Explore topic-wise MCQs in 12th.

This section includes 3578 Mcqs, each offering curated multiple-choice questions to sharpen your 12th knowledge and support exam preparation. Choose a topic below to get started.

3201.

Yeast is typically produced in fed batch reactors because

A. yeast cells ferment at low glucose concentrations
B. yeast cells produce ethanol at low glucose concentrations
C. all of the above
D. yeast cells respire at low glucose concentrations
Answer» E.
3202.

Cell wall protein of Streptococcus pyogenes crossreacts with human

A. cardiac valves
B. synovial fluid
C. vascular intima
D. myocardium
Answer» E.
3203.

An established cell line can be called where it has been subcultured at least

A. 40 times at an interval of 3 days between subcultures
B. 70 times at an interval of 3 days between subcultures
C. 50 times at an interval of 3 days between subcultures
D. 70 times at an interval of 1 day between subcultures
Answer» C. 50 times at an interval of 3 days between subcultures
3204.

What did Alfred Lothar Wegener build near Danmarkshavn?

A. Observatory
B. Planetarium
C. College
D. Meteorological station
Answer» E.
3205.

What was the mission of Apollo 11?

A. Dig for gold
B. Conquer the moon for USA
C. Build homes on the moon
D. Perform a manned lunar landing and return
Answer» E.
3206.

Foot plate of stapes is developed from -

A. Otic capsule
B. Meckel's cartillage
C. Hyoid arch
D. Reicherts cartillage
Answer» E.
3207.

The structure derived from the right forth aortic arch -

A. Right common carotid artery
B. Right subclavian artery
C. Aortic arch
D. None of the above
Answer» C. Aortic arch
3208.

Which of the following amino acid contain an imidazolium moiety?

A. Valine
B. Alanine
C. Histidine
D. Cysteine
Answer» D. Cysteine
3209.

The end of central venous pressure catheter should ideally be located in the -

A. Right atrium
B. Brachiocephalic vein
C. Superior vena cava
D. Subclavian vein
Answer» D. Subclavian vein
3210.

True about ureter -

A. Starts at the hilum
B. Changes its direction at the ischial spine
C. Penetrates the bladder wall without any valve
D. All of the above
Answer» E.
3211.

మానవ శరీరం లో అతి చిన్న ఎముక ఉండే భాగం ఏది ?

A. మోచేయి
B. కన్ను
C. చెవి
D. ముక్కు
Answer» D. ముక్కు
3212.

The built-in library function srand( ) is

A. used to generate random values.
B. used to set the starting seed for generating random values.
C. used to force a duplication of the random sequence pattern.
D. used to generate "special" random numbers.
Answer» C. used to force a duplication of the random sequence pattern.
3213.

ఆస్తి హక్కు ను ఏ సవరణ ద్వారా ప్రాధమిక హక్కుల నుండి తొలగించారు ?

A. 40
B. 42
C. 44
D. 45
Answer» D. 45
3214.

Facial Colliculus is seen in:

A. Pons
B. Midbrain
C. Interpeduncular foosa
D. Medulla
Answer» B. Midbrain
3215.

Anatomical dead space is increased by all of the following except:

A. Halothane
B. Atropine
C. Inspiration
D. Massive pleural effusion
Answer» E.
3216.

Cephalosporins and Penicillins interfere with which of the following?

A. DNA function
B. Protein synthesis
C. Cell wall synthesis
D. Cell membrane function
Answer» D. Cell membrane function
3217.

True about vertebral artery -

A. Branch of sub clavian artery
B. Accompany sympathetic ganglion
C. Passes through foramen transversarium of cervical vertebral
D. All of the above
Answer» E.
3218.

Untrue about ectodermal cleft is -

A. Cervical sinus is found between 2-6 arches
B. Ventral part of the cleft obliterated
C. Dorsal part of the 1 st cleft forms lining of external ear
D. None of the above
Answer» E.
3219.

Trochlear nerve all true except-

A. Arises from dorsum of brainstem.
B. Longest intracranial course.
C. Enters orbit through sup. orbital fissure outside annulus of zinn
D. Supply ipsilateral superior oblique muscle
Answer» E.
3220.

When was Albert Abraham Michelson born?

A. 2 May 1864
B. 14 February 1856
C. 19 December 1852
D. 19 September 1848
Answer» D. 19 September 1848
3221.

Fungi differ from the other eukaryotic microbes in having

A. ergosterol
B. flagella
C. an undulating membrane
D. chloroplasts
Answer» B. flagella
3222.

What was Alan Rickman’s role in The Butler?

A. Ronald Reagan
B. Gerald Ford
C. Richard Nixon
D. James Carter
Answer» B. Gerald Ford
3223.

Microbes can be removed from a liquid solution by the process of

A. freeze-drying
B. filtration
C. desiccation
D. osmosis
Answer» C. desiccation
3224.

Internal pudendal artery supplies ?

A. Perineum
B. Penis
C. Anal canal
D. All of the above
Answer» E.
3225.

When did Antoine de Saint Exupery publish Le Petit Prince?

A. 1953
B. 1948
C. 1960
D. 1943
Answer» E.
3226.

Which of the following fungi on infecting crop roots can improve their uptake of phosphorus and other nutrients?

A. VA Mycorrhiza
B. Saccharomyces cerevisiae
C. Aspergillus niger
D. Candida torulopsis
Answer» B. Saccharomyces cerevisiae
3227.

The library function isalpha( ) requires the header file

A. 1)
B. 2)
C. 3)
D. 4)
Answer» C. 3)
3228.

True regarding common bile duct is all except:

A. Portal vein lies posterior to it
B. Usually opens into duodenum separate from the main pancreatic duct
C. Opens 10 cm distal to the pylorus
D. Lies anterior to I.V.C.
Answer» C. Opens 10 cm distal to the pylorus
3229.

