This chapter is currently out of syllabus
1
NEET 2016 Phase 2
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Which is essential for the growth of root tip?
A
Zn
B
Fe
C
Ca
D
Mn
2
NEET 2016 Phase 1
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
In which of the following all three are macronutrients?
A
Molybdenum, magnesium, manganese
B
Nitrogen, phosphorus, sulphur
C
Boron, Zinc, manganese
D
Iron, copper, molybdenum
3
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
The oxygen evolved during photosynthesis, comes from water molecules. Which one of the following pairs of elements is involved in this reaction?
A
Magnesium and Molybdenum
B
Magnesium and Chlorine
C
Manganese and chlorine
D
Manganese and Potassium
4
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
During biological nitrogen fixation, inactivation of nitrogenase by oxygen poisoning is prevented by
A
carotene
B
cytochrome
C
leghaemoglobin
D
xanthophyll.
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Class 12