30 Questions
What is the role of vitamin K in the body?
Essential for synthesis of prothrombin in the liver
What is the primary function of Vitamin B in the human body?
Required for amino acid metabolism
What is the characteristic of phospholipids in cell walls?
They are major constituents of cell walls
Which of the following vitamins is NOT a fat-soluble vitamin?
Vitamin C
What is the relationship between the nucleotide triplet and the amino acids?
Genetic code
What is the primary component of co-enzyme FAD?
Phosphoric acid
What is the function of insulin in the body?
It is a protein hormone
What is the primary function of Vitamin B in preventing diseases?
Preventing Beri-beri
What is the characteristic of monosaccharides?
They differ in configuration at C and C
What is the primary source of Vitamin B?
All of the above
What is the role of Vitamin B in the body?
Important component of Co-A required for oxidative metabolism
What is the deficiency disease of Vitamin B?
Pellagra
Which of the following is a rich source of Vitamin B?
Yeast, liver, kidneys, eggs, meat, milk, sugarcane, groundnut, tomatoes
What is the role of Vitamin H in the body?
Essential for fat synthesis and energy production
What is the deficiency disease of Vitamin H?
Skin lesions, loss of appetite, weakness, hairfall, paralysis
What is the primary function of collagen in the living system?
To hold living systems together
What type of bond is responsible for stabilizing the secondary structure of proteins?
Hydrogen bond
What is the function of haemoglobin in the living system?
To carry ions or molecules from one place to another
What is the characteristic of proteins with an alpha-helix structure?
They are elastic and can be stretched
What is the function of enzymes in the living system?
To catalyze biochemical reactions
What is unique about the structure of silk?
It has a beta-pleated sheet structure
What is a characteristic of globular proteins?
They are tightly folded into a compact spherical form
What is a characteristic of proteins in general?
They are nonvolatile and do not have a sharp melting point
What happens when proteins containing -SH group react with sodium nitroprusside solution?
A violet colour is developed
What is a characteristic of proteins at their isoelectric point?
Their ionization is minimum
What type of proteins have a compact structure with α-helices held together by weak attractive forces?
Globular proteins
What is the type of protein that contains a prosthetic group or cofactor, and yields amino acids and non-protein material on hydrolysis?
Conjugated protein
What is the term for the end of a polypeptide chain that has a free amino group?
N-terminal end
What type of bond holds the polypeptide chains together in fibrous proteins?
All of the above
What is the characteristic of fibrous proteins in terms of their solubility in water?
They are insoluble in water
This quiz covers the basics of vitamins, their classification, and effects of deficiency. Learn about fat-soluble and water-soluble vitamins and their sources.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
