Assertion : Higher plants have meristematic regions for indefinite growth. Reason : Higher plants ha

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6.Anatomy of Flowering Plants

medium

Assertion : Higher plants have meristematic regions for indefinite growth.
Reason : Higher plants have root and shoot apices.

If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.

If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.

If the Assertion is correct but Reason is incorrect.

If both the Assertion and Reason are incorrect.

(AIIMS-1999)

Solution

The root apex and shoot apex are meristematic in nature. These meristematic tissues are embryonic in origin. They are primary in origin because it develops from embryonic tissues and primary in function because they form the primary structure of the plant cell, the root apex and shoot apex, that live till the death of the whole plant. Hence, plants have the feature of indefinite growth

Standard 11

Biology

What is the difference between lenticels and stomata ?

easy

Match the following

Column $-I$ Column $-II$

$(a)$ Dicot leaf $(p)$ Polyarch

$(b)$ Dicot stem $(q)$ Pallisade and spongy mesophy $II$

$(c)$ Monocot root $(r)$ Endarch

$(d)$ Monocot leaf $(s)$ Bulli form Cell

medium

Assertion : In collateral vascular bundles, phloem is situated towards inner side.
Reason : In monocot stem, cambium is present

medium

(AIIMS-2000)

Distinguish between the following : Interfascicular cambium and intrafascicular cambium

medium

The transverse section of a plant material shows the following anatomical features, $(a)$ the vascular bundles are conjoint, scattered and surrounded by clerenchymatous undle sheaths $(b)$ phloem parenchyma is absent. What will you identify it as?

easy

Column $-I$	Column $-II$
$(a)$ Dicot leaf	$(p)$ Polyarch
$(b)$ Dicot stem	$(q)$ Pallisade and spongy mesophy $II$
$(c)$ Monocot root	$(r)$ Endarch
$(d)$ Monocot leaf	$(s)$ Bulli form Cell

Assertion : Higher plants have meristematic regions for indefinite growth. Reason : Higher plants have root and shoot apices.

Solution

Similar Questions

What is the difference between lenticels and stomata ?

Match the following Column $-I$ Column $-II$ $(a)$ Dicot leaf $(p)$ Polyarch $(b)$ Dicot stem $(q)$ Pallisade and spongy mesophy $II$ $(c)$ Monocot root $(r)$ Endarch $(d)$ Monocot leaf $(s)$ Bulli form Cell

Assertion : In collateral vascular bundles, phloem is situated towards inner side. Reason : In monocot stem, cambium is present

Distinguish between the following : Interfascicular cambium and intrafascicular cambium

The transverse section of a plant material shows the following anatomical features, $(a)$ the vascular bundles are conjoint, scattered and surrounded by clerenchymatous undle sheaths $(b)$ phloem parenchyma is absent. What will you identify it as?

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Assertion : Higher plants have meristematic regions for indefinite growth.
Reason : Higher plants have root and shoot apices.

Match the following

Column $-I$ Column $-II$

$(a)$ Dicot leaf $(p)$ Polyarch

$(b)$ Dicot stem $(q)$ Pallisade and spongy mesophy $II$

$(c)$ Monocot root $(r)$ Endarch

$(d)$ Monocot leaf $(s)$ Bulli form Cell

Assertion : In collateral vascular bundles, phloem is situated towards inner side.
Reason : In monocot stem, cambium is present