Which one of the following is incorrect for Aves?
A Heart is four-chambered and animals are oviparous
B The presence of air cavities in bones and the presence of feathers on the body
С Digestive tract has additional chambers and animals are homeothermal
D The forelimbs are not modified into wings

Which one of the following sets of animals share a four chambered heart ?

Which one of the following sets of animals share a four chambered heart ?

Which one of the following sets of animals share a four chambered heart ?

Which one of the following sets of animals share a four chambered heart?

Which of the following group of animals is homeothermal, has single occipital condyle, 12 pairs of cranial nerves, penumatic bones, and four- chambered heart ?

Which of the following statements will be surely CORRECT about a vertebrate this has a complete four - chambered heart ? I. The animal shows pulmonary respiration II. The animal has left systemic arch (aorta curved to left). IV. The animal can maintain constant body temperature .

Which one of the following statements is correct about the human circulatory system? (A) Blood transports only oxygen and not carbon dioxide. (B) Human heart has five chambers. (C) Valves ensure that the blood does not flow backwards. (D) Both oxygen-rich and oxygen-deficient blood gets mixed in the heart.