Biology
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Question
Oogamous means
- Fusion between female and male gametes. Both are similar in size
- Fusion between one large female gamete and a smaller non-motile male gamete
- Fusion between one large female gamete and a smaller motile male gamete
- Fusion between one smaller female gamete and a large motile male gamete
The correct answer is: Fusion between one large female gamete and a smaller motile male gamete
Fusion of a large non-motile egg or ovum with a smaller motile sperm (except in Rhodophyceae). The gametes differ morphologically as well as physiologically and are called oogametes. The fusion of gametes is called oogamy, 
., Chlamydomonas, Fucus, Chara and Volvox
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