Mineral Nutrition Mock Test 4 | NEET Biology Mock Tests Free

#1. The loss of chlorophyll leading to yellowing in leaves is

Chlorosis

Porosis

Necrosis

Canker

#2. Which of the following sets have only macronutrients?

Oxygen, nitrogen, calcium, sulphur, potassium

Oxygen, nitrogen, phosphorous, iron, potassium

Carbon, nitrogen, manganese, sulphur, chlorine

Carbon, calcium, zinc, boron, potassium

#3. Nitrogen is the constituents of

Chlorophyll, vitamins and hormones

Nucleic acids and nucleotides

Amino acids and proteins

All the above

#4. The best-defined function of manganese is in the

Photolysis of water during photosynthesis.

Calvin cycle during photosynthesis

Nitrogen fixation

Absorption of water and minerals

#5. Symptoms of Mn toxicity in plants may actually be the

Deficiency symptoms of Zn, Mo & Ca

Deficiency symptoms of Fe, Mg & Ca

Symptoms of Zn, Mo & Ca toxicity

Symptoms of Fe, Mg & Ca toxicity

#6. Regarding hydroponics, which statement is wrong?

In hydroponics, nutrient solution is aerated for optimum growth

It is demonstrated by Julius von Sachs in 1860

Hydroponics is not suitable for the commercial production of vegetables

It is used to identify the essential elements needed for plants and their deficiency symptoms

#7. Mineral salts absorbed from soil are translocated through

Phloem independent of ascending stream of water.

Phloem along with ascending stream of water.

Xylem along with ascending stream of water.

Xylem independent of ascending stream of water.

#8. Of the following statements given, which one is the criterion for essentiality of an element?

The requirement of an element must be specific.

It must be directly involved in the plant metabolism.

All the above.

An element must be needed for normal growth and reproduction.

#9. The element needed for activation of carboxylases and in the synthesis of auxin is

Zinc

Copper

Manganese

Iron

#10. Select the mismatching pair regarding elements that activate enzymes

Zn2+ – Alcohol dehydrogenase

Mo – Nitrogenase

Mg2+ – RUBISCO

Ca2+ – Phosphoenol pyruvate carboxylase

#11. Regarding the process of absorption of elements, which statement is true?

The first phase of absorption is the active uptake of ions into the apoplast of cells.

The first phase of absorption is the passive uptake of ions into the apoplast of cells.

The first phase of absorption is the active uptake of ions into the symplast of cells.

The first phase of absorption is the passive uptake of ions into the symplast of cells.

#12. Decomposition of organic nitrogen of dead plants and animals into ammonia is called

Ammonification

Nitrification

Nitrogen fixation

Denitrification

#13. What is true about potassium?

It is essential in meristematic tissues, buds, leaves & root tips

It is involved in protein synthesis

It maintains an anion-cation balance in cells

All the above

#14. Molybdenum is a component of many enzymes such as

Catalase & nitrate reductase

Catalase & peroxidase

Nitrogenase & nitrate reductase

Glutamate dehydrogenase & peroxidase

#15. Deficiency symptoms of nitrogen, potassium and magnesium are visible first in the

Senescent stems

Tender leaves

Senescent leaves

Tender stems

#16. Sulphur containing amino acids are

Tryptophan and serine

Methionine and tryptophan

Valine and cysteine

Cysteine & methionine

#17. Select the false statement

Some plants growing near nuclear test sites take up radioactive strontium.

About 17 elements are found in different plants.

Some plant species near mining sites can accumulate selenium, gold etc.

There are techniques to detect the minerals even at a very low concentration of 10-8 g/mL.

#18. How many elements are absolutely essential for plant growth and metabolism?

#19. Which of the following sets have only micronutrients?

