The classes a)of steroids differ b)to one another c)only in the additional atoms attached d)to their central structure.

The classes a)of steroids differ b)to one another c)only in the additional atoms attached d)to their central structure.

A a) of

B b) to

C c) only

D d) to

Solution

Correct Answer: Option B

Solution:

Differ এরপরে Appropriate preposition হিসেবে to না বসে From ব্যবহৃত হয় । তাই

সঠিক উত্তর b).