NEET Biology MCQ - Neet Botany Mineral Nutrition Mcq - Quiz-3 Solution

Q.1.

The most abundant element found in plants is ... ...[ CBSE 2004]

25%
a) Carbon
25%
b) Nitrogen
25%
c) Iron
25%
d) Manganese

Explanation

Q.2.

Which element is required for germination of pollen grain .... .... [ Guj. CET 2007]

75%
a) Calcium
0%
b) Chlorine
25%
c) Potassium
0%
d) Boron

Explanation

Q.3.

Nitrite is changed to nitrate by ... ...[ CPMT 2007]

50%
a) Nitrobacter
0%
b) Nitrosomonas
50%
c) Pseudomonas
0%
d) Clostridium

Explanation

Q.4.

Passive absorption of minerals depends upon ... ..... [ CBSE 2001]

25%
a) Humidity
25%
b) Temperature
50%
c) Temperature and metabolic inhibitor
0%
d) Metabolic inhibitor

Explanation

Q.5.

Yellowish edges appears in leaves deficient in ... .. [ kerala 2004]

25%
a) Ca2+
75%
b) Mg2+
0%
c) K+
0%
d) Sulphur

Explanation

Q.6.

Enzyme catalysed reactions can be inhibited by ... ...[ AMU 1997]

33%
a) Mg2+
33%
b) Cu2+
33%
c) Hg2+
0%
d) Zn2+

Explanation

Q.7.

In plants chlorosis is caused by the deficiency of ... .... [ JKCMEE 2010]

0%
a) Nitrogen
67%
b) Manganese
0%
c) Magnesium
33%
d) All the above

Explanation

Q.8.

Mineral absorption is mostly ... .... [ Har PMT 1994]

0%
a) Physical process
0%
b) Chemical process
100%
c) Active process
0%
d) Passive process

Explanation

Q.9.

Enzyme nitrogenase is required for ... ...[ JKCMEE 2007]

33%
a) Nitrification
0%
b) Nitrite reduction
0%
c) Nitrate reduction
67%
d) Nitrogen fixation

Explanation

Q.10.

Phosphorus brings about ... .... [ CPMT 1991]

67%
a) Retardation of protein synthesis
0%
b) Healthy root growth
33%
c) Fruit ripening
0%
d) Retarded plant growth

Explanation

Q.11.

Which one does not fix nitrogen ... ...[ Har PMT 2003 ]

67%
a) Azotobacter
33%
b) Spirogyra
0%
c) Anabaena
0%
d) Nostoc

Explanation

Q.12.

Which of the following is present in the core of chlorophyll molecules? ... ... [ CBSE 2003]

0%
a) Fe
33%
b) Mg
67%
c) K
0%
d) Mn

Explanation

Q.13.

Which option shows correct correlation in columns ....[Guj CET 2008]

a) Calcium	I) Required for ionic balance	i) Grey bolt on leaves
b) Boron	II) Essential for constitution of nucleic acid	ii) Fruit yield decreases
c) Phosphorus	III) Required for absorption of Ca	iii) Red blot on leaves
d) Chlorine	IV) Required to activate respiratory enzymes	iv) Fruit size diminishes
e) Manganese	V) Required for synthesis of bipolar spindle	v) Young root tips begin to die

0%
a) a-V-v, B-III-iv, c-II-iii, d-I-ii, e-IV-i
33%
b) a-I-iv, b-II-v, c-III-iii, d-IV-i, e-V-ii
0%
c) a-V-v, b-IV-iv, c-III-i, d -II-iii, e-I-ii
67%
d) a-I-iii, b-I-iv, c-V-v, d-III-ii, e-II-i

Explanation

Q.14.

Plants require sulphur for .... .... [ DPMT 2001]

0%
a) ATP synthesis
67%
b) Protein synthesis
0%
c) Glucose synthesis
33%
d) DNA replication

Explanation

Q.15.

Farmers of a particular region are concerned that premature yellowing of leaves of pulse crop might cause decrease in the yield. Which treatment could be beneficial to obtain maximum seed yield? ... ..[ AIIMS 2007]

33%
a) Application of iron and magnesium to promote chlorophyll synthesis
0%
b) Frequency irrigation of crop
67%
c) Treatment of plants with cytokinins along with a small dose of nitrogen fertilizer
0%
d) Removal of all yellow leaves and spraying the remaining green leaves with 2, 4, 5-T

Explanation

Q.16.

