Standard XI - Biology Chapter 4 - Exercise Solutions : All questions and answers
Maharashtra Stae Board New Syllabus
6. Biomolecules - Exercise
1. Choose correct option .
A. Sugar, amino acids and nucleotides unite to their respective subunits to form .....
A. Bioelements
B. Micromolecules
C. Macromolecules
D. All of these
Answer : D. All of these
B. Glycosidic bond is found in ......
A. Diasaccharide
B. Nucleosides
C. Polysaccharide
D. All of these
Answer : Diasaccharide
C. Amino acids in a polypeptide are joined by ...... bond.
A. Disulphide
B. Glycosidic
C. Hydrogen bond
D. None of these
Answer: D. None of these
D. Lipids associated with cell membrane are ........
A. Spingomyelin
B. Isoprenoids
C. Phospolipids
D. Cholesterol
Answer : C. Phospolipids
E. Linoleic, Linolenic and ......... acids are referred as essential fatty acids since they cannot be synthesized by the body and hence must be included in daily diet.
A. Arachidonic
B. Oleic
C. Steric
D. Palmitic
Answer: D. Palmitic
F. Haemoglobin is a type of ...... protein , which plays indispensible part in respiration.
A. Simple
B. Derived
C. Conjugated
D. Complex
Answer : C. Conjugated
G. When inorganic ions or metallo-organic molecules bind to apoenzyme, they together form
A. Isoenzyme
B. Holoenzyme
C. Denatured enzyme
D. None of these
Answer : B. Holoenzyme
H. In enzyme kinetics , Km = Vmax/2 . If Km value is lower , it indicates ........
A. Enzyme has less affinity for subsrate
B. Enzyme has higher affinity towards substrate
C. There will be no product formation
D. All active sites of enzyme are saturated.
Answer : B. Enzyme has higher affinity towards substrate
2. Solve the following questions
Maharashtra Stae Board New Syllabus
6. Biomolecules - Exercise
1. Choose correct option .
A. Sugar, amino acids and nucleotides unite to their respective subunits to form .....
A. Bioelements
B. Micromolecules
C. Macromolecules
D. All of these
Answer : D. All of these
B. Glycosidic bond is found in ......
A. Diasaccharide
B. Nucleosides
C. Polysaccharide
D. All of these
Answer : Diasaccharide
C. Amino acids in a polypeptide are joined by ...... bond.
A. Disulphide
B. Glycosidic
C. Hydrogen bond
D. None of these
Answer: D. None of these
D. Lipids associated with cell membrane are ........
A. Spingomyelin
B. Isoprenoids
C. Phospolipids
D. Cholesterol
Answer : C. Phospolipids
E. Linoleic, Linolenic and ......... acids are referred as essential fatty acids since they cannot be synthesized by the body and hence must be included in daily diet.
A. Arachidonic
B. Oleic
C. Steric
D. Palmitic
Answer: D. Palmitic
F. Haemoglobin is a type of ...... protein , which plays indispensible part in respiration.
A. Simple
B. Derived
C. Conjugated
D. Complex
Answer : C. Conjugated
G. When inorganic ions or metallo-organic molecules bind to apoenzyme, they together form
A. Isoenzyme
B. Holoenzyme
C. Denatured enzyme
D. None of these
Answer : B. Holoenzyme
H. In enzyme kinetics , Km = Vmax/2 . If Km value is lower , it indicates ........
A. Enzyme has less affinity for subsrate
B. Enzyme has higher affinity towards substrate
C. There will be no product formation
D. All active sites of enzyme are saturated.
Answer : B. Enzyme has higher affinity towards substrate
2. Solve the following questions
(Coming soon)
3. Answer the following questions
A. What are building blocks of life.
B. Explain the peptide bond.
C. How many types of polysaccharides you know ?
D. Enlist the significance of carbohydrates.
E. What is reducing sugar ?
F. What is the basic difference between saturated and unsaturated fatty acid ?
G. Enlist the examples of simple protein and add their significance .
H. Explain the secondary structure of protein with examples.
I. Explain the induced fit model for mode of enzyme action.
J. What is RNA ? Enlist types of RNA .
K. Describe the concept of metabolic pool.
L. How do secondary metabolites useful for
mankind ?
Solve the following questions
(Coming soon)