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.

201.

The most common Intracranial tumor in children is

A. Glioma
B. Ependymoma
C. Meningioma
D. Lymphangioma
Answer» B. Ependymoma
202.

A neonate requires how much pressure for first inflation ?

A. 25 mm of Hg
B. 25 cm of H2O
C. 25 cm of Hg
D. 25 mm of H2O
Answer» C. 25 cm of Hg
203.

A girl child with fever, cough, dysponea with X-ray showing right lower lobe patchy consolidation, for which treatment was given.After 8 weeks symptoms improved but X-ray showed more dense consolidation involving the whole of the right lower lobe.What is the next best line of investigation ?

A. Barium esophagogram
B. Allergic skin test
C. Bronchoscopy
D. Culture from nasopharynx
Answer» D. Culture from nasopharynx
204.

In an Autosomal Recessive (AR) disorder,one parent is normal and the other is carrier and the child is also affected.What is the reason?

A. Germ line mosaicism
B. Genomic imprinting
C. Penetration
D. Uniparental disomy
Answer» E.
205.

All these conditions can produce first day jaundice in newborn EXCEPT -

A. Rh incompatibility
B. Torch infection
C. Congenital hypertrophic pyloric stenosis
D. G6PD deficiency
Answer» C. Congenital hypertrophic pyloric stenosis
206.

A breast fed child presents with hypernatremia(Serum sodium > 170mEq/L).His urine sodium is 70 mEq/L.Which of the following is the most likely cause-

A. Diabetes insipidus
B. Acute necrosis
C. Severe dehydration
D. Excessive intake of sodium
Answer» E.
207.

All of the following occurs in Down syndrome except:

A. Deafness
B. Semian crease
C. Translocation
D. None
Answer» E.
208.

Viral HIV integrase inhibitors is

A. Zidovudine
B. Maroviroc
C. Raltegravir
D. Enfuviritide
Answer» D. Enfuviritide
209.

A person with C/o pain epigastrium,radiating to back off and on.The investigation of choice:

A. USG abdomen
B. Radio nuclide scan
C. MRI
D. CT abdomen
Answer» E.
210.

High resolution computed tomography of the chest is the ideal modality for evaluating:

A. Interstitial lung disease
B. Pleural effusion
C. Mediastinal adenopathy
D. Lung mass
Answer» B. Pleural effusion
211.

All are chemosensitive except -

A. Ewing's tumor
B. Malignant melanoma
C. Small Cell CA
D. Ca Cervix
Answer» C. Small Cell CA
212.

Contrasts used in USG -

A. Ultragraffin
B. Urograffin
C. Cocary
D. Sonavist
Answer» E.
213.

Hirschberg test is used for ?

A. Ptosis
B. Keratitis
C. Corneal curvature
D. Strabismus
Answer» E.
214.

PACS in medical imaging stands for -

A. Planned archiving computerized system
B. Planned archiving common system
C. Picture archiving or computerized system
D. Picture archiving and communication system
Answer» E.
215.

Pathognomic feature of hyperparathyrodism -

A. Brown's tumor
B. Sub periosteal resoption of phalynges
C. Osteopenia
D. Loss of Lamina dura
Answer» C. Osteopenia
216.

Cherry red spot is seen in

A. Eale's disease
B. Retinitis pigmentosa
C. Central retinal artery thrombosis
D. Central retinal vein occlusion
Answer» D. Central retinal vein occlusion
217.

Typically bilateral inferior lens subluxations of the lens is seen in:

A. Homocystinuria
B. Marfan's syndrome
C. Ocular trauma
D. Hyperinsulinemia
Answer» B. Marfan's syndrome
218.

Which of the following will cause Bull's eye retinopathy -

A. INH
B. Chloroquine
C. Ethambutol
D. Steroids
Answer» C. Ethambutol
219.

Keyser-Fleischer ring is a feature of -

A. Wiel's disease
B. Hepatolenticular degeneration(wilson's disease )
C. Viral hepatitis
D. Hepatoma
Answer» C. Viral hepatitis
220.

Flourscent dye for opthalmological diagnosis is injected in:

A. Femoral vein
B. Subclavian vein
C. Antecubital vein
D. Popleteal vein
Answer» D. Popleteal vein
221.

A biopsy was performed for a patient with recurrent chalazion involving the upper lid.The most likely diagnosis on histopathology is:

A. Squamous cell carcinoma
B. Malignant Melonoma
C. Sebaceous cell carcinoma
D. Basal cell carcinoma
Answer» D. Basal cell carcinoma
222.

Amifostine, protects all of the following except:

A. Kidneys
B. GIT
C. CNS
D. Salivary glands
Answer» D. Salivary glands
223.

Chronic granulomatous disease is -

A. Associated with formation of multiple granulomas
B. A benign neoplastic process
C. A parasitic disease
D. A leukocyte function defect
Answer» E.
224.

Zellballen pattern on histopathology is observed in ?

A. GIST
B. Astrocytoma
C. Carotid body tumor
D. Retinoblastoma
Answer» D. Retinoblastoma
225.

In an immunocompromised patient, what is correct -

A. Complement deficit causes parasitic infection
B. T-cell deficit causes pyogenic bacterial infection
C. B-cell deficit causes capsulated bacterial infection
D. All of the above
Answer» D. All of the above
226.

