Question Bank | Bio-11, Ch-02

Here is a vast collection of objective and subjective questions in this question bank of biology 11, chapter 02. Following types of questions have been included here.

  • MCQs (Textbook Exercise)
  • MCQs (Previous Boards Essentials)
  • SQs Topic-wise (Previous Boards Essentials + Textbook Conceptuals)
  • LQs (Previous Boards Essentials)

You can find solutions to these questions from our publication, “An Insight Into Objective Biology-11”.

MCQs (Textbook Exercise)

Each question has four possible answers. Tick the correct one.

Q.01: Animals obtain carbohydrates mainly from: (RWP-17)

(a)   Glucose                            

(b)   Starch

(c)   Sucrose                             

(d)   Glycogen

Q.02: Peptide bond is a: (DGK-14)(BWP-16,17)

(a)   C–N link   

(b)  C–O link   

(c)   N–H link   

(d)  C–H link

Q.03: Globular proteins differ from fibrous proteins in: (LHR-15)

(a)   Having amino acids

(b)   Their repeating units joined by peptide bonds

(c)   Being soluble in aqueous medium

(d)   Being non-crystalline

Q.04: Which of the following amounts of bases are more likely to be found in an organism?

(a)   Adenine 30.9% & cytosine 30.7%

(b)   Guanine 27.5% & adenine 27.8%

(c)   Cytosine 19.8% & thymine 20.0%

(d)   Adenine 32% & thymine 31.9%

Q.05: Amino acids are arranged in proper sequence during protein synthesis according to the instructions transcribed on: (FSL-17)

(a)   Transfer RNA                    

(b)   Ribosomal RNA

(c)   Messenger RNA                 

(d)   DNA

MCQs (Previous Boards Essentials)

01: The branch of biology which deals with the study of chemical components and chemical processes in living organism is called: (FSL-21)  

(a)   Biochemistry                     

(b)  Biogenetics

(c)   Bioecology                        

(d)  Biology

02: The percentage of water in bacterial cell is about: (BWP-14)(LHR-16,21)(MLT-19)

(a)   15%          

(b)  18%          

(c)  50%          

(d)  70%

03: The percentage of DNA in a mammalian cell is: (MLT-21)

(a)   1%            

(b)  0.25%       

(c)  2%            

(d)  4%

04: The percentage by weight of RNA in a bacterial cell is: (DGK-18)

(a)   0.25%       

(b)  2%            

(c)  3%            

(d)  6%

05: Chemical link between catabolism and anabolism is: (FSL-15)DGK-19)

(a)   Bioenergetics                     

(b)  Respiration

(c)   Photosynthesis                   

(d)  ATP

06: The basic element of organic compound is: (AJK-16)                                             

(a)   Hydrogen                          

(b)  Carbon

(c)   Nitrogen                           

(d)  Oxygen

07: Carbon is: (GJR-14)

(a)   Divalent                            

(b)  Trivalent

(c)   Monovalent                       

(d)  Tetravalent

08: The potential source of energy for cellular activities is: (DGK-15)(AJK-22)

(a)   C — H bond                      

(b)  C — N bond

(c)   C — O bond                      

(d)  C — C bond

09: Which one serves to build macromolecules? (SWL-19)

(a)   ATP           

(b)  Starch        

(c)  Glucose     

(d)  Keratin

10: Human tissue has 85% water in the cells of: (GJR-14)(FSL-19)(MLT-21)                                              

(a)   Brain         

(b)  Bone         

(c)  Blood        

(d)  Liver

11: Human tissue contains about 20% water in: (GJR-19)                                              

(a)   Brain cells                         

(b)  Bone cells

(c)   kidney                              

(d)  Skin

12: The percentage of water in human bone cell is: (BWP-18)(GJR-21)

(a)   18%          

(b)  19%          

(c)  20%          

(d)  25%

13: Which of the given values is the heat capacity of water? (SWL-21)

(a)   1.0            

(b)  2.0            

(c)  3.0            

(d)  4.0

14: The amount of heat absorbed when liquid changes into gas, expressed as calories per gram vaporized, is called: (LHR-16)                                                      

(a)   Heat capacity                     

(b)  Specific heat

(c)   Heat of vaporization           

(d)  Latent heat

15: The specific heat of vaporization of water is: (GJR-15)(LHR-17)(RWP-19)

(a)   457 kcal/kg                       

(b)  574 kcal/kg

(c)   547 kcal/kg                       

(d)  475 kcal/kg

16: The compounds which on hydrolysis yield polyhydroxy aldehyde or ketone subunits are: (MLT-16,17)(LHR-22)

