For a critical study of secondary growth in plants, which one of the following pairs is

suitable:

1. Sugarcane and sunflower

2. Teak and pine

3. Deodar and fern

4. Wheat and maiden hair fern

In a dicotyledonous stem, the sequence of tissues from the outside to the inside is

(1) phellem – pericycle – endodermis – phloem

(2) phellem – phloem – endodermis – pericycle

(3) phellem – endodermis – pericycle – phloem

(4) pericycle – phellem – endodermis – phloem

A conjoint and open vascular bundle will be observed in the transverse section of

The cortex of dicot stem has been divided into

In dicot stem hypodermis is made up of___________cells while general cortex is made up of_______________.

Which of the following is referred to as the ‘starch sheath’

In between the vascular bundles, radially placed parenchymatous cells constitute

The Ring arrangement of vascular bundle is characteristic of

The type of vascular bundle in dicot stem is -

Pith is made up of ___________cells and _____________spaces are present between them.