Deficiency of which vitamin causes degeneration of spinal cord?
E
K
B12
A
C.
B12
Degeneration of spinal cord is also known as lichtheims disease. It arises due to deficiency of vitamin-B12 (i.e., cyanocobalamine, C63H88N14PCO). It is usually associated with pernicious anemia. Sources of vitamin-B12 are liver of ox, sheep, pig, fish, etc.
One mole of stachyose on hydrolysis yields
1 mole of glucose+ 1 mole of fructose+ 2 mole of galactose
2 mole of glucose + 1 mole of fructose + 1 mole of galactose
1 mole of glucose+ 2 mole of fructose+ 1 mole of galactose
2 mole of glucose+ 2 mole of fructose
Which of the vitamins given below is water soluble?
Vitamin C
Vitamin D
Vitamin E
Vitamin E
Which one of the following bases is not present in DNA?
Quinoline
Adenine
Cytosine
Cytosine
Synthesis of each molecule of glucose in photosynthesis involves
18 molecules of ATP
10 molecules of ATP
8 molecules of ATP
8 molecules of ATP
Which of the following compounds can be detected by Molisch’s test?
Nitro compounds
Sugars
Amines
Amines
The presence or absence of hydroxy group on which carbon atom of sugar differentiates RNA and DNA.
1st
2nd
3rd
3rd
Which of the following compounds will behave as a reducing sugar in an aqueous KOH solution?