Question

Three types of tissue systems namely epidermal, fundamental, & vascular, were proposed by

• A. Hanstein
• B. Buvat
• C. Sachs
• D. Nageli

Answer 1

The correct option is C Sachs

Tissues are the group of cells which works in a coordinated manner to perform a specialized function. Sachs (1875) recognized three types of tissue system in plants

1. Epidermal or dermal tissue system which forms the covering layer.

2. Cortical or fundamental or ground tissue system forms the supporting layer for the developing cells.

3. Vascular tissue layer which undergoes differentiation to form vascular bundles.

Thus, option C is correct.