MCQOPTIONS
Saved Bookmarks
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.
| 401. |
The agent causing contraction of mesangial cells is - |
| A. | Dopamine |
| B. | PGE2 |
| C. | CAMP |
| D. | Endothelins |
| Answer» E. | |
| 402. |
Vitamin D is maximum in - |
| A. | Milk |
| B. | Fish fat |
| C. | Eggs |
| D. | Cod liver oil |
| Answer» E. | |
| 403. |
A 10 degree decrease in temperature causes decrease in cerebral metabolic rate by: |
| A. | 0.1 |
| B. | 0.3 |
| C. | 0.5 |
| D. | 0.7 |
| Answer» E. | |
| 404. |
QT interval in ECG means: |
| A. | Ventricular depolarisation |
| B. | Atrial repolarisation |
| C. | Ventricular depolarization plus ventricular repolarisation |
| D. | Ventricular depolarization plus atrial repolarisation |
| Answer» D. Ventricular depolarization plus atrial repolarisation | |
| 405. |
Renin secretion is increased by all of the following except |
| A. | Na+ in PCT |
| B. | Afferent arteriolar low pressure |
| C. | Na+ in DCT |
| D. | Sympathetic nerve stimulation |
| Answer» B. Afferent arteriolar low pressure | |
| 406. |
Rods and cones differ in all, except |
| A. | Wavelength |
| B. | Acuity |
| C. | Signal trunsduction |
| D. | Light sensitivity |
| Answer» D. Light sensitivity | |
| 407. |
Living body control system correct deformity/disturbance - |
| A. | Immediately |
| B. | Completely |
| C. | With gain |
| D. | All of the above |
| Answer» E. | |
| 408. |
Anatomy Equilibrium potential for an ions is calculated using - |
| A. | Goldman equation |
| B. | Gibbs Donnan equation |
| C. | Henderson Hesslbach equation |
| D. | Nernst equation |
| Answer» E. | |
| 409. |
During heavy exercise the cardiac output (CO) increases upto five fold while pulmonary arterial pressure rises very little. This physiological ability of the pulmonary circulation is best explained by: |
| A. | Large amount of smooth muscle in pulmonary arterioles |
| B. | Smaller surface area of pulmonary circulation |
| C. | Increase in the number of open capillaries |
| D. | Sympathetically mediated greater distensibility of pulmonary vessels |
| Answer» D. Sympathetically mediated greater distensibility of pulmonary vessels | |
| 410. |
Daily requirement of potassium is ? |
| A. | 2-3 g/day |
| B. | 3-4 g/day |
| C. | 4-5 g/day |
| D. | 5-7 g/day |
| Answer» B. 3-4 g/day | |
| 411. |
In obesity, BMI is ? |
| A. | >_ 25 |
| B. | >_ 20 |
| C. | >_ 30 |
| D. | >_ 40 |
| Answer» D. >_ 40 | |
| 412. |
During shock which organ is spared from vasoconstriction ? |
| A. | Skin |
| B. | Heart |
| C. | Kidney |
| D. | Liver |
| Answer» C. Kidney | |
| 413. |
In a certain population, there were 4050 births in the last one year.There were 50 still births. 50 infants died within 7 days whereas 150 died within the first 28 days.What is the Neonatal morality rate ? |
| A. | 12.5 |
| B. | 49.5 |
| C. | 50 |
| D. | 62.5 |
| Answer» D. 62.5 | |
| 414. |
Functional residual capacity is - |
| A. | Volume remaining after forced expiration |
| B. | Tidal volume + volume inspired forcefully |
| C. | Volume remaining after normal expiration |
| D. | Tidal volume + volume expired by forced expiration |
| Answer» D. Tidal volume + volume expired by forced expiration | |
| 415. |
Mites are the vectors of the following diseases except |
| A. | Scabies |
| B. | Scrub typhus |
| C. | Rickettsial pox |
| D. | Kyasanur forest disease |
| Answer» E. | |
| 416. |
All are seen in cerebral herniation,except: |
| A. | Neck stiffness |
| B. | Loss of consciousness |
| C. | Pupil dilatation |
| D. | Autonomic disturbances |
| Answer» B. Loss of consciousness | |
| 417. |
In defining General Fertility Rate,the denominator is: |
| A. | Population between 15 and 49 yrs of age |
| B. | Women between 15 and 49 yrs of age |
| C. | Mid year population |
| D. | Live births |
| Answer» C. Mid year population | |
| 418. |
