Question

Define the following for class10 biology
I. stomata
ii. Hydathode
iii. root hair
iv. phloem
v. centromere​

Answer 1

Answer:

Stomate, also called stoma, plural stomata or stomas, any of the microscopic openings or pores in the epidermis of leaves and young stems.

A hydathode is a pore or opening in the leaf epidermis around which several thin walled parenchyma cells are grouped

Roothair is hairlike outgrowth of an epidermal cell just behind the tip; absorbs nutrients from the soil.

Phloem is the part of a vascular bundle consisting of sieve tubes, companion cells, parenchyma, and fibers and forming the food-conducting tissue of a plant.

Answer 2

1.Stomata: A small opening like a mouth in some lower animals. 2.Hydathode: A modified pore ,especially on a leaf which exudes drops of water. 3.Root Hair: Each of a large number of elongated microscopic outgrowths from the outer layer of cells in a root ,absorbing moisture and nutrients from the soil.