Explore topic-wise MCQs in Biotechnology.

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.

701.

Drugs are used in prophylaxis of migraine A/E:

A. Tapiramate
B. Levetiracetam
C. Propanolol
D. Flunarizine
Answer» C. Propanolol
702.

A patient presents with acute anterior wall infarction and hypotension.Which will be the immediate treatment modality for this patient,

A. Intra aortic balloon counter pulsation
B. Anticoagulation
C. Thrombolytic therapy
D. Angiography and Primary angioplasty
Answer» E.
703.

Cadaveric spasm -

A. Instant in onset
B. Confined to a small group of muscle
C. Occurs only in voluntry muscles
D. All of the above
Answer» E.
704.

Which of the following is not seen in hypothyroidism ?

A. Oedema
B. Cold skin
C. Diastolic hypertension
D. Atrial fibrillation
Answer» E.
705.

Chromosomal anomaly associated with Alzheimer's dementia is:

A. Patau syndrome
B. Trisomy 18
C. Turners syndrome
D. Trisomy 21
Answer» E.
706.

Which of the following is diagnostic of Cushing's disease -

A. Exaggerated ACTH level in blood
B. Reduced ACTH level in blood
C. Reduced ACTH level in blood and cortisol raise wit stimulation with insulin
D. Exaggerated ACTH and cortisol suppression during high dose dexamethsone suppression test
Answer» E.
707.

Which lesion closely resembles mitral stenosis -

A. ASD
B. Left atrial myxoma
C. Pulmonary stenosis
D. Ebstein's anomaly
Answer» C. Pulmonary stenosis
708.

Antibodies to Gliadin are found in -

A. Tropical sprue
B. Wipple disease
C. Coeliac disease
D. Intestinal lymphomas
Answer» D. Intestinal lymphomas
709.

Which of the following is Not true aboutpolymyositis ?

A. Ophthalmoplegia
B. Limb girdle weakness
C. Spontaneous discharge in EMG.
D. Para-neoplastic syndrome
Answer» B. Limb girdle weakness
710.

Budd-chiari syndrome is most commonly found in which?

A. Congenital portal hypertension
B. IVC-obstruction
C. Hepatic vein obstruction
D. Acute portal hypertension
Answer» D. Acute portal hypertension
711.

Osteomalacia occurs in all of the following except:

A. ARF
B. CRF
C. Celiac disease
D. Renal tubular acidosis
Answer» B. CRF
712.

Drug of choice for treatment of Paget's disease of bone-

A. Bisphosphonates
B. Calcitonin
C. Glucocorticoids
D. Plicamycin
Answer» B. Calcitonin
713.

Most common presentation of primary hyperthyroidism -

A. Nephrolithiasis
B. Asymptomatic hypercalcaemia
C. Ostitis fibrosa cystica
D. Myopathy
Answer» C. Ostitis fibrosa cystica
714.

A 60 year old woman presents with generalized edema,skin ulceration and hypertension.Urine examination shows subnephrotic proteinuria(

A. PSGN
B. Essential Mixed Cryoglobulinemia
C. Membrano proliferative Glomerulonephritis(MPGN)
D. Focal Segmental Glomerulorsclerosis (FSGS)
Answer» C. Membrano proliferative Glomerulonephritis(MPGN)
715.

Serum BUN:Creatinine ratio is-

A. 0.542361111111111
B. 0.417361111111111
C. 0.625694444444444
D. 0.834027777777778
Answer» C. 0.625694444444444
716.

Ascites in active portal cirrhosis is due to -

A. Portal hypertension
B. Hypoproteinemia
C. Sodium retension
D. All of the above
Answer» E.
717.

Wedge pressure in ARDS is usually -

A. Markedly increased
B. Moderately increased
C. Normal
D. Decreased
Answer» D. Decreased
718.

A 45 yrs old hypertensive male presented with sudden onset severe headache,vomiting and neck stiffness.On examination he did not have any focal neurological deficit.His CT scan showed blood in the Sylvain fissure.The probable diagnosis is :

A. Meningitis
B. Ruptured aneurysm
C. Hypertensive bleed
D. Stroke
Answer» C. Hypertensive bleed
719.

In patients with glucose 6- phosphatase dehydrogenase deficiency (G-6-PD deficiency), haemolysis may be included by the following except -

A. Primaquine
B. Nitrofurantoin
C. Chloramphenicol
D. Tetracycline
Answer» E.
720.

All are features of acute renal feature(ARF) except -

A. Hypotension
B. Metabolic acidosis
C. Hyperkalemia
D. Hypertension
Answer» E.
721.

Prolonged allopurinol therapy in a patient with gout is not indicated for -

A. Acute gouty arthritis
B. Tophi
C. Urate nephropathy
D. Evidence of bone/joint damage
Answer» B. Tophi
722.

Which of the following is used for Epidemiological studies of H.pylori?

A. Serological markers
B. Urea-breath test
C. Gastric-biopsy urease test
D. Culture
Answer» B. Urea-breath test
723.

Expected findings in severe MS is ?

