A few millimetres above the root cap is the region of ______ activity.
2 of 15
______ they are all characterised by the presence of roots, stems, leaves & fruits
3 of 15
In majority of dicotyledonous, the direct elongation of the ______ leads to formation of primary roots who b grows inside the soil .
4 of 15
______ roots bears lateral appendages are referred as secondary, tertiary etc. roots. The primary roots & it's branches constitute the ______ system .As seen in ______ .
5 of 15
In monocotyledonous plant, ______ is shorts lived & replaced by a large number of roots. These roots originate from ______ & constitute the fibrous roots systems. As seen in ______ .
6 of 15
In some plants like ______, ______ & the Banyan tree, roots arise from parts of the plants other than radicle & are called ______ .
7 of 15
The main functions of the roots systems are absorption of water, & minerals from the soil, providing a proper ______ to the plants part, storing reserve food material & synthesis of ______
8 of 15
The Root is covered by a thimble-like structure called the ______ . It protects the tender apex of the roots as it makes its way through the soil.
9 of 15
The cells of meristematic region are very small, thin-walled & with ______ . They divide repeatedly.
10 of 15
The cell proximal to meristematic region undergo rapid ______ & ______ & are responsible for growth of the roots in length .this region is called region of elongation .
11 of 15
The cells of the elongation zone gradually differentiate & ______ . Hence, this zone, proximal to region of elongation is called the zone of maturation .
12 of 15
From region of maturation some of ______ cells form very fine & delicate, thread-like structure called root hairs. These root hairs absorb water & minerals from the soil.
13 of 15
Roots in some plants change their ______ & ______ & become modified to perform functions other than absorption & conduction of water & minerals.
14 of 15
They are modified for support, ______ & respiration .
15 of 15
Tao roots of carrot, ______ & Adventitious roots of ______ get swollen & store food .
Mediquiz