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1
JEE Main 2018 (Offline)
MCQ (Single Correct Answer)
+4
-1
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The predominant form of histamine present in human blood is (pKa, Histidine = 6.0)
A
JEE Main 2018 (Offline) Chemistry - Biomolecules Question 139 English Option 1
B
JEE Main 2018 (Offline) Chemistry - Biomolecules Question 139 English Option 2
C
JEE Main 2018 (Offline) Chemistry - Biomolecules Question 139 English Option 3
D
JEE Main 2018 (Offline) Chemistry - Biomolecules Question 139 English Option 4
2
JEE Main 2018 (Online) 15th April Evening Slot
MCQ (Single Correct Answer)
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-1
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The dipeptide, Gln-Gly, on treatment with CH3COCl followed y aqueous work up gives :
A
JEE Main 2018 (Online) 15th April Evening Slot Chemistry - Biomolecules Question 135 English Option 1
B
JEE Main 2018 (Online) 15th April Evening Slot Chemistry - Biomolecules Question 135 English Option 2
C
JEE Main 2018 (Online) 15th April Evening Slot Chemistry - Biomolecules Question 135 English Option 3
D
JEE Main 2018 (Online) 15th April Evening Slot Chemistry - Biomolecules Question 135 English Option 4
3
JEE Main 2018 (Online) 15th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
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Which of the following is the correct structure of Adenosine?
A
JEE Main 2018 (Online) 15th April Morning Slot Chemistry - Biomolecules Question 136 English Option 1
B
JEE Main 2018 (Online) 15th April Morning Slot Chemistry - Biomolecules Question 136 English Option 2
C
JEE Main 2018 (Online) 15th April Morning Slot Chemistry - Biomolecules Question 136 English Option 3
D
JEE Main 2018 (Online) 15th April Morning Slot Chemistry - Biomolecules Question 136 English Option 4
4
JEE Main 2017 (Online) 9th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
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The incorrect statement among the following is :
A
$$\alpha $$-D-glucose and $$\beta $$-D-glucose are anomers.
B
$$\alpha $$-D-glucose and $$\beta $$-D-glucose are enantiomers.
C
Cellulose is a straight chain polysaccharide made up of only $$\beta $$-D-glucose units.
D
The penta acetate of glucose does not react with hydroxyl amine
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