Assertion : Plants have no specialised respiratory organs.
Reason : There is very little transport of gases from one plant part to another.

What are the reasons why plants can get along without respiratory organs? a. Each plant part takes care of its own gas exchange needs. There is very little transport of gases from one plant part to another. b. Plants do not present great demands for gaseous exchange, root, stem and leaves respire at rates far lower than animals do. c. The distance that gases must diffuse even in large, bulky plants is not great.

Why plants do not need respiratory organs?

Assertion (A): In plants there are no specialised respiratory organs. Reason (R): Plants do not require great demands of gaseous exchange.

Assertion :- Plants are devoid of specialised respiratory organs. Reason:- Each plant part takes care of it's own gaseous exchange needs .

Why do plants don't have respiratory organs ?

How is food material transported from the leaves to other plant parts?

Assertion :- In plants there is no need of respiratory and Circulatory system. Reason:- In plants most of the cells have at least a part of their surface in contact with air and an interconnected network of air spaces.

Assertion : Plants having gene from Bacilus thuringiensis are resistant to insects Reason : Theso transgenic plants have receptors which convert protoxin into active toxin.