Question

Match the columns and select the correct option.

	Column I		Column II
a.	Calcium	(i)	Required for formation of chlorophyll
b.	Boron	(ii)	Found in middle lamella
c.	Molybdenum	(iii)	Uptake and utilisation of Ca${}^{++}$
d.	Iron	(iv)	Component of nitrogenase

• A. a(ii), b(iii), c(iv), d(i)
• B. a(iv), b(ii), c(iii), d(i)
• C. a(iii), b(iv), c(ii), d(i)
• D. a(i), b(ii), c(iv), d(iii)

Answer 1

The correct option is A a(ii), b(iii), c(iv), d(i)

• Calcium is found in middle lamella.
• Molybdenum activates nitrogenase.
• Boron is required for uptake and utilisation of Ca${}^{++}$.
• Iron is required for formation of chlorophyll.