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Anatomy of Flow...

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  • Question 1
    1 / -0

    Which plant part possesses polyarch condition of vascular bundles with a well developed pith?

  • Question 2
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    A diagram of T.S. of dicot root is given. Select the option which correctly labels A,B,C,D and E.

  • Question 3
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    Casparian strips are the bands of thickenings present on _____ walls of endodermis.

  • Question 4
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    Select the correct option:

    Identify the types of vascular bundle in the figures (i) and (ii) and select the correct option.
    (A) Conjoint collateral - Conjoint bicollateral
    (B) Conjoint bicollateral - Conjoint collateral
    (C) Conjoint collateral closed -  Conjoint collateral open
    (D) Conjoint collateral open -Conjoint collateral closed

  • Question 5
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    Vascular cambium and cork cambium are ______________.

  • Question 6
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    Following table summarises the differences between a monocot root and a dicot root.
    CharactersMonocot rootDicot root
    (i)Vascular bundlePolyarch i.e., more than $$6$$ vascular bundlesDiarch to hexarch i.e., $$2-6$$ vascular bundles
    (ii)CambiumAbsentPresent, so secondary growth occurs
    (iii)PithPoorly developedWell developed large pith
    (iv)Activity of pericycleGives rise to secondary roots and cork cambiumGives rise to lateral roots only
    Identify the incorrect differences and select the correct option.

  • Question 7
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    Read the following statements :
    (i). In monocot root, a large number of vascular bundles are arranged in the form of a ______ around the central _______
    (ii). Due to the presence of ______, the endodermal cells do not allow wall to wall movement of substances between cortex and pericycle, in a primary dicot root.
    (iii). The epidermis of stem of sunflower bears several unbranched _______ hair.
    (iv). The central portion of a dicot stem is usually occupied by ______ comprising of thin-walled parenchymatous cells
    Select the option that correctly fills the blanks in any two of them.

  • Question 8
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    Hypodermis is _______ in sunflower stem and _________ in maize stem.

  • Question 9
    1 / -0

    Select the incorrect statement regarding the anatomy of a typical monocotyledonous stem

  • Question 10
    1 / -0

    Select the mismatched pair.

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