Q. No.Air cavities are present in
(1)palisade parenchyma
(2)spongy parenchyma
(3)vascular bundle
(4)All of the above
Midrib and veins of the represent
| 1. | vascular bundle |
| 2. | cortex |
| 3. | palisade parenchyma |
| 4. | spongy parenchyma |
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 |
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