BSc Biochemistry Sem I ATKT 2017-18 ATKT FYBio Chem Biochemistry II Question Paper - Mumbai University | munotes

Questions asked in this paper

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1. Q1 State true or false : 4 marks
   • (i) DNA was the first type of genetic material
   • (ii) Theory of spontaneous generation is also called as abiogenesis
   • (iii) Duck billed platypus is a connecting link between reptiles and mammals
   • (iv) The first organism was an autotroph
   • (B) Answer the following : (any three) 09
   • (i) Give the contribution of Pasteur in study of evolution the primitive earth’s atmosphere was reducing
   • (iii) Write a note on protenoid microsphere
   • (iv) Differentiate between genetic drift and natural selection
   • (v) Elaborate on types of fossils
   • (vi) Enlist the demerits of Darwin's theory
   • (C) Answer the following : (any two) 12
   • (i) Giving three examples, explain the phenomena of natural selection
   • (ii) Explain in detail modern synthetic theory
   • (iii) a note on chemical similarities of related forms of life
   • (iv) Elaborate on Miller's experiment with the help of neat labelled diagram
2. Q2 (A) State true or false :
   • (i) Prokaryotes include all types of bacteria or protozoa. 04
   • (ii). are used as a model organism in genetic engineering Cytoplasmic and spindle microtubules are labile structures
   • (iv) The main function of nucleus is production of ribosomes
   • (B) Answer the following : (any three) 09
   • (i) Give any three points of distinction between prokaryotic and eukaryotic (iit) . Write a note on: Functions of the cytoplasmic microtubules
   • (iv) the help of a diagram, discuss the structure of Golgi complex Describe the morphology of chloroplasts supporting your answer with
   • (vi) peroxisomes? State any two enzymes present in it
   • (C) Answer the following : (any two) 12
   • (i) Describe in detail, the process of equational cell division
   • (ii) Elaborate on the types, structure and functions of endoplasmic reticulum in the cell
   • (iii) Give detailed account of the plant cell wall adding a note on its functions
   • (iv) Explain why mitochondria are called as the semiautonomous organelle? Add a note on its functions
3. Q3 State true or false : 4 marks
   • (i) All microorganisms are of the same shape
   • (ii) Flagella are the locomotory organelles of bacteria
   • (iii) Bacteria can align themselves according to earth's magnetic field
   • (iv) acid is typically found in Gram-negative bacteria
   • (B) Answer the following: (any three) 09
   • (i) Explain in detail, the different arrangements of bacteria
   • (ii) Discuss the classification of bacteria based on flagella
   • (iii) Briefly explain the technique of lipid staining. What is the role of Sudan Black B in the same?
   • (iv) Explain the different techniques employed for grouping bacteria into
   • (v) Comment on different types of bacteria based on their nutritional require
   • (vi) With a special emphasis on the stains involved, briefly explain spore
   • (C) Answer the following: (any two) 12 Compare and contrast: Gram positive and Gram negative bacteria
   • (ii) Justify, in detail the given statement: Pasteur and Leeuwenhoek made remarkable contributions to the field of microbiology suitable examples categorize bacteria on the basis of extreme environment. Explain the significance of the same
   • (iv) Discuss the principle of capsule staining and elaborate on the role of different stains involved in it
4. Q4 (A) _ Define the followings (any five) 10 marks
   • (B) Answer the following: (any three) 15
   • (i) Explain in detail the contribution of Dr. Redi in theories of origin of life
   • (ii) Justify- Vestigial organs have provided evidences that man has descended from simple primates
   • (iii) Elaborate on the ultrastructure of nucleus with special mention of nuclear
   • (iv) Write an informative note on lysosomes
   • (v) Describe the Ziehl Neelsen staining technique
   • (vi) With the help of a diagram, explain the different parts of a bacterial cell

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