Topic:- BIOSCI MSC S2
- Balbiani Rings occur in
[Question ID = 9207]- Autosomes [Option ID = 36822]
- Hetrosomes [Option ID = 36823]
- Polytene chromosomes [Option ID = 36824]
- Lampbrush chromosomes [Option ID = 36825]
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- Polytene chromosomes [Option ID = 36824]
- Which of the following is NOT a type of cancer?
[Question ID = 9208]- Carcinomas [Option ID = 36826]
- Sarcomas [Option ID = 36827]
- Leukemia [Option ID = 36828]
- Colitis [Option ID = 36829]
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- Colitis [Option ID = 36829]
- If DNA is damaged, which of the following genes arrest cell cycle?
[Question ID = 9209]- Rb [Option ID = 36830]
- p53 [Option ID = 36831]
- Hedgehog receptor [Option ID = 36832]
- p16 [Option ID = 36833]
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- p53 [Option ID = 36831]
- Name the term where a single pre-mRNA is processed into a number of products?
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[Question ID = 9210]- Alternate splicing [Option ID = 36834]
- Polyadenylation [Option ID = 36835]
- Capping [Option ID = 36836]
- Intron removal [Option ID = 36837]
- Alternate splicing [Option ID = 36834]
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- What is the role of the sigma factor in transcription?
[Question ID = 9211]- Helicase action [Option ID = 36838]
- Transcription initiation [Option ID = 36839]
- Transcription elongation [Option ID = 36840]
- Transcription termination [Option ID = 36841]
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- Transcription initiation [Option ID = 36839]
- How many base pairs are there in every helical turn of Watson-Crick double helix model ?
[Question ID = 9212]- 32.3 [Option ID = 36842]
- 20.6 [Option ID = 36843]
- 10.4 [Option ID = 36845]
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- 10.4 [Option ID = 36845]
- A purified DNA sample of leaf contains 20% of guanine. Calculate the approximate percentage of purine residues?
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[Question ID = 9213]- 30% [Option ID = 36846]
- 40% [Option ID = 36847]
- 50% [Option ID = 36848]
- 60% [Option ID = 36849]
- 50% [Option ID = 36848]
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- How many numbers of replicon are found in E.coli?
[Question ID = 9214]- Five replicon [Option ID = 36850]
- Two replicon [Option ID = 36851]
- Single replicon [Option ID = 36852]
- Multiple replicon [Option ID = 36853]
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- Single replicon [Option ID = 36852]
- What is the role of snoRNA in eukaryotes?
[Question ID = 9215]- Chemical modification of rRNA [Option ID = 36854]
- RNA splicing [Option ID = 36855]
- Act as adaptor RNA [Option ID = 36856]
- Forms component of the ribosome [Option ID = 36857]
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- Chemical modification of rRNA [Option ID = 36854]
- Which of the following sequence of RNA is recognized by the small subunit of the ribosome?
[Question ID = 9216]- Rho utilization site [Option ID = 36858]
- Downstream sequence [Option ID = 36859]
- Upstream sequence [Option ID = 36860]
- Shine-Dalgarno sequence [Option ID = 36861]
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- Shine-Dalgarno sequence [Option ID = 36861]
- Which of the following acts as the major neurotransmitter in substantia nigra?
[Question ID = 9217]- Dopamine [Option ID = 36862]
- Noradrenaline [Option ID = 36863]
- Acetylcholine [Option ID = 36864]
- Serotonin [Option ID = 36865]
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- Dopamine [Option ID = 36862]
- The electrochemical equilibrium of a neuron can be calculated using which equation?
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[Question ID = 9218]- Bernouli equation [Option ID = 36866]
- Henderson-Hassalbach equation [Option ID = 36867]
- Leyden's equation [Option ID = 36868]
- Nernst equation [Option ID = 36869]
- Nernst equation [Option ID = 36869]
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- Which is true about composition of Blood?
[Question ID = 9219]- Plasma-55%, Protein/WBC-1%, RBC- 45% [Option ID = 36870]
- Plasma-50%, Protein/WBC-3%, RBC- 47% [Option ID = 36871]
- Plasma-55%, Protein/WBC-1%, RBC- 45% [Option ID = 36872]
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- Plasma-55%, Protein/WBC-1%, RBC- 45% [Option ID = 36870]
- Which of the following statement is TRUE about the ear and hearing?
