Mineral Nutrition Mock Test 4 | NEET Biology Mock Tests Free

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

30%

10%

20%

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

Canker

Porosis

Chlorosis

Necrosis

#3. 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 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 apoplast of cells.

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

Deficiency symptoms of Zn, Mo & Ca

Symptoms of Fe, Mg & Ca toxicity

Symptoms of Zn, Mo & Ca toxicity

Deficiency symptoms of Fe, Mg & Ca

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

Nitrification

Denitrification

Nitrogen fixation

Ammonification

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

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

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

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

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

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

Less than 1 mmole Kg–1 of dry matter

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

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

Oxygen, nitrogen, calcium, sulphur, potassium

Carbon, calcium, zinc, boron, potassium

Oxygen, nitrogen, phosphorous, iron, potassium

Carbon, nitrogen, manganese, sulphur, chlorine

#9. Regarding hydroponics, which statement is wrong?

It is demonstrated by Julius von Sachs in 1860

In hydroponics, nutrient solution is aerated for optimum growth

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

Hydroponics is not suitable for the commercial production of vegetables

#10. In plants, boron is required for

Pollen germination

Uptake & utilisation of Ca2+

All the above

Cell elongation

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

Mg2+, K+, HCO3-

Mg2+, Ca2+, Cl-

Na+, K+, Cl-

Na+, Ca2+, Cl-

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

Copper

Zinc

Iron

Manganese

#13. 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

#14. In plants, nitrogen is absorbed mainly as

NH4

NO3

NO2

NH2

#15. 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.

#16. Mineral salts absorbed from soil are translocated through

Phloem along with ascending stream of water.

Xylem independent of ascending stream of water.

Phloem independent of ascending stream of water.

Xylem along with ascending stream of water.

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

Ca, Mg, Cu, K

N, K, S & Mo

Fe, Mn, Zn & Mo

N, K, Mg & S

#18. What is true about potassium?

It maintains an anion-cation balance in cells

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

It is involved in protein synthesis

All the above

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

Zn2+ – Alcohol dehydrogenase

Mg2+ – RUBISCO

Mo – Nitrogenase

Ca2+ – Phosphoenol pyruvate carboxylase

#20. Sulphur containing amino acids are

Tryptophan and serine

Valine and cysteine

Cysteine & methionine

Methionine and tryptophan

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

Nitrogenase & nitrate reductase

Glutamate dehydrogenase & peroxidase

Catalase & peroxidase

Catalase & nitrate reductase

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

None of these

Hydroponics

Geoponics

Aeroponics

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

Ammonification

Nitrification

Nitrogen fixation

Denitrification

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

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

Tender stems

Senescent stems

Tender leaves

Senescent leaves

#26. 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.

#27. Nitrogen is the constituents of

All the above

Chlorophyll, vitamins and hormones

Amino acids and proteins

Nucleic acids and nucleotides

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

Calvin cycle during photosynthesis

Photolysis of water during photosynthesis.

Absorption of water and minerals

Nitrogen fixation

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

All the above.

The requirement of an element must be specific.

It must be directly involved in the plant metabolism.

An element must be needed for normal growth and reproduction.

#30. Main symptom of manganese toxicity is the

Brown spots surrounded by chlorotic veins

Brown spots surrounded by necrotic veins

Yellow spots surrounded by chlorotic veins

Yellow spots surrounded by necrotic veins

Finish

Results

Cogratulations!

You have passed the NEET Mock Test!

Please Review Your answer with Correct Answers and Explanations.

Oops!

You have not passed the Mock Test!

Please Review Your answer with Correct Answers and Explanations.

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

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

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

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

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

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

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

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

#9. Regarding hydroponics, which statement is wrong?

#10. In plants, boron is required for

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

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

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

#14. In plants, nitrogen is absorbed mainly as

#15. Select the false statement

#16. Mineral salts absorbed from soil are translocated through

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

#18. What is true about potassium?

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

#20. Sulphur containing amino acids are

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

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

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

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

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

#26. Which statement is not true regarding magnesium?

#27. Nitrogen is the constituents of

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

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

#30. Main symptom of manganese toxicity is the

Results

Leave a Comment Cancel reply