Clay and organic matter of the soil have negative charges. They attract positively charged ions like ... ...[ AFMC 1999 [

0%
a) Ca2+
0%
b) Mg2+
33%
c) K+
67%
d) All the above

Explanation

Q.17.

If the size of fruits diminishes in plants, which mineral ion should be added to soil ... .... [ Guj CET 2006]

33%
a) Calcium
0%
b) Chlorine
0%
c) Copper
67%
d) Boron

Explanation

Q.18.

Which one group is of micro-elements? ... ... [ MPPMT 1995]

0%
a) Mn, Cu, Ca
0%
b) Na, K, B
0%
c) Na, Ni, Cl
100%
d) Cu, Mo, Zn, Fe

Explanation

Q.19.

A nitrogen fixing fungus is ... ...... Explanation is provided please click on

0%
a) Albugo
0%
b) Pullularia
100%
c) Amanita
0%
d) Pleurotus

Explanation

Q.20.

A fertilizer has a formula of three figures 15-9-They stand for percentage of ... ....

0%
a) N, Ca and Mg
50%
b) Mg, P and K
50%
c) Ca, N nad Fe
0%
d) N, P and K

Explanation

Q.21.

Which one is wrong combination ... ... [ kerala 2000 ]

50%
a) N2 - Amino acid
0%
b) Fe-cytochrome
50%
c) Na-Protein
0%
d) Mg-Chlorophyll

Explanation

Q.22.

The macronutrient which is essential component of all organic compounds but is not obtained by plants from soil is .... ...[ KCET 2005]

0%
a) Nitrogen
0%
b) Phosphorus
50%
c) Magnesium
50%
d) Carbon

Explanation

Q.23.

Nitrogen absorbed by plants is ... ... [ AMU 1999 ]

50%
a) Converted to nitrate
50%
b) Reduced to ammonia
0%
c) Changed to nitrite
0%
d) Combined with oxygen

Explanation

Q.24.

Match the column ... ... [ kerala 2006]

a) Potassium	Constituent of ferredoxin
b) Sulphur	Involved in stomatal movement
c) Molybdenum	Needed in synthesis of auxin
d) Zinc	Component of nitrogenase

50%
a) a - 2, b -1, c - 4, d - 3
0%
b) a - 1, b - 2, c - 3, d - 4
50%
c) a - 4, b - 3, c - 2, d - 1
0%
d) a - 1, b - 3, c - 4, d - 2

Explanation

Q.25.

Which is not a microelement? .... ... [ RPMT 1996]

0%
a) Cu
0%
b) Mn
0%
c) Bo
100%
d) Ca

Explanation

Q.26.

N2 + 8e- + 8H+ +16ATP → 2NH4 + H2 +16 ADP + 16Pi The above equation refers to ... ...[kerala 2007]

50%
a) Ammonification
0%
b) Nitrification
50%
c) Nitrogen fixation
0%
d) Denitrification

Explanation

Q.27.

Amino acids are mostly synthesised from ... ..... [ CBSE 1992]

50%
a) Mineral salts
0%
b) fatty acids
0%
c) Volatile acids
50%
d) α- ketoglutaric acid

Explanation

Q.28.

The pigment protein present in nodulated roots inhabited by Rhizobium is ... ... [ Har PMT 2003]

0%
a) Nitrate reductase
0%
b) Hydrogenase
50%
c) Leghaemoglobin
50%
d) Plastocyanin

Explanation

Q.29.

Which is not an essential element for plants ... ... [ AMU 2011]

0%
a) Iron
0%
b) Potassium
0%
c) Zinc
100%
d) Na/Ba/Cd/Al

Explanation

Q.30.

Which is correctly matched .... .... [ CBSE 2012]

0%
a) Passive transport - ATP
50%
b) Apoplast - Plasmodesmata
50%
c) Potassium - Readily immobilisation
0%
d) Bakane of Rice seedling - F. Skoog

Explanation

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