Previous Year NEET Question- Animal Kingdom

Answer: A Wings of insects and birds are homologous structures. They are used for flying. Thorns of Bougainvillea and tendrils of Cucumber are both modified stems and are used to climb. Flipper of penguins and wings of birds are both modified forelimbs and are used for swimming.

Answer: D Wisdom tooth is a vestigial organ. It is not used to chew food. Nictitating membrane, coccyx and ear muscles are all vestigial organs.

Answer: B Explanation: Vivipary is a characteristic feature of mammals. Mammals are born live.

Answer: B Explanation: External fertilization is not a characteristic feature of amphibians. Amphibians typically undergo external fertilization.

Answer: C Tapeworms are acoelomate. Flatworms are acoelomate. Earthworms are coelomate. Birds are oviparous.