Radial symmetry is found in the flowers of?

1. Brassica

2. Trifolium

3. Pisum

4. Cassia

Free-central placentation is found in?

Cortex is the region found between?

1. epidermis and stele

2. pericycle and endodermis

3. endodermis and pith

4. endodermis and vascular bundle

The balloon-shaped structures called tyloses:

1. originate in the lumen of vessels

2. characterise the sapwood

3. are extensions of xylem parenchyma cells into vessels

4. are linked to the ascent of sap through xylem vessels

A non-proteinaceous enzyme is:

Select the mismatch:

Select the wrong statement:

A cell organelle containing hydrolytic enzyme is:

1. lysosome

2. microsome

3. ribosome

4. mesosome

During cell growth, DNA synthesis takes place in: