Mineral Nutrition Mock Test 4 | NEET Biology Mock Tests Free

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

Ca, Mg, Cu, K

Fe, Mn, Zn & Mo

N, K, Mg & S

N, K, S & Mo

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

30%

20%

10%

#3. Sulphur containing amino acids are

Valine and cysteine

Methionine and tryptophan

Tryptophan and serine

Cysteine & methionine

#4. Main symptom of manganese toxicity is the

Brown spots surrounded by necrotic veins

Yellow spots surrounded by chlorotic veins

Brown spots surrounded by chlorotic veins

Yellow spots surrounded by necrotic veins

#5. Select the false statement

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

About 17 elements are found in different plants.

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

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

#6. 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 passive 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 apoplast of cells.

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

Symptoms of Fe, Mg & Ca toxicity

Deficiency symptoms of Zn, Mo & Ca

Symptoms of Zn, Mo & Ca toxicity

Deficiency symptoms of Fe, Mg & Ca

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

Oxygen, nitrogen, phosphorous, iron, potassium

Carbon, nitrogen, manganese, sulphur, chlorine

Carbon, calcium, zinc, boron, potassium

Oxygen, nitrogen, calcium, sulphur, potassium

#9. Nitrogen is the constituents of

Amino acids and proteins

Chlorophyll, vitamins and hormones

Nucleic acids and nucleotides

All the above

#10. Which statement is not true regarding magnesium?

It is a constituent of ring structure of haemoglobin.

It is involved in the synthesis of DNA and RNA.

It helps to maintain the ribosome structure.

It activates enzymes of respiration & photosynthesis.

#11. What is true about potassium?

All the above

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

It maintains an anion-cation balance in cells

It is involved in protein synthesis

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

Tender leaves

Senescent stems

Senescent leaves

Tender stems

#13. 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

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

Catalase & peroxidase

Glutamate dehydrogenase & peroxidase

Catalase & nitrate reductase

Nitrogenase & nitrate reductase

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

Zinc

Copper

Manganese

Iron

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

Canker

Chlorosis

Necrosis

Porosis

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

Aeroponics

Geoponics

None of these

Hydroponics

#18. In plants, boron is required for

All the above

Uptake & utilisation of Ca2+

Pollen germination

Cell elongation

#19. Mineral salts absorbed from soil are translocated through

Phloem independent of ascending stream of water.

Phloem along with ascending stream of water.

Xylem independent of ascending stream of water.

Xylem along with ascending stream of water.

#20. 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.

#21. In plants, nitrogen is absorbed mainly as

NO3

NH4

NH2

NO2

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

Nitrification

Ammonification

Denitrification

Nitrogen fixation

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

Mg2+, Ca2+, Cl-

Na+, Ca2+, Cl-

Na+, K+, Cl-

Mg2+, K+, HCO3-

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

Nitrogen fixation

Absorption of water and minerals

Photolysis of water during photosynthesis.

Calvin cycle during photosynthesis

#25. 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 demonstrated by Julius von Sachs in 1860

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

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

Zn2+ – Alcohol dehydrogenase

Mg2+ – RUBISCO

Ca2+ – Phosphoenol pyruvate carboxylase

Mo – Nitrogenase

#27. 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

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

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

Calcium bicarbonate in middle lamella

Calcium phosphate in primary wall

Calcium pectate in middle lamella

Calcium carbonate in primary wall

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

Ammonification

Nitrification

Denitrification

Nitrogen fixation

Finish

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Mineral Nutrition Mock Test 4 | NEET Biology Mock Tests Free

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

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

#3. Sulphur containing amino acids are

#4. Main symptom of manganese toxicity is the

#5. Select the false statement

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

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

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

#9. Nitrogen is the constituents of

#10. Which statement is not true regarding magnesium?

#11. What is true about potassium?

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

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

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

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

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

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

#18. In plants, boron is required for

#19. Mineral salts absorbed from soil are translocated through

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

#21. In plants, nitrogen is absorbed mainly as

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

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

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

#25. Regarding hydroponics, which statement is wrong?

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

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

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

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

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

Results

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