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1.Recombinant vaccine for HBV was produced by cloning viral genes in
A. plasmids
B. cosmids
C. autonomously replicating plasmid of yeast
D. plasmids
2.The first therapeutic product formed by means of recombinant DNA technology is
A. human growth hormone
B. insulin
C. hepatitis B vaccine
D. human growth hormone
3.Which one of the following capsid protein of picorna virus is immunogenic in nature?
A. VP1
B. VP2
C. VP3
D. VP1
4.The two chains are joined together to constitute native insulin using
A. sodium dissulphonate and sodium sulphite
B. sodium dissulphonate and sodium sulphate
C. sodium sulphate and sodium sulphite
D. sodium dissulphonate and sodium sulphite
5.. Foot and mouth disease (FMD) of animals is caused by
A. RNA virus
B. DNA virus
C. bacteria
D. RNA virus
6.In India first genetically engineered vaccine against HBV was developed by
A. Ranbaxy Pvt Ltd
B. Shantha Biotechnics Pvt Ltd
C. Dabur Pvt Ltd
D. Ranbaxy Pvt Ltd
7.The recombinant hGH lacks
A. terminal glutamine
B. terminal lysine
C. terminal methionine
D. terminal glutamine
8.. How is human insulin synthesized using recombinant DNA technology?
A. By using chemically synthesized DNA sequences for the two chains separately
B. By isolating DNA from the islets of Langerhans of pancreas
C. By using cDNA for insulin
D. By using chemically synthesized DNA sequences for the two chains separately
9.The two chains of insulin can be separated by detaching it from β-galactosidase using
A. hydrogen chloride
B. cyanogen bromide
C. peptidase
D. hydrogen chloride
10.Any system that is not at equilibrium
A. is thermodynamically unstable, although it may be kinetically stable
B. is kinetically unstable, although it may be thermodynamically stable
C. is rushing toward equilibrium at a very rapid rate
D. is thermodynamically unstable, although it may be kinetically stable
11.The element neon (Ne) has eight electrons in its outermost electron shell. How many covalent bonds will Ne readily form?
A. None
B. One
C. Two
D. None
12.Which of the following functional groups would make a carbon-based compound the least polar?
A. Phosphate
B. Methyl
C. Carboxyl
D. Phosphate
13.Which is not true about a photon?
A. It is a packet of light energy
B. The shorter the wavelength, the greater the energy of the photons
C. It is trapped by photosynthetic unit
D. It is a packet of light energy
14.If the ends of the following polysaccharide are pulled, which one would stretch the most?
A. Glycogen
B. Starch
C. Cellulose
D. Glycogen
15.Which of the following elements is likely to form the least polar covalent bond with hydrogen?
A. Nitrogen
B. Oxygen
C. Carbon
D. Nitrogen
16.The mitochondria were known in the nineteenth century to be osmotically active on the basis of evidence that
A. the mitochondrial matrix is hypotonic to the cellular cytoplasm
B. the mitochondrial matrix is hypertonic to the cellular cytoplasm
C. mitochondria were derived from a symbiotic bacterium
D. the mitochondrial matrix is hypotonic to the cellular cytoplasm
17.Mitochondria can be expected most numerous in
A. green cells
B. red blood cells
C. muscle cells
D. green cells
18.Why do some redox reactions in cells result in the transfer of electrons from a reductant with a higher standard redox potential to an oxidant with a lower standard redox potential?
A. Redox potentials are defined under standard conditions, and cellular conditions are typically not standard conditions
B. The rules governing oxidation and reduction apply only in vitro, and not in vivo
C. Electrons always go from reductants with high redox potentials to oxidants with low redox potentials
D. Redox potentials are defined under standard conditions, and cellular conditions are typically not standard conditions
19.Lysosomes are associated with
A. photosynthesis
B. respiration
C. storage
D. photosynthesis
20.Which cell type is likely to have the most mitochondria?
A. Fast-twitch muscle
B. Slow-twitch muscle
C. Liver cells
D. Fast-twitch muscle
21.Tonoplast is a membrane around
A. cytoplasm
B. vacuole
C. nucleus
D. cytoplasm
22.A cell without cell wall is called
A. apoplast
B. protoplast
C. symplast
D. apoplast
23. Chemical energy is supplied to eukaryotic cells by
A. chloroplasts and golgi complexes
B. mitochondria and ribosomes
C. mitochondria only
D. chloroplasts and golgi complexes
24.Which part of a plant contains the male sex cell?
A. Ova
B. Style
C. Stamen
D. Ova
25."The universe tends towards maximum disorder" is stated by
A. first law of thermodynamics
B. second law of thermodynamics
C. third law of thermodynamics
D. first law of thermodynamics
26.Water content of active protoplasm is
A. 10%
B. 40%
C. 70%
D. 10%
27.Which of the following is not an electron carrier class in the electron transport chain?
A. Flavoproteins
B. Cytochromes
C. Iron - sulfur proteins
D. Flavoproteins
28.What is the source of free energy (ΔG) for moving protons out of mitochondria against their concentration and electrical gradients?
A. Glycolysis
B. Creatine phosphate
C. The redox reactions of electron transport
D. Glycolysis
29.The cellular organelle associated with photosynthesis is the
A. golgi complex
B. mitochondrion
C. ysosome
D. golgi complex
30.. Cellular metabolism is an example of
A. equilibrium metabolism
B. steady-state metabolism
C. a series of reactions occurring under standard conditions
D. equilibrium metabolism
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