Q. No.The size of the vascular bundles are dependent on the size of the
1.
veins
2.
air cavities
3.
chloroplast
4.
All of the above
Which one is true for dicot leaf
| 1. | veins thickness vary |
| 2. | reticulate venation is present |
| 3. | all vascular bundles are similar in size |
| 4. | Both 1 and 2 |
In dicot leaf vascular bundle are surrounded by _________which are mostly made up of thick walled_________
| 1. | bundle sheath, parenchyma |
| 2. | bundle sheath, sclerenchyma |
| 3. | bundle sheath, collenchyma |
| 4. | spongy parenchyma |
How many of the followings are not present in the dicot leaf
Epidermis, hypodermis, endodermis, pericycle, pith, medullary rays
| 1. | 6 | 2. | 5 |
| 3. | 4 | 4. | 3 |
In monocot leaf, Mesophyll is differentiated into
| 1. | Spongy and palisade parenchyma |
| 2. | only spongy parenchyma |
| 3. | no differentiation of mesophyll |
| 4. | only palisade parenchyma |
Bulliform cells are
(1)small, empty, and colourless
(2)large, empty and colourless
(3)large and photosynthetic
(4) large and fluid filled and colourless
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 |
Dicot leaves are ____________and monocot leaves are _______________.
| 1. | hypostomatic and amphistomatic |
| 2. | amphistomatic and hypostomatic |
| 3. | Astomatic and amphistomatic |
| 4. | epistomatic and hypostomatic |
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