Question

In oogamy, fertilization involves

• A. a small non-motile female gamete and a large motile male gamete
• B. a large non-motile female gamete and a small motile male gamete
• C. a large non-motile female gamete and a small non-motile male gamete
• D. a large motile female gamete and a small non-motile male gamete

Answer 1

Answer: (B)

In oogamous type of sexual reproduction, the female gamete (ovum/egg) is big, passive while male gametes (spermatozoids) are smaller, active and motile.