Air cavities are present in
(1)palisade parenchyma
(2)spongy parenchyma
(3)vascular bundle
(4)All of the above
Midrib and veins of the leaf 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 | 
Monocot leaf is
| 1. | Isobilateral | 2. | equifacial | 
| 3. | bifacial | 4. | Both A and B | 
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 |