(a)   Carbohydrates                    

(b)  Proteins

(c)   Lipids                               

(d)  Nucleic acids

17: The most abundant carbohydrate in nature is: (MLT-16)(FSL-16)(LHR-17)(GJR-18)

(a)   Starch        

(b)  Cellulose     

(c)  Glucose     

(d)  Maltose

18: Dextrin, agar, chitin and pectin are: (BWP-14)

(a)   Carbohydrate                     

(b)  Lipid

(c)   Protein                              

(d)  Nucleic acid

19: Which is not a carbohydrate? (FSL-21)

(a)   Wood        

(b)  Cotton       

(c)  Paper         

(d)  Wax

20: Which of the following types of atoms do not occur in carbohydrates? (FSL-14)

(a)   Carbon                              

(b)  Hydrogen

(c)   Nitrogen                           

(d)  Oxygen

21: Monosaccharides which are rare in nature and occur in some bacteria are: (BWP-15)(MLT-17)

(a)   Trioses       

(b)  Tetroses     

(c)  Pentoses    

(d)  Hexoses

22: The glucose forms a six cornered ring when dissolved in water is called: (GJR-22)

(a)   Glucofuranose                    

(b)  Ribofuranose

(c)   Glucopyranose                   

(d)  Ribopyranose

23: Biologically, the most common hexose is: (SRG-22)

(a)   Fructose     

(b)  Glucose     

(c)  Galactose   

(d)  Mannose

24: In free state, glucose is present in: (MLT-14)(RWP-15)

(a)   Dates         

(b)  Amylose    

(c)  Glycogen   

(d)  Cellulose

25: Our blood normally contains _________ glucose. (MLT-14,19)(RWP-14)

(a)   0.6%         

(b)  0.8%         

(c)  0.06%       

(d)  0.08%

26: Animals obtain carbohydrates mainly from: (RWP-17)

(a)   Glycogen   

(b)  Glucose     

(c)  Starch        

(d)  Sucrose

27: Amount of solar energy required to synthesize 10 grams of glucose is: (SWL-14)(FSL-16,17)(SRG-19)(BWP-19)

(a)   574 kcal/g                         

(b)  550 kcal/g

(c)   717.6 kcal/g                      

(d)  717.6 kcal

28: Most of the monosaccharides form ring structure when in: (SRG-17)

(a)   Water        

(b)  Solution     

(c)  Solvent      

(d)  Stomach

29: The covalent bond between two monosaccharides is called: (RWP-14,16)(LHR-14,18)(BWP-15)(DGK-17)

(a)   Peptide bond                     

(b)  Glycosidic bond

(c)   Hydrogen bond                  

(d)  Ester bond

30: Lactose is a: (SRG-15)                                                      

(a)   Monosaccharide                 

(b)  Oligosaccharide

(c)   Polysaccharide                   

(d)  Pectin

31: Glycosidic bond is a: (SRG-16)                                                   

(a)   C — N linkage                   

(b)  C — O linkage

(c)   N — H linkage                   

(d)  C — H linkage

32: Which one of the followings is not a polysaccharide? (SRG-14)(FSL-14)(RWP-16)

(a)   Chitin        

(b)  Cutin         

(c)  Pectin        

(d)  Dextrin

33: Which one of the followings is not a polysaccharide? (LHR-14)

(a)   Glycogen   

(b)  Lactose      

(c)  Starch        

(d)  Dextrin

34: Cotton is the pure form of: (GJR-16)(LHR-19)(FSL-22)                                              

(a)   Cellulose                          

(b)  Glycogen

(c)   Waxes                              

(d)  Amino acid

35: Starches, with iodine, give colour: (LHR-14)                                               

(a)   Blue          

(b)  Red           

(c)  Green        

(d)  Yellow

36: Amylose starch is: (RWP-16)

(a)   Unbranched and soluble in cold water

(b)   Branched and soluble in cold water

(c)   Branched and soluble in organic solvent

(d)   Unbranched and soluble in hot water

37: Which one is the most common polysaccharide on earth? (SRG-14)

(a)   Starch        

(b)  Cellulose     

(c)  Glycogen     

(d)  Dextrin

38: The chief form of carbohydrate stored in animal body is: (SRG-14)

(a)   Starch        

(b)  Glycogen   

(c)  Cellulose   

(d)  Glucose

39: Glycogen is found abundantly in: (AJK-15)                                                

