differentiated into palisade and
spongy parenchyma.
(c) Sub-stomatal cavity is present below the stoma of
the abaxial epidermis.

1. Only (a)
2. Only (c)
3. Only (a) and (c)
4. (a), (b) and (c)

Large, empty colourless cells of the adaxial epidermis along the veins of grass leaves are:

Grass leaves curl inwards during very dry weather. Select the most appropriate reason from the following :

1. Tyloses in vessels

2. Closure of stomata 

3. Flaccidity of bulliform cells

4. Shrinkage of air spaces in spongy mesophyll

In monocot leaf

The similar size of vascular bundle in monocot leaf is due to

In grasses leaves are exposed when bulliform cells becomes­­­­_________ and leaves curl inwards when they are _________

(1)flaccid ,turgid

(2)plasmolysed, turgid

(3)turgid, flaccid

(4)Both B and A

The no of stomata are _______on upper and ______lower surface in monocot leaf
1.more, less
2.less, more
3.equal, equal
4.None of the above