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Fertilisation and Development in various classes Method and Pattern A. Cyclostomata 1. Internal fertilisation with some being viviparous B. Chondrichthyes 2. External fertilisation, mostly oviparous C. Osteichthyes (Marine) 3. External fertilisation, mostly oviparous D. Amphibia 4. External fertilisation, oviparous, indirect development

Options

  1. AA - 3, B - 1, C - 2, D - 4
  2. BA - 2, B - 1, C - 3, D - 4
  3. CA - 1, B - 1, C - 2, D - 4
  4. DA - 2, B - 3, C - 4, D - 1

Correct answer

B. A - 2, B - 1, C - 3, D - 4

Step-by-step solution

Cyclostomata and Chondrichthyes have internal fertilisation with some being viviparous. Marine Osteichthyes have external fertilisation and are mostly oviparous. Amphibia have external fertilisation, are oviparous, and development is indirect

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