(a)   Liver         

(b)  Muscles     

(c)  Kidney       

(d)  ‘a’ & ‘b’

40: Glycogen gives colour with iodine: (SRG-18)                                               

(a)   Black         

(b)  Red           

(c)  Blue          

(d)  Green

41: The heterogeneous group of compounds related to fatty acids is called: (GJR-17)(RWP-21)(LHR-21)

(a)   Protein                              

(b)  Lipids

(c)   Glucose                            

(d)  Carbohydrates

42: Fats are insoluble in: (AJK-21)(RWP-22)

(a)   Ether                                 

(b)  Alcohol

(c)   Water                               

(d)  Chloroform

43: Fats and oils have specific gravity of about: (DGK-14)(LHR-22)

(a)   0.8            

(b)  0.10          

(c)  0.12          

(d)  0.16

44: Lipid molecules store double amount of energy as compared to same amount of carbohydrates due to high proportion of: (DGK-21)

(a)   C — N bond                      

(b)  C — H bond

(c)   C — O bond                      

(d)  C — C bond

45: Which one of the followings is not a lipid? (SWL-16)                                              

(a)   Rubber                              

(b)  Chitin

(c)   Cutin                                

(d)  Cholesterol

46: Identify the unsaturated fatty acid. (SWL-22)

(a)   Acetic acid                        

(b)  Butyric acid

(c)   Palmitic acid                      

(d)  Oleic acid

47: The melting point of palmitic acid is: (SWL-17)(FSL-18)

(a)   –8oC          

(b)  34oC          

(c)  63.1oC       

(d)  55.6oC

48: Phosphatidylcholine is one of the common: (LHR-15)                                               

(a)   Phospholipids                    

(b)  Sphingolipids

(c)   Glycolipids                        

(d)  Terpenoids

49: Which of the followings is a lipid? (AJK-17)

(a)   Chitin        

(b)  Rubber       

(c)  Starch        

(d)  Sucrose

50: _________ is not a lipid. (GJR-22)

(a)   Oil                                   

(b)  Wax

(c)   Cholesterol                        

(d)  Maltose

51: _________ is not a terpenoid: (MLT-18)                                             

(a)   Rubber       

(b)  Steroid       

(c)  Terpene     

(d)  Waxes

52: The most abundant organic compound in mammalian cell: (FSL-15)

(a)   Water                               

(b)  Proteins

(c)   Carbohydrates                    

(d)  Lipids

53: Types of amino acids found to occur in cells and tissues is about:  (GJR-21)

(a)   150           

(b)  140           

(c)  155           

(d)  170

54: The molecule formed by two amino acids is called: (GJR-16)

(a)   Peptide linkage                  

(b)  Dipeptide

(c)   Peptide bond                     

(d)  Both ‘a’ & ‘c’

55: All the amino acids contain an amino group and a carboxylic group attached to the same: (DGK-22)

(a)   Oxygen atom                     

(b)  Nitrogen atom

(c)   Hydrogen atom                  

(d)  Carbon atom

56: Amino acids are linked to each other by: (DGK-16)                                              

(a)   Ester bond                         

(b)  Glycosidic bond

(c)   Hydrophobic bond             

(d)  Peptide bond

57: The amino acids are mainly different from each other due to the type and nature of: (DGK-16)

(a)   R-group                             

(b)  Amino group

(c)   Carboxyl group                  

(d)  Peptide bond

58: The first scientist who determined the sequence of amino acids in a protein molecule was: (RWP-15)(BWP-21)

(a)   E. Chatton                         

(b)  F. Meischer

(c)   F. Sanger                           

(d)  J. Watson

59: Total number of amino acids in insulin are: (LHR-19)

(a)   51             

(b)  141           

(c)  151           

(d)  50

60: The alpha chain of haemoglobin has amino acids: (FSL-17)

(a)   174           

(b)  171           

(c)  141           

(d)  146

61: Helical shape of polypeptide is due to the presence within the molecule: (DGK-15)

(a)   Covalent bond                   

(b)  Hydrogen bond

(c)   Disulphide bond                

(d)  Peptide bond

62: In the α-helix protein structure, each turn of the helix has amino acids: (RWP-17)(FSL-19)(MLT-22)

(a)   3.6            

(b)  4.6            

(c)  5.6            

(d)  6.6       

63: Which type of bond is not formed in maintaining tertiary structure of proteins? (DGK-14)

(a)   Ionic                                 

(b)  Hydrogen

(c)   Disulphide                        

(d)  Hydrophobic interactions

64: Haemoglobin molecule exhibits which structural organization? (DGK-21)

