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Chapters
2: Solutions
3: Ionic Equilibria
4: Chemical Thermodynamics
5: Electrochemistry
6: Chemical Kinetics
7: Elements of Groups 16, 17 and 18
8: Transition and Inner transition Elements
9: Coordination Compounds
10: Halogen Derivatives
11: Alcohols, Phenols and Ethers
12: Aldehydes, Ketones and Carboxylic acids
13: Amines
▶ 14: Biomolecules
15: Introduction to Polymer Chemistry
16: Green Chemistry and Nanochemistry
![SCERT Maharashtra solutions for Chemistry [English] 12 Standard HSC chapter 14 - Biomolecules - Shaalaa.com](/images/chemistry-english-12-standard-hsc_6:5f2b1b2038084cf381bfa42c826a928c.jpg "SCERT Maharashtra solutions for Chemistry [English] 12 Standard HSC chapter 14 - Biomolecules")
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Solutions for Chapter 14: Biomolecules
Below listed, you can find solutions for Chapter 14 of Maharashtra State Board SCERT Maharashtra for Chemistry [English] 12 Standard HSC.
SCERT Maharashtra solutions for Chemistry [English] 12 Standard HSC 14 Biomolecules Multiple Choice Questions
1 Mark
Glucose on oxidation with dilute nitric acid gives _______________
saccharic acid
oxalic acid
gluconic acid
malonic acid
The glycosidic linkage in maltose is formed between _______________
C-1 of α-D glucose and C-2 of α-D glucose
C-1 of α-D glucose and C-4 of α-D glucose
C-1 of α-D glucose and C-2 of α-D fructose
C-1 of α-D glucose and C-4 of α-D fructose
The optically inactive α-amino acid among the following is _____________
alanine
insulin
leucine
glycine
The sugar component of nucleotide unit in RNA is _________________
α-deoxy-D-ribose
D-ribose
L-ribose
2-deoxy-L-ribose
The chemical nature of peptide bond in proteins is ____________
primary amide
secondary amide
tertiary amide
an ionic bond
In which of the following structure of DNA carries genetic information of the organism?
the primary structure of DNA
the double helix structure of DNA
complementary base pairing
sugar-phosphate backbone
In the process of denaturation, there is NO change in the structure following protein.
primary
secondary
tertiary
quaternary
SCERT Maharashtra solutions for Chemistry [English] 12 Standard HSC 14 Biomolecules Very Short Answer Questions
1 Mark
Write the name of the polysaccharide used for the commercial preparation of glucose.
Draw the structure of α-D glucopyranose.
Write the structure of Zwitterion of alanine.
Write the name of the unit to which glucose unit is linked to from sucrose.
Write the name of the base present in DNA but not found in RNA.
Write the number of chiral carbon atoms present in fructose.
Sugar present in DNA is ___________
Complete the following reaction.
\[\ce{H2N - CH2 - COOH + H2N - CH2 - CH2 - COOH ->[-H2O] ?}\]
SCERT Maharashtra solutions for Chemistry [English] 12 Standard HSC 14 Biomolecules Short Answer Questions (Type-I)
2 Marks
Explain the preparation of glucose from sucrose.
Write chemical reaction for following conversions
glucose into glucoxime
Write chemical reaction for following conversions
glucose into gluconic acid
Define peptide bond.
Write types of proteins depending upon molecular shape.
Define the following term.
nucleotide
Define the following term.
nucleoside
Explain denaturation of proteins.
Define enzyme.
Write industrial application of enzyme catalysis.
Draw structure of following.
2-Deoxy-D-ribose
Draw structure of following.
Cytosine
Explain globular and fibrous proteins with example.
Classify the following carbohydrates into monosaccharide, disaccharide, oligosaccharide and polysaccharide:
glucose, cellulose, maltose, stachyose
SCERT Maharashtra solutions for Chemistry [English] 12 Standard HSC 14 Biomolecules Short Answer Questions (Type-II)
3 Marks
Explain the classification of carbohydrates with examples.
What is the action of the following reagents on glucose?
acetic anhydride
What is the action of the following reagents on glucose?
hydroxylamine
What is the action of the following reagents on glucose?
hydrogen iodide
Define carbohydrates.
Draw the Haworth projection structure of the following.
α-D-(–)-Fructofuranose
Draw a neat diagram for the following:
Haworth formula of maltose
Explain D and L configuration in sugars.
Write a chemical reaction to convert glucose into glucose cyanohydrin.
Define α-amino acids.
Write the structure of Zwitterion of alanine.
Draw the structure of Haworth formula of sucrose.
Explain the primary structure of proteins.
Write a commercial method for preparation of glucose.
SCERT Maharashtra solutions for Chemistry [English] 12 Standard HSC 14 Biomolecules Long Answer Questions
4 Marks
Define carbohydrates.
Explain the classification of carbohydrates with examples.
What is monosaccharide?
Write a commercial method for preparation of glucose.
Draw the structure of the pyran.
Solutions for 14: Biomolecules
SCERT Maharashtra solutions for Chemistry [English] 12 Standard HSC chapter 14 - Biomolecules
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Concepts covered in Chemistry [English] 12 Standard HSC chapter 14 Biomolecules are Principal Molecules of the Living World, Carbohydrates, Proteins, Nucleic Acids.
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