Direct elongation of the radicle leads t...

Direct elongation of the radicle leads to the formation of_____root.

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Assertion (A) : Nitration of chlorobenzene leads to the formation of m-nitrochlorobenzene. Reason (R ) : - NO_(2) group is a m-directing group.

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Assertion and reason both are correct and reason is correct explanation of assertion.

B

Assertion and reason both are wrong statements.

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D

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A

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B

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C

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D

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Assertion (A) : The carbonate of lithium decomposes easily on heating to form lithium oxide and CO_(2) Reason (R) : Lithium being very small in size polarises large carbonate ion leading to the formation of more stable Li_(2)O and CO_(2) .

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Both A and R are correct and R is the correct explanation of A.

B

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ALLEN -MORPHOLOGY OF FLOWERING PLANTS -EXERCISE

Direct elongation of the radicle leads to the formation ofroot.
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lateral roots includes (a) and (b) roots
01:45
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Primary roots and its branches contitute
01:28
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When the primary root in short lived and replaced by large number of t...
02:43
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Fibrous roots originate from
01:59
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Roots developed from parts of the plant other than radicle are called
01:42
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The root is covered at the apex by thimble like structure called
01:38
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The region of meristematic activity is situated few millimeters above ...
03:08
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Which region of the root have very small cells, thin walled and with d...
02:56
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Region of elongation is present (a) to the region of meristem. And reg...
04:13
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Stilt roots arise from
02:46
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Thick roots hanging down from Banyan tree are
02:52
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Pneumatophores are useful in
02:23
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Shoot develops from the (a) of the embryo
02:32
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Stem is generally (a) when young and later often becomes woody and dar...
02:24
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Which type of sub-aerial modification occur in jasmine.
02:10
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Recognise a,b,c, and d.
03:51
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leaf develops at the (a) and bears a (b) in its axil.
02:54
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The axillary bud later develops into a
01:45
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The leaves are arranged in manner on stem.
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