51. In which of the following groups, animals bear no teeth? A. Peacock, ostrich, tortoise B. Owl, loris, crow C. Alligator, turtle, tortoise D. Turtle, kiwi, cow Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
52. Syrinx is the voice box in A. amphibians B. reptiles C. birds D. mammals Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
53. Which of the following structures present in mammalian skin directly helps in keeping the body warm? A. Pigmented cells B. Sweat glands C. Lymph vessels D. Blood capillaries Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
54. The language used in writing the scientific name of animals is A. French B. Latin C. German D. Dutch Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
55. Which one of the following is the tallest bird? A. Peacock B. Penguin C. Ostrich D. Emu Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
56. Taenia solium (tapeworm) lives as a parasite in A. pig B. abdomen of man/woman C. intestine of man/woman D. liver of man/woman Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
57. The tusk of the elephant is an enormously enlarged A. upper incisor B. upper canine C. lower canine D. lower incisor Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
58. Which is the only mammal that can fly? A. Whale B. Bat C. Hen D. Lizard Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
59. Among the following sets of salient features, which set does not exclusively characterise mammals? A. Presence of sweat glands, hairs on skin and diphyodonts B. Presence of mammary glands, sweat glands and diaphragm C. Absence of mammary glands, sweat glands and diaphragm D. Presence of mammary glands, hairs on skin and diaphragm Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
60. Animals in which the cells are arranged in three embryonic layers are called A. diploblastic B. ectoderm C. triploblastic D. endoderm Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
