Definitions / Explanation :
$(i)$ Conjoint vascular bundles
$(ii)$ Secondary growth
Definitions / Explanation :
$(i)$ Conjoint vascular bundles
$(ii)$ Secondary growth
$(i)$ The vascular bundle in which xylem tissue and phloem tissue are arranged together, such a vascular bundle is called conjoint vascular bundle.
$(ii)$ In most of the dicot plants, after completion of primary growth due to formation of secondary tissue, the increase in girth is called secondary growth.
Similar Questions
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?
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?
Assertion : In collateral vascular bundles, phloem is situated towards inner side.
Reason : In monocot stem, cambium is present
Assertion : In collateral vascular bundles, phloem is situated towards inner side.
Reason : In monocot stem, cambium is present
- [AIIMS 2000]
Pericycle of the roots is never sclerenchymatous because it
Pericycle of the roots is never sclerenchymatous because it
Sclerenchyma usually_______ and ________ protoplasts.
Sclerenchyma usually_______ and ________ protoplasts.
- [AIIMS 2014]
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
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 |