Mineral Nutrition Mock Test 4 | NEET Biology Mock Tests Free

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

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

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

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

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

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

Copper

Zinc

Manganese

Iron

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

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 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.

#4. Sulphur containing amino acids are

Methionine and tryptophan

Cysteine & methionine

Tryptophan and serine

Valine and cysteine

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

Symptoms of Fe, Mg & Ca toxicity

Symptoms of Zn, Mo & Ca toxicity

Deficiency symptoms of Zn, Mo & Ca

Deficiency symptoms of Fe, Mg & Ca

#6. In plants, nitrogen is absorbed mainly as

NO3

NO2

NH4

NH2

#7. 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

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

Mg2+ – RUBISCO

Mo – Nitrogenase

Zn2+ – Alcohol dehydrogenase

Ca2+ – Phosphoenol pyruvate carboxylase

#9. Nitrogen is the constituents of

Amino acids and proteins

Chlorophyll, vitamins and hormones

All the above

Nucleic acids and nucleotides

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

Less than 100 mmole Kg–1 of dry matter

Less than 1 mmole Kg–1 of dry matter

Less than 5 mmole Kg–1 of dry matter

Less than 10 mmole Kg–1 of dry matter

#11. 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

#12. Main symptom of manganese toxicity is the

Yellow spots surrounded by necrotic veins

Brown spots surrounded by necrotic veins

Yellow spots surrounded by chlorotic veins

Brown spots surrounded by chlorotic veins

#13. Which statement is not true regarding magnesium?

It helps to maintain the ribosome structure.

It is a constituent of ring structure of haemoglobin.

It is involved in the synthesis of DNA and RNA.

It activates enzymes of respiration & photosynthesis.

#14. In plants, boron is required for

Uptake & utilisation of Ca2+

All the above

Pollen germination

Cell elongation

#15. 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.

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

30%

1%

20%

10%

#17. Select the false statement

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

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

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

About 17 elements are found in different plants.

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

Ammonification

Nitrification

Denitrification

Nitrogen fixation

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

Na+, K+, Cl-

Mg2+, Ca2+, Cl-

Mg2+, K+, HCO3-

Na+, Ca2+, Cl-

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

Porosis

Necrosis

Chlorosis

Canker

#22. 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

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

Hydroponics

Aeroponics

Geoponics

None of these

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

Tender leaves

Senescent stems

Tender stems

Senescent leaves

#25. 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.

An element must be needed for normal growth and reproduction.

It must be directly involved in the plant metabolism.

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

13

17

20

67

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

Oxygen, nitrogen, phosphorous, iron, potassium

Oxygen, nitrogen, calcium, sulphur, potassium

Carbon, calcium, zinc, boron, potassium

Carbon, nitrogen, manganese, sulphur, chlorine

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

Nitrogen fixation

Denitrification

Nitrification

Ammonification

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

Nitrogenase & nitrate reductase

Catalase & nitrate reductase

Glutamate dehydrogenase & peroxidase

Catalase & peroxidase

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

Calcium phosphate in primary wall

Calcium pectate in middle lamella

Calcium bicarbonate in middle lamella

Calcium carbonate in primary wall

Mineral Nutrition Mock Test 4 | NEET Biology Mock Tests Free

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

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