Chapter wise NEET Biology MCQs | NEET Mineral Nutrition (Class 11) Questions | Online MCQ Test No 05
Plant Nutrition (Mineral Nutrition in Plants) - MCQs Quiz - 5
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Question 1 |
A nutritionally wild type organism, which does not require any additional growth supplement is known as:
Holotype | |
Auxotroph | |
Prototroph | |
Phenotype |
Question 2 |
Which one of the following is not a micronutrient?
Magnesium | |
Molybdenum | |
Boron | |
Zinc |
Question 3 |
The function of leghemoglobin in the root nodules of legumes is
Oxygen removal | |
Inhibition of nitrogenase activity | |
Expression of nif gene | |
Nodule differentiation |
Question 4 |
Which of the following is a bacterium involved in denitrification?
Azotobacter | |
Nitrosomonas | |
Pseudomonas | |
Nitrobacter |
Question 5 |
Which one of the following elements in plants is not remobilized?
Calcium | |
Phosphorus | |
Sulphur | |
Potassium |
Question 6 |
Which of the following is a rootless aquatic plant in which a portion of the leaf forms a tiny sac for trapping insects?
Utricularia | |
Drosera | |
Nepenthes | |
Dionaea |
Question 7 |
Which of the following is a flowering plant with nodules containing filamentous nitrogen-fixing microorganism?
Crotalaria juncea | |
Casuarina equisetifolia | |
Cicer arietinum | |
Cycas revoluta |
Question 8 |
The minerals involved in water-splitting reaction during photosynthesis are
Magnesium Chlorine | |
Potassium and Manganese | |
Manganese and Chlorine | |
Molybdenum Manganese |
Question 9 |
If by radiation all nitrogenase enzyme are inactivated, then there will be no
Conversion from ammonium to nitrate in soil | |
Conversion from nitrate to nitrite in legumes | |
Fixation of atmospheric nitrogen | |
Fixation of nitrogen in legumes |
Question 10 |
In root nodules of legumes, leg-haemoglobin is important because it
Transports oxygen to the root nodule | |
Acts as an oxygen scavenger | |
Provides energy to the nitrogen fixing bacterium | |
Acts as a catalyst in transamination |
Question 11 |
Which of the following minerals activate the enzymes involved in respiration?
Nitrogen and phosphorus | |
Magnesium and manganese | |
Potassium and calcium | |
Sulphur and iron |
Question 12 |
Select the matched ones:
a. Nitrosomonas - Nitrite to nitrate
b. Thiobacillus - Denitrification
c. Nostoc - Free-living nitrogen-fixer
d. Azotobacter - Anaerobic nitrogen-fixer
a and b only | |
c and d only | |
b and c only | |
b and d only |
Question 13 |
Match the followings an choose the correct combination from the options given:
| List - I | List - II | ||
| a. | Sulphur |
1. |
Chlorophyll |
| b. | Zinc |
2. |
Nitrogenase |
| c. | Magnesium |
3. |
Methionine |
| d. | Molybdenum |
4. |
Auxin |
a – 1, b – 2, c – 3, d – 4 | |
a – 3, b – 4, c – 1, d – 2 | |
a – 3, b – 1, c – 2, d – 4 | |
a – 2, b – 4, c – 1, d – 3 |
Question 14 |
Match the followings an choose the correct combination from the options given:
| List - I | List - II | ||
| a. | Photolysis of water | 1. | Zinc |
| b. | Diazotrophy | 2. | Copper |
| c. | Cytochrome c oxidase | 3. | Manganese |
| d. | Biosynthesis of IAA | 4. | Molybdenum |
| 5. | Boron | ||
a – 3, b – 2, c – 1, d – 5 | |
a – 3, b – 4, c – 2, d – 1 | |
a – 5, b – 2, c – 3, d – 4 | |
a – 4, b – 1, c – 3, d – 2 |
Question 15 |
Assertion: Deficiency of sulphur causes chlorosis in plants.
Reason: Sulphur is a constituent of chlorophyll, proteins and nucleic acids.
Both the Assertion and the Reason are true and the Reason is a correct explanation of the Assertion. | |
Both the Assertion and the Reason are true but the Reason is not a correct explanation of Assertion. | |
Assertion is true but the Reason is false. | |
Both the Assertion and the Reason are false. |
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