Absorption by roots

Root hairs are

• Unicellular

• Multicellular

• Uniceluler

• Multicelular

Root hair has

• Only cell wall

• Only cell membrane

• Both cell wall and cell membrane

• none of the above

If you see the leaves of grass in early morning, you would notice tiny droplets on the tip of grass leaves. This is called____, which is a result of root pressure.

• transpiration

• guttation

• Photosynthesis

• Cellular respiration

An equivalent of a plasmolysed cell is a

• lysed animal cell

• shrivelled animal cell

Which among the following is not needed for mineral absorption in plants?

• Phloem

• Xylem

____ causes plasmolysis

• diffusion

• exosmosis

Root hairs are the extensions of root ____ cells.

• cortex

• Epidermal

____ in the roots is chiefly responsible for forcing water from soil to the roots and then into the plant body.

• Gravitational force

• Root pressure

• Root gradient

• Transpirational force

Absorption of water by the plant cells by surface attraction is called:

• Imbibition

• Imbibitino

• Endosmosis

A plant cell placed in a certain solution got plasmolysed. What was the kind of solution?

• Hypertonic salt solution

• Hypotonic salt solution