Centromere near the of chromosome -

A. Acrocentric
B. Metacentric
C. Submetacentric
D. Telocentric
Answer» B. Metacentric
3230.

Which of the folowing are valid float values?

A. 4
B. 4.5678
C. All of above
D. 70000
Answer» D. 70000
3231.

The temperature range for which copper resistance thermometer can be used is __________ °C

A. -200 to 150
B. 0 to 150
C. 500 to 900
D. 350 to 750
Answer» B. 0 to 150
3232.

A 40 year female has to undergo insicional hernia surgery under general anesthesia.She complains of awareness during her past cesarean section.Which of the following monitoring techniques can be used to prevent such awareness ?

A. Color doppler
B. Bispectral index monitoring
C. Transesophageal echocardiography
D. Pulse plethysmography
Answer» C. Transesophageal echocardiography
3233.

The bacteria which is microaerophilic on primary isolation, is

A. Mycobacterium tuberculosis
B. M fortuitum
C. none of these
D. M bovis
Answer» E.
3234.

With regard to Ketamine, all of the following are true except -

A. It is a direct myocardial depressent
B. Emergency phenomena are more likely if anticholinergic premedication is used
C. It may induced cardiac dysarythmias in patients receiving tricyclic antidepressents
D. Has no effect intracranial pressure
Answer» E.
3235.

The primary reason for AIDS, a deadly disease is that it

A. is caused by a bacterium
B. is caused by a virus
C. causes a breakdown of the body's inflammatory response
D. destroys key components of the body's internal defense system
Answer» E.
3236.

Ceruminous glands presents in the ear are -

A. Modified eccrine glands
B. Modified apocrine glands
C. Mucous gland
D. Modified holocrine glands
Answer» C. Mucous gland
3237.

When was Alan Hodgkin born?

A. 5/24/1912 12:00:00 AM
B. 2/5/1914 12:00:00 AM
C. 12/25/1916 12:00:00 AM
D. 9/4/1907 12:00:00 AM
Answer» C. 12/25/1916 12:00:00 AM
3238.

The immunoglobulin fold is

A. a β-barrel composed of a three- and a four-stranded antiparallel β-sheet
B. found only in IgG molecules
C. found six times in the IgG molecule
D. both ( and (
Answer» B. found only in IgG molecules
3239.

Which of those immunoglobulin classes is mainly found in external secretions?

A. Ig D
B. Ig A
C. IgE
D. Ig M
Answer» C. IgE
3240.

Branchial Sinus passes between -

A. Superficial to ECA
B. Post. Mediastinum
C. Two carotids
D. IJV and carotid
Answer» D. IJV and carotid
3241.

IRDP కాయక్రమాన్ని దేశ వ్యాప్తంగా ఎప్పుడు విస్తరించారు ?

A. అక్టోబర్ 2, 1980
B. అక్టోబర్ 2, 1982
C. అక్టోబర్ 2, 1991
D. అక్టోబర్ 2, 1996
Answer» B. అక్టోబర్ 2, 1982
3242.

Central venous pressure (CVP) monitoring -

A. Can give valuable information concerning the left side of heart
B. Is not useful for estimating blood volume status
C. Can be accomplished by passing a catheter via the right internal jugular vein approach
D. Is valuable as a single reading
Answer» D. Is valuable as a single reading
3243.

Immunosuppressive agent(s) is/are

A. Methotrexate
B. Cyclosporine
C. All of these
D. Anti-lymphocytic serum
Answer» D. Anti-lymphocytic serum
3244.

The smallest cranial nerve is the -

A. Oculomotor
B. Trochlear
C. Olfactory
D. Accessry
Answer» C. Olfactory
3245.

స్వత్రంత్ర భారత మొట్ట మొదటి గవర్నర్ జనరల్ ఎవరు ?

A. లార్డ్ మౌంట్ బాటన్
B. విలియం బెంటింక్
C. సి . రాజగోపాలాచారి
D. లార్డ్ కాన్నింగ్
Answer» B. విలియం బెంటింక్
3246.

The following statements are true regarding the SA node except -

A. Is located at the right border of the ascending aorta
B. It contains specilized nodal cardiac muscle
C. It is supplied by the atrial branches of the right coronary artery
D. It initiates cardiac conduction
Answer» B. It contains specilized nodal cardiac muscle
3247.

A 27 year old female was brought to emergency department for acute abdominal pain following which she was shifted to the operation theatre for Laparotomy.A speedy intubation was performed but after the intubation, breath sounds wereobserved to be decreased on the left side and a high end tidal CO2 was recorded. The likely diagnosis is:

A. Esophageal intubation
B. Endobronchial intubation
C. Endotracheal tube blockage
D. Bronchospasm
Answer» C. Endotracheal tube blockage
3248.

అంతర్జాతీయ అక్షరాష్యతా దినోత్సవం ?

A. జూలై 6
B. మార్చ్ 18
C. సెప్టెంబర్ 8
D. అక్టోబర్ 8
Answer» D. అక్టోబర్ 8
3249.

Which of the following species of Mycobacterium is positive for nitrate reduction test?

A. M fortuitum
B. M chelonei
C. All of these
D. Mycobacterium tuberculosis
Answer» D. Mycobacterium tuberculosis
3250.

Fusion of karyoplast with the enucleated cell is achieved in presence of

A. polyethylene glycol
B. cytochalasin B
C. alcohol
D. both ( and (
Answer» B. cytochalasin B