Mineral Nutrition NEET Questions :
Mineral nutrition is one of the important topic for NEET from which around 3% of the questions appear in the NEET examination every year. So, solving MCQ on Mineral nutrition Pdf and following some test series will give an edge in the examination to the NEET aspirants. The number of questions asked from the Mineral nutrition in last year was 3. So, it is advisable to work out as many MCQs as possible through the Mineral nutrition online test series.
Mineral nutrition MCQ Questions for NEET preparation is immensely helpful for NEET Exam aspirants. As the NEET Examination is an objective-type paper that also carries negative marking; we have compiled a list of NEET MCQ to give aspirants an idea about the intricacies of the Mineral nutrition. There are 50+ questions compiled in the PDF given below. Mineral nutrition NEET questions are based on wide-ranging topics of the NEET syllabus. Aspirants can get an idea of what comprises MCQ on Mineral nutrition for Class 11.
Mineral Nutrition NEET MCQ Questions Pdf :
1. A plant requires magnesium for______
(1) Cell wall development
(2) Holding cells together
(3) Protein synthesis
(4) Chlorophyll synthesis
Answer: 4
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2. Which of the following is a flowering plant with nodules containing filamentous nitrogen-fixing microorganism ?
(1) Cicer arietinum
(2) Casuarina equisetifolia
(3) Crotalaria juncea
(4) Cycas revoluta
Answer: 2
3. About 98 percent of the mass of every living organism is composed of just six elements including carbon, hydrogen, nitrogen, oxygen and________
(1) Calcium and phosphorus
(2) Phosphorus and sulphur
(3) Sulphur and magnesium
(4) Magnesium and sodium
Answer: 1
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4. Which one of the following elements is not an essential micronutrient for plant growth ?
(1) Ca
(2) Mn
(3 Zn
(4) Cu
Answer: 1
5. Nitrogen flxation in root nodules of Alnus is brought about by_________
(1) Frankia
(2) Azorhizobium
(3) Bradyrhizobium
(4) Clostridium
Answer: 1
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6. Manganese is required in________
(1) Plant cell wall formation
(2) Photolysis of water during photosynthesis
(3) Chlorophyll synthesis
(4) Nucleic acid synthesis
Answer: 2
7. Which of the following is a symbiotic nitrogen fixer?
(1) Azotobacter
(2) Frankia
(3) Azolla
(4) Glomus
Answer: 2
Read : Reproduction in Flowering Plants NEET MCQ
8. Which of the following is true about micronutrients?
(1) their concentration is below 25 millimole in dry weight
(2) their concentration is below 30 millimole in dry weight
(3) their concentration is below 10 millimole in dry weight
(4) their concentration is below 20 millimole in dry weight
Answer: 3
9. Minerals known to be required in large amounts for plant growth include_________
(1) calcium, magnesium, manganese, copper
(2) potassium, phosphorus, selenium, boron
(3) magnesium, sulphur, iron, zinc
(4) phosphorus, potassium, sulphur, calcium
Answer: 4
10. During biological nitrogen fixation, inactivation of nitrogenase by oxygen poisoning is prevented by______
(1) Cytochrome
(2) Leghaemoglobin
(3) Xanthophyll
(4) Carotene
Answer: 2
11. The oxygen evolved during photosynthesis comes from water molecules. Which one of the following pairs of elements is involved in this reaction?
