Answer :

1. Osmosis helps fresh water unicellular organisms (Amoeba) to gain water in their bodies. 2. Contractile vacuole helps in osmoregulation. It throws out excess of water from their bodies.

(b) (i) Absorption of water by the plant root hairs occurs due to osmosis.


(ii) In plants, cells, tissues and soft organs such as leaves, buds, young shoots, flowers, fruits maintain turgidity due to osmotic absorption of water.


Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
caricature
view all courses
RELATED QUESTIONS :

Why does the skinDr. P.S. Verma & Dr. V.K. Agarwal - Biology

How are chromatinDr. P.S. Verma & Dr. V.K. Agarwal - Biology

Name two factors Dr. P.S. Verma & Dr. V.K. Agarwal - Biology

What is endosmosiDr. P.S. Verma & Dr. V.K. Agarwal - Biology

Plasma membrane iDr. P.S. Verma & Dr. V.K. Agarwal - Biology

What is exosmosisDr. P.S. Verma & Dr. V.K. Agarwal - Biology