MCQ
Primary root and its branches constitute
- AAdventitious root system
- ✓Tap root system
- CFibrous roots
- DSeminal roots
forms the dominant central axis or tap root that bears root branches of various denominations.
Various parts of the tap root system are primary root, secondary roots, tertiary roots and root lets.
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$(i)$ All living organisms have ability to respond the environment stimuli which could be physical, chemical or biological.
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$(iii)$ Photoperiod affects the process of reproduction.
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