Pseudoisomorphic phenomenon is seen in: |
| A. | Vitiligo |
| B. | Plane warts |
| C. | Psoriasis |
| D. | Lichen planus |
| Answer» C. Psoriasis | |
| 419. |
True statement among the following is - |
| A. | Bladder muscles contains intrafusal fibres |
| B. | Bladder emptying can not occur if volume <100ml |
| C. | One time fluid, intake results in complete excretion in 1 hour |
| D. | Pressure increase in bladder very linerly with time |
| Answer» E. | |
| 420. |
Vitamin D analogue calcitriol is useful in the treatment of - |
| A. | Psoriasis |
| B. | Lichen planus |
| C. | Leprosy |
| D. | Phemphigus |
| Answer» B. Lichen planus | |
| 421. |
Which of the following does NOT stimulate peripheral chemoreceptors |
| A. | Hypoxia |
| B. | Hypocapnia |
| C. | Acidosis |
| D. | Low perfusion pressure |
| Answer» C. Acidosis | |
| 422. |
Compared with unprocessed cow's milk, breast milk contains more - |
| A. | Lipids |
| B. | Proteins |
| C. | Minerals |
| D. | Carbohydrates |
| Answer» E. | |
| 423. |
Wernicke's area is located in ? |
| A. | Superior temporal gyrus |
| B. | Inferior frontal gyrus |
| C. | Cingulate sulcus |
| D. | Insula |
| Answer» B. Inferior frontal gyrus | |
| 424. |
Sympathetic stimulation causes all of the following except |
| A. | Increase in total peripheral resistance |
| B. | Increase in venous capacitance |
| C. | Increase in heart rate |
| D. | Increase in blood pressure |
| Answer» C. Increase in heart rate | |
| 425. |
Pseudo paralysis pf Parrot is a manifestation of - |
| A. | Early acquired syphilis |
| B. | Congenital syphilis |
| C. | Neurosyphilis |
| D. | Latent syphilis |
| Answer» C. Neurosyphilis | |
| 426. |
True about Bohr's effect is ? |
| A. | Decreased affinity of HB to O2 is associated with decrease pH and increased CO2 |
| B. | Decreased affinity of HB to O2 is associated with increase pH and decrease CO2 |
| C. | Decreased affinity of HB to O2 is associated with decrease pH and CO2 |
| D. | Decreased affinity of HB to O2 is associated with increase pH and CO2 |
| Answer» B. Decreased affinity of HB to O2 is associated with increase pH and decrease CO2 | |
| 427. |
An anterolaternal corodotomy relieving pain in right leg is effective because it interrupts the - |
| A. | left ventral spinothalmic tract |
| B. | Left dorsal column |
| C. | Righr lateral spinothalmic tract |
| D. | Left lateral spinothalmic tract |
| Answer» E. | |
| 428. |
All of the following statements are true for 'Intestinal Motility'except: |
| A. | Does not depend on Gastric motility |
| B. | Increased by Distension |
| C. | Increased by Acetylcholine |
| D. | Increased by cholecystokinin |
| Answer» B. Increased by Distension | |
| 429. |
A 16 year old male is found to have a mental age of 9 years on I.Q. testing.He has - |
| A. | Mild mental retardation |
| B. | Moderate mental retardation |
| C. | Severe mental retardation |
| D. | Profound mental retardation |
| Answer» B. Moderate mental retardation | |
| 430. |
Condition where severe hypoxaemia occurs without cyanosis - |
| A. | Interstitial lung defuse |
| B. | Pulmonary A.V. malformation |
| C. | CO poisoning |
| D. | High altitude |
| Answer» D. High altitude | |
| 431. |
Dementia is characterized by all except |
| A. | Cognitive dysfunction |
| B. | Languages dysfunction |
| C. | Memory loss |
| D. | Fluctuating course |
| Answer» E. | |
| 432. |
In osteogenesis imperfecta, which of the following is defective ? |
| A. | Phospate deposition in trabecular bone |
| B. | Osteoblasts |
| C. | Osteoclasts |
| D. | Bone collagen |
| Answer» E. | |
| 433. |
All are true for conversion reaction except - |
| A. | Patient does not consciously produce symptoms |
| B. | Relation with stress |
| C. | Onset inlate age |
| D. | Secondary gain |
| Answer» D. Secondary gain | |
| 434. |
Dementia is seen in all except - |
