Which of the following is NOT a characteristic feature of collenchyma cells?
Presence of lignin in cell walls
Unevenly thickened cell walls
Living cells at maturity
Provides flexible support to the plant
Related Questions
Collenchyma is
Living and contains protoplasm
Dead and hollow
Dead and filled with reserve food
Living and contains no reserve food
Collenchyma is living mechanical tissue select the incorrect about it
Has cell wall thickening
Lacks protoplasm at maturity
Provides mechanical support
Generally lacks intercellular spaces
Where is collenchyma tissue typically found in a plant?
Beneath the epidermis in young stems and petioles
In the center of the stem
In the root cortex
In mature, woody stems
What type of thickening is observed in the cell walls of collenchyma tissue?
Uneven thickening
Uniform thickening
No thickening
Spiral thickening
Collenchyma cells often contain chloroplasts. What is the primary function of these chloroplasts in collenchyma tissue?
Photosynthesis, contributing to the plant's energy production.
Storage of starch and other carbohydrates.
Providing structural support to the cell.
Synthesis of pigments for coloration.
Parenchyma cells are associated with activity like?
Assimilation and storage
Conduction
Dedifferentiation
All
Which statement BEST describes the relationship between collenchyma and sclerenchyma?
Both are composed of living cells at maturity.
Both have evenly thickened cell walls.
Both contain lignin in their cell walls.
Both provide structural support, but collenchyma provides flexible support in growing regions while sclerenchyma provides rigid support in mature regions.
Which of the above following are simple tissues?
I. Parenchyma, II. Collenchyma, III. Sclerenchyma
I and II
II and III
I and III
I, II and III
The primary function of collenchyma in plants is to:
Provide flexible support to growing parts
Transport water and nutrients
Store food reserves
Protect against pathogens
Cell wall of collenchyma composed of?
Cellulose
Hemi cellulose
Pectin
All of these