% of Glucose normally present in our blood is
1.0.80%
2.0.08%
3.1.80%
4.8%
Posted Date:-2021-09-09 03:56:19
% of water in brain cells is
1.20%
2.80%
3.85%
4.90%
Posted Date:-2021-09-09 03:56:19
?- helical structure is kept by the formation of _____ bonds among amino acids molecules.
1.H bonds
2.Disulphide Bond
3.Ionic bond
4.Hydrophobic bonds
Posted Date:-2021-09-09 03:56:19
A bond formed by linkage between -OH of carboxyl group of one amino acid and H of amino group of another amino acid which releases water is called
1.Phosphodiester linkage
2.Glycosidic bond
3.Peptide bond
4.Hydrogen bond
Posted Date:-2021-09-09 03:56:19
A complex substance which on hydrolysis yields polyhydroxy aldehyde or ketone subunits is called:
1.Lipid
2.Carbohydrate
3.Protein
4.Carotein
Posted Date:-2021-09-09 03:56:19
A compound produced as a result of a chemical reaction of an alcohol with an acid in which water molecule is released is called:
1.Monosaccharide
2.Fatty acid
3.Neutral lipid
4.Nucleic acid
Posted Date:-2021-09-09 03:56:19
Actin and myosin are the basic proteins involved in contractile machinery of our body to which type of proteins do they belong?
1.Globular proteins
2.Fibrous Proteins
3.Both a and b
4.None of these
Posted Date:-2021-09-09 03:56:19
An insulin molecule consists of _____ polypeptide chains.
1.1
2.2
3.3
4.4
Posted Date:-2021-09-09 03:56:19
Animals obtain carbohydrates mainly from
1.Glucose
2.Starch
3.Sucrose
4.Glycogen
Posted Date:-2021-09-09 03:56:19
Antibodies play important role against microorganisms and other pathogens to which type of proteins do they belong?
1.Globular proteins
2.Fibrous Proteins
3.Both a and b
4.None of these
Posted Date:-2021-09-09 03:56:19
ATP is a an important molecule for its major function
1.As an energy currency of the cell
2.As a coenzyme
3.Both a and b
4.None of these
Posted Date:-2021-09-09 03:56:19
Chemical component/s less in eukaryotic cell as compared to prokaryotic cell is / are (i) lipids (ii) carbodydrates (iii) proteins (iv) DNA
1.i & ii
2.iii & iv
3.i ii iii & iv
4.iv only
Posted Date:-2021-09-09 03:56:19
Cn(H2O)n. is a general formula of :
1.Monosaccharides
2.Oligosaccharides
3.Ploysacharides
4.Carbohydrates
Posted Date:-2021-09-09 03:56:19
Each turn of DNA contain _______ nitrogenous base pairs
1.5
2.10
3.20
4.25
Posted Date:-2021-09-09 03:56:19
Fatty acids containing 18 C atoms and a single double bond is
1.Saturated Fatty acid
2.Unsaturated fatty acid
3.Oleic Acid
4.Plamitic acid
Posted Date:-2021-09-09 03:56:19
For the synthesis of 10g of glucose ______ of energy is required:
1.717.6 Kcal
2.727 Kcal
3.737 Kcal
4.747 Kcal
Posted Date:-2021-09-09 03:56:19
Hemoglobin molecule exhibits which structural organization of proteins
1.Primary structure
2.Secondary structure
3.Tertiary structure
4.Quaternary structure
Posted Date:-2021-09-09 03:56:19
In an aqueous environment the most stable tertiary conformation is that in which ______ amino acids are buried inside the conformation.
1.Hydrophobic
2.Hydrophilic
3.Basic
4.None of these
Posted Date:-2021-09-09 03:56:19
In Glycin an amino acid R group is replaced by
1.H
2.CH3
3.COOH
4.C = O
Posted Date:-2021-09-09 03:56:19
Lipid molecules can store double amount of energy as compared to same amount of carbohydrate because of high number of
1.C-C bonds
2.C-H bonds
3.C-N bonds
4.C-O bonds
Posted Date:-2021-09-09 03:56:19
Lipids are soluble in which of the following :
1.Water
2.Ether
3.All solvents
4.Not in any of the above
Posted Date:-2021-09-09 03:56:19
Peptide bond is:
1.C-N link
2.C- O lind
3.N-H link
4.C-H link
Posted Date:-2021-09-09 03:56:19
Proteins are polymers of
1.Fatty acids
2.Isoprenoid units
3.Amino acids
4.Nucleotides
Posted Date:-2021-09-09 03:56:19
Proteins comprise of _____% of the total dry weight of a cell.
1.40%
2.50%
3.60%
4.70%
Posted Date:-2021-09-09 03:56:19
Ribose is an example of
1.Trioses
2.Tetroses
3.Pentose
4.Hexose
Posted Date:-2021-09-09 03:56:19
Specific heat of vaporization of water is:
1.574 Kcal/kg
2.674 Kcal/kg
3.774 Kcal/kg
4.874 Kcal/kg
Posted Date:-2021-09-09 03:56:19
Starch cellulose and glaycogen yield ________ on complete hydrolysis.
