MCQOPTIONS
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MCQOPTIONS
This section includes 813 Mcqs, each offering curated multiple-choice questions to sharpen your Biotechnology knowledge and support exam preparation. Choose a topic below to get started.
| 351. |
True for smooth muscle contraction is A/E - |
| A. | Slow and prolonged contractile response independent of nerve supply |
| B. | Length tension relationship does not exist |
| C. | Catch bridge are less cycle less ATP bridge |
| D. | Dephosphorylation causes definite relaxation |
| Answer» C. Catch bridge are less cycle less ATP bridge | |
| 352. |
Alveolar-arterial tension gradient increases in all of the following conditions except: |
| A. | Diffusion defect |
| B. | Ventilation perfusion abnormality |
| C. | Hypoventilation |
| D. | Rt-Lt shunt |
| Answer» D. Rt-Lt shunt | |
| 353. |
Epinephrine action in liver: |
| A. | Glycogenolysis |
| B. | Glycolysis |
| C. | Gluconeogenesis |
| D. | Lipolysis |
| Answer» B. Glycolysis | |
| 354. |
All are synthesized by endothelium except: |
| A. | NO |
| B. | EDRF |
| C. | Prostaglandin |
| D. | Factor X |
| Answer» E. | |
| 355. |
Danaparoid contains - |
| A. | Keratin sulphate |
| B. | Dermatan sulphate |
| C. | Heparan sulphate |
| D. | All of the above |
| Answer» E. | |
| 356. |
All are associated with werincke's encephalopathy except - |
| A. | VIth nerve palsy |
| B. | Ataxia |
| C. | Cog wheel rigidity |
| D. | Alteration in mental function |
| Answer» D. Alteration in mental function | |
| 357. |
Orexins are following in all except ? |
| A. | Wajefykness |
| B. | Sexual behaviour |
| C. | Appitite |
| D. | Alzherimer's disease |
| Answer» C. Appitite | |
| 358. |
The following is suggestive of an organic cause of the behavioural symptoms: |
| A. | Delusion of guilt |
| B. | Prominent visual hallucination |
| C. | Formal thought disorder |
| D. | Auditory hallucinations |
| Answer» C. Formal thought disorder | |
| 359. |
Key regulators of sleep are located in- |
| A. | Putamen |
| B. | Limbic cortex |
| C. | Hypothalamus |
| D. | Thalamus |
| Answer» D. Thalamus | |
| 360. |
A 0.5 litre blood loss in 30 minutes will lead to |
| A. | Slight increase in HR, normal BP |
| B. | Increase in HR,decrease in BP |
| C. | Prominent increase in HR |
| D. | Decrease in HR and BP |
| Answer» B. Increase in HR,decrease in BP | |
| 361. |
True is all except - |
| A. | Renin substrate - liver |
| B. | ACE lung endothelium |
| C. | Renin - liver |
| D. | Renin - kidney |
| Answer» D. Renin - kidney | |
| 362. |
Colonic bacteria, on digestion of dietary fibres would given - |
| A. | Glycerol |
| B. | Free radicals |
| C. | Sucrose |
| D. | Butyrate |
| Answer» E. | |
| 363. |
Dengue transmitted by: |
| A. | Culex |
| B. | Aedes |
| C. | Anopheles |
| D. | Mansonoides |
| Answer» C. Anopheles | |
| 364. |
Protein filtration across cerebral capillaries in limited by - |
| A. | Foot process of astrocytes |
| B. | Fibrous tissue |
| C. | High CSF pressure |
| D. | Low BP |
| Answer» B. Fibrous tissue | |
| 365. |
Bile acids are synthesized from - |
| A. | Bilirubin |
| B. | Protein |
| C. | Cholesterol |
| D. | Amino acids |
| Answer» D. Amino acids | |
| 366. |
Total number of cases of guinea worm detected in 1999 are: |
| A. | Zero |
| B. | 7 |
| C. | 215 |
| D. | 315 |
| Answer» B. 7 | |
| 367. |
A cardiologist asks for measurement of electromechanical systole(QS2)and left ventricular ejection time(LVET),and pre-ejection period(PEP).The cardiologist is informed by the technician that the carotid transducer is not functioning.Which of the |
| A. | QS2 |
| B. | QS2and LVET |
| C. | QS2and PEP |
