Class 12 Biology Zoology | Chapter 1 Reproduction in Organisms | Textbook Evaluation Questions | Q.No 12 (a)

Class 12 Biology Zoology | Chapter 1 Reproduction in Organisms | Textbook Evaluation Questions | Q.No 12 (a) | 12th Bio Zoology | Chapter 1 | QB 12 (a)

QUESTION NO 12 (a) : Differentiate between External and Internal fertilization.

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Answer for obtaining full marks :

Feature	External Fertilization	Internal Fertilization
Location of Fusion	The union of male and female gametes occurs outside the female organism's body, typically in a water medium.	The union of male and female gametes occurs inside the female organism's body.
Examples	Sponges, fishes, and amphibians.	Reptiles, Aves (birds), and mammals.

Answer for Slow Learners :

S.No	External fertilization	Internal fertilization
1	Gametes fuse outside the female's body, usually in water.	Gametes fuse inside the female's body.
2	E.g., Sponges, fishes, amphibians	E.g., Reptiles, Aves, mammals