(a)   Primary structure                

(b)  Secondary structure

(c)   Tertiary structure                

(d)  Quaternary structure

65: Keratin is an example of fibrous protein present in: (LHR-16)(GJR-17)(RWP-18)

(a)   Nails and hair                    

(b)  Blood

(c)   Muscles                            

(d)  Bones

66: Haemoglobin is a: (MLT-16)                                                

(a)   Fibrous protein                  

(b)  Coiled protein

(c)   Globular protein                

(d)  Double coiled protein

67: Silk fiber, myosin, fibrin and keratin are examples of: (AJK-17)

(a)   Fibrous proteins                 

(b)  Tough proteins

(c)   Oval proteins                     

(d)  Globular proteins

68: Enzymes, antibodies, hormones & haemoglobin are examples of: (MLT-17)

(a)   Ovular proteins                  

(b)  Globular proteins

(c)   Fibrous proteins                 

(d)  Tough proteins

69: Which of the followings is not a fibrous protein? (DGK-18)

(a)   Keratin                              

(b)  Myosin

(c)   Fibrin                                

(d)  Hormones

70: A compound formed by the combination of a nitrogen base and pentose sugar is called as: (AJK-14)(MLT-15)

(a)   Nucleotide                        

(b)  Nucleoside

(c)   Polynucleotide                  

(d)  Polypeptide

71: Hydrogen bonds between adenine and thymine are: (LHR-18)

(a)   Three         

(b)  Four          

(c)  Five          

(d)  Two

72: NAD is a: (LHR-14)

(a)   Trisaccharide                    

(b)  Purine

(c)   Terpenoid                          

(d)  Dinucleotide

73: The percentage of tRNA in a cell is: (MLT-16)                                  

(a)   3 – 4%      

(b)  40 – 50%   

(c)  80%          

(d)  10 – 20%

74: The percentage of ribosomal RNA in the cell is: (SRG-15)

(a)   4%            

(b)  20%          

(c)  50%          

(d)  80%

75: Ribosomal RNA is synthesized and stored in: (GJR-16)

(a)   Nucleolus                          

(b)  Mitochondria

(c)   Nucleus                            

(d)  Chloroplast

76: 80% of total RNA in the cell comprises of: (DGK-17)                                            

(a)   mRNA                              

(b)  tRNA

(c)   rRNA                                

(d)  RNA–DNA hybrid

77: The messenger RNA of the total cell RNA is about: (SWL-14,15)

(a)   3 – 4%      

(b)  1 – 2%      

(c)  2 – 4%      

(d)  3 – 5%

78: Which is not a conjugated molecule? (GJR-14)

(a)   Glycoprotein                     

(b)  Glycolipid

(c)   Polysaccharide                   

(d)  Lipoprotein

79: Chemical nature of most cellular secretions is: (SRG-16)(MLT-18)(SWL-18)

(a)   Proteins                             

(b)  Lipids

(c)   Carbohydrates                    

(d)  Glycoproteins

80: Conjugated histone proteins are: (MLT-15)                                                         

(a)   Structural & regulatory        

(b)  Structural onl

(c)   Regulatory only                 

(d)  Transport proteins

81: Nucleohistones are present in: (BWP-14)

(a)   Nucleoli                            

(b)  Chromosomes           

(c)         Ribosomes        

(d)        Mitochondria


Introduction to Biochemistry

Q.01: What is biochemistry? Give its importance. (GJR-14,15)(FSL-15)  

Q.02: Define metabolism. Name its two processes. (BWP-17)

Q.03: Differentiate between anabolism and catabolism. (AJK-14)(RWP-21)(GJR-21)(DGK-21)

Importance of Carbon

Q.04: Why glycosidic and peptide bonds are important for living organisms? (MLT-22)

Q.05: Describe the importance of bonds of C with different elements.

Importance of Water

Q.06: What is the percentage of water in human brain cells?                                                                                    

Q.07: What do you know about ionization of water?     (DGK-19)

Q.08: Define specific heat capacity of water? Give its importance. (LHR-16)(MLT-18)(DGK-18,18)(BWP-18)(FSL-19)

Q.09: Define heat of vaporization? What is heat of vaporization of water? (MLT-18)(LHR-18)

Q.10: Describe the protective role of water. (GJR-17)(FSL-19,21)


Q.11: Define carbohydrates? Why are they called so? OR What is the chemical definition of carbohydrates? Give its general formula. (LHR-21)

Q.12: Name the carbohydrates suitable as food for men. 

