1. β-lactum ring is present in a. Erythromycin b. Penicillin c. Tetracyclins d. Chromphenical 2. Antibiotic produced from streptomyces orientalis is a. Streptomycin b. Penicillin c. Vancomycin d. Both a and b 3. The drug of choice for dermal, oral and vaginal candidiasis is a. Griseofulvin b. Amphoterein B c. …
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1. Conjunctivitis in a new born is caused by a. Streptococcus b. Pneumococcus c. Meningococci d. None of these 2. Influenza is belonging to a. Orthomyxoviridae b. Retroviridae c. Both a and b d. None of these 3. Influenza virus contains a. Eight segments of RNA b. Two strands of …
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1. Ciprofloxacin acts by inhibiting a. Cellwall synthesis b. RNA synthesis c. Folate synthesis d. DNA gyrase 2. Lyme disease is caused by a. Bacteria b. Fungi c. Spirochaete d. Virus 3. Toxic shock syndrome is caused by a. Staph. albus b. Staph. aureus c. Strep. viridana d. None of …
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1. Debranching enzyme is absent in (A) Cori’s disease (B) Andersen’s disease (C) Von Gierke’s disease (D) Her’s disease 2. McArdle’s disease is due to the deficiency of (A) Glucose-6-phosphatase (B) Phosphofructokinase (C) Liver phosphorylase (D) muscle phosphorylase 3. Tautomerisation is (A) Shift of hydrogen (B) Shift of carbon (C) …
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1. Gluconeogenesis is decreased by (A) Glucagon (B) Epinephrine (C) Glucocorticoids (D) Insulin 2. Lactate formed in muscles can be utilised through (A) Rapoport-Luebeling cycle (B) Glucose-alanine cycle (C) Cori’s cycle (D) Citric acid cycle 3. Glucose-6-phosphatase is not present in (A) Liver and kidneys (B) Kidneys and muscles (C) …
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1. Hyaluronic acid is found in (A) Joints (B) Brain (C) Abdomen (D) Mouth 2. The carbon atom which becomes asymmetric when the straight chain form of monosaccharide changes into ring form is known as (A) Anomeric carbon atom (B) Epimeric carbon atom (C) Isomeric carbon atom (D) None of …
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1. Western blotting is the technique used in the determination of a. RNA b. DNA c. Proteins d. All of these 2. m RNA synthesis from DNA is termed a. Transcription b. Transformation c. Translation d. Replication 3. Western blotting is a technique used in the determination of a. DNA …
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1. Peptide linkages are formed in between a. Nucleotides b. Amino acids c. Glucose molecules d. Sucrose 2. The nucleic acid of polio viruses is a. DNA b. RNA – (+) type c. t-RNA d. m-RNA 3. Rabies virus is a. Nake RNA virus b. Naked DNA virus c. Enveloped …
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1. The bases Adenine and Thymine are paired with a. Double hydrogen bonds b. Single hydrogen bonds c. Triple hydrogen bonds d. Both b and c 2. The no. of hydrogen bonds existing between Guanine and Cytosine are a. 5 b. 2 c. 3 d. None of these 3. The …
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1. Who coined the term ‘chromatin’ to describe the thread like material of the nucleus? a) W. Flemming b) W.Roux c) E. Strasburger d) Boveri 2. The haploid set of the chromosomes is called as a) proteome b) genomics c) genome d) genes 3. The term ‘chromosome (chrom=color, soma=body)’ was …
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1. Which of the following biomolecule has self-repair mechanisms? a) DNA,RNA and protein b) DNA and RNA c) DNA only d) DNA and proteins 2. Which of the following chemicals induce depurination a) methyl ethane sulphonate (MES) b) nitrosoguanidine c) ethyl ethane sulphonate (EES) d) all of these 3. Which …
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1. Genetic code is a) the sequence of nitrogenous bases in mRNA molecule that codes for a protein b) is a triplet code c) is non-overlapping d) all of these 2. Translation is the eukaryotic transcription and translation a) synthesis of DNA from a mRNA template b) synthesis of protein …
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1. Which of the following cells lacks cytoskeleton? a) Eukaryotic plant cell b) prokaryotic bacterial cells c) both a and b d) Prokaryotic cells and eukaryotic animal cells 2. Cytoskeletons are chemically a) nucleoprotein filaments b) nucleoprotein filaments and lipids c) ribonucleoproteins filaments d) protein filaments 3. The existence of …
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