271788
A monocot root is characterized by vascular bundles that are closed as well as
1 endarch, collateral and tri-to pentarch
2 exarch, polyarch and radial
3 endarch, polyarch and radial
4 collateral, exarch and polyarch
Explanation:
Exp:B The vascular bundles are radial, the xylem and phloem strands are equal in number and arranged alternately the bundles are more than six (i.e polyarch condition) the xylem is exarch. The proto xylem poles are found towards pheriphery and meta xylem towards centre. The vessels of proto xylem are narrow and possessing annular and spiral thickness where as the vessels of meta xylem broad and possessing reticulate and pitted thickness or their walls.
AMU-1997
Anatomy of Flowering Plants
271791
Identify the plant parts whose transverse sections show a clear and prominent pith.
1 Dicot root and monocot root
2 Dicot stem and dicot root
3 Dicot stem and monocot stem
4 Dicot stem and monocot root
Explanation:
Exp:D Dicot stem and monocot roots transverse sections show a clear and prominent pith. Pith is a tissue in the stems of vascular plants. It is made of delicate, springy parenchyma cells. It is made up of thin walled colourless parenchymatous cells with lot of intercellular space.
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Anatomy of Flowering Plants
271788
A monocot root is characterized by vascular bundles that are closed as well as
1 endarch, collateral and tri-to pentarch
2 exarch, polyarch and radial
3 endarch, polyarch and radial
4 collateral, exarch and polyarch
Explanation:
Exp:B The vascular bundles are radial, the xylem and phloem strands are equal in number and arranged alternately the bundles are more than six (i.e polyarch condition) the xylem is exarch. The proto xylem poles are found towards pheriphery and meta xylem towards centre. The vessels of proto xylem are narrow and possessing annular and spiral thickness where as the vessels of meta xylem broad and possessing reticulate and pitted thickness or their walls.
AMU-1997
Anatomy of Flowering Plants
271791
Identify the plant parts whose transverse sections show a clear and prominent pith.
1 Dicot root and monocot root
2 Dicot stem and dicot root
3 Dicot stem and monocot stem
4 Dicot stem and monocot root
Explanation:
Exp:D Dicot stem and monocot roots transverse sections show a clear and prominent pith. Pith is a tissue in the stems of vascular plants. It is made of delicate, springy parenchyma cells. It is made up of thin walled colourless parenchymatous cells with lot of intercellular space.