Biology - Single MCQs (Page 177)

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Q1761. In roots the lateral root originates from?...Q1762. Which one of the following is an internal secretory structure ?...Q1763. Companion cell is?...Q1764. The tissue in roots which acts as check dam against water is?...Q1765. Phelloderm is formed of?...Q1766. Companion cell regulates the activities of?...Q1767. Growth rings are produced due to activity of?...Q1768. Root has always?...Q1769. What is the0 normal appereance of stone cells ?...Q1770. The ends of tracheids are?...