Question : Which of the following is not a micronutrient for a plant?
A. Manganese
B. Molybdenum
C. Magnesium
D. Iron
Question Listed : Plant, Tree, Magnesium,
Question : Which element is required by plants to synthesize chlorophyll?
A. Helium
B. Manganese
C. Sodium
D. Magnesium
Question Listed : Plant, Tree, Magnesium,
Question : Which one of the following metals is used in fireworks to make brilliant white light?
A. silver
B. aluminium
C. magnesium
D. sodium
Question Listed : Magnesium, Metals,
Question : Which of the following metals is central to chlorophyll, the pigment which gives green colour to leaves of plants?
A. sodium
B. aluminium
C. manganese
D. magnesium
Question Listed : Magnesium, Metals,
Question : The main constituents of pearls are
A. ammonium sulphate and sodium carbonate
B. aragonite and conchiolin
C. calcium carbonate and magnesium carbonate
D. calcium oxide and ammonium chloride
Question Listed : Calcium Carbonate, Magnesium Carbonate, Elements, Metals,
Question : Chlorophyll is a naturally occurring chelate compound in which central metal is
A. calcium
B. iron
C. magnesium
D. copper
Question Listed : Magnesium, Elements, Metals,
Question : Which element is used in antacids and laxatives?
A. Calcium
B. Magnesium
C. Bromine
D. Sodium
Question Listed : Magnesium, Diseases,