AIIMS 2019 Botany Fertilization MCQ Question

Option D is correct because all the provided options contain inaccuracies regarding the fertilization methods of the organisms mentioned. Frogs (A) typically exhibit external fertilization, where eggs are laid in water (H₂O) and fertilized by sperm outside the female's body. Birds (B) also utilize internal fertilization, laying fertilized eggs in nests, while Balaenoptera (C), a genus of baleen whales, is known for internal fertilization, where the male fertilizes the female internally before she gives birth to live young. Understanding these reproductive strategies is crucial for studying the diversity of life cycles in different animal taxa.