STANDARDZoology-Circulatory System
STANDARD Zoology Frog Circulatory System MCQ Question
Type: MCQ-conceptual-Medium
Fill up the blanks in the following paragraph by selecting the correct option. The vascular system of frog is well-developed (i) type. The blood vascular system involves heart, blood vessels and blood. Heart has 3 chambers, two atria and one ventricle and is covered by a membrane called (ii). A triangular structure called (iii) joins the right atrium.
A
(i) open (ii) conus arterious (iii) neurilemma
B
(i) closed (ii) sinus venosus (iii) pericardium
C
(i) open (ii) neurilemma (iii) conus arterious
D
(i) closed (ii) pericardium (iii) sinus venosus
Correct Answer
Option D
Detailed Explanation
The frog's vascular system is a closed type. The heart is covered by the pericardium, and the sinus venosus is a structure that joins the right atrium.
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