The following are the branches of dorsal aorta.
I. Intercostal II. Phrenic III. Coeliac IV. Anterior V. Posterior mesenteric
Of these, which set of arteries supply the blood to the glands of digestive system?

From the given set of statement,identify the correct ones. I. Rediae, cercaria, miracidium and bipinnaria are the larval stages of flatworms. II. Mehlis' gland in tapeworm is associated with reproduction III. Cestodes are distinguished from other flatworm by the absence of digestive system IV. Pseudocolom is primary coelum derived from blastocoel of the embryo and occurs in Taenia.

Which of the following secondary metabolites belong to the group drugs I. Morphine " " II. Curcumin III. Codeine " " IV. Vinblastine V. Abrin (a) I and II (b) I and V (c) II and IV (d) I and III

Flame cells of flatwoims help in:I. osmoregulation,II. Digestion,III. Reproduction,IV. Excretion,V. bioluminescence.

Read the following statements carefully (i) In fishes, the heart pumps out deoxygenated blood which is oxygenated by the gills and supplied to the body part from where deoxygenated blood is returned to the heart (ii) The openings of the right and the left ventricles into pulmonary artery and aorta respectively are provided with the mitral valves (iii) The nodal musculature has the ability to generate action potential without any external stimuli, i,e., it is autoexcitable (iv) The T-wave of ECG represent depolarisation of the ventricles. Which of the above two statements are incorrect ?

Read the following statements carefully (i) In fishes, the heart pumps out deoxygenated blood which is oxygenated by the gills and supplied to the body parts from where deoxygenated blood is returned to the heart. (ii) The openings of the right and the left ventricle into pulmonary artery and aorta respectively are provided with the mitral valves. (iii) The nodal musculature has the ability to generate action potential without any external stimuli, i,e., it is autoexcitable. (iv) The T-wave of ECG represents depolarisation of the ventricles. Which of the above four statements are incorrect?

Which of the following is true about mammalian placenta? I. It acts as endocrine gland. II. It secretes relaxin hormone which faciliates parturition. III. It secretes chorionic gonadotrophin. IV. It hepls in mixing of foetal and maternal blood.