Question

Match the columns.

Column I (Scientists)		Column II (Discoveries)
A	Stephan Hales	1	Importance of light and chlorophyll
B	Ingen Housz	2	Presence of chlorophyll in plants
C	Von Mohl	3	Product of photosynthesis is starch
D	Sach	4	Air and light control plant growth

• A. A-4 B-1 C-2 D-3
• B. A-3 B-2 C-1 D-4
• C. A-2 B-3 C-4 D-1
• D. A-4 B-3 C-2 D-1

Answer 1

Answer: (A)

Stephan Hales first mentioned that air and light are the factors which control growth. Ingen Housz was first to recognize the importance of light and chlorophyll. Von Mohl was first to describe the presence of chloroplast in plant tissue. Sach stated that the product of photosynthesis is starch.