Mineral Nutrition MCQs Quiz Multiple Choice Questions & Answers

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

1. Transpiration
2. Turgidity
3. Osmotic pressure
4. Turgor pressure

2. By which nitrite is converted into nitrate ?

1. Nitro bacter
2. Nitro somonas
3. Agro bacterium
4. Psuedomonas

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

1. ion exchange
2. principle of mass flow
3. Donnan equillibrium
4. principle of Diffusion

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

1. Mo
2. B
3. Cu
4. None

5. Deficiency of which element shows stunted growth ?

1. Mo, Ca, S, N
2. Cl, N, Cu, Zn
3. P, S, Mn, Ca
4. K, N, Fe, Ca

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

1. K
2. Fe
3. Cu
4. B

7. Donnan equillibrium is achieved at which surface ?

1. Cell wall
2. Nuclear membrance
3. plasma membrance
4. Vascular membrace

8. Due to natural lightening

1. Nitrate is converted into Nitride
2. N2 is converted into nitrate
3. Modify from ZNO3 to N2
4. to increase activity of Reductive Amination

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

1. Zn
2. K
3. P
4. Cu

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

1. Nitrosomonas
2. Rhizobium
3. Nitrobacter
4. Pseudomonas

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

1. growth and development
2. cell division and differentiation
3. photosynthesis and transpiration
4. Respiration and photosynthesis

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

1. Nitration
2. Denitrification
3. Nitrogenation
4. Nitrification

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

1. Cell wall
2. Nuclear membrance
3. tonoplast
4. plasma membrance

14. In which form Phosphorous is absorbed from soil ?

1. H3PO4
2. HPO4
3. H2PO4
4. H4P2O7

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

1. oily seeds
2. leguminosae
3. grains
4. Fibres

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

1. Cambium activity reduces
2. fruit size deminishes
3. Grey spots on leaves
4. seed dormancy increases.

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

1. ion balance
2. stabilizes ribosomes
3. Required for iron absorption
4. In active site of many redox enzymes

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

1. Julious Vonsachs
2. Cornelius Von
3. Arnon and Stout
4. Jhon Ingen house

19. State deficiency of Cl.

1. Wilting of stubby roots
2. brown spoted fruits
3. accumalation of purple pigment
4. premature leaf fall

20. State deficiency symptoms of Mo.

1. fruit yeild decreases
2. fall of fruit
3. N - deficiency appears.
4. death of root-apex and shoot-apex.

21. State importance of Ca.

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

22. State importance of iron ?

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

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

1. dispersal of mineral
2. Absorption of mineral salts
3. mineral metabolism
4. mineral nutrition

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

1. Continous flowing solution culture
2. Tissue culture method
3. Gas culture method
4. Balanced - culture solution method

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

1. Ammonification
2. Denitrification
3. Nitrification
4. Demonification

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

1. nucleus membrane region
2. passive transport region
3. Cellular region
4. Active transport region

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

1. Fe, Mg, S
2. Ca, Fe, Mg
3. Mg, K, Fe
4. Ca, P, S

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

1. 1 to 10 mg
2. 0.1 mg
3. 0.1 mg or less than that
4. 10 mg or more than that

29. What is responsible for N2 fixation in Rhizobium ?

1. nif - gene
2. leghemoglobin
3. Nitrogenase
4. ATP

30. What is the function of leg haemoglobin ?

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

31. What is the function of Zn ?

1. Synthesis of Carboxyalase enzyme
2. Formation of Indol Acetic acid (IAA)
3. required for absprption and utilization of Ca.
4. required for maintenance of ribosomal constituent.

32. Which amino acid acts as a main donor of amino group in transamination ?

1. Glutamic acid
2. Glutamine
3. Glutamate dehydrogenase
4. Glycine

33. Which amino acid is formed when a keto - glutaric acid reacts with NH3 during transmmination ?

1. Glutanic acid
2. Aspartic acid
3. Oxalo-acetic acid
4. None of these

34. Which element deficiency shows bronzing leaves ?

1. K
2. N
3. Ca
4. S

35. Which element is necessary for meristmatic tissue and differentiating tissues ?

1. Fe
2. N
3. Ca
4. B

36. Which element is necessary to stabilize ribosomes ?

1. Mn
2. Mg
3. Mo
4. Ni

37. Which element is required for absorption and utilization of calcium ?

1. Fe
2. Cu
3. B
4. K

38. Which element is required for photolysis of water during photosynthesis ?

1. Mo
2. Co
3. Cu
4. Cl

39. Which elements play significant role in structure and synthesis ofchlorophyll ?

1. Fe, Ca
2. Fe, Mg
3. Cu, Fe
4. Mg, Fe

40. Which group is included in Macronutrients?

1. H, Mn, S
2. S, P, Ca, Mg
3. Mn, Cu, N
4. Na, Cl

41. Which group is included in micronutrients ?

1. Mn, Cu, Mo
2. Cl, Ni, Co, Mg
3. C, H, O, N
4. Cl, S, Ni, Fe

42. Which inorganic substance is obtained by N2 - fraction ?

1. Ammonium
2. amino acid
3. Ammonia
4. Ammonium Hydroxide

43. Which is correct statement for Active transport ?

1. It occurs in the concentration gradient so ATP is not required.
2. It occurs in the concentration gradient so ATP is required.
3. It occurs against the concentration gradient so ATP is not required.
4. It occurs against the concentration gradient so ATP is required.

44. Which is improper pair of the following ?

1. Ionic balance in plants - Na
2. Cell wall component - B
3. Activation of Nitrogenase - Cu
4. Required for iron absorption - Ni

45. Which is proper pair of ions and its deficiency symtoms ?

1. Nitrogen - Induction of dormancy
2. Potassium - Scorched look to leaves
3. Phosphorous - Chlorosis
4. Zinc - Brown spoted of fruit

46. Which is the true statement for the vanadium element ?

1. deficiency do not regulate the size of stomata.
2. It is united in the formation of bipolar spindle during cell division.
3. plant do not get ammonia from the soil, due to its deficiency.
4. It plays role as structural component of vitamin Biotin and thiamin.

47. Which method of hydroponics is used for providing nutrients to plants or seedlings in environment saturated with fine droplets of nutrients ?

1. Aeroponics
2. Continousflow of cultured solution
3. Static cultured solution
4. Suspension culture

48. Which method of hydroponics used for raising plants in solution filled containers such as a glass, jars, buckets, tubs and water tanks ?

1. static solution culture
2. nutrient film technique
3. Aeroponics
4. tissue culture

49. Which of the following is not related with intra cellular fluid ?

1. Mn
2. Mg
3. Mo
4. Na

50. Which substances of soil water are degraded gradually by, atmosphere and microorganisms ?

1. Organic material
2. inorganic material
3. elements
4. positive ions