What happens to an animal cell when it i...

What happens to an animal cell when it is placed ina very dilute external medium? Why?

Text Solution

Verified by Experts

Endosmosis. As the external solution is very dilute or hypotonic, water passes into animal cell due to endosmosis the animal cell continues to swell up for same time put ultimately bursts up.
Reason. Bursting of animal cell with endosmosis is due to absence of rigid cell wall as found in plant cells.

Topper's Solved these Questions

THE FUNDAMENTAL UNIT OF LIFE: CELL
LAKHMIR SINGH & MANJIT KAUR|Exercise QUESTIONS BASSED ON NCERT QUESTION BANK (EXAMPLAR PROBLEMS IN SCIENCE)|1 Videos
NATURAL RESOURCES
LAKHMIR SINGH & MANJIT KAUR|Exercise SHORT ANSWER QUESTIONS|5 Videos
TISSUES
LAKHMIR SINGH & MANJIT KAUR|Exercise Long Answer Questions (Carrying 5 marks each)|1 Videos

What happens to the cell when it is placed in salt solution?

Bursts

Shrinks

Swells

No effect

An animal cell placed in pure water will

Swell up and burst

Shrink and die

Shrink and undergo Plasmolysis

Swell up and develop turgidity

What will happen when pollen grain is placed in water ?

It will germinate and produce a pollen tube

The pollen grain does not germinate

The pollen grain swells up but bursts at places without forming a pollen tube

The pollen grain forms a number of pollen tubes