How does a cell rid itself of defective or malfunctioning organelles ?

How does a bat adapt itself to its habitat?

How does a plant protect itself from herbivorous animals?

What are cell organelles ?

(a) How does the current divide itself in a parallel combination of resistors ? (b) How does the pd divide itself in a series combination of resistors ?

How does metal deficiency defect arise ? Explain.

How does a submarine immerse itself in sea?

How does the human body protect itself from infection?

How does Frankel defect arise? Give example.