M.Sc. (Semester (CBCS) Examination Nov/Dec-2018
Nano-Technology
FUNDAMENTALS OF BIOTECHNOLOGY
Time: 2½ Hours Max. Marks: 70
Instructions: All questions are compulsory.
Figures to the right indicate full marks.
Q.1 Rewrite the sentences by choosing correct answer from given alternatives: 14
technology was essential for the development of the cell theory.
Telescopes Antiseptics
Microwaves Microscopes
Some cells take in large molecules through the process of
Protein synthesis endocytosis
cytoplasmic streaming ATP
are ribosomes usually located in animal and plant cells.
Inside the nucleus Near the cell membrane
On the endoplasmic reticulum Inside the vacuole
The repeating units of proteins are
Glucose units Amino acids
Fatty acids Peptides
Assembly of the two subunits of 40S and 60S of the ribosome is
100S 80S
70S 90S
Organelle is also called "power of the house".
Chloroplast Mitochondria
Ribosome Golgi Bodies
Lysosomes are involved in
Digestion Respiration
Excretion Emission
Microtubules are made up of
flagellin tublin
desmin actin and myosin
Unfolding of a protein can be termed as
Renaturation Denaturation
Oxidation Reduction
10) Group of adjacent nucleotides are joined by
Phosphodiester bond Peptide bond
Ionic bond Covalent bond
11) Photosynthesis takes place in sac like organelle called
Thylakoids Grana
Photosystems Photons
12) Site directed mutagenesis is facilitated research on
Carbohydrates Proteins
Lipids Fats
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SLR-VT-527
13) Cell surface receptors are
Enzyme linked receptors Detergent linked receptors
Dye linked receptors ATP linked receptors
14) Simple nerve reflexes use signaling molecules called
Neurotransmitters Nitric oxides
G proteins Proteases
Q.2 Answer the following. (Any Four)
What are carbohydrates and Lipids?
What are ribosomes?
What are the components of DNA?
Write two differences between prokaryotes and Eukaryotes.
Write different classes of cyclins.
08
Write notes on. (Any Two)
Write a note on cell theory.
Write a note on different cell organelles.
Write a note on amino acids.
06
Q.3 Answer the following. (Any Two)
Explain regulation of cell cycle on molecular basis.
Explain life cycle of HIV virus.
Write a note on proteins.
08
Answer the following. (Any One)
Describe the process of endocytosis in cell-cell interactions.
Explain in detail applications of nanotechnology.
06
Q.4 Answer the following. (Any Two)
Explain the structure of DNA.
Explain the structure of prokaryotic cell with neat labelled diagram.
Write a note on Nano devices as Biosensors.
10
Answer the following. (Any One)
Explain endoplasmic reticulum with neat labelled diagram.
Explain the postulates of cell theory.
04
Q.5 Answer the following. (Any two) 14
Write a detailed note on molecular composition of cells.
Explain in detail living organisms as nano-factories.
Explain different cell organelles and their functions.