Q.13: Name two reducing sugars. Also mention name of most familiar disaccharide. (FSL-16)                    

Q.14: What are monosaccharides? Give examples. (GJR-18)

Q.15: Differentiate between aldo-sugars and keto-sugars.

Q.16: Draw structural formulas of ribofuranose & glucopyranose. (LHR-15,18)(RWP-16)(FSL-18)(GJR-19)

Q.17: What are oligosaccharides? What are their types?   (SWL-15)(MLT-16)(LHR-17)(RWP-17)

Q.18: What is the effect of hydrolysis on oligosaccharides? (GJR-15)

Q.19: What is glycosidic bond? (SRG-15)(LHR-16)(AJK-18)

Q.20: Differentiate between amylose and amylopectin.  (SRG-14,19)(RWP-18,19)(BWP-19)

Q.21: Write a note on glycogen. (BWP-14)

Q.22: Why is glycogen called animal starch? (AJK-15)

Q.23: Which type of carbohydrate is stored in our liver and muscle cells? Give its two characteristics. (RWP-22)

Q.24: Which role is played by cellulose digesting enzyme in plant eating animals? Discuss briefly. (LHR-22)


Q.25: What are lipids? OR Write any two properties of lipids. (MLT-14,21)

Q.26: Why are fats considered as high energy compounds? (GJR-14,16)(MLT-16)

Q.27: Why lipids store double amount of energy as compared to the same amount of any carbohydrate? (SWL-14)(LHR-22)

Q.28: What are acylglycerols?

Q.29: Why glycerol is important for the synthesis of triglycerides? (SRG-22)

Q.30: What is an ester? Express it with equation. (BWP-14)

Q.31: How do the fatty acids in animals differ from that in plants?

Q.32: Differentiate between fats and oils. (GJR-16)

Q.33: Differentiate between saturated and unsaturated fatty acids. (SRG-15)(LHR-15)

Q.34: What are waxes? (RWP-15)(LHR-16)(DGK-17)

Q.35: What are lipids? Give two functions of waxes.     (DGK-15)

Q.36: What are phospholipids? What is their function?

Q.37: Write down structural formula of phosphatidylcholine (lecithin). (SWL-14)(MLT-15)

Q.38: What are terpenoids? Give examples. (RWP-14)(SWL-19)

Q.39: Give importance of lipids. (AJK-16)

Q.40: Why are lipids important to living organisms?        (GJR-22)


Q.41: What are proteins?

Q.42: Give four uses or functions of proteins. (BWP-15)(LHR-21)

Q.43: How amino acids differ from each other? (MLT-16)

Q.44: Give general formula of an amino acid. (DGK-16)(MLT-19)(AJK-19,21)

Q.45: What is a peptide bond? How is it formed?                            (BWP-14,15)(DGK-17)(LHR-16,16,17)(GJR-21)

Q.46: What is peptide and polypeptide bond? (FSL-21)

Q.47: Draw the structural formula of glycylalanine (a dipeptide). (SWL-21)

Q.48: Differentiate between glycosidic and peptide bond. (SRG-15)(GJR-15,16)(LHR-16)

Q.49: What is the composition of insulin?

Q.50: What did F. Sanger conclude about insulin? (LHR-17)

Q.51: What is the composition of haemoglobin?

Q.52: How many chains of amino acids are present in amino haemoglobin, also mention number of amino acids in haemoglobin. (MLT-15)

Q.53: Why haemoglobin is considered a protein having quaternary structure? (DGK-22)

Q.54: What is sickle cell haemoglobin or anemia?

Q.55: Why proper arrangement of amino acids is necessary for proteins? Give an example. (SWL-22)

Q.56: Compare alpha helical structure with beta pleated sheets in proteins. (GJR-16)

Q.57: What is tertiary structure of proteins?

Q.58: What is quaternary structure of proteins?

Q.59: How fibrous proteins differ from globular proteins? (GJR-15)

Nucleic Acids (DNA & RNA)

Q.60: What are purines and pyrimidines. (SWL-14)

Q.61: Differentiate between purines and pyrimidines. (MLT-21)

Q.62: Nucleic acids are the polymers of units of which components? (LHR-14)

Q.63: Differentiate between nucleotide and nucleoside. (BWP-15,16,21)(RWP-17)(DGK-21)

Q.64: Draw the structure of ATP molecule.

