Stilt roots which grow obliquely from basal nodes of culm stem and acting as brace are found in

A root grows in length, which region of the root is responsible for this growth?

Which of the following pairs are correctly matched

(1)Assimilatory roots      —       Photosynthesis

(2)Fasciculated roots     —       Food storage

(3)Stilt root                     —      Mechanical support

(4)Sucking root              —      Absorption of moisture from the air

Select the correct answer -

Roots are used in vegetative propagation in

Food storage seen in adventitious root in