MCQ
Choose the correct labelling for given figure


- ✓$D$-Saturation point, $E$-Maximum photosynthesis
- B$A$-Achieved at high light intensity
- C$D$-$10\%$ of total sunlight, $E$-Compensation point
- D$A$-Light saturation at $10 \%$ of total sunlight


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Identify the correct examples of figures $A, B$ and $C$
$(1)$ Frog is a poikilotherm.
$(2)$ Frog does not have any coronary circulation.
$(3)$ Heart is “myogenic” in nature.
$(4)$ Heart is autoexcitable.