[Question ID = 9220]- The range of human hearing is from 20 Hz to 20 kHz [Option ID = 36874]
- Conductive hearing loss would be evident if a person had a similar degree of hearing loss for air conduction and bone conduction [Option ID = 36875]
- The ear is most sensitive to frequencies between about 100 Hz and 300 Hz [Option ID = 36876]
- The endolymph of the scala media is similar in composition to plasma [Option ID = 36877]
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- The range of human hearing is from 20 Hz to 20 kHz [Option ID = 36874]
- During isotonic contraction of a skeletal-muscle fibre, the
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[Question ID = 9221]- (1) Sarcomeres shorten [Option ID = 36878]
- (2) A bands shorten [Option ID = 36879]
- (3) I bands shorten [Option ID = 36880]
- (4) 1 and 3 [Option ID = 36881]
- (4) 1 and 3 [Option ID = 36881]
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- The rate-limiting factor in causing blood coagulation is
[Question ID = 9222]- Prothrombin activator [Option ID = 36882]
- Thrombin [Option ID = 36883]
- Fibrinogen [Option ID = 36884]
- Fibrin stabilizing factor [Option ID = 36885]
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- Prothrombin activator [Option ID = 36882]
- In different types of tissue transplantations, the rate of graft rejection in decreasing order is
[Question ID = 9223]- Isograft > xenograft > allograft [Option ID = 36886]
- Allograft > isograft > xenograft [Option ID = 36887]
- Xenograft > autograft > allograft [Option ID = 36888]
- Xenograft > allograft > isograft [Option ID = 36889]
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- Xenograft > allograft > isograft [Option ID = 36889]
- Reticulo-endothelial cells are present in
[Question ID = 9224]- Kidney, Spleen & Bone marrow [Option ID = 36890]
- Lung, Spleen & Bone marrow [Option ID = 36891]
- Liver, Spleen & Bone marrow [Option ID = 36892]
- Intestine, Spleen & Bone marrow [Option ID = 36893]
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- Liver, Spleen & Bone marrow [Option ID = 36892]
- The central foveal region in eye contains
[Question ID = 9225]- Only rods [Option ID = 36894]
- Both rods and cones [Option ID = 36895]
- Only cones [Option ID = 36896]
- Neither rods nor cones [Option ID = 36897]
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- Only cones [Option ID = 36896]
- 1 osmole of solute dissolved in each of water
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[Question ID = 9226]- 1 osmole of solute Dissolved in each kg of water [Option ID = 36899]
- 1 osmole of solute dissolved in each L of water [Option ID = 36900]
- 1 osmole of solute dissolved in each mL of water [Option ID = 36901]
- 1 osmole of solute dissolved in each kg of water [Option ID = 36899]
- Methioninine Synthase is a dependent Enzyme
[Question ID = 9227]- Vitamin B3 [Option ID = 36902]
- Vitamin B6 [Option ID = 36903]
- Vitamin B12 [Option ID = 36904]
- Vitamin B61 [Option ID = 36905]
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- Vitamin B12 [Option ID = 36904]
- Hypertension of unknown etiology is represented by
[Question ID = 9228]- (1) Essential hypertension [Option ID = 36906]
- (2) Toxemia of pregnancy [Option ID = 36907]
- (3) Acute intermittent porphyria [Option ID = 36908]
- (4) 1 and 3 [Option ID = 36909]
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- (1) Essential hypertension [Option ID = 36906]
- Which of the following drugs is a ganglionic blocker?
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[Question ID = 9229]- Prazosin [Option ID = 36910]
- Ydralazine [Option ID = 36911]
- Mecamylamine [Option ID = 36912]
- Nicardipine [Option ID = 36913]
- Mecamylamine [Option ID = 36912]
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- Dramatic decrease in systemic availability of a drug following oral administration is most likely due to
[Question ID = 9230]- Extreme drug instability at stomach pH [Option ID = 36914]
- Hepatic "first-pass" effect [Option ID = 36915]
- Drug metabolized by gut flora [Option ID = 36916]
- Patient non-compliance [Option ID = 36917]
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- Hepatic "first-pass" effect [Option ID = 36915]
- Type(s) of derivatives associated with phase II metabolic reactions include(s)
[Question ID = 9231]- (1) Glucuronide acid derivatives [Option ID = 36918]
- (2) Sulfation derivative [Option ID = 36919]
- (3) Neither [Option ID = 36920]
- (4) Both 1 and 2 [Option ID = 36921]
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- Which of the following is the characteristic(s) of aspirin overdose?
