A. fore-and hind-limbs B. no gills C. no fins D. no scales Correct Answer: Option B B. no gills
A. number of organisms B. survival of the fittest C. availability of nutrient supplied D. enlargement of the territory Correct…
A. food supply B. mutation C. predation D. disease Correct Answer: Option B B. mutation
A. nutrition B. movement C. breathing D. growth Correct Answer: Option C C. breathing
A. a body covered with scales B. a streamlined body C. no lungs D. no walking appendages Correct Answer: Option…
A. hydrogen sulphide B. carbon monoxide C. chlorine D. oxygen Correct Answer: Option A A. hydrogen sulphide
A. 40,000 B. 3,000 C. 20 D. 1 Correct Answer: Option C C. 20
A. Temperature B. Sunlight C. Humidity D. Turbidity Correct Answer: Option D D. Turbidity
A. symbiosis B. holophytic C. holozoic D. chemosynthetic Correct Answer: Option B B. holophytic
A. supplying energy B. providing resistance against malaria C. sustaining growth D. maintaining health Correct Answer: Option B B. providing…