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.

601.

How many fully frozen packs should a vaccine carrier contain ?

A. 2
B. 4
C. 6
D. 8
Answer» C. 6
602.

Japanese encephalitis is transmitted by ?

A. Culex
B. Aedes
C. Mansonia
D. Anopheles
Answer» B. Aedes
603.

Scope of family planning services include all of the following except:

A. Providing services for unmarried mothers
B. Screening for cervical cancer
C. Providing adoption services
D. Screening for HIV infection
Answer» E.
604.

Doctor\'s solution used for sweetening of petroleum products is

A. sodium sulphite
B. sodium plumbite
C. lead sulphate
D. sodium thiosulphate
Answer» C. lead sulphate
605.

Monday falls on 4th April 1988. What was the day on 3rd November, 1987?

A. Monday
B. Tuesday
C. Sunday
D. Saturday
Answer» C. Sunday
606.

Conversion of yellow phosphorus to red phosphorous is done in retorts at 250-450°C in the

A. presence of a reducing atmosphere
B. presence of an inert atmosphere.
C. presence of an oxidising atmosphere
D. absence of air.
Answer» E.
607.

Raw materials for \'Solvay Process\' for manufacture of the soda ash are

A. ammonia, salt and limestone.
B. salt, limestone and coke or gas.
C. none of these.
D. ammonia limestone and coke
Answer» C. none of these.
608.

The terms \"low speed\" and \"high speed,\" applied to logic circuits, refer to the ________.

A. fall time
B. rise time
C. clock speed
D. propagation delay time
Answer» E.
609.

A single-phase transformer has its maximum efficiency at 60 per cent of full load. At full load copper loss will be

A. Less than core loss
B. Equal to core loss
C. Zero
D. More than core loss
Answer» E.
610.

Ramu gave 35 percent of the amount he had to Shakeel. Shakeel in turn gave two-thirds of what he received from Ramu to Joseph. After paying Rs150 on lunch out of the amount he got from Shakeel, Joseph now has Rs550 left with him. How much amount did

A. Rs2000
B. Rs2800
C. Rs2800
D. Rs3000
Answer» E.
611.

How many three-digit numbers are divisible by 6 in all?

A. 150
B. 149
C. 166
D. 151
Answer» B. 149
612.

Of four numbers whose average is 60, the first is 1/4th of the sum of the last three. The first number is

A. 45
B. 15
C. 55
D. 48
Answer» E.
613.

There are 30 students in a class. The average age of first 10 students is 12.5 years. The average age of next 20 students is 13.1 years. The average age (in years) of the students of the whole class is:

A. 12.7
B. 12.5
C. 12.9
D. 12.8
Answer» D. 12.8
614.

For which of the following does there exist a graph G = (V,E, ) satisfying the specifiedconditions?

A. A graph with 5 components 12 vertices and 7 edges.
B. A tree with 9 vertices and the sum of the degrees of all the vertices is 18.
C. A graph with 9 vertices, 9 edges, and no cycles.
D. A graph with 5 components 30 vertices and 24 edges.
Answer» B. A tree with 9 vertices and the sum of the degrees of all the vertices is 18.
615.

At a photocopy center, the first 10 copies cost x cents each. Each of the next 50 copies costs 5 cents less per copy. From the 61st copy on, the cost is 2 cents per copy. In terms of x, how much does it cost in cents to have 200 copies made?

A. 50x – 30
B. 60x 30
C. 60x – 110
D. 50 (x – 5)
Answer» C. 60x – 110
616.

The collector current in a bipolar junction transistor is 2 mA when the base current is 0.1 mA. Which one of the following gives the emitter current?

A. 2.1 mA
B. 1.9 mA
C. None of above
D. 20 mA
Answer» B. 1.9 mA
617.

Which of the following local anaesthetics causes vasoconstriction:

A. Lidocaine
B. Procaine
C. Chlorprocaine
D. Cocaine
Answer» E.
618.

Inorganic phosphate is used which enzyme of glycolysis ?

A. Glucose-6 phosphatase
B. Phospo fructokinase
C. Phosphoglycerate kinase
D. Enolase
Answer» D. Enolase
619.

Most common site of osteomas amongst the paranasal sinuses is ?

A. Maxillary
B. Frontal
C. Ethmoidal
D. Sphenoidal
Answer» C. Ethmoidal
620.

A diabetic patient has black necrotic mass in nose,most likely causes is:

A. Mucormycosis
B. Aspergillus
C. Histoplasmosis
D. Candidiasis
Answer» B. Aspergillus
621.

In a well fed state, the activity of CPT-I is outer mitochondrial membrane is inhibited by -

A. Glucose
B. Pyruvate
C. Acetyl CoA
D. Malonyl CoA
Answer» E.
622.

Iron is stored in the body as:

A. Ferritin
B. Apoferritin
C. Transferrin
D. Hemosiderin
Answer» B. Apoferritin
623.

True about nucleosome -

A. Each complex is separated from each other by non histone proteins
B. Use only one type of hgistone protein
C. Reflect small nucleus
D. Regular repeating structure of DNA and histone proteins
Answer» E.
624.

The best method to differentiate proteins is by -

A. Gel chromatography
B. Affinity chromatography
C. Ion exchange electrophoresis
D. None of the above
Answer» B. Affinity chromatography
625.