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[Question ID = 9232]- (1) Pyloric valve spasm [Option ID = 36922]
- (2) Acidity [Option ID = 36923]
- (3) Both 1 and 2 [Option ID = 36924]
- (4) Neither [Option ID = 36925]
- (3) Both 1 and 2 [Option ID = 36924]
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- Which of the following is effective in the management of mild to moderate pain, when anti-inflammatory action is not necessary?
[Question ID = 9233]- Penicillamine [Option ID = 36926]
- Sulfasalazine [Option ID = 36927]
- Acetaminophen [Option ID = 36928]
- Piroxicam [Option ID = 36929]
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- Acetaminophen [Option ID = 36928]
- Risk differs from hazard in that, the risk
[Question ID = 9234]- Includes a consideration of the likelihood and severity [Option ID = 36930]
- Is determined by toxicity studies [Option ID = 36931]
- Can only be assessed by trained professionals [Option ID = 36932]
- Is independent of exposure [Option ID = 36933]
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- Includes a consideration of the likelihood and severity [Option ID = 36930]
- Which of the following drugs work by inhibiting the enzyme acetylcholinesterase?
[Question ID = 9235]- Neostigmine [Option ID = 36934]
- Cyclizine [Option ID = 36935]
- Montelukast [Option ID = 36936]
- Fentanyl [Option ID = 36937]
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- Neostigmine [Option ID = 36934]
- Which type of epilepsy is treated with Ethosuximide ?
[Question ID = 9236]- Tonic-clonic seizures [Option ID = 36938]
- Lennox-Gastaut syndrome seizures [Option ID = 36939]
- Absence seizures [Option ID = 36940]
- All of these [Option ID = 36941]
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- Absence seizures [Option ID = 36940]
- Which statement is true for competitive inhibition?
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[Question ID = 9237]- In competitive inhibit the addition of agonist shifts the dose response curve to the right [Option ID = 36942]
- In competitive inhibition may be irreversible [Option ID = 36944]
- Competitive inhibition has the ability to activate the receptor
- In competitive inhibition, the addition of agonist shifts the dose response curve to the right [Option ID = 36942]
- The enzyme ultimately responsible for the formation of fibrin monomer is
[Question ID = 9238]- Plasminogen [Option ID = 36946]
- Thrombin [Option ID = 36947]
- Kininogen [Option ID = 36948]
- Prothrombin [Option ID = 36949]
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- Thrombin [Option ID = 36947]
- Paracrine secretion responsible for inhibiting gastric acid secretion is
[Question ID = 9239]- Somatostatin [Option ID = 36950]
- Gastrin [Option ID = 36951]
- Histamine [Option ID = 36952]
- Enterogastrone [Option ID = 36953]
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- Somatostatin [Option ID = 36950]
- The percentage of hemoglobin saturated with oxygen will increase, if
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[Question ID = 9240]- The arterial pCO2 is increased [Option ID = 36954]
- The temperature is increased [Option ID = 36955]
- The arterial pO2 is increased [Option ID = 36956]
- The arterial pH is decreased [Option ID = 36957]
- The arterial pO2 is increased [Option ID = 36956]
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- Which of the following statement about spermatogenesis is correct?
[Question ID = 9241]- Production and release of spermatozoa is cyclic [Option ID = 36958]
- LH acts directly on sertoli cells to promote cell division [Option ID = 36959]
- Sertoli cells are required for mitotic and meiotic activity of germ cells [Option ID = 36960]
- Spermatogenesis requires continuous release of GnRH [Option ID = 36961]
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- Sertoli cells are required for mitotic and meiotic activity of germ cells [Option ID = 36960]
- Plasma levels of calcium can be increased most rapidly by the direct action of parathyroid hormone on the
[Question ID = 9242]- Kidney [Option ID = 36962]
- Bones [Option ID = 36963]
- Thyroid gland [Option ID = 36964]
- Intestine [Option ID = 36965]
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- Bones [Option ID = 36963]
- Transcortical sensory aphasia is most likely to be associated with a lesion of
[Question ID = 9243]- The hippocampus [Option ID = 36966]
- The temporal lobe [Option ID = 36967]
- The parietal lobe [Option ID = 36968]
- The limbic system [Option ID = 36969]
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- heni piset parsone is 'dehydrated, hypotonic solution is found in the
[Question ID = 9244]- Glomerular filtrate [Option ID = 36970]
- Loop of Henle [Option ID = 36971]
- Cortical collecting tubule [Option ID = 36972]
- Distal collecting duct [Option ID = 36973]
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- Loop of Henle [Option ID = 36971]
- The principal steroid secreted by the fetal adrenal cortex is
[Question ID = 9245]- Dehydroepiandrosterone [Option ID = 36974]
- Corticosterone [Option ID = 36975]
- Cortisol [Option ID = 36976]
- Pregnenolone [Option ID = 36977]
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- Dehydroepiandrosterone [Option ID = 36974]
- Vaccination is a form of
[Question ID = 9246]- (1) Active immunization [Option ID = 36978]
- (2) Passive immunization [Option ID = 36979]
- (3) Both [Option ID = 36980]
- (4) Neither [Option ID = 36981]
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- (3) Both [Option ID = 36980]
- Which of the following diseases is associated with angiogenesis?
