Micronutrients

Q. The essential element that is component of energy-related chemical compound chlorophyll is:

1. Phosphorus
2. Magnesium
3. Manganese
4. Copper

Q. Assertion (A): Non-mineral elements in ash analysis study are oxidised.
Reason (R): Ash contains inorganic elements which are not destroyed by heating.

1. Both A & R true and R explains A
2. Both A & R true and R does not explain A
3. Both A & R are false
4. A is true and R is false

Q.

Which of the following is a trace element?

1. Ca

2. Cu

3. K

4. Mg

Q.

Which of the following elements is not required by plants for their normal healthy growth?

1. Lead

2. Iron

3. Calcium

4. Magnesium

Q. Except for C, H, and O, all other essential elements are obtained from the soil as mineral nutrients.

1. False
2. True

Q.

Micronutrient which is important in transport of sugar, synthesis of enzymes and cell division is

1. Phosphorus

2. Boron

3. Potassium

4. Sulphur

Q.

The minerals involved in water-splitting reaction during photosynthesis are

1. Magnesium and Chlorine

2. Potassium and Manganese

3. Manganese and Chlorine

4. Molybdenum and Manganese

Q.

Which one of the following is not a micronutrient?

1. Magnesium

2. Molybdenum

3. Boron

4. Zinc

Q.

Nutrients that are required by plants in smaller quantities are considered as

1. Micronutrients

2. Macronutrients

3. Mega nutrients

4. Chemical nutrients

Q.

Micronutrients include all except

1. Molybdenum

2. Chlorine

3. Carbon

4. Zinc