61. Which of the following are warm-blooded animals? A. Whales B. Whale sharks C. Alytes D. Draco 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
62. Which of the following phylum are also called flatworms? A. Mollusca B. Chordata C. Ctenophora D. Platyhelminthes 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
63. Which part becomes modified as the tusk of elephant? A. Canine B. Premolar C. Second incisor D. Molar 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
64. Of the following birds, which one lays the largest egg? A. Emu B. Kiwi C. Flamingo D. Ostrich 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
65. An invertebrate does not have A. notochord B. body cavity C. haemocoel D. gills 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
66. Which phenomenon do bats or dolphins use to find prey, predators or obstacles? A. Refraction of sound B. Formation of beats C. Scattering of sound D. Echolocation 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
67. Male mosquitoes take their food from A. the human blood B. the standing water C. the sap of plants D. the dung and other debris 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
68. Which of the following is an egg laying mammal? A. Bat B. Leafy anteater C. Whale D. Spiny anteater 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
69. The largest invertebrate is a/an A. sponge B. mollusc C. arthropod D. echinoderm 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
70. Which one of the following set belongs to the class-Mammalia? A. Lion, Hippopotamus, penguin, bat B. Lion, bat, whale, ostrich C. Hippopotamus, penguin, whale, kangaroo D. Whale, bat, kangaroo, Hippopotamus 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
