In parenchyma, all cells are isodiametric and
1. | Thin-walled |
2. | Thick-walled |
3. | Lignified-walled |
4. | Devoid of intercellular spaces |
_________ are commonly found in the fruit walls of nut.
1. | Parenchyma | 2. | Collenchyma |
3. | Sclerenchyma | 4. | Complex tissue |
Cells having cellulose, hemicellulose and pectin deposits on the wall and shows its presence commonly in the petiole of leaf and growing green stems belong to
1. Sclerenchyma
2. Collenchyma
3. Aerenchyma
4. Parencyma
The most abundant and common tissue in plants
1. | Has non-vacuolated cytoplasm |
2. | Is living and has cellulosic wall |
3. | Stores ergastic substances always |
4. | Cannot take part in photosynthesis |
All of the given characteristics are related to parenchyma tissue except
1. Composed of living cells
2. Generally isodiametric cells
3. Cell wall is mainly made up of suberin
4. Either closely packed cells with no intercellular spaces or have small intercellular spaces
Living mechanical tissue with a thickening at the cells corners possess deposition of
1. | Lignin |
2. | Cellulose and pectin only |
3. | Cellulose, hemicellulose and pectin |
4. | Cellulose only |
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 |
Parenchymal cells have ________ walls and are made up of _____________.
1. Thick, cellulose
2. Thin, cellulose
3. Thick, hemicellulose
4. Thin, hemicellulose
Which of the following component of phloem is mainly responsible for the storage of food material and other substances like resins, latex and mucilage?
1. Sieve tube
2. Companion cell
3. Bast fibres
4. Phloem parenchyma
Identify the mismatched pair:
Tissue | Feature | |
1. | Thick walled, elongated and pointed cells present in hypodermis of dicot stem | |
2. | Forms the major component within plant organs | |
3. | Commonly found in pulp of fruits like guava, pear and sapota | |
4. | Provide mechanical support to growing parts of plant |