Mineral Nutrition NEET practice questions

Mineral Nutrition NEET Previous Year Questions

The students who are targeting for NEET exam should prepare for all the important chapters of NEET syllabus to secure good marks in NEET 2022. Candidates planning to appear in the medical exam must have knowledge about the weightage of chapters. Biology section carries the maximum weightage.

Mineral Nutrition is the 12th chapter categorized under the unit ' Plant Physiology'. Mineral Nutrition is good topic, good quality of questions can be asked from this topic. According to the NEET chapterwise weightage  Mineral Nutrition contributes to around 1.39% of the total number of questions asked in the last years. On average we can expect 1-2 questions from this particular chapter. 

Here you will find all previous year Mineral Nutrition NEET Questions. Solving previous years Mineral Nutrition NEET Questions will be beneficial for you. Firstly you get an idea of what type of questions are asked in previous year. 

Every year around many of questions of biology  are repeated as it is without even changing single word. These Mineral Nutrition NEET questions will definitely guide you in what direction you need extra push.   

Mineral Nutrition NEET Questions And Answers

AIPMT 2007

1. A plant requires magnesium for :

(1) Cell wall development
(2) Holding cells together
(3) Protein synthesis
(4) Chlorophyll synthesis

Solution: Correct option is 4

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

Solution: Correct option is 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

Solution: Correct option is 1

4. Which one of the following elements is not an essential micronutrient for plant growth ?

(1) Ca

(2) Mn

(3 Zn

(4) Cu

Solution: Correct option is 1

AIPMT 2008

5. Nitrogen flxation in root nodules of Alnus is brought about by :-

(1) Frankia

(2) Azorhizobium

(3) Bradyrhizobium

(4) Clostridium

Solution: Correct option is 1

AIPMT 2009

6. Manganese is required in :-

(1) Plant cell wall formation
(2) Photolysis of water during photosynthesis
(3) Chlorophyll synthesis
(4) Nucleic acid synthesis

Solution: Correct option is 2

7. Which of the following is a symbiotic nitrogen fixer?

(1) Azotobacter

(2) Frankia

(3) Azolla

(4) Glomus

Solution: Correct option is 2

AIPMT-Pre 2010

8. An element playing important role in nitrogen fixation is :

(1) Molybdenum

(2) Copper

(3) Manganese

(4) Zinc

Solution: Correct option is 1

9. Which one of the following is not a micronutrient?

(1) Molybdenum

(2) Magnesium

(3) Zinc

(4) Boron

Solution: Correct option is 2

10. One of the free-living, anaerobic nitrogen - fixer is :

(1) Beijernickia

(2) Rhodospirillum

(3) Rhizobium

(4) Azotobacter

Solution: Correct option is 2

11. The common nitrogen - fixer in paddy fields is :

(1) Rhizobium

(2) Azospirillum

(3) Oscillatoria

(4) Frankia

Solution: Correct option is 3

AIPMT-Mains 2010

12. Study the cycle shown below and select the option which gives correct words for the all the four blanksv A, B, C and D.

(1) Denitrification Ammonification Plants Animals
(2) Nitrification Denitrification Animals Plants
(3) Denitrification Nitrification Plants Animals
(4) Nitrification Ammonification Animals Plants

Solution: Correct option is 1

13. Leguminous plants are able to fix atmospheric nitrogen through the process of symbiotic nitrogen fixation. Which one of the following statements is not correct during this process of nitrogen fixation ?

