Differentiate between symmetrical and unsymmetircal ethers giving one example of each.

Differentiate between saturated and unsaturated hydrocarbons giving one example each .

Differentiate between parasitism and competitions giving one example of each. State the common character they share.

Differentiate between tropic and nastic movements in plants . Give one example of each.

Differentiate between periodic and non-periodic motions by giving an example of each.

Differentiate between albuminous and non-albuminous seeds, giving one example of each.

Differentiate between scalar and vector quantities, giving two examples of each.

What is the meaning of 'Collision' in physics ? Differentiate between elastic and inelastic collision. Give one example each.

Differentiate between disinfectants and antiseptics. Give one example of each group.

QUESTIONS FROM CBSE BOARD EXAMINATIONS : Differentiate between monoecious and dioecious plants. Give one example of each.