Biomolecules Mock Test-1

NEET Biology Biomolecules Mock Test-1

The function of GLUT-4 is

(A) It promotes glucose transport
(B) It protects the body from infectious agents
(C) It acts as an enzyme
(D) None of the above



Most abundant protein in the whole biosphere is

(A) Collagen
(B) Myosin
(C) RUBISCO
(D) Actin



Reducing sugars are characterised by the presence of free

(A) Aldehyde or Keto group
(B) Aldehyde and Keto group
(C) Keto grouponly
(D) All the above



Glucose is

(A) Furanose, pentose sugar
(B) Pyranose, pentose sugar
(C) Ketose, hexose sugar
(D) Aldose, hexose sugar



Inulin is a polymer of

(A) Ribulose
(B) Glucose
(C) Fructose
(D) Ribose



Which of the following plysaccharide is a component of paper ?

(A) Glycogen
(B) Hemicellulose
(C) Cellulose
(D) Pectin



Organic acids having a hydrocarbon chain and a carboxylic group are called

(A) amino acids
(B) Fatty acids
(C) Nucleic acids
(D) Vitamins



Which of the following polysaccharide gives blue colour with Iodine

(A) Glycogen
(B) starch
(C) Cellulose
(D) Chitin



Exoskeleton of arthropods contains a complex hetero polysaccharide called

(A) Pectin
(B) Chitin
(C) Cellulose
(D) Starch



Type of sugar found in Ribonucleic acid is

(A) Ribose sugar
(B) Deoxyribose sugar
(C) Erythrose sugar
(D) None of the above



Nucleotide consists of

(A) N2 base only
(B) N 2 base + sugar
(C) N 2 base + sugar+ phosphate
(D) Sugar + Phosphate



Find the odd “Nitrogen base”

(A) Thymine
(B) Cytosine
(C) Uracil
(D) Adenine



Ribose sugar differs from deoxy ribose sugar

(A) by the absence of OH group at “2C” atom
(B) by the presence of H atom at ” 2C” atom
(C) by the presence of OH group at “2C” atom
(D) None of these



Type of bonds seen in primary structure of proteins

(A) Amide bonds
(B) Hydrogen bonds
(C) Bisulphide bridges
(D) All the above



In a polypeptide chain “N” terminal amino acid is always written towards

(A) Left side
(B) Right side
(C) In the middle
(D) All the above



The following level of structure of protein gives 3D view of the protein

(A) Primary structure
(B) Teritary structure
(C) Secondary structure
(D) None of the above



Which of the following level of protein structure is necessary to impart it biological activities?

(A) Primary structure
(B) Teritary structure
(C) Secondary structure
(D) None of the above



The total number of polypeptide chains seen in hemoglobin is

(A) 4
(B) 2
(C) 6
(D) 1



In majority of the proteins linear polypeptide chain gets coiled in __ manner form secondary structure

(A) Clockwise
(B) Anti clockwise
(C) Randomly
(D) None of the above



Human hemoglobin is made up of

(A) Two polypeptide chains of four types
(B) Two polypeptide chains of two types
(C) Four polypeptide chains of four types
(D) Four polypeptide chains of two types



Which of the following type of reaction occurs during the formation of peptide bond and glycosidic bond?

(A) dehydrogenation
(B) decarboxylation
(C) dehydration
(D) Oxidation



“Glycosidic bond” is seen in

(A) Oligosaccharides
(B) Polysaccharides
(C) Monosaccharides
(D) a & b



Phosophodiester bond is formed between

(A) 3 1 carbon and 5 1 carbon of sugar in a nucleotide
(B) 5 1 carbon and 3 1 carbon of sugar in a nucleotide
(C) 3 1 carbon of sugar of one nucleotide and 5 1 -c of sugar of another nucleotide
(D) All the above