Q. No.Bark refers to all the tissues
1. External to vascular cambium
2. External to cork cambium
3. Formed earlier in the season
4. Impregnated with suberin
Lignin is a component of the secondary walls of:-
1. Epidermis
2. Collenchyma
3. Sclerenchyma
4. Parenchyma
Which one is true of parenchyma
| 1. | help in storage, secretion and photosynthesis |
| 2. | intercellular spaces are schizogenous in origin |
| 3. | universal tissue |
| 4. | All of the above |
Which of the following is the largest tissue system
| 1. | Epidermal tissue system |
| 2. | vascular tissue system |
| 3. | Ground tissue system |
| 4. | Both 1 and 2 |
In Ground tissue system, parenchymatous cells are usually present in
1. cortex
2. pericycle
3. pith and medullary rays
4. All of the above
Which one is true for spongy parenchyma
| 1. | abaxially placed to palisade parenchyma |
| 2. | oval or round & loosely arranged cells |
| 3. | extends to the abaxial epidermis |
| 4. | All of the above |
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
Spongy tissue is generally situated towards which side in dorsiventral leaf ?
| 1. | Abaxial | 2. | Adaxial |
| 3. | Upper | 4. | Ventral |
Select incorrect statement with respect to anatomical features of monocot root.
| 1. | Pericycle produces lateral roots and part of vascular cambium |
| 2. | Exodermis is present in older roots |
| 3. | Conjunctive parenchyma does not produce cambium |
| 4. | Well developed pith is present |
Casparian strips are present in the endodermis of
| 1. | Monocot stem |
| 2. | Dicot root |
| 3. | Dicot stem |
| 4. | More than one option is correct |
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