WorksheetsAnatomy of Flowering Plants - Quiz 6
Total questions: 10
Worksheet time: 3mins
Which of the following statements is incorrect for secondary meristem?
They regenerate the parts of grasses damaged by grazers
They are cylindrical meristems
They occur in mature regions of root and shoot
They appear later than primary meristems in the life of a plant
All of the following statements are correct for cells of parenchyma, except
They are generally isodiametric
They have lignified cell walls
They may be spherical, oval, polygonal or elongated in shape
They are the mature cells
Xylem fibres posses obliterated central lumen due to very thick walls. This helps to perform the function of
Conduction
Storage of food
Mechanical support
Both (a) & (b)
Which of the following component of phloem is made up of sclerenchymatous cells?
Phloem fibre
Sieve tube
Companion cells
Phloem parenchyma
Components of phloem which is absent in most of the monocots is
Phloem parenchyma
Sieve pores
Sieve tube
Companion cell
Thickening material present in the wall of collenchyma is
Pectin, cellulose, hemicelluloses
Lignin, cellulose, hemicelluloses
Hemicellulose, suberin, cellulose
Suberin, pectin, cellulose
Which of the following helps in maintaining the pressure gradient in the sieve tubes?
Phloem parenchyma
Bast fibre
Companion cell
Wood fibre
Cuticle is absent in
Monocot leaf epidermis
Dicot leaf epidermis
Stem epidermis
Root epidermis
Dicot root is similar in all the given characters to monocot root, except
Radial, exarch vascular bundles
Unicelled root hairs
Pericycle forms the lateral roots
Well developed pith
All of the following statements are incorrect for guard cells, except
They are bean-shaped in grasses
Non green cells
They do not enclose a stomatal pore
Their outer walls are thin and inner walls are thick
