Define isogamy.

Distinguish between isogamy and oogamy.

Distinguish between Isogamy and Anisogamy. What is Zoospore?

Explain briefly the following terms with suitable examples : isogamy.

Assertion: Isogamy is a primitive type of sexual reproduction. Reason: The gametes are of diferent sizes.

(a) Define mineral. (b) Define Ore.

Define the unit of resistance ? (or) Define one ohm.

Define radius of gyration. What is the purpose of defining it ?