71. 'Pigeon milk' is produced by A. crops B. birds C. mammals D. All of these 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
72. Blubber is A. a milky secretion of rubber plant B. a layer of thick fat C. a device to trap insects by some aquatic D. fungal infection of rice plants 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
73. Tiny marine animals which constitute limestone skeletons are called A. Foraminifera B. Coral reefs C. Diatoms D. Calamitous 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
74. In which vertebrate oxygenated and deoxygenated blood gets mixed? A. Fish B. Amphibian C. Bird D. Mammal 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
75. The commonest mammal is A. elephant B. lion C. man (Homo sapiens) D. panther 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
76. To which of the following classes do parrots belong? A. Mammalia B. Reptilia C. Aves D. Amphibia 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
77. An ant can see the objects all around it due to the presence of A. eyes over the head B. well-developed eyes C. compound eyes D. simple eyes 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
78. Columba livia is the scientific name of A. pigeon B. snake C. rabbit D. shark 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
79. Which of the following animals has a clitellum? A. Millipede B. Centipede C. Earthworm D. Ringworm 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
80. The example of hermaphrodite animal in which cross-fertilisation occurs is A. Hydra B. Ascaris C. earthworm D. silkworm 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