Fe, Mn, Cu, Mo, Zn, B, Cl, Ni

O, Mn, Cu, Mo, Zn, B, Cl, N

Ca, K, Cu, Mo, Zn, B, Cl, Ni

Fe, Mn, Ca, Mo, Zn, K, Cl, Ni

#20. Any mineral ion concentration in tissues that reduces the dry weight of tissues by about …… is considered toxic.

30%

20%

10%

#21. Main symptom of manganese toxicity is the

Brown spots surrounded by necrotic veins

Yellow spots surrounded by necrotic veins

Brown spots surrounded by chlorotic veins

Yellow spots surrounded by chlorotic veins

#22. Necrosis (death of tissue) is due to the deficiency of

N, K, Mg & S

Ca, Mg, Cu, K

Fe, Mn, Zn & Mo

N, K, S & Mo

#23. The technique of growing plants in a defined nutrient solution without soil is known as

None of these

Geoponics

Aeroponics

Hydroponics

#24. The main elements essential for determining the solute concentration and the anion-cation balance in cells are

Mg2+, Ca2+, Cl-

Mg2+, K+, HCO3-

Na+, Ca2+, Cl-

Na+, K+, Cl-

#25. Which statement is not true regarding magnesium?

It helps to maintain the ribosome structure.

It is involved in the synthesis of DNA and RNA.

It is a constituent of ring structure of haemoglobin.

It activates enzymes of respiration & photosynthesis.

#26. During cell division, calcium is used in the synthesis of cell wall, particularly as

Calcium pectate in middle lamella

Calcium phosphate in primary wall

Calcium bicarbonate in middle lamella

Calcium carbonate in primary wall

#27. Micronutrients are needed only in very small amounts of

Less than 100 mmole Kg–1 of dry matter

Less than 10 mmole Kg–1 of dry matter

Less than 1 mmole Kg–1 of dry matter

Less than 5 mmole Kg–1 of dry matter

#28. In plants, boron is required for

Pollen germination

Cell elongation

All the above

Uptake & utilisation of Ca2+

#29. The process of conversion of atmospheric nitrogen (N2 or N≡N) to ammonia is called

Denitrification

Nitrification

Ammonification

Nitrogen fixation

#30. In plants, nitrogen is absorbed mainly as

NO3

NH2

NO2

NH4

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#1. The loss of chlorophyll leading to yellowing in leaves is

#2. Which of the following sets have only macronutrients?

#3. Nitrogen is the constituents of

#4. The best-defined function of manganese is in the

#5. Symptoms of Mn toxicity in plants may actually be the

#6. Regarding hydroponics, which statement is wrong?

#7. Mineral salts absorbed from soil are translocated through

#8. Of the following statements given, which one is the criterion for essentiality of an element?

#9. The element needed for activation of carboxylases and in the synthesis of auxin is

#10. Select the mismatching pair regarding elements that activate enzymes

#11. Regarding the process of absorption of elements, which statement is true?

#12. Decomposition of organic nitrogen of dead plants and animals into ammonia is called

#13. What is true about potassium?

#14. Molybdenum is a component of many enzymes such as

#15. Deficiency symptoms of nitrogen, potassium and magnesium are visible first in the

#16. Sulphur containing amino acids are

#17. Select the false statement

#18. How many elements are absolutely essential for plant growth and metabolism?

#19. Which of the following sets have only micronutrients?

#20. Any mineral ion concentration in tissues that reduces the dry weight of tissues by about …… is considered toxic.

#21. Main symptom of manganese toxicity is the

#22. Necrosis (death of tissue) is due to the deficiency of

#23. The technique of growing plants in a defined nutrient solution without soil is known as

#24. The main elements essential for determining the solute concentration and the anion-cation balance in cells are

#25. Which statement is not true regarding magnesium?

#26. During cell division, calcium is used in the synthesis of cell wall, particularly as

#27. Micronutrients are needed only in very small amounts of

#28. In plants, boron is required for

#29. The process of conversion of atmospheric nitrogen (N2 or N≡N) to ammonia is called

#30. In plants, nitrogen is absorbed mainly as

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