| D. | LVET and PEP |
| Answer» E. | |
| 368. |
Sertoli cells have receptors for - |
| A. | Inhibin |
| B. | Progesterone |
| C. | FSH |
| D. | LH |
| Answer» D. LH | |
| 369. |
Population of West Bengal(according to 2001 census)is: |
| A. | 78.1 million |
| B. | 80.22 million |
| C. | 82.25 million |
| D. | 96.75 million |
| Answer» C. 82.25 million | |
| 370. |
Resting membrane potential of nerve is equal to equilibrium potential of - |
| A. | Cl- |
| B. | Na+ |
| C. | HCO3- |
| D. | K+ |
| Answer» B. Na+ | |
| 371. |
Conduction velocity is least in: |
| A. | AV node |
| B. | Purkinje fibers |
| C. | Ventricles |
| D. | Bundle of His |
| Answer» B. Purkinje fibers | |
| 372. |
Physiological gastrectomy is - |
| A. | Upper 1/3 of stoma resected |
| B. | Ligation of 4-out of five arteries |
| C. | Ligate all major arteries |
| D. | Antrectomy |
| Answer» D. Antrectomy | |
| 373. |
True statement about calcium - |
| A. | Absorbed in upper small intestine |
| B. | Absorbed in lower small intestine |
| C. | Absorption increased by alkaine pH |
| D. | All of the above |
| Answer» B. Absorbed in lower small intestine | |
| 374. |
Central lymphoid organs are - |
| A. | Bone marrow |
| B. | Lymph node |
| C. | Tonsil |
| D. | All of the above |
| Answer» B. Lymph node | |
| 375. |
All are caused by common vectors, except - |
| A. | Dengue fever |
| B. | Yellow fever |
| C. | KFD |
| D. | Japanese encephalitis |
| Answer» D. Japanese encephalitis | |
| 376. |
ECG rhythm having lowest frequency is - |
| A. | Beta |
| B. | Alpha |
| C. | Theta |
| D. | Delta |
| Answer» E. | |
| 377. |
Not a direct somatoforn disorder ? |
| A. | Somatization |
| B. | Fibromyalgia |
| C. | Chronic fatigue syndrome |
| D. | Irritable bowel syndrome |
| Answer» C. Chronic fatigue syndrome | |
| 378. |
All of the following symptoms are commonly seen in mania except - |
| A. | Grandise delusion |
| B. | Decreased need for sleep |
| C. | Decreased motor activity |
| D. | Elated mood |
| Answer» D. Elated mood | |
| 379. |
Habits and customs are conducive to cancer as evident below except - |
| A. | Kangri cancer in kashmir due to hot pot in winter |
| B. | Oral cancer due to pan chewing in India |
| C. | Penile cancer and cervical cancer following circumcision |
| D. | Lung cancer due to smoking |
| Answer» D. Lung cancer due to smoking | |
| 380. |
Clozapine is a - |
| A. | Atypical antipsychotic drug |
| B. | Antianxiety drug |
| C. | Used in dementia |
| D. | Also known as disulfiram |
| Answer» B. Antianxiety drug | |
| 381. |
True about thymus gland is ? |
| A. | Size increases after puberty |
| B. | Red and white cell mass |
| C. | Consitis of Hassalls corpuscles |
| D. | Forms immunoglobulins |
| Answer» D. Forms immunoglobulins | |
| 382. |
Chlorine demand of water is measured by- |
| A. | Double pot |
| B. | Berkfeld filter |
| C. | Horrock's apparatus |
| D. | Chlorimeter |
| Answer» D. Chlorimeter | |
| 383. |
cAMP action mediates all except - |
| A. | LH |
| B. | Estrogen |
| C. | Glucagon |
| D. | FSH |
| Answer» C. Glucagon | |
| 384. |
Which of the following is the most common cause of premature death in schizophrenia: |
| A. | Suicide |
| B. | Homicide |
| C. | Hospital acquired infection |
| D. | Toxicity of antipsychotic drug |
| Answer» B. Homicide | |
| 385. |
Functions of estrogen are all except - |
| A. | Secretory function on endometrium |
| B. | Synthetic function on endometrium |
| C. | Cause secondary sexual characters in female |
| D. | Breast enlargement during puberty |
| Answer» B. Synthetic function on endometrium | |
| 386. |
'Sucrose space' a body fluid compartment is about - |
| A. | 09 L |
