Question

Root hair will absorb water when external solution is ________.
a) Viscous
b) Isotonic
c) Hypertonic
d) Hypotonic

Answer 1

Root hair will absorb water when external solution is ________.

a) Viscous

b) Isotonic

c) Hypertonic

d) Hypotonic

Answer=> option(c) HYPERTONIC

ROOT HAIR WILL ABSORB WATER WHEN EXTERNAL SOLUTION IS HYPERTONIC

Answer 2

Hey Anoushka,

◆ Answer - (d) Hypotonic

Root hair will absorb water when external solution is hypotonic.

◆ Types of solution -

By comparing the conc of solute with each other, solutions can be classified as isotonic, hypotonic & hypertonic.

1) Isotonic solution -

• When a living plant cell is placed in isotonic soln, no movement of water occurs.

2) Hypotonic solution -

• When a living plant cell is placed in hypotonic soln, water moves from outside to inside.

3) Hypertonic solution -

• When a living plant cell is placed in hypertonic soln, water moves from inside to outside.

Thanks for asking..