Question

Ringing/Girdling experiment was first performed by?
(a)Malpighi
(b)Strasburger
(c)Godlewski
(d)Bose

Answer 1

Hint: He is an Italian botanist and referred to as the "Founder of microscopic anatomy, histology, and the Father of embryology and physiology".

Complete answer:
The Girdling/Ringing experiment was performed by 'Malpighi' in 1672, 'Stephen Hales' in 1727, and ‘Hartig' in 1837.
-The Girdling/ Ringing experiment involves the removal of all the tissue outside to vascular cambium (bark, cortex, and phloem) in woody stems except for xylem. Xylem is the only remaining tissue in the girdled area which connects the upper and lower part of the plant. This setup is placed in a beaker of water. After some time, it is observed that swelling on the upper part of the ring appears as a result of the accumulation of food material. In subsequent days, the roots die first. The roots cannot synthesize their food by photosynthesis and so they die first as their food supply is lost due to cutting of phloem.
-Eduard Adolf Strasburger (1844- 1912) was a Polish-German professor and one of the most famous botanists of the 19th century. He studied angiosperms in detail.
-Jagadish Chandra Bose (1858-1937) an Indian scientist made huge contributions to many areas of science. He is widely known for inventing the crescograph.
So, the correct answer is ‘Malpighi'.

Note: -The girdling experiment proved that the Phloem is responsible for the conduction of food in plants.
-The passage of absorbed water along with the dissolved minerals through xylem (tracheid and vessel) is known as the Ascent of sap. It takes place at a rate of 10-75 cm/sec.
-After girdling, gradually the whole plant dies as the supply of food stops.