1.Maltose
2.Sucrose
3.Fructose
4.Glucose
Posted Date:-2021-09-09 03:56:19
The covalent bond between two monosaccharide subunits is called:
1.Phosphodiester bond
2.Peptide bond
3.Glycosidic Bond
4.Ionic bond
Posted Date:-2021-09-09 03:56:19
The element in basic structure of proteins which differentiate them from carbohydrates is
1.C
2.S
3.H
4.N
Posted Date:-2021-09-09 03:56:19
The number of calories required to raise the temperature of 1g of water from 15 to 16?C is called?
1.Specific Heat of Vaporization
2.Specific Heat capacity
3.Caloric Heat
4.Both A and C
Posted Date:-2021-09-09 03:56:19
The property of water due to which it works as a temperature stabilizer and hence protect living organisms from sudden thermal changes is:
1.High specific heat of vaporization
2.High specific heat capacity
3.Its Dipole nature
4.Its liquid state
Posted Date:-2021-09-09 03:56:19
Total number of amino acids discovered so far in cells and tissues are
1.20
2.25
3.150
4.170
Posted Date:-2021-09-09 03:56:19
Total number of amino acids in a hemoglobin molecule are:
1.554
2.564
3.574
4.584
Posted Date:-2021-09-09 03:56:19
Which bond provides stability to complex carbohydrate molecules?
1.C-H
2.C-O
3.C-C
4.C-N
Posted Date:-2021-09-09 03:56:19
Which of the following carbohydrate can not be hydrolysed?
1.Monosaccharide
2.Oligosaccharide
3.Polysaccharide
4.None of these
Posted Date:-2021-09-09 03:56:19
Which of the following carbohydrate is tasteless?
1.Monosaccharide
2.Oligosaccharide
3.Polysaccharide
4.None of these
Posted Date:-2021-09-09 03:56:19
Which of the following does not show quaternary structure?
1.Haemoglobin
2.Pepsin
3.Fibrin
4.Insulin
Posted Date:-2021-09-09 03:56:19
Which of the following polysaccharide is called animal starch?
1.Starch
2.Glycogen
3.Cellulose
4.None of these
Posted Date:-2021-09-09 03:56:19
Which of the following statement is incorrect5 for fats containing unsaturated fatty acid?
1.They contain double bond
2.They are usually solid at room temperature
3.They are lighter than water
4.Their specific gravity is less than 1
Posted Date:-2021-09-09 03:56:19
Which of the following substance is most favorable to form structural component of biological membranes?
1.Hydrophilic Carbohydrates
2.Hydrophobic fats.
3.Both a and b
4.None of these
Posted Date:-2021-09-09 03:56:19
Which of the statement is not true for compounds like glycoprotein and glycolipids?
1.They are conjugated molecules of carbohydrates
2.Both have role in the extra cellular matrix of animals and bacterial cell wall
3.They are components of biological membranes.
4.Both are produced and secreted by endoplasmic reticulum
Posted Date:-2021-09-09 03:56:19
Which one are most complex sugar:
1.Monosaccharides
2.Oligosaccharides
3.Polysaccharides
4.None of these
Posted Date:-2021-09-09 03:56:19
Which one gives blue colour with iodine?
1.Starch
2.Glycogen
3.Cellulose
4.Polysaccharide
Posted Date:-2021-09-09 03:56:19
Which one is abundant in animals?
1.Starch
2.Glycogen
3.Cellulose
4.None of these
Posted Date:-2021-09-09 03:56:19
Which one is soluble in hot water?
1.Starch
2.Glycogen
3.Amylose
4.Amylopectin.
Posted Date:-2021-09-09 03:56:19
Which one the following fatty acid is more soluble in an organic solvent and has higher melting point?
1.Acetic acid
2.Butyric acid
3.Palmitic acid
4.All have same
Posted Date:-2021-09-09 03:56:19
Which statement is true about an aqueous medium:
1.Ionic as well as non ionic substance in aqueous media retains their identity.
2.Enzymes can not perform catalysis reaction in this medium.
3.Ions and molecules move randomly thus are in more favorable state to react with other molecules and ions.
4.It is less favorable media for chemical reactions.
Posted Date:-2021-09-09 03:56:19
Which structural organization is most common in globular proteins?
1.Primary
2.Secondary
3.Tertiary
4.Quaternary
Posted Date:-2021-09-09 03:56:19
Which structure of protein gives information aboutnumber and sequence of amino acids in it?
1.Primary structure
2.Secondary structure
3.Tertiary structure
4.Quaternary structure
Posted Date:-2021-09-09 03:56:19
_________ is example of pure form of cellulose
1.Silk
2.Wool
3.Cotton
4.Paper
Posted Date:-2021-09-09 03:56:19