Question:
Match the following:
List-I
A. Open type
B. Single circulation
C. Incomplete double circulation
D. Double circulation
List-II
I. Pisces
II. Mammals
III. Parazoans
IV. Amphibians
V. Echinoderms
Match the following:
List-I
A. Open type
B. Single circulation
C. Incomplete double circulation
D. Double circulation
List-II
I. Pisces
II. Mammals
III. Parazoans
IV. Amphibians
V. Echinoderms
Show Hint
Pisces show single circulation, amphibians show incomplete double circulation, and mammals show complete double circulation through a four-chambered heart.
Updated On: Jun 13, 2026
- A-V, B-III, C-IV, D-II
- A-II, B-IV, C-I, D-V
- A-II, B-I, C-IV, D-V
- A-V, B-I, C-IV, D-II
Show Solution
Verified By Collegedunia
The Correct Option is D
Solution and Explanation
Concept:
Animals show different patterns of circulation depending upon the complexity of their cardiovascular system.
Step 1: Match Open Type Circulation. Open circulatory system is present in several invertebrates. Among the given options, Echinoderms are associated with open-type circulation. \[ A \rightarrow V \]
Step 2: Match Single Circulation. Fishes (Pisces) possess a two-chambered heart. Blood passes through the heart only once during one complete circulation. \[ B \rightarrow I \]
Step 3: Match Incomplete Double Circulation. Amphibians possess a three-chambered heart. Mixing of oxygenated and deoxygenated blood occurs. Therefore they show incomplete double circulation. \[ C \rightarrow IV \]
Step 4: Match Double Circulation. Mammals possess a four-chambered heart. Complete separation of oxygenated and deoxygenated blood occurs. Thus mammals show complete double circulation. \[ D \rightarrow II \]
Step 5: Final matching. \[ A-V,\quad B-I,\quad C-IV,\quad D-II \] Hence option (D) is correct.
Step 1: Match Open Type Circulation. Open circulatory system is present in several invertebrates. Among the given options, Echinoderms are associated with open-type circulation. \[ A \rightarrow V \]
Step 2: Match Single Circulation. Fishes (Pisces) possess a two-chambered heart. Blood passes through the heart only once during one complete circulation. \[ B \rightarrow I \]
Step 3: Match Incomplete Double Circulation. Amphibians possess a three-chambered heart. Mixing of oxygenated and deoxygenated blood occurs. Therefore they show incomplete double circulation. \[ C \rightarrow IV \]
Step 4: Match Double Circulation. Mammals possess a four-chambered heart. Complete separation of oxygenated and deoxygenated blood occurs. Thus mammals show complete double circulation. \[ D \rightarrow II \]
Step 5: Final matching. \[ A-V,\quad B-I,\quad C-IV,\quad D-II \] Hence option (D) is correct.
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