Complex tissue in plants have
1. Xylem
2. Sclerenchyma
3. Phloem
4. Both 1 and 3
Tracheids, vessels, xylem fibres and xylem parenchyma are components of
1. Simple tissue
2. Xylem
3. Sclereids
4. Pith
The mechanical support to growing parts of plant such as young stem and petiole of leaf is provided by
(1) Collenchyma
(2) Parenchyma
(3) Bark
(4) Sieve tube
_________ are commonly found in the fruit walls of nut.
1. | Parenchyma | 2. | Collenchyma |
3. | Sclerenchyma | 4. | Complex tissue |
Collenchymatous cells are thickened due to deposition of
1. Cellulose
2. Hemicellulose
3. Pectin
4. All
Lignified cell wall is characteristic feature of
1. Parenchyma
2. Collenchyma
3. Sclerenchyma
4. None
In flowering plants which of the following are main water transporting element
1. Tracheids
2. Vessels
3. Both A and B
4. None of the above
Collenchyma occurs in layer below
1. Parenchyma
2. Sclerenchyma
3. Epidermis
4. Endodermis
Dead cell without protoplasm is ___________.
1. Sclerenchyma
2. Tracheids
3. Parenchyma
4. Both A and B
Elongated cells with thick and lignified walls and tapering ends is a characteristic feature of
1. Xylem parenchyma
2. Xylem fibres
3. Tracheids
4. Vessels