The change seen in the muscular arteries in polyarteritis nodosa A/E -

A. Plasma cell infiltration
B. Eosinophilic infiltration
C. Intimal proliferation
D. Multiple nodules
Answer» C. Intimal proliferation
626.

All predispose to digoxin toxicity except -

A. Hypokalemia
B. Hypomagnesemia
C. Hypocalcemia
D. Hypothyroidism
Answer» D. Hypothyroidism
627.

Pseudofracture is classically seen in -

A. Hypoparathyroidism
B. Osteoporosis
C. Pseudohypoparathyroidism
D. Osteomalacia
Answer» E.
628.

Administration of digoxin in patient with atrial flutter results in -

A. Ventricular tachycardia
B. Atrial tachycardia
C. Normal rhythms
D. Atrial fibrillation
Answer» E.
629.

Type of wave in Metabolic Encephalopathy -

A. Alpha
B. Beta
C. Gamma
D. Delta
Answer» E.
630.

Muscle not usually involved in polymyositis is -

A. Limb muscles
B. Ocular muscles
C. Pharnygeal muscles
D. Jaw muscle
Answer» C. Pharnygeal muscles
631.

Proximal interphalangeal, distal interphalangeal and 1st metacarpophalangeal joint involvement and sparing of wrist is a feature of -

A. Rheumatoid arthritis
B. Pseudogout
C. Psoriatic arthropathy
D. Osteoarthritis
Answer» E.
632.

All of the following features are characteristic of adult-respiratory distress syndrome except -

A. Hypercapnia
B. Right to Left shunt
C. Stiff lungs
D. Lack of response to conventional oxygen therapy
Answer» B. Right to Left shunt
633.

The antibodies that are seen in Grave's disease are -

A. ANA
B. TSH receptor antibodies (TRAB)
C. Thyroid peroxidase antibodies
D. Anti T3 antibodies
Answer» D. Anti T3 antibodies
634.

Most common precipitating factor for COPD is -

A. Environment
B. Smoking
C. Allergen
D. All of the above
Answer» C. Allergen
635.

G-6-PD deficiency disease-is

A. Autosomal dominant
B. Autosomal recessive
C. X-linked dominant
D. X-linked recessive
Answer» E.
636.

In Diabetic Nephropathy all the following are true except -

A. Cardiovascular abnormalities can occur
B. Micro and macro-albuminuria can occur
C. ACE inhibitors can reduce micro-albuminuria
D. Insulin requirement becomes high
Answer» E.
637.

Most common presenting symptom of non-cirrhotic portal hypertension is

A. Ascites
B. Chronic liver failure
C. Encephalopathy
D. Upper gastrointestinal bleeding
Answer» E.
638.

Tendon reflexes are ......in tabes dorsalis -

A. Lost
B. Exaggerated
C. Normal
D. Weak
Answer» B. Exaggerated
639.

Vegatations on undersurface of A.V. valves are found in -

A. Acute Rheumatic fever
B. Limban sach's endocarditis
C. Non thrombotic bacterial endocarditis
D. Chronic rheumatic carditis
Answer» C. Non thrombotic bacterial endocarditis
640.

Serum HDL is increased by-

A. Nicotinic acid
B. Atorvastatin
C. Gemfibrozel
D. Probucol
Answer» B. Atorvastatin
641.

Cardiac tamponade is characterised by all except -

A. Irregular pulse
B. Hypotension
C. Reduce pulse pressure
D. Pulsus paradoxus
Answer» B. Hypotension
642.

Not seen in serotonin withdrawal is ?

A. Nausea
B. Irritability
C. Vivid dreams
D. Flushing
Answer» E.
643.

Mid steatorrhea is caused by -

A. Trichomonas vaginalis
B. Giardia lamblia
C. E. histolytica
D. Entamoeba coli
Answer» C. E. histolytica
644.

About systematic inflammatory response syndrome(SIRS) all are true except -

A. Leukopenia
B. Hyperthermia
C. Hypoxia
D. Tachycardia
Answer» D. Tachycardia
645.

Which of the following is the treatment of choice for kawasaki's disease ?

A. Cyclosporine
B. Dapsone
C. Intravenous immunoglobulin
D. Methotrexate
Answer» D. Methotrexate
646.

Solitary pulmonary nodule in the lung with popcorn calcification is suggestive of -

A. Carcinoma
B. Tuberculorna
C. Hamartoma
D. Metastasis
Answer» D. Metastasis
647.

Ostium primum type of ASD is associated with all except

A. MR
B. TR
C. AR
D. Lt to RT shunt
Answer» D. Lt to RT shunt
648.

Pulse absent in subclavian artery in -

A. Coarctation of aorta
B. Aortic regurgitation
C. Takayasu's disease
D. Dissection of Aorta
Answer» D. Dissection of Aorta
649.

A 26yrs old asymptomatic lady patient has MCV-70,ferritin - 100g/L, Hb-10gm%.Most possible cause is:

A. Folate deficiency
B. Iron deficiency
C. Thalassemia trait
D. B12 deficiency
Answer» D. B12 deficiency
650.

The recommended dose for post exposure prophylaxis of human tetanus immune globulin (TIG) is

A. 250-500 units
B. 500-750 units
C. 750-1,000 units
D. 1,000-1,250 units
Answer» B. 500-750 units