SLR-M – 23
Solapur University
B.Sc. – I (Semester – II) Examination, 2015
BIOTECHNOLOGY
Biochemistry and Cell Physiology (Paper – I) (Old)
Biochemistry
Day and Date : Thursday, 23-4-2015 Max. Marks : 50
Time : 11.00 a.m. to 1.00 p.m.
N.B. : 1) All questions are compulsory.
2) Figures to the right indicates full marks.
1. Rewrite the following sentences by selecting correct alternative given below : 10
i) _________ is not a reducing sugar.
a) Lactose b) Maltose c) Sucrose d) Fructose
ii) _________ lipid contains alcoholic amino residue.
a) Phosphotidic acid b) Triglyceride
c) Glucocerebroside d) Sphingomyelin
iii) Globular proteins are soluble in __________
a) pure acetone b) aqueous alcohol
c) absolute alcohol d) benzene
iv) A nucleotide consists of nitrogenous base __________
a) only b) + sugar
c) + phosphate d) + sugar + phosphate
v) One manifestation of Vitamin A deficiency is __________
a) painful joints b) loss of hair
c) porous bone d) night blindness
vi) The complementary base of adenine in RNA is _________
a) thymine b) cytosine c) guanine d) uracil
vii) In many proteins the hydrogen bonding produces a regular coiled arrangement
called __________
a) α -helix b) β-sheet c) hair pin d) both b) and c)
SLR-M – 23
viii) The cholesterol molecule is a ___________
a) benzene derivative b) quinoline derivative
c) steroid d) straight chain fatty acid
ix) Flavoproteins contains __________ vitamin.
a) B6 b) B2 c) B1 d) B12
x) A carbohydrate commonly known as dextrose is __________
a) dextrin b) fructose c) D-glucose d) glycogen
2. Answer any five of the following : 10
i) Define carbohydrates and give their different classes.
ii) Distinguish between saturated and unsaturated fatty acids.
iii) Write in brief about lipoproteins.
iv) State and explain Chargraff rule.
v) Describe the biochemical functions of Vitamin D.
vi) Write the structural formula of lactose and state glycosidic bond in it.
3. A) Answer any two of the following : 6
i) Discuss the different components of sphingolipids.
ii) Explain the amphoretic character of protein.
iii) Illustrate the physico-chemical properties of nucleic acid.
B) Describe any four chemical properties of monosaccharides. 4
4. Answer any two of the following : 10
i) What are nucleotides ? Explain how are they formed ?
ii) Give the classification of amino acids based on their side chains.
iii) Describe the structures of carotenoids. Add a note on their functions.
5. Answer any two of the following : 10
i) Explain the formation of cyclic forms of glucose and fructose.
ii) Write an account of secondary structures of protein.
iii) Discuss the structure, biochemical function and deficiency disorder of Vitamin E.
Solapur University
B.Sc. – I (Semester – II) Examination, 2015
BIOTECHNOLOGY
Biochemistry and Cell Physiology (Paper – I) (Old)
Biochemistry
Day and Date : Thursday, 23-4-2015 Max. Marks : 50
Time : 11.00 a.m. to 1.00 p.m.
N.B. : 1) All questions are compulsory.
2) Figures to the right indicates full marks.
1. Rewrite the following sentences by selecting correct alternative given below : 10
i) _________ is not a reducing sugar.
a) Lactose b) Maltose c) Sucrose d) Fructose
ii) _________ lipid contains alcoholic amino residue.
a) Phosphotidic acid b) Triglyceride
c) Glucocerebroside d) Sphingomyelin
iii) Globular proteins are soluble in __________
a) pure acetone b) aqueous alcohol
c) absolute alcohol d) benzene
iv) A nucleotide consists of nitrogenous base __________
a) only b) + sugar
c) + phosphate d) + sugar + phosphate
v) One manifestation of Vitamin A deficiency is __________
a) painful joints b) loss of hair
c) porous bone d) night blindness
vi) The complementary base of adenine in RNA is _________
a) thymine b) cytosine c) guanine d) uracil
vii) In many proteins the hydrogen bonding produces a regular coiled arrangement
called __________
a) α -helix b) β-sheet c) hair pin d) both b) and c)
SLR-M – 23
viii) The cholesterol molecule is a ___________
a) benzene derivative b) quinoline derivative
c) steroid d) straight chain fatty acid
ix) Flavoproteins contains __________ vitamin.
a) B6 b) B2 c) B1 d) B12
x) A carbohydrate commonly known as dextrose is __________
a) dextrin b) fructose c) D-glucose d) glycogen
2. Answer any five of the following : 10
i) Define carbohydrates and give their different classes.
ii) Distinguish between saturated and unsaturated fatty acids.
iii) Write in brief about lipoproteins.
iv) State and explain Chargraff rule.
v) Describe the biochemical functions of Vitamin D.
vi) Write the structural formula of lactose and state glycosidic bond in it.
3. A) Answer any two of the following : 6
i) Discuss the different components of sphingolipids.
ii) Explain the amphoretic character of protein.
iii) Illustrate the physico-chemical properties of nucleic acid.
B) Describe any four chemical properties of monosaccharides. 4
4. Answer any two of the following : 10
i) What are nucleotides ? Explain how are they formed ?
ii) Give the classification of amino acids based on their side chains.
iii) Describe the structures of carotenoids. Add a note on their functions.
5. Answer any two of the following : 10
i) Explain the formation of cyclic forms of glucose and fructose.
ii) Write an account of secondary structures of protein.
iii) Discuss the structure, biochemical function and deficiency disorder of Vitamin E.
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