Question Detail Most highly intelligent mammals are : elephants whales dolphinskangaroos Answer: Option C Similar Questions : 1. Bamboo is classified as BushTreeGrassWeed Answer: Option C 2. Among the biotic components of the ecosystem, the producer system is ? SeaRiversGreen PlantsAnimals Answer: Option C 3. Rubber is obtained from ? cell saplatexgunresin Answer: Option B 4. With which deficiency Xerophthalmia is caused ? Vitamin AVitamin BVitamin CVitamin D Answer: Option A 5. Study of pulse and arterial pressure is called SphygmologyRhinologySonographySaurology Answer: Option AExplanation:Rhinology - is study of nose and olfactory organs. Sonography - is study of ultrasound imaging. Saurology - is study of lizards. Read more from - Biology Questions Answers