MCQ
Pigment system-$II$ is concerned with
- ✓Photolysis of water
- BReduction of $CO_2$
- CFlowering
- DNone of the above
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Statement $I:$ Endarch and exarch are the terms often used for describing the position of secondary xylem in the plant body.
Statement $II:$ Exarch condition is the most common feature of the root system.
In the light of the above statements, choose the correct answer from the options given below: