Mineral Nutrition Mock Test 4 | NEET Biology Mock Tests Free

#1. Which statement is not true regarding magnesium?

It is involved in the synthesis of DNA and RNA.

It helps to maintain the ribosome structure.

It is a constituent of ring structure of haemoglobin.

It activates enzymes of respiration & photosynthesis.

#2. Mineral salts absorbed from soil are translocated through

Phloem independent of ascending stream of water.

Xylem independent of ascending stream of water.

Phloem along with ascending stream of water.

Xylem along with ascending stream of water.

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

N, K, S & Mo

N, K, Mg & S

Ca, Mg, Cu, K

Fe, Mn, Zn & Mo

#4. What is true about potassium?

It maintains an anion-cation balance in cells

It is involved in protein synthesis

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

All the above

#5. Select the false statement

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

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

About 17 elements are found in different plants.

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

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

Calcium pectate in middle lamella

Calcium carbonate in primary wall

Calcium bicarbonate in middle lamella

Calcium phosphate in primary wall

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

Nitrogen fixation

Ammonification

Nitrification

Denitrification

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

Nitrification

Denitrification

Ammonification

Nitrogen fixation

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

10%

20%

30%

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

#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 symplast 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 apoplast of cells.

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

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

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

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

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

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

Photolysis of water during photosynthesis.

Absorption of water and minerals

Nitrogen fixation

Calvin cycle during photosynthesis

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

Deficiency symptoms of Fe, Mg & Ca

Symptoms of Zn, Mo & Ca toxicity

Deficiency symptoms of Zn, Mo & Ca

Symptoms of Fe, Mg & Ca toxicity

#15. Sulphur containing amino acids are

Tryptophan and serine

Cysteine & methionine

Valine and cysteine

Methionine and tryptophan

#16. In plants, nitrogen is absorbed mainly as

NH2

NO2

NO3

NH4

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

None of these

Hydroponics

Geoponics

Aeroponics

#18. Main symptom of manganese toxicity is the

Brown spots surrounded by necrotic veins

Brown spots surrounded by chlorotic veins

Yellow spots surrounded by necrotic veins

Yellow spots surrounded by chlorotic veins

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

Less than 10 mmole Kg–1 of dry matter

Less than 5 mmole Kg–1 of dry matter

Less than 100 mmole Kg–1 of dry matter

Less than 1 mmole Kg–1 of dry matter

#20. In plants, boron is required for

Pollen germination

All the above

Uptake & utilisation of Ca2+

Cell elongation

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

Mg2+ – RUBISCO

Ca2+ – Phosphoenol pyruvate carboxylase

Zn2+ – Alcohol dehydrogenase

Mo – Nitrogenase

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

Necrosis

Porosis

Chlorosis

Canker

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

Glutamate dehydrogenase & peroxidase

Catalase & nitrate reductase

Nitrogenase & nitrate reductase

Catalase & peroxidase

#24. Nitrogen is the constituents of

Amino acids and proteins

Nucleic acids and nucleotides

Chlorophyll, vitamins and hormones

All the above

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

Na+, Ca2+, Cl-

Na+, K+, Cl-

Mg2+, Ca2+, Cl-

Mg2+, K+, HCO3-

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

Manganese

Iron

Zinc

Copper

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

Senescent stems

Tender leaves

Senescent leaves

Tender stems

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

Oxygen, nitrogen, calcium, sulphur, potassium

Carbon, nitrogen, manganese, sulphur, chlorine

Carbon, calcium, zinc, boron, potassium

Oxygen, nitrogen, phosphorous, iron, potassium

#29. Regarding hydroponics, which statement is wrong?

Hydroponics is not suitable for the commercial production of vegetables

In hydroponics, nutrient solution is aerated for optimum growth

It is demonstrated by Julius von Sachs in 1860

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

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

It must be directly involved in the plant metabolism.

The requirement of an element must be specific.

All the above.

An element must be needed for normal growth and reproduction.

Finish

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Mineral Nutrition Mock Test 4 | NEET Biology Mock Tests Free

#1. Which statement is not true regarding magnesium?

#2. Mineral salts absorbed from soil are translocated through

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

#4. What is true about potassium?

#5. Select the false statement

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

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

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

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

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

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

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

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

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

#15. Sulphur containing amino acids are

#16. In plants, nitrogen is absorbed mainly as

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

#18. Main symptom of manganese toxicity is the

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

#20. In plants, boron is required for

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

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

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

#24. Nitrogen is the constituents of

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

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

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

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

#29. Regarding hydroponics, which statement is wrong?

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

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