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Mineral Nutrition · Biology · NEET
MCQ (Single Correct Answer)
1
Which of the following mineral ion is not remobilized in plants?
NEET 2023 Manipur
2
Match Column I with Column II.
| Column - I | Column - II | ||
|---|---|---|---|
| (A) | Nitrococcus | (I) | Denitrification |
| (B) | Rhizobium | (II) | Conversion of ammonia to nitrite |
| (C) | Thiobacillus | (III) | Conversion of nitrite to nitrate |
| (D) | Nitrobacter | (IV) | Conversion of atmospheric nitrogen to ammonia |
NEET 2023 Manipur
3
Which micronutrient is required for splitting of water molecule during photosynthesis?
NEET 2023
4
Match List I with List II:
| List I | List II | ||
|---|---|---|---|
| (A) | Iron | (I) | Synthesis of auxin |
| (B) | Zinc | (II) | Component of nitrate reductase |
| (C) | Boron | (III) | Activator of catalase |
| (D) | Molybdenum | (IV) | Cell elongation and differentiation |
Choose the correct answer from the options given below:
NEET 2023
5
Which of the following protects nitrogenase inside the root nodule of a leguminous plant?
NEET 2022 Phase 2
6
Match List-I with List-II
| List - I | List - II | ||
|---|---|---|---|
| (a) | Manganese | (i) | Activates the enzyme catalase |
| (b) | Magnesium | (ii) | Required for pollen germination |
| (c) | Boron | (iii) | Activates enzymes of respiration |
| (d) | Iron | (iv) | Functions in splitting of water during photosynthesis |
Choose the correct answer from the options given below:
NEET 2022 Phase 1
7
Which one of the following produces nitrogen fixing nodules on the roots of Alnus?
NEET 2022 Phase 1
8
Match Column - I with Column - II.
Choose the correct answer from options given below.
| Column-I | Column-II | ||
|---|---|---|---|
| (a) | Nitrococcus | (i) | Denitrification |
| (b) | Rhizobium | (ii) | Conversion of ammonia to nitrite |
| (c) | Thiobacillus | (iii) | Conversion of nitrite to nitrate |
| (d) | Nitrobacter | (iv) | Conversion of atmospheric nitrogen to ammonia |
Choose the correct answer from options given below.
NEET 2021
9
Match the following concerning essential elements and their functions in plants
(a) Iron (i) Photolysis of water
(b) Zinc (ii) Pollen germination
(c) Boron (iii) Required for chlorophyll biosynthesis
(d) Manganese (iv) IAA biosynthesis
Select the correct option
(a) Iron (i) Photolysis of water
(b) Zinc (ii) Pollen germination
(c) Boron (iii) Required for chlorophyll biosynthesis
(d) Manganese (iv) IAA biosynthesis
Select the correct option
NEET 2020 Phase 1
10
The product(s) of reaction catalyzed by
nitrogenase in root nodules of leguminous
plants is/are
NEET 2020 Phase 1
11
Which of the following elements is responsible
for maintaining turgor in cells?
NEET 2018
12
In which of the following forms is iron absorbed
by plants?
NEET 2018
13
Which is essential for the growth of root tip?
NEET 2016 Phase 2
14
In which of the following all three are macronutrients?
NEET 2016 Phase 1
15
During biological nitrogen fixation, inactivation of nitrogenase by oxygen poisoning is prevented by
AIPMT 2015
16
The oxygen evolved during photosynthesis, comes from water molecules. Which one of the following pairs of elements is involved in this reaction?
AIPMT 2015
17
Minerals known to be required in large amounts for plant growth include
AIPMT 2015 Cancelled Paper
18
Deficiency symptoms of nitrogen and potassium are visible first in
AIPMT 2014
19
Specialized cells for fixing atmospheric nitrogen in Nostoc are
NEET 2013 (Karnataka)
20
Which of the following elements is a constituent of biotin?
NEET 2013 (Karnataka)
21
Which two distinct microbial processes are responsible for the release of fixed nitrogen as dinitrogen gas (N2) to the atmosphere?
NEET 2013 (Karnataka)
22
The first stable product of fixaation of atmospheric nitrogen in leguminous plants is
NEET 2013
23
For its action, nitrogenase requires
AIPMT 2012 Mains
24
Which one of the following is correctly matched?
AIPMT 2012 Prelims
25
Best defined function of manganese in green plants is
AIPMT 2012 Prelims
26
Which one of the following is not an essential mineral element for plants while the remaining three are?
AIPMT 2011 Mains
27
Which one of the following helps in absorption of phosphorus from soil by plants?
AIPMT 2011 Prelims
28
Nitrifying bacteria
AIPMT 2011 Prelims
29
The function of leghaemoglobin in the root nodules of legumes is
AIPMT 2011 Prelims
30
Which one of the following elements in plants is not remobilised?
AIPMT 2011 Prelims
31
Leguminous plants are able to fix atmospheric nitrogen through the process of symbiotic nitrogen through the process of symbiotic nitrogen fixation. which one of the following statements is not correct during this process of nitrogen fixation?
AIPMT 2010 Mains
32
Study the cycle shown below and select the option which gives correct words for all the four blanks A, B, C and D.
AIPMT 2010 Mains
33
An element playing important role in nitrogen fixation is
AIPMT 2010 Prelims
34
Which one of the following is not a micronutrient?
AIPMT 2010 Prelims
35
Manganese is required in
AIPMT 2009
36
A plant requires magnesium for
AIPMT 2007
37
Which one of the following elements is not an essential micronutrient for plant growth?
AIPMT 2007
38
Sulphur is an important nutrient for optimum growth and productivity in
AIPMT 2006
39
The deficiencies of micronutrients, not only affects growth of plants but also vital functions such as photosynthetic and mitochondrial electron flow. Among the list given below, which group of three elements shall affect most, both photosynthetic and mitochondrial electron transport?
AIPMT 2005
40
If by radiation all nitrogenase enzyme are inactivated, then there will be no
AIPMT 2004
41
Gray spots of oat are caused by deficiency of
AIPMT 2003
42
Boron in green plants assists in
AIPMT 2003
43
Choose the correct match.
Bladderwort, sundew, Venus flytrap
Bladderwort, sundew, Venus flytrap
AIPMT 2002
44
Which aquatic fern performs nitrogen fixation?
AIPMT 2001
45
Roots of which plant contains a red pigment which have affinity for oxygen?
AIPMT 2001
46
Plants take zinc in the form of
AIPMT 2000
47
When the plants are grown in magnesium deficient but urea rich soil, the symptoms expressed are
AIPMT 2000
48
Mg is a component of
AIPMT 2000