In aquatic plants, large air sacs give them buoyancy effects. These sa

In aquatic plants, large air sacs give them buoyancy effects. These sacs are surrounded by which one of the following types of tissues?

[amp_mcq option1=”Parenchyma” option2=”Collenchyma” option3=”Sclerenchyma” option4=”Complex tissue” correct=”option1″]

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UPSC NDA-1 – 2022

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In aquatic plants, large air sacs or cavities that provide buoyancy are modifications of parenchyma tissue. This specialized parenchyma tissue with extensive intercellular air spaces is called aerenchyma. Aerenchyma facilitates gas exchange in submerged tissues and provides buoyancy, allowing the plant to float or remain upright in water.

Aerenchyma, a type of parenchyma tissue characterized by large air spaces, provides buoyancy and aids gas exchange in aquatic plants.

Collenchyma provides mechanical support to growing parts of the plant. Sclerenchyma provides rigid support and mechanical strength to mature parts of the plant. Complex tissues like xylem and phloem are responsible for transport of water, minerals, and food.

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