Q.65: What is NAD? (SWL-16)

Q.66: What is phosphodiester linkage? Sketch. (SWL-17)

Q.67: Write down two differences between DNA and RNA. (FSL-14)(BWP-15)(AJK-16)

Q.68: What is transcription?

Q.69: What is the function of ribosomal RNA? (FSL-15)

Q.70: What is the function of transfer RNA?

Q.71: What is the function of messenger RNA? (MLT-19)

Conjugated Molecules

Q.72: What are conjugated molecules? Give some examples. (AJK-15)(DGK-16)(SRG-16)(MLT-17)(FSL-17)(SWL-18)(LHR-19,19)

Q.73: What are nucleoproteins? Give their functions.

Q.74: What are nucleohistones? (DGK-17)(SRG-18)

Q.75: How basic proteins play their role in combined form with nucleic acids? (FSL-22)

Long Questions

Importance of Carbon

Q.01: Why carbon occupies the central position in the skeleton of life? (RWP-15)(MLT-16)

Q.02: Explain importance of carbon in skeleton of life. (DGK-16)(SRG-19)

Q.03: Explain importance of carbon in living organisms. (BWP-17)(DGK-18)(FSL-22)

Importance of Water

Q.04: Describe importance of water for life. (DGK-22)                                                                          

Q.05: Explain various aspects of importance of water.   (MLT-21)                                                                          

Q.06: Discuss water as a medium of life. Also give its importance. OR Give biological importance of water. (LHR-14,15)(GJR-14,15,22)(DGK-15,17)(SWL-15)(SRG-16)(RWP-17)(MLT-18)(BWP-19)

Q.07: Describe any four properties of water. (LHR-15)                                                                            


Q.08: Write a note on carbohydrates. (FSL-21)(DGK-21)                                                            

Q.09: What are carbohydrates? Give details of monosaccharides with suitable structural illustrations. (FSL-19)

Q.10: What are monosaccharides. Explain. (BWP-16)(GJR-18)(DGK-19)

Q.11: Write a note on oligosaccharides. (AJK-15)                                                                            

Q.12: What are polysaccharides? Give details of some biologically important polysaccharides. (LHR-22)

Q.13: What are polysaccharides? Describe its two different types. (BWP-15)(GJR-16)(DGK-16)(LHR-16,17,19)(RWP-19)(AJK-19)


Q.14: Write a short note on lipids. (LHR-21)                                                                         

Q.15: Write a note on acylglycerols. (GJR-14,17)(MLT-15,19)(LHR-15,18)(SRG-16)(BWP-18)(FSL-18)

Q.16: What are phospholipids? Also give their structural formula. (GJR-15)(MLT-18)

Q.17: How phospholipids are formed? Also draw the structure of lecithin. (MLT-22)


Q.18: What functions are performed by proteins in the bodies of living organisms? (SRG-15)(LHR-16)(RWP-16)(GJR-16)

Q.19: Write a note on amino acids. (SWL-21)                                                      

Q.20: Describe the structure of amino acids and importance of proteins. (SWL-22)

Q.21: What are proteins? Describe primary structure of proteins. (RWP-21)(FSL-21)

Q.22: Explain the primary structure of protein with examples of insulin and haemoglobin. (SRG-22) 

Q.23: Discuss primary and secondary structure of proteins. (SRG-14,15,18)(AJK-16,21)(FSL-16)(SWL-17)(DGK-18,21,22)(LHR-19)(GJR-19,21)(MLT-19,21)

Q.24: Describe secondary and tertiary structure of proteins. (MLT-17)(LHR-21)

Q.25: Classify proteins according to their structure.

Q.26: Describe/Compare fibrous and globular proteins. (BWP-14)(SWL-16)(RWP-17,22)

Nucleic Acids (DNA & RNA)

Q.27: Write down a note on nucleic acids. (GJR-21)(BWP-21)                                                                            

Q.28: Illustrate chemical composition of DNA. (DGK-17)

Q.29: Discuss Watson and Crick model of DNA. (LHR-17,18)                                                               

Q.30: Differentiate between DNA and RNA. (FSL-15,17)                                                                           

Q.31: Give composition and types of RNA in detail.

Q.32: Write a note on various types of RNA. (FSL-19)(SWL-19)                                                                    

Q.33: What is RNA? Give the functions of its various types. (BWP-14)(FSL-14)(DGK-15)(RWP-18)(AJK-18)(LHR-22)

NOTE: Study and utilize this treasure of questions in your preparations. Also give your opinion in comments to improve this effort. Your verdict will have a meaning for us. Thanks a lot!

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