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  • Plants, unlike animals, have no specialised organs for gaseous exchange. Which of the following statement (s) correctly justifies it.Option: 1 <p dir="l

Plants, unlike animals, have no specialised organs for gaseous exchange. Which of the following statement (s) correctly justifies it.

Option: 1

Each plant part takes care of its own gas-exchange needs and very little transport of gases within plant parts is needed


Option: 2

Plants do not present great demands for gas exchange as plant parts respire at rates far lower than animals do.


Option: 3

The distance that gases must diffuse is not great as the plant cells are located quite close to the surface of the plant


Option: 4

All of these


Answers (1)

best_answer

Plants can get along without respiratory organs because of following reasons:

  1. First, each plant part takes care of its own gas-exchange needs. There is very little transport of gases from one plant part to another.

  2. Second, plants do not present great demands for gas exchange. Roots, stems and leaves respire at rates far lower than animals do.

  3. Third, the distance that gases must diffuse even in large, bulky plants is not great. Each living cell in a plant is located quite close to the surface of the plant.

Posted by

Devendra Khairwa

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