DIC is most commonly seen in which AML type ?

A. M2
B. M3
C. M4
D. M5
Answer» C. M4
227.

The percentage of pulmonary emboli,that proceed to infraction,is approximately:

A. 5-15%
B. 0-5%
C. 30-40%
D. 20-30%
Answer» B. 0-5%
228.

Drug of choice for diarrhea in HIV is ?

A. Loperamide
B. Somatostatins
C. Octreotide
D. Codeine
Answer» D. Codeine
229.

The commonest side-effect of Cisapride is

A. Abdominal cramps
B. Diarrhea
C. Headache
D. Convulsions
Answer» C. Headache
230.

All are side effects of Lisinopril except

A. Dizziness
B. Jaundice
C. Cough
D. Angioneurotic edema
Answer» C. Cough
231.

All except, aggravates myastheia gravis

A. Tetracycline
B. Aminoglycoside
C. Aazathioprine
D. Phenytoin
Answer» D. Phenytoin
232.

Drug of choice for chemoprophylaxis against rheumatic fever is -

A. Penicillin V
B. Erythromycin
C. Benzathine penicillin
D. Procaine penicillin
Answer» D. Procaine penicillin
233.

Aeroplane splint is used for:

A. Dislocation fracture around the elbow
B. Fracture patella and injuries of the knee joint
C. Brachial plexus injury
D. CTEV
Answer» D. CTEV
234.

Which of the following tumors arise from epiphysis -

A. Osteoclastoma (GCT)
B. Ewing's sarcoma
C. Osteosarcoma
D. Chendromyxoid fibroma
Answer» B. Ewing's sarcoma
235.

Complications of Colle's fracture include all of the following except:

A. Nonunion
B. Malunion
C. Rupture of EPL tendon
D. Sudeck's osteodystrophy
Answer» B. Malunion
236.

Which activity will be difficult to perform for a patient with an anterior cruciate deficient knee joint?

A. Walk downhill
B. Walk uphill
C. Sit cross leg
D. Getting up from sitting
Answer» B. Walk uphill
237.

Most common site for pseudotumour like growth in haemophilic arthropathy is:

A. Gastrocnemius
B. Iliopsoas
C. Quadriceps femoris
D. Hamstring muscle
Answer» C. Quadriceps femoris
238.

A patient with HIV is on therapy with protease inhibitors.He presents with limitation of abduction and internal rotation of the hip.The most probable diagnosis is:

A. Avascular necrosis (AVN) of femoral head
B. Tuberculosis of hip joint
C. Septic arthritis of hip
D. Secondary osteoarthritis of hip
Answer» B. Tuberculosis of hip joint
239.

Pseudoarthrosis may be seen in all of the following conditions except:

A. Neurofibromatosis
B. Osteomyelitis
C. Fracture
D. Idiopathic
Answer» C. Fracture
240.

Aspirin and NSAIDS are most commonly involved in which non-immunological reaction ?

A. Photosensitivity
B. Urticaria
C. Anyphylactoid reaction
D. Pain
Answer» D. Pain
241.

Calcification of inter vertebral disc is a feature of -

A. Ankylosing spondilytis
B. Hyperparathyroiditis
C. Charcot's disease
D. Alkaptonuria
Answer» E.
242.

The finish type of congenital nephritic syndrome occurs due to gene mutations affecting the following protein:

A. Alpha-actinin
B. Podocin
C. CD2 activated protein
D. Nephrin
Answer» E.
243.

The following drugs cause methemoglobinemia -

A. Aniline
B. Dapsone
C. Nitrates
D. All of the above
Answer» E.
244.

With reference to Bacteroides fragilis the following statements are true except

A. The lipoolysaccharide formed by B. fragilis is structurally and functionally different from the conventional Endotoxin
B. Shock and DIC are common in Bacteroides bacteremia
C. B. fragilis is the most frequent anaerobe isolated from clinical samples
D. B. fragilis is not uniformly sensitive to Metronidazole
Answer» C. B. fragilis is the most frequent anaerobe isolated from clinical samples
245.

The drug of choice for the treatment of Thyrotoxicosis during pregnancy is:

A. Carbimazole
B. Iodine therapy
C. Propyl thiouracil
D. Metimazole
Answer» D. Metimazole
246.

All of the following statements about methotrexate are true except:

A. Non proliferative cells are resistant to methotrexate
B. Methotrexate is used in treatment of psoriasis
C. Folinic acid enhances the action of methotrexate
D. Methotrexate inhibit dehydrofolate reductase
Answer» D. Methotrexate inhibit dehydrofolate reductase
247.

Mallory hyaline is characteristic feature of ?

A. Hepatocellular carcinoma
B. Primary biliary cirrhosis
C. Alcoholic liver disease
D. Wilson's disease
Answer» D. Wilson's disease
248.

Which of the following is NOT an inotropic drug

A. Dopamine
B. Isoprenaline
C. Amrinone
D. Amiodarone
Answer» E.
249.

Extra-axial Intracranial lesion showing contrast enhancement on MRI is suggestive of:

A. Arachnoid cyst
B. Astrocytoma
C. Meningioma
D. Ependymoma
Answer» D. Ependymoma
250.

Which is not a side effect of prostaglandin ?

A. Vomitin
B. Fever
C. Convulsion
D. Diarrhea
Answer» D. Diarrhea