BIO202 MCQs File 1

202 MCQs Mids BIO

Q Glucose residues in amylose are linked by α (1,4) linkage β (1,4) linkage α (1,6) linkage

Q The number of carbon atoms in lysine is

Q If the carbonyl group is present at the end of the monosaccharide then it is called Acid anhydride Aldose Ketose

Q The number of stereoisomers for a molecule containing only one chiral carbon is

Q Seminal fluid is rich in Fructose Lactose Xylose Arabinose

Q Which of the following glycosidic linkage exists between two glucose units of maltose?

alpha 1,4 beta 1,4 alpha 1,6 alpha1,4 and alpha 1,6 Q Amino sugar is formed by the replacement of the hydroxyl group at ------ of the parent monosaccharide with amino group. C-1 C-2 C-3 C-6

Q Which one of the following is a structural homopolysaccharide? Cellulose Starch Glycogen

Q Which one of the following amino acids is not specified by three letter codon? Serine Proline Selenocysteine

Q: Acid dissociation constants are designated as

PKa K Pa

Q The pI of glutamate is

1. 2
2. 6
3. 22
4. 7

Q Which of the following amino acid is negatively charged at physiological pH? Aspartate Lysine Alanine Proline Q Which of the following refers to particularly stable arrangements of amino acid residues giving rise to recurring structural patterns? Primary structure Secondary structure Tertiary structure Quaternary structure

Q Keratin is present in Hair Nail Hoof

Q Which of the following amino acid is involved in the hydrophobic interactions in the tertiary structure of protein? Phenylalanine Cysteine Glycine

Q

Q Which of the following diseases is caused by protein misfolding? Alzheimer's disease Huntington's disease Parkinson's disease

Q Iron is a

non-metal metalloid transition metal halogen