This chapter is currently out of syllabus
1
NEET 2020 Phase 1
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
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
(A) $$ \to $$ (iv), (B) $$ \to $$ (iii), (C) $$ \to $$ (ii), (D) $$ \to $$ (i)
B
(A) $$ \to $$ (iv), (B) $$ \to $$ (i), (C) $$ \to $$ (ii), (D) $$ \to $$ (iii)
C
(A) $$ \to $$ (iii), (B) $$ \to $$ (iv), (C) $$ \to $$ (ii), (D) $$ \to $$ (i)
D
(A) $$ \to $$ (ii), (B) $$ \to $$ (i), (C) $$ \to $$ (iv), (D) $$ \to $$ (iii)
2
NEET 2020 Phase 1
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
The product(s) of reaction catalyzed by nitrogenase in root nodules of leguminous plants is/are
A
Ammonia alone
B
Nitrate alone
C
Ammonia and oxygen
D
Ammonia and hydrogen
3
NEET 2018
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
Which of the following elements is responsible for maintaining turgor in cells?
A
Sodium
B
Calcium
C
Magnesium
D
Potassium
4
NEET 2018
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
In which of the following forms is iron absorbed by plants?
A
Ferrous
B
Both ferric and ferrous
C
Ferric
D
Free element
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