(1) Magnesium and Chlorine
(2) Manganese and Chlorine
(3) Manganese and Potassium
(4) Magnesium and Molybdenum
Answer: 2
12. Which is essential for the growth of root tip ?
(1) Ca
(2) Mn
(3) Zn
(4) Fe
Answer: 1
13. Denitrification process is carried by_________
(1) Nitrosomonas
(2) Nitrobacter
(3) Pseudomonas, Thiobacillus
(4) Bacillus
Answer: 3
14. Which of the following set contains macro nutrients?
(1) P, N, K and Mg
(2) K, Mn, Fe and Co
(3) P, Fe, Mn and K
(4) Fe, Co, Si and N
Answer: 1
15. Which of the following set represents micronutrients?
(1) B, Ni, Mo, Mn, Fe
(2) B, N, Mo, Mn, P
(3) S, Ca, B, Mo, Fe
(4) N, Mo, Mn, K, Mg
Answer: 1
16. Which of the following pair is an example of nitrifying bacteria?
(1) Pseudomonas and BGA
(2) Nitrobacter and E.coli
(3) Nitrosomonas and Nitrococcus
(4) Pseudomonas and Klebsiella
Answer: 3
17. Which of the following are free living and symbiotic nitrogen (N2) fixers?
(1) Beijernickia and Azotobacter
(2) Azotobacter and Rhizobium
(3) Glomus and Azolla
(4) Glomus and Azotobacter
Answer: 2
18. Which one of the following is wrong statement ?
(1) Phosphorus is a constituent of cell membranes, certain nucleic acids and all proteins
(2) Nitrosomonas and Nitrobacter are chemoautotrophs
(3) Anabaena and Nostoc are capable of fixing nitrogen in free-living state also
(4) Root nodule forming nitrogen fixers live as aerobes under free-living conditions
Answer: 1
19. For its action, nitrogenase requires________
(1) Mn2+
(2) Super oxygen redicals
(3) High input of energy
(4) Light
Answer: 3
20. The first stable product of fixation of atmospheric nitrogen in leguminous plants is_______
(1) Glutamate
(2) NO2–
(3) Ammonia
(4) NO3–
Answer: 3
21. Deficiency symptoms of nitrogen and potassium are visible first in__________
(1) Senescent leaves
(2) Young leaves
(3) Roots
(4) Buds
Answer: 1
MCQ on Mineral Nutrition Class 11 NEET Questions:
1. The enzyme, nitrogenase which is capable of nitrogen reduction, is present_____
(1) only in some eukaryotes
(2) exclusively in prokaryotes
(3) exclusively in eukaryotes
(4) in all the living organisms
Answer: 2
2. Rhizobium has symbiotic relationship with the roots of________
(1) Garden pea
(2) Alfalfa
(3) Sweet clover
(4) All of the above
Answer: 4
3. In root nodules of legumes, leghaemoglobin is important because it_________
(1) acts as a catalyst in transamination
(2) transports oxygen to the root nodule
(3) provide energy to the nitrogen fixing bacteria
(4) acts as an oxygen scavenger
Answer: 3
4. Which of the following processes are responsible for the release of nitrate (NO3–) in soil during nitrogen cycle?
(1) Biological nitrogen fixation and Denitrification
(2) Nitrification and Industrial nitrogen fixation
(3) Electrical nitrogen fixation and nitrification
(4) Ammonification and Denitrification
Answer: 3
5. In biological nitrogen fixation, the ammonia synthesis by nitrogenase enzyme requires a very high input of energy and that is___________
(1) 16 ATP for each NH3 produced
(2) 32 ATP for each NH3 produced
(3) 8 ATP for each NH3 produced
(4) 4 ATP for each NH3 produced
Answer: 3
6. During the formation of amides from amino acids_____________
(1) COOH part of acid is replaced by NH2
(2) NH2 part of acid is replaced by COOH
(3) OH part of acid group is replaced by NH2
(4) NH2 part of acid is replaced by OH
Answer: 3
7. Mineral absorption is_______
(1) Mostly passive with water absorption
(2) Mostly passive without water absorption
(3) Mostly active
(4) Always active
Answer : 3
8. Molybdenum is essential_________
(1) For RuBisCO of cyanobacteria
(2) For nitrogenase enzyme
(3) For RuBisCO of eukaryotic organism
(4) For transaminase activity
Answer: 2
9. Premature fall of leaves and buds is a mineral deficiency symptom occuring in the region where soil is deficient in__________
(1) phosphorus
(2) potassium
(3) boron
(4) nitrogen
Answer: 1
10. Which of the following criteria not exhibits essentiality of any mineral to plants ?
(1) Never substituted by any other mineral
(2) Must be directly involved in metabolism of the plant
(3) Plants do not complete their life cycle properly in the absence of this mineral
(4) Mineral must be present for activity of all enzymes
Answer: 4
11. Microbe producing nitrogen fixing nodule on thec roots of non-leguminous plant is________
(1) Rhizobium
(2) Azotobacter
(3) Rhodospirillum
(4) Frankia
Answer: 4
12. In the following which is not a function of calcium?
(1) Synthesis of cell wall
(2) Formation of mitotic spindle
(3) Formation of chlorophyll
(4) Normal functioning of cell membrane
Answer: 3
13. Symptons of manganese toxicity may actually be the deficiency symptoms of__________
(1) Iron
(2) Magnesium
(3) Calcium
(4) All the above
Answer: 4
14. Which of the following is/are free living in soil, but as symbionts, can fix atmospheric nitrogen ?
(1) Rhizobium
(2) Frankia
(3) Both (1) and (2)
(4) Azotobacter
Answer: 3
15. Which element delay flowering if its concentration in plants is low_______
(1) Nitrogen
(2) Sulphur
(3) Molybdenum
(4) All the above
Answer: 4
16. Toxicity of (A) affects the activity and uptake of (B)________
(1) A = Mg, B = Fe, Ca and Zn
(2) A = Mn, B = Mg, Ca and Zn
(3) A = Mn, B = Mg and Fe
(4) A = Mg, B = Mn, Fe and Ca
Answer: 3
17. Glutamate dehydrogenase is an important enzyme involved in_________
(1) Krebs cycle
(2) amino acid biosynthesis
(3) nitrogen fixation
(4) nitrate reduction
Answer: 2
18. Which mineral element is needed for synthesis of Auxin?
(1) B
(2) Zn
(3) Cu
(4) Cl
Answer: 2
19. Which mineral element is required for uptake & utilisation of Ca+2, membrane functioning & pollen germination ?
(1) B
(2) Zn
(3) Cu
(4) Fe
Answer: 1
20. Which process results in decrease of nitrogen content in soil ?
(1) Ammonification
(2) Biological nitrogen fixation
(3) Denitrification
(4) Nitrification
Answer: 3
21. Any mineral ion concentration in tissues that reduces the dry weight of tissues by about 10 percent is considered as_______
(1) Critical concentration
(2) Toxic concentration
(3) Beneficial concentration
(4) Transition concentration
Answer: 2
22. Select out the correct match regarding functional categories of essential elements_________
(1) Structural elements ------ Mg,K,Fe
(2) Energy related elements ------ C,H,O,N
(3) Enzyme activation elements ------ Mo,Mg
(4) Osmotic regulation related element ------ Mg,P
Answer: 3
23. Which of the following is not an anaerobic N2 fixing organism ?
(1) Azotobacter
(2) Clostridium
(3) Rhospirillium
(4) Rhodopseudomonas
Answer: 1
24. Passive absorption of ions usually occurs through_________
(1) Pumps
(2) Phospholipids
(3) Ion channels
(4) All the above
Answer: 3