(1) Nodules act as sites for nitrogen fixation
(2) The enzyme nitrogenase catalyses the converison of atmospheric N2 to NH3
(3) Nitrogenase is insensitive to oxygen
(4) Leghaemoglobin scavenges oxygen and is pinkish in colour

Solution: Correct option is 3

AIPMT-Pre 2011

14. A prokaryotic autotrophic nitrogen fixing symbiont is found in :-

(1) Alnus

(2) Cycas

(3) Cicer

(4) Pisum

Solution: Correct option is 2

15. Which one of the following elements in plants is not remobilised ?

(1) Phosphorus

(2) Calcium

(3) Potassium

(4) Sulphur

Solution: Correct option is 2

16. An organism used as a biofertilizer for raising soyabean crop is :-

(1) Azotobacter
(2) Azospirillum
(3) Rhizobium
(4) Nostoc

Solution: Correct option is 3

17. Nitrifying bacteria :-

(1) Oxidize ammonia to nitrates
(2) Convert free nitrogen to nitrogen compounds
(3) Convert proteins into ammonia
(4) Reduce nitrates to free nitrogen

Solution: Correct option is 1

18. The function of leghaemoglobin in the root nodules of legumes is :-

(1) Inhibition of nitrogenase activity
(2) Oxygen removal
(3) Nodule differentiation
(4) Expression of nif gene

Solution: Correct option is 2

AIPMT-Mains  2011

19. Which one of the following is not an essential mineral element for plants while the remaining three are ?

(1) Phosphorus

(2) Iron

(3) Manganese

(4) Cadmium

Solution: Correct option is 4

20. Which one of the following is essential for photolysis of water ?

(1) Boron

(2) Manganese

(3) Zinc

(4) Copper

Solution: Correct option is 2

AIPMT-Pre 2012

21. Best defined function of Manganese in green plants is :-

(1) Nitrogen fixation

(2) Water absorption

(3) Photolysis of water

(4) Calvin cycle

Solution: Correct option is 3

22. 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

Solution: Correct option is 1

AIPMT-Mains 2012

23. For its action, nitrogenase requires :-

(1) Mn2+
(2) Super oxygen redicals
(3) High input of energy
(4) Light

Solution: Correct option is 3

NEET-UG 2013

24. The first stable product of fixation of atmospheric nitrogen in leguminous plants is :

(1) Glutamate
(2) NO2–
(3) Ammonia
(4) NO3–

Solution: Correct option is 3

AIPMT 2014

25. Deficiency symptoms of nitrogen and potassium are visible first in :

(1) Senescent leaves

(2) Young leaves

(3) Roots

(4) Buds

Solution: Correct option is 1

AIPMT 2015

26. 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

Solution: Correct option is 4

Re-AIPMT 2015

27. During biological nitrogen fixation, inactivation of nitrogenase by oxygen poisoning is prevented by:

(1) Cytochrome

(2) Leghaemoglobin

(3) Xanthophyll

(4) Carotene

Solution: Correct option is 2

28. 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

Solution: Correct option is 2

NEET-II 2016

29. Which is essential for the growth of root tip?

(1) Ca

(2) Mn

(3) Zn

(4) Fe

Solution: Correct option is 1

NEET(UG) 2017

30. Select the mismatch :

(1) Rhodospirillum - Mycorrhiza
(2) Anabaena - Nitrogen fixer
(3) Rhizobium - Alfalfa
(4) Frankia - Alnus

Solution: Correct option is 1

NEET(UG) 2018

31. In which of the following forms is iron absorbed by plants ?

(1) Ferric
(2) Ferrous
(3) Free element
(4) Both ferric and ferrous

Solution: Correct option is 1

32. Which of the following elements is responsible for maintaining turgor in cells ?

(1) Magnesium

(2) Sodium

(3) Potassium

(4) Calcium

Solution: Correct option is 3

NEET(UG) 2019

33. Thiobacillus is a group of bacteria helpful in carrying out :

(1) Nitrogen fixation
(2) Chemoautotrophic fixation
(3) Nitrification
(4) Denitrification

Solution: Correct option is 4

NEET(UG) 2019 (Odisha)

34. Which of the following bacteria reduce nitrate in soil into nitrogen ?

(1) Nitrobacter

(2) Nitrococcus

(3) Thiobacillus

(4) Nitrosomonas

Solution: Correct option is 3

 In this article we have provided you important previous year Mineral Nutrition NEET Questions. Solve the above all previous year Mineral Nutrition NEET Questions. To perform better in exam solve more Mineral Nutrition NEET questions. 

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