| A. | Huntingtons Chorea |
| B. | Schizophrenia |
| C. | Head injury |
| D. | Alzheimer's disease |
| Answer» C. Head injury | |
| 435. |
In stress which hormone is increased - |
| A. | None |
| B. | Both A and B |
| C. | Vasopressin |
| D. | Adrenaline |
| Answer» C. Vasopressin | |
| 436. |
The test of choice to detect perivalvular abcess of the aortic valve is - |
| A. | MRI of heart |
| B. | Transesophageal Echo with Doppler |
| C. | Ventriculography |
| D. | CT chest |
| Answer» C. Ventriculography | |
| 437. |
First order 'symptoms of schneides' schizophrenia include all except: |
| A. | Primary delusion |
| B. | Somatic passivity |
| C. | Deparsonilization |
| D. | Running commentery of ones thoughts |
| Answer» D. Running commentery of ones thoughts | |
| 438. |
The efferent fiber bundle of the substantia nigra transmits dopamine to one of the following areas - |
| A. | Corpus striatum |
| B. | Thalamus |
| C. | Tectum of midbrain |
| D. | Tegmentum of pons |
| Answer» B. Thalamus | |
| 439. |
An alcoholic is brought to the Emergency OPD with the complaint or irrelevent talking.He had stopped using alcohol three days back.On examination,he is found to be disoriented to time,place and person.He also has visual illusions and hallucination.There is no history of head injury .The most likely diagnosis is: |
| A. | Delirium tremens |
| B. | Demetia praecox |
| C. | Korsakoff's psychosis |
| D. | Schizophrenia |
| Answer» B. Demetia praecox | |
| 440. |
All are controlled by autonomic nervous system except - |
| A. | GH |
| B. | Somatostain |
| C. | Aldosterone |
| D. | Insulin |
| Answer» D. Insulin | |
| 441. |
A case control study can provide information to satisfy all the following criteria for causation EXCEPT |
| A. | Strength of association |
| B. | Dose response relationship |
| C. | Temporal relationship |
| D. | Consistency of association |
| Answer» C. Temporal relationship | |
| 442. |
In calculating crude birth rate which of the following is used as denominator - |
| A. | Women in 15-49 yrs age group |
| B. | All person in 15-49 yrs age group |
| C. | Mid year population |
| D. | All live births |
| Answer» D. All live births | |
| 443. |
ECF volume evaluated by ? |
| A. | Mannitol |
| B. | Inulin |
| C. | D2 O |
| D. | Evan's blue |
| Answer» C. D2 O | |
| 444. |
Antipsychotic drug with prolonged action - |
| A. | Penfuridol |
| B. | Trifluperazine |
| C. | Thioridazine |
| D. | Fluphenazine |
| Answer» E. | |
| 445. |
Drug therapeutic benefit in schizophrenia is - |
| A. | Imipramine |
| B. | Fluphenazine |
| C. | Lithium |
| D. | Doxepin |
| Answer» C. Lithium | |
| 446. |
Following is part of 'Sentinel Surveillance' except - |
| A. | Method for identifying the missing cases |
| B. | Supplementing the notified cases |
| C. | To estimate the disease prevalence in total population |
| D. | To estimate the fatality of the disease |
| Answer» E. | |
| 447. |
Following are correctly matched except - |
| A. | Alcoholism - auditory hallucination |
| B. | Depression - guilt feeling |
| C. | Schizophrenia - Audiory hallucination |
| D. | OCD - infidelity |
| Answer» E. | |
| 448. |
Sentinel surveillance is done to |
| A. | Know the total no.of cases in community |
| B. | Know the hidden cases in community |
| C. | Know natural history of disease |
| D. | Plan intervention |
| Answer» C. Know natural history of disease | |
| 449. |
The mechanism of hearing and memory,include all except: |
| A. | Changes in level of neurotransmitter at synapse |
| B. | Increasing protein synthesis |
| C. | Recruitment by multiplication of neurons |
| D. | Spatial Reorganization of synapse |
| Answer» D. Spatial Reorganization of synapse | |
| 450. |
Group A nerve fibers are most susceptible to - |
| A. | Pressure |
| B. | Hypoxia |
| C. | Local anaesthetics |
| D. | Temperature |
| Answer» B. Hypoxia | |