Mineral Nutrition MCQ Multiple Choice Questions Answers for Practice

Q: 1. According to mass flow principle what is responsible for absorption of water ?

Correct Answer is: Osmotic pressure

Q: 2. By which nitrite is converted into nitrate ?

Correct Answer is: Nitro bacter

Q: 3. By which principle, indirect storage of stable and non-diffusible ions is explained ?

Correct Answer is: Donnan equillibrium

Q: 5. Deficiency of which element shows stunted growth ?

Correct Answer is: Mo, Ca, S, N

Q: 7. Donnan equillibrium is achieved at which surface ?

Correct Answer is: Vascular membrace

Q: 8. Due to natural lightening

Correct Answer is: N2 is converted into nitrate

Q: 11. Formation of FAD during N2 fixation occurs during which processes ?

Correct Answer is: Respiration and photosynthesis

Q: 12. Formation of NO2 and NO3 from NH3 is indentified by which name ?

Correct Answer is: Nitrification

Q: 16. One plant is given Urea fertilizer, but it has deficiency of phosphorous, this plant will show which symptom ?

Correct Answer is: seed dormancy increases.

Q: 18. Standards for mineral elements essentially was suggested by which scientist ?

Correct Answer is: Arnon and Stout

1. According to mass flow principle what is responsible for absorption of water ?

Turgor pressure
Transpiration
Turgidity
Osmotic pressure

2. By which nitrite is converted into nitrate ?

Psuedomonas
Nitro bacter
Nitro somonas
Agro bacterium

3. By which principle, indirect storage of stable and non-diffusible ions is explained ?

principle of Diffusion
ion exchange
principle of mass flow
Donnan equillibrium

4. Deficiency of which element kills terminal buds leaving a rosette effect on the plant ?

None
Mo
B
Cu

5. Deficiency of which element shows stunted growth ?

K, N, Fe, Ca
Mo, Ca, S, N
Cl, N, Cu, Zn
P, S, Mn, Ca

6. Deficiency of which mineral causes shortening of internodes and reduction in cambium activity ?

7. Donnan equillibrium is achieved at which surface ?

Vascular membrace
Cell wall
Nuclear membrance
plasma membrance

8. Due to natural lightening

to increase activity of Reductive Amination
Nitrate is converted into Nitride
N2 is converted into nitrate
Modify from ZNO3 to N2

9. Due to which element deficiency bark of tree becomes rough and gets split and exudes gum-like secretion ?

10. Due to which type of bacteria atmospheric N2 is maintained ?

Pseudomonas
Nitrosomonas
Rhizobium
Nitrobacter

11. Formation of FAD during N2 fixation occurs during which processes ?

Respiration and photosynthesis
growth and development
cell division and differentiation
photosynthesis and transpiration

12. Formation of NO2 and NO3 from NH3 is indentified by which name ?

Nitrification
Nitration
Denitrification
Nitrogenation

13. In the first phase of absorption of mineral ions from soil to root, element passes through which plant?

plasma membrance
Cell wall
Nuclear membrance
tonoplast

14. In which form Phosphorous is absorbed from soil ?

H4P2O7
H3PO4
HPO4
H2PO4

15. Of the following, S is essential for best production of which crop ?

Fibres
oily seeds
leguminosae
grains

16. One plant is given Urea fertilizer, but it has deficiency of phosphorous, this plant will show which symptom ?

seed dormancy increases.
Cambium activity reduces
fruit size deminishes
Grey spots on leaves

17. Out of the following, what is the function of Potasium ?

In active site of many redox enzymes
ion balance
stabilizes ribosomes
Required for iron absorption

18. Standards for mineral elements essentially was suggested by which scientist ?

Jhon Ingen house
Julious Vonsachs
Cornelius Von
Arnon and Stout

19. State deficiency of Cl.

premature leaf fall
Wilting of stubby roots
brown spoted fruits
accumalation of purple pigment

20. State deficiency symptoms of Mo.

death of root-apex and shoot-apex.
fruit yeild decreases
fall of fruit
N - deficiency appears.

21. State importance of Ca.

Formation of nuclear membrance
Structural component of plasma membrance
For the synthesis if IAA.
Formation of bipolar centriole during cell-division

22. State importance of iron ?

Required for the absorption and metabolism of Ca.
Required for activation of Carboxyalase enzyme.
Required for the structure of Ferodoxin.
Required for the photolysis of H2O during photosynthesis.

23. The absorption, distribution and metabolism of various mineral elements is called

mineral nutrition
dispersal of mineral
Absorption of mineral salts
mineral metabolism

24. The method of hydroponic in which with the use of NFT, automatically, nutrient rich solution is given, is called

Balanced - culture solution method
Continous flowing solution culture
Tissue culture method
Gas culture method

25. The process which release NA3 from Nitrogenous excretory waste is known as

Demonification
Ammonification
Denitrification
Nitrification

26. The region within the plasma membrance and within the vacuole is called ?

Active transport region
nucleus membrane region
passive transport region
Cellular region

27. Toxicity of Mn inhibits function of which other elements ?

Ca, P, S
Fe, Mg, S
Ca, Fe, Mg
Mg, K, Fe

28. What is concentration of micronutrients in the dry mass of plants per gram ?

10 mg or more than that
1 to 10 mg
0.1 mg
0.1 mg or less than that

29. What is responsible for N2 fixation in Rhizobium ?

ATP
nif - gene
leghemoglobin
Nitrogenase

30. What is the function of leg haemoglobin ?

To synthesis reduction inducing unit FAD.
To protect Nif gene from the side effect of O2
To proctect nitrogenase from the side effect of O2
To provide atmosheric N2 to Rhizobium bzcteria

MCQ quiz on Mineral nutrition multiple choice questions and answers on Mineral nutrition MCQ questions quiz on Mineral nutrition objectives questions with answer test pdf for interview preparations, freshers jobs and competitive exams.