Stomatal movement is not affected by
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Which of the following is true for nucleolus?
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The stage during which separation of the paired homologous chromosomes begins is
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Plants having little or no secondary growth are
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Secondary xylem and phloem in dicot stem are produced by
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Casparian strips occur in
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Pneumatophores occur in
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Which of the following statements is correct?
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Match the items given in Column I with those in Column II and select the correct option given below:
Column I | Column II |
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a. Herbarium | (i) It is a place having a collection of preserved plants and animals | b. Key | (ii) A list that enumerates methodically all the species found in an area with brief description aiding identification | c. Museum | (iii) Is a place where dried and pressed plant specimens mounted on sheets are kept | d. Catalogue | (iv) A booklet containing a list of characters and their alternates which are helpful in identification of various taxa. |
a b c d
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Oxygen is not produced during photosynthesis by
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