A. Parasternal heave
B. Shift of apical impulse
C. Soft S1
D. Low pitched -MDM
Answer» B. Shift of apical impulse
724.

Thrombasthenia is a defect of:

A. Platelet aggregation
B. Platelet adhesion
C. ADP deficiency
D. Platelet contraction
Answer» B. Platelet adhesion
725.

Juvenile Huntigton's disease is marked by -

A. Chorea
B. Athetosis
C. Tremors
D. Tics
Answer» B. Athetosis
726.

Which of the following areas of brain is most resistant to Neurofibrillary tangles in Alzheimer's disease:

A. Hippocampus /Temporal lobe
B. Entorhinal cortex
C. Visual Association area
D. Lateral Geniculate Body
Answer» E.
727.

Curshmann's spirals in sputum is seen in -

A. Tuberculosis cavity
B. Asthma
C. Bronchitis
D. Bronchiectasis
Answer» C. Bronchitis
728.

B/L painless parotid enlargement is seen in all except -

A. Mumps
B. Alcoholics
C. Sarcoidosis
D. Daibetes mellitus
Answer» C. Sarcoidosis
729.

A 7 yrs girl,parent gave history of fever for which she was treated with Paracetamol following which the fever subsided.Later she developed seizures and altered sensorium.The urine examination revealed oxalate crystals on microscopy,Blood anion gap and osmolality were increased.The diagnosis is:

A. Lactic acidosis
B. Ethylene glycol
C. Renal tubular acidosis
D. Paracetamol poisoning
Answer» C. Renal tubular acidosis
730.

In differentiating seizure from syncope, all the following features favor the former (seizure) EXCEPT -

A. Clear focal onset
B. Convulsive muscular contractions
C. Clear sensorium after the event
D. Tongue biting
Answer» D. Tongue biting
731.

The commonest cause of non-gonococcal urethritis is

A. Chlamydia
B. Ureaplasma urealyticum
C. E.coli
D. Proteus
Answer» B. Ureaplasma urealyticum
732.

Following are used in treatment of digitalis toxity except

A. Potassium
B. Lignocaine
C. Fab particles
D. Hemodialysis
Answer» E.
733.

The product to be obtained in excess in the urine in a case of pheochromocytoma:

A. Epinephrine
B. Metanephrine
C. Norepinephrine
D. 3-OH,4-methyl mandelic acid
Answer» C. Norepinephrine
734.

A 58 yrs old man is suspected of having bronchogenic CA; TB has been ruled out in this pt.The next investigation should be:

A. Bronchoscopy and biopsy
B. CT guided FNAC
C. X-Ray chest
D. Sputum cytology
Answer» B. CT guided FNAC
735.

Dryness of mouth dilated pupil delirium are symptoms of -

A. Chronic arsenic poisoning
B. Dhatura poisoning
C. Chronic lead poisoning
D. Opium addiction
Answer» C. Chronic lead poisoning
736.

Infectivity of chicken pox is seen

A. Till last scab falls off
B. 3 days after the appearance of rash
C. 6 days after the appearance of rash
D. As long as the fever lasts
Answer» D. As long as the fever lasts
737.

A 25 year old man with congenital cyanotic heart disease reports to emergency with history f headache.On examination there is a systolic murmur best heard on the left side of the sternum in the fourth intercostal space; the second sound was not split.Temperature is 37.5 Degree C.What is most likely diagnosis -

A. Cortical vein thrombosis
B. Pyogenic septicemia
C. Cerebral abscess
D. Encephalitis
Answer» D. Encephalitis
738.

Telefona refers to ?

A. Pulling of hairs
B. Beating of soles
C. Beating on both ears
D. Beating on head
Answer» D. Beating on head
739.

True about pheochromocytoma is A/E:

A. They secrete catecholamines
B. They arise from sympathetic ganglions
C. 90% are malignant
D. 95% occur in the abdomen
Answer» D. 95% occur in the abdomen
740.

Medical certificate is -

A. Hearsay evidence
B. Parole
C. Documentary evidence
D. Oral evidence
Answer» D. Oral evidence
741.

Which of the following is associated with HLA B27 -

A. Ankylosing spondylitis
B. Rhematoid arthritis
C. Scleroderma
D. Sjogren syndrome
Answer» B. Rhematoid arthritis
742.

Which of the following is multifocal tumour of vascular origin in a patient of AIDS?

A. Gastric carcinoma
B. Primary CNS lymphoma
C. Kaposi sarcome
D. Astrocytoma
Answer» D. Astrocytoma
743.

In Gout true statement is

A. Presence of Monosodium urate positively bifringent crystals in synovium
B. Presence of Monosodium urate negatively bifringent crystals in synovium
C. Presence of calciumpyrophosphate crystals positively bifringent crystals in synovium
D. Presence of calcium pyrophosphate crystals negatively bifringent crystals in the synovium
Answer» C. Presence of calciumpyrophosphate crystals positively bifringent crystals in synovium
744.

Clinical features of hereditary spherocytosis are A/E -

A. Serial blood culture
B. Anti DNAase
C. ASLO
D. Antistreptolysin
Answer» B. Anti DNAase
745.

The methods of judicial execution in India is -

A. Hanging
B. Length injection
C. Stoning
D. Beheading
Answer» B. Length injection
746.

S.typhi is the causative agent of enteric fever.The infective dose of S. typhi is -

A. 108 - 1010 bacilli
B. One bacillus
C. 1 - 10 bacilli
D. 102 - 105 bacilli
Answer» E.
747.

Hemodialysis is used in all except -

A. Organophosphates
B. Barbiturates
C. Theophylline poisoning
D. Salicylates
Answer» B. Barbiturates
748.

Petechial hemorhages in drowning is seen in -

A. Bronchioles
B. Alveoli
C. Subpleural tissues of lung
D. Submucosa of trachea
Answer» D. Submucosa of trachea
749.

ACTH is proved by which carcinoma ?

A. Adenocarcinoma Lung
B. Small cell carcinoma Lung
C. Squamous cell carcinoma of Lung
D. Bronchoveolar carcinoma Lung
Answer» C. Squamous cell carcinoma of Lung
750.

Smoking is not associated as a risk factor with:

A. Emphysema
B. Bronchiolitis obliterans organizing pneumonia
C. Small cell carcinoma
D. Respiratory bronchiolitis
Answer» C. Small cell carcinoma