HORTICULTURE

HORTICULTURE SCIENCE

PLANT BIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Plant tissue that supports growing regions of the plant.
A
parenchyma
B
collenchyma
C
sclerenchyma
D
meristematic
Explanation: 

Detailed explanation-1: -Collenchyma is a supporting tissue characteristic of the growing organs of many herbaceous and woody plants, and it is also found in stems and leaves of mature herbaceous plants, including those that are only slightly modified by secondary growth.

Detailed explanation-2: -Collenchyma is observed as supporting tissue in growing organs of numerous herbaceous and woody plants, and in mature stems and leaves of herbaceous plants, including those starting secondary growth. Collenchyma provides support for the grow of herbaceous stems, leaves and flowers of dicotyledon plants.

Detailed explanation-3: -Collenchyma tissue is composed by elongated living cells of uneven primary thick walls, which possess hemicellulose, cellulose, and pectic materials. It provides support, structure, mechanical strength, and flexibility to the petiole, leaf veins, and stem of young plants, allowing for easy bending without breakage.

Detailed explanation-4: -Collenchyma tissues are found below the epidermis of stem and around veins of leaves in plants.

Detailed explanation-5: -Meristematic tissue found at all growing points such as tip of roots, stem and branches and function of meristematic tissue is to produce more cells leading to growth of the plant body.

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