TREE MORPHOLOGY AND ANATOMY
ROOT SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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which two are primary roots?
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taproot and lateral root
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taproot and fibrous root
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fibrous root and adventitious root
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lateral root and adventitious root
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Explanation:
Detailed explanation-1: -Primary roots are the early roots in young plants that consist of taproots, basal roots, and lateral roots. Secondary roots are the side branches of the primary roots.
Detailed explanation-2: -1.1 The tap root or primary system. Dicotyledonous plants possess a primary root called the tap root with lateral secondary roots branching out from it and sometimes additional tertiary roots branching from the secondary roots.
Detailed explanation-3: -(A) A typical taproot system of dicots (e.g. Arabidopsis thaliana), consisting of embryonic primary root (PR, red) and branching lateral roots (LRs, brown). Ultimately, the LRs will undergo higher order branching to form secondary and tertiary LRs.
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