Collenchyma
Trending Questions
Ground tissue system is made up of
Epidermis and cortex
All tissues internal to endodermis
All tissues external to endodermis
All tissues except epidermis and vascular bundles
What would you call the parenchyma cells that are made to divide under controlled conditions?
What are trichomes?
The flexibility in plants is due to ______ tissue.
- Phloem
- Parenchyma
- Collenchyma
- Sclerenchyma
- dicot stem
- monocot stem
- dicot root
- monocot root
I) Collenchyma contains lignin in its wall thickenings
II) Collenchyma is found only in aerial primary parts and is absent from the roots
III) Chlorenchyma is parenchyma or collenchyma with chloroplasts in them
IV) Collenchyma does not have intercellular spaces
Which of the following combinations are correct?
- I, II and III
- II, III and IV only
- III and IV only
- I, II, III and IV
The plant tissue gives mechanical support to young dicot stem.
- Collenchyma
- Sclerenchyma
- Parenchyma
- Meristems
A plant tissue, when stained, showed the presence of hemicellulose and pectin in cell wall of its cells. The tissue represents
(a) collenchyma
(b) sclerenchyma
(c) xylem
(d) meristem
Name the type of tissue that:
Is formed of dead, fiber-like cells as bundle-sheath in stem and leaves
(1) cytoplasm of chlorella
(2) capsule of a moss
Cell walls of sclerenchyma are rich in
Cellulose
Pectin
Lignin
Hemicellulose
Cells of this tissue are living and show angular wall thickening. They also provide mechanical support. The tissue is
(a) xylem
(b) sclerenchyma
(c) collenchyma
(d) epidermis
- Sclerenchyma
- Parenchyma
- Chlorenchyma
- Collenchyma
- Cytoplasm of Chlorella
- Mycelium of a green mould such as Aspergillus
- Spore capsule of a moss
- Pollen tube of Pinus
A permanent plant tissue made up of living cells having thickening at the corners is
Sclerenchyma
Collenchyma
Parenchyma
Phloem
The _______________cells of the plants are living and thickened at corner.
- Parenchyma
- Collenchyma
- Sclerenchyma
- Meristems
- storage
- support
- nutrients
- buoyancy
- sclerenchyma
- parenchyma
- chlorenchyma
- collenchyma
- parenchyma
- collenchyma
- sclerenchyma
- sclereids
Intercellular spaces occur in collenchyma.
- True
- False
- Starch
- Cellulose
- Pectin
- Lignin
Give any five characteristics of parenchyma tissues.
A. Meristem | (i) Photosynthesis, storage |
B. Parenchyma | (ii) Mechanical support |
C. Collenchyma | (iii) Actively dividing cells |
D. Sclerenchyma | (iv) Stomata |
E. Epidermal tissue | (v) Sclereids |
- A-(i), B-(iii), C-(v), D-(ii), E-(iv)
- A-(iii), B-(i), C-(ii), D-(v), E-(iv)
- A-(v), B-(iv), C-(iii), D-(ii), E-(i)
- A-(ii), B-(iv), C-(v), D-(i), E-(iii)
- Xylem
- Sclerenchyma
- Collenchyma
- Phloem
- suberized and contain no living protoplasts
- thin walled and often contain chloroplasts
- lignified and contain living protoplasts
- lignified and contain no living protoplast
State the function of parenchyma?
Parenchyma and Sclerenchyma.