Choose the Correct Answers

Plant Physiology (Functional Organisation)

Mineral Nutrition

Evaluation

1. Identify correct match.

1. Die back disease of citrus - (i) Mo

2. Whip tail disease - (ii) Zn

3. Brown heart of turnip - (iii) Cu

4. Little leaf - (iv) B

a. 1 (iii) 2 (ii) 3 (iv) 4 (i)

b. 1 (iii) 2 (i) 3 (iv) 4 (ii)

c. 1 (i) 2 (iii) 3 (ii) 4 (iv)

d. 1 (iii) 2 (iv) 3 (ii) 4 (i)

2. If a plant is provided with all mineral nutrients but, Mn concentration is increased, what will be the deficiency?

a. Mn prevent the uptake of Fe, Mg but not Ca

b. Mn increase the uptake of Fe, Mg and Ca

c. Only increase the uptake of Ca

d. Prevent the uptake Fe, Mg, and Ca

3. The element which is not remobilized?

a. Phosphorous

b. Potassium

c. Calcium

d. Nitrogen

4. Match the correct combination.

 Minerals : Role

A Molybdenum : 1 Chlorophyll

B Zinc : 2 Methionine

C Magnesium : 3 Auxin

D Sulphur : 4 Nitrogenase

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

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

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

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

5. Identify the correct statement

i. Sulphur is essential for amino acids Cystine and Methionine

ii. Low level of N, K, S and Mo affect the cell division

iii. Non-leguminous plant Alnuswhich contain bacterium Frankia

iv. Denitrification carried out by nitrosomonas and nitrobacter.

a. I, II are correct

b. I, II, III are correct

c. I only correct

d. all are correct