In roots, the Protoxylem lies toward __________ and Metaxylem lies toward the _______ respectively.

1.	Periphery, centre	2.	Centre, periphery
3.	Above, below	4.	Below, above

Phloem in angiosperm is composed of

1. a,b,c,d
2. b,c,d,e
3. c,d,e,f
4. None

Phloem of gymnosperm consist of

Function of sieve tubes are controlled by

Resin, latex and mucilage are found in

Phloem parenchyma is absent in most of the
1. Dicotyledons
2. Monocotyledon
3. Desert plants
4. None of the above

Phloem fibres are made up of

Epidermis in plant is generally

Epidermal cells are parenchymatous with __________ amount of cytoplasm lining, the cell wall and _______ vacuole.

A waxy thick layer which prevent water loss is