Mineral Nutrition Mock Test 4 | NEET Biology Mock Tests Free

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

Calcium pectate in middle lamella

Calcium bicarbonate in middle lamella

Calcium phosphate in primary wall

Calcium carbonate in primary wall

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

Deficiency symptoms of Fe, Mg & Ca

Deficiency symptoms of Zn, Mo & Ca

Symptoms of Fe, Mg & Ca toxicity

Symptoms of Zn, Mo & Ca toxicity

#3. Main symptom of manganese toxicity is the

Yellow spots surrounded by necrotic veins

Brown spots surrounded by necrotic veins

Brown spots surrounded by chlorotic veins

Yellow spots surrounded by chlorotic veins

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

It must be directly involved in the plant metabolism.

All the above.

An element must be needed for normal growth and reproduction.

The requirement of an element must be specific.

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

Geoponics

None of these

Aeroponics

Hydroponics

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

Absorption of water and minerals

Photolysis of water during photosynthesis.

Nitrogen fixation

Calvin cycle during photosynthesis

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

Senescent stems

Tender stems

Tender leaves

Senescent leaves

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

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

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 symplast of cells.

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

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

Na+, Ca2+, Cl-

Mg2+, K+, HCO3-

Na+, K+, Cl-

Mg2+, Ca2+, Cl-

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

Ca2+ – Phosphoenol pyruvate carboxylase

Zn2+ – Alcohol dehydrogenase

Mg2+ – RUBISCO

Mo – Nitrogenase

#11. Regarding hydroponics, which statement is wrong?

In hydroponics, nutrient solution is aerated for optimum growth

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

It is demonstrated by Julius von Sachs in 1860

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

Catalase & peroxidase

Nitrogenase & nitrate reductase

Catalase & nitrate reductase

Glutamate dehydrogenase & peroxidase

#13. Sulphur containing amino acids are

Cysteine & methionine

Methionine and tryptophan

Valine and cysteine

Tryptophan and serine

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

Canker

Porosis

Necrosis

Chlorosis

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

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

Less than 10 mmole Kg–1 of dry matter

Less than 100 mmole Kg–1 of dry matter

Less than 5 mmole Kg–1 of dry matter

Less than 1 mmole Kg–1 of dry matter

#17. 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 activates enzymes of respiration & photosynthesis.

It is a constituent of ring structure of haemoglobin.

#18. What is true about potassium?

All the above

It maintains an anion-cation balance in cells

It is involved in protein synthesis

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

#19. In plants, boron is required for

Uptake & utilisation of Ca2+

Pollen germination

Cell elongation

All the above

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

Oxygen, nitrogen, calcium, sulphur, potassium

Carbon, nitrogen, manganese, sulphur, chlorine

Oxygen, nitrogen, phosphorous, iron, potassium

Carbon, calcium, zinc, boron, potassium

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

Manganese

Iron

Zinc

Copper

#22. Nitrogen is the constituents of

Nucleic acids and nucleotides

All the above

Amino acids and proteins

Chlorophyll, vitamins and hormones

#23. Mineral salts absorbed from soil are translocated through

Phloem along with ascending stream of water.

Phloem independent of ascending stream of water.

Xylem independent of ascending stream of water.

Xylem along with ascending stream of water.

#24. In plants, nitrogen is absorbed mainly as

NO2

NH4

NH2

NO3

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

Denitrification

Nitrification

Ammonification

Nitrogen fixation

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

Nitrification

Denitrification

Nitrogen fixation

Ammonification

#27. Select the false statement

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

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

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

About 17 elements are found in different plants.

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

N, K, S & Mo

Ca, Mg, Cu, K

N, K, Mg & S

Fe, Mn, Zn & Mo

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

10%

20%

30%

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

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

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

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

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

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

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

#3. Main symptom of manganese toxicity is the

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

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

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

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

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

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

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

#11. Regarding hydroponics, which statement is wrong?

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

#13. Sulphur containing amino acids are

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

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

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

#17. Which statement is not true regarding magnesium?

#18. What is true about potassium?

#19. In plants, boron is required for

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

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

#22. Nitrogen is the constituents of

#23. Mineral salts absorbed from soil are translocated through

#24. In plants, nitrogen is absorbed mainly as

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

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

#27. Select the false statement

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

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

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

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