Q. No.Parenchymal cells have ________ walls and are made up of _____________.
(1) Thick, cellulose
(2) Thin, cellulose
(3) Thick, hemicellulose
(4) Thin, hemicellulose
(1) Thick, cellulose
(2) Thin, cellulose
(3) Thick, hemicellulose
(4) Thin, hemicellulose
Parenchyma performs various functions like
(1) Photosynthesis, storage and secretion
(2) Photosynthesis, transportation and storage
(3) Photosynthesis, transpiration and secretion
(4) Excretion, transpiration and photophosphorylation
Collenchymatous cells are thickened due to deposition of
(1) Cellulose
(2) Hemicellulose
(3) Pectin
(4) All
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
Lignified cell wall is characteristic feature of
(1) Parenchyma
(2) Collenchyma
(3) Sclerenchyma
(4) None
_________ are commonly found in the fruit walls of nut.
| 1. | Parenchyma | 2. | Collenchyma |
| 3. | Sclerenchyma | 4. | Complex tissue |
Tracheids, vessels, xylem fibres and xylem parenchyma are components of
(1) Simple tissue
(2) Xylem
(3) Sclereids
(4) Pith
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
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