| B. | 14 L |
| C. | 28 L |
| D. | 40 L |
| Answer» C. 28 L | |
| 387. |
The minimum recommended level of residual chlorine in the drinking water is for one hour - |
| A. | 0.25 mg/L |
| B. | 0.5 mg/L |
| C. | 1.0 mg/L |
| D. | 2.0 mg/L |
| Answer» C. 1.0 mg/L | |
| 388. |
Spermatogenesis occurs at: |
| A. | Temperature lower than core body temperature |
| B. | Body temperature |
| C. | Temperature does not play a role |
| D. | Temperature higher than core body temperature |
| Answer» B. Body temperature | |
| 389. |
Structure without any membrane is ? |
| A. | Mitochondria |
| B. | Nucleus |
| C. | Nucleolus |
| D. | Endoplasmic reticulum |
| Answer» D. Endoplasmic reticulum | |
| 390. |
Yellow fever certificate of vaccination is valid for ? |
| A. | 6 years, starting from 6 days after vaccination |
| B. | 10 years, starting from 10 days after vaccination |
| C. | 10 years, starting from 6 days after vaccination |
| D. | 6 years, starting from 10 days after vaccination |
| Answer» C. 10 years, starting from 6 days after vaccination | |
| 391. |
True statements are - |
| A. | Extra cellular water constitutes about 40% of body weight |
| B. | Total plasma constitutes about 10% body weight |
| C. | Totally body water constitutes 60% of body weight |
| D. | Most intracellular water is the Musculoskeletal system |
| Answer» D. Most intracellular water is the Musculoskeletal system | |
| 392. |
Rate of firing of axons depends on ? |
| A. | K+ channels |
| B. | Refractory period |
| C. | Na+ channels opening |
| D. | Na+ channels closing |
| Answer» D. Na+ channels closing | |
| 393. |
Elemental iron and folic acid contents of iron and folic acid adult tablets supplied under the 'National Programme for Anaemia Prophylaxis' are: |
| A. | 100 mg of elemental iron and 500 micrograms of folic acid |
| B. | 60 mg of elemental iron and 250 micrograms of folic acid |
| C. | 200 mg of elemental iron and 1000 micrograms of folic acid |
| D. | 120 mg of elemental iron and 750 micrograms of folic acid |
| Answer» B. 60 mg of elemental iron and 250 micrograms of folic acid | |
| 394. |
The extended sickness benefit is given for ? |
| A. | 309 days |
| B. | 365 days |
| C. | 409 days |
| D. | 2 years |
| Answer» B. 365 days | |
| 395. |
Various cells respond differentially to a second messenger(such as increased cAMP)because they have different |
| A. | Receptors |
| B. | Enzymatic composition |
| C. | Nuclei |
| D. | Membrane lipids |
| Answer» C. Nuclei | |
| 396. |
All of the following statements about leprosy are true except: |
| A. | New case detection rate is an indicator for incidence of leprosy |
| B. | Multibacillary leprosy is diagnosed when there are more than 5 skin patches |
| C. | The target for elimation of leprosy is to reduce the prevalence to less than 1 per 10,000 population |
| D. | A defaulter is defined as a patient who has not taken treatment for 6 months or more |
| Answer» E. | |
| 397. |
The latest WHO protocol for classification and measurement of disability is: |
| A. | ICF |
| B. | ICIDH |
| C. | DALY |
| D. | WHO DAS |
| Answer» B. ICIDH | |
| 398. |
Square root of deviation is also called as: |
| A. | Mean deviation |
| B. | Range |
| C. | Standard deviation |
| D. | Standard error |
| Answer» D. Standard error | |
| 399. |
Spraying of mosquito larvicidal oil on stagnant water is useful for the control of |
| A. | Anopheles stephensi |
| B. | Culex quingefasciatus |
| C. | Mansonia annulifers |
| D. | All of the above |
| Answer» E. | |
| 400. |
Most important regulator of PTH hormone secretion is: |
| A. | Calcitonin |
| B. | Vitamin D3 |
| C. | Ca2+ |
| D. | Mg++ |
| Answer» D. Mg++ | |