[Question ID = 9247]- Diabetes [Option ID = 36982]
- Cancer [Option ID = 36983]
- Asthma [Option ID = 36984]
- AIDS [Option ID = 36985]
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- Cancer [Option ID = 36983]
- The F1 particles of mitochondria are
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[Question ID = 9248]- A type of ribosome that synthesizes mitochondrial proteins [Option ID = 36986]
- A structural component of the mitochondrial outer membrane [Option ID = 36987]
- An enzyme complex that synthesizes ATP during respiration [Option ID = 36988]
- Storage complex for calcium phosphate in the mitochondria [Option ID = 36989]
- An enzyme complex that synthesizes ATP during respiration [Option ID = 36988]
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- Rheumatoid arthritis is an example of
[Question ID = 9249]- Type I hypersensitive reaction [Option ID = 36990]
- Type II hypersensitive reaction [Option ID = 36991]
- Type III hypersensitive reaction [Option ID = 36992]
- Type IV hypersensitive reaction [Option ID = 36993]
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- Type III hypersensitive reaction [Option ID = 36992]
- Cystic fibrosis transmembrane conductance regulator (CFTR) is an ion channel specific for
[Question ID = 9250] - [Option ID = 36995]
- Cl [Option ID = 36996]
- H+ [Option ID = 36997]
- CL [Option ID = 36996]
- Under which phase of bacterial growth bacteria increases in size but do not divide?
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[Question ID = 9251]- Lag [Option ID = 36998]
- Log [Option ID = 36999]
- Stationary phase [Option ID = 37000]
- Death phase [Option ID = 37001]
- Lag [Option ID = 36998]
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- Which of the following features of HIV make it different from other members of this family?
[Question ID = 9252]- HIV uses reverse transcriptase to convert its RNA genome into cDNA [Option ID = 37002]
- HIV infects human cells that are CD4+ [Option ID = 37003]
- HIV is enveloped [Option ID = 37004]
- HIV encoded a number of small proteins such as tat and rev [Option ID = 37005]
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- HIV uses reverse transcriptase to convert its RNA genome into cDNA [Option ID = 37002]
- Sulfur oxidizing bacteria belongs to
[Question ID = 9253]- Chemoheterotroph [Option ID = 37006]
- Chemolithoautotroph [Option ID = 37007]
- Chemolithoheterotroph [Option ID = 37008]
- Photolithoautotroph [Option ID = 37009]
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- Chemolithoautotroph [Option ID = 37007]
- RNA as a genetic material is found in, which of the following organism?
[Question ID = 9254]- Plasmodium [Option ID = 37010]
- Staphylococcus aureus [Option ID = 37011]
- Schizosaccharomycescerevisiae [Option ID = 37012]
- Poliovirus [Option ID = 37013]
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- Poliovirus [Option ID = 37013]
- Severe Acute Respiratory Syndrome (SARS) is
- y variant of Pneumococcus pneumonia
[Option ID = 37014]- Caused by a variant of common cold virus [Option ID = 37015]
- An acute form of asthma [Option ID = 37016]
- Related to all of these [Option ID = 37017]
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- Caused by a variant of common cold virus [Option ID = 37015]
- Viruses can be cultured in
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[Question ID = 9256]- (1) Chemically defined media as that used for bacteria [Option ID = 37018]
- (2) Living system only [Option ID = 37019]
- (3) Non-living matter also [Option ID = 37020]
- (4) Both 1 and 2 [Option ID = 37021]
- (2) Living system only [Option ID = 37019]
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- Which of the following fungi is a rich source of protein?
[Question ID = 9257]- Mushroom [Option ID = 37022]
- Aspergillus [Option ID = 37023]
- Penicillum [Option ID = 37024]
- Mucor [Option ID = 37025]
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- Mushroom [Option ID = 37022]
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