Q. No.Phloem of gymnosperm consist of
1. Albuminous cells and Sieve cells
2. Sieve tubes and companion cells
3. Phloem parenchyma and phloem fibres
4. None of the above
1. Albuminous cells and Sieve cells
2. Sieve tubes and companion cells
3. Phloem parenchyma and phloem fibres
4. None of the above
Function of sieve tubes are controlled by
1. Nucleus of sieve tube
2. Nucleus of companion cell
3. Nucleus of parenchyma
4. No function as they are dead cells
Resin, latex and mucilage are found in
1. Phloem parenchyma
2. Xylem parenchyma
3. Phloem pits
4. None of the above
Phloem parenchyma is absent in most of the
1. Dicotyledons
2. Monocotyledons
3. Desert plants
4. None of the above
Phloem fibres are made up of
1. Parenchymatous cells
2. Sclerenchymatous cells
3. Collenchymatous cells
4. None of the above
Epidermis in plant is generally
1. Single layered
2. Double layered
3. Triple layered
4. Present in patches
Epidermal cells are parenchymatous with __________ amount of cytoplasm lining, the cell wall and _______ vacuole.
(1) Small, large
(2) Large, small
(3) Small, no
(4) Large, no
All tissue except ____________ constitute the ground tissue.
1. Epidermis
2. Vascular bundles
3. Both (1) and (2)
4. Cuticle
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