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.

2101.

In 'hypertensive emergency'-drug not used now-a-days-

A. Sodium nitroprusside
B. S/L nifedipine
C. Labetalol
D. Phentolamine
Answer» C. Labetalol
2102.

The percentage of individual with a given genotype, which exhibits the associated phenotype, is defined as

A. expressivity
B. penetrance
C. environmental influence
D. inheritance percent
Answer» C. environmental influence
2103.

నల్ల మందు మొక్క (POPY ) నుండి ఉత్పత్తి చేసే మత్తు పదార్ధమేది ?

A. మార్ఫిన్
B. రిసర్ఫిన్
C. గంజాయి
D. ఇథైల్ ఆల్కహాల్
Answer» B. రిసర్ఫిన్
2104.

Which was Antoine de Saint Exupery’s first book?

A. Lettres aux americains
B. Citadelle
C. Un sens a la vie
D. Courirer Sud
Answer» E.
2105.

Which of the following forces is the most unfavorable for protein folding?

A. Hydrophobic interactions
B. Conformational entropy
C. Electrostatic interactions
D. Vander Waals interactions
Answer» C. Electrostatic interactions
2106.

Immunogenicity

A. is usually a property of self antigens such as eye tissue
B. depends on the ability of the native antigen to be presented by MHC
C. is not a property of haptens
D. is not a property of antibodies
Answer» D. is not a property of antibodies
2107.

Surface marking of internal jugular vein is by joining two points between ?

A. Medial end of clavicle to point of neck medial to lobule of ear
B. Upper part of the sternal end of the clavicle to a point midway between the tip of the mastoid process and the angle of the mandible
C. Sternoclavicular articulation to the middle of the clavicle
D. Angle of the mandible to the middle of the clavicle
Answer» B. Upper part of the sternal end of the clavicle to a point midway between the tip of the mastoid process and the angle of the mandible
2108.

Which of the following is the process of choosing parent organisms for the characteristics that is wanted in their offspring?

A. Reproductive selection
B. Active selection
C. Breeding selection
D. Selective breeding
Answer» E.
2109.

The reactions of molecules

A. are independent of the functional groups
B. are the reactions of the functional groups
C. all of the above
D. require an enzyme in all cases
Answer» C. all of the above
2110.

Esophagus enters through -

A. Central tendon of diaphragm
B. Along aortic opening
C. Muscular part of diaphragm
D. All of the above
Answer» D. All of the above
2111.

The Couinaud's segmental nomenclature is based on the position of the:

A. Portal vein and biliary ducts
B. Portal vein and hepatic artery
C. Hepatic veins and portal vein
D. Hepatic veins and biliary ducts
Answer» D. Hepatic veins and biliary ducts
2112.

Which one of the following Indian breeds of sheep , you will suggest meat and carpet wool production?

A. Deccani
B. Nellore
C. Gaddi
D. Mandya
Answer» E.
2113.

Fibres passing through crus-cerebri are -

A. Corticonuclear and Corticospinal fibres
B. Medial liminiscus
C. Spinothalamic
D. All of the above
Answer» B. Medial liminiscus
2114.

Aerobic Colony Count (ACC), is also known as

A. Aerobic plate count (APC)
B. Total viable count (TVC)
C. All of these
D. Standard plate count (SPC)
Answer» D. Standard plate count (SPC)
2115.

Fastest onset skeletal muscle ralaxant is ?

A. Vencuronium
B. Rocuronium
C. Mevacurium
D. Atracurium
Answer» C. Mevacurium
2116.

S.A node located at ?

A. Upper End Crista Terminalis
B. Lower end of Crista Terminalis
C. At opening of IVC
D. At Ostium Primum
Answer» B. Lower end of Crista Terminalis
2117.

Who as Alabama’s governor in 1963 tried to stop desegregation in the University of Alabama?

A. Edmund Muskie
B. Strom Thurmond
C. Curtis LeMay
D. George Wallace
Answer» E.
2118.

An elderly male on ventilator has received atracurium infusion for 3 days.He now develops epileptic fits.Probable cause for his epilepsy is:

A. Accumulation of Atracurium
B. Allergy to drug
C. Ventilator failure
D. Accumulation of Laudanosine
Answer» E.
2119.

Most common causes of postoperative renal failure -

A. Decreased renal perfusion
B. Toxicity of anesthetic drugs
C. Toxicity of antibiotics
D. All of the above
Answer» B. Toxicity of anesthetic drugs
2120.

The tendency of interpreting useful information in a way that fits customers preconceptions is classified as

A. planned attention
B. selective distortion
C. planned distortion
D. planned retention
Answer» C. planned distortion
2121.

The bacterial sore throat is caused by

A. Haemophilus spp
B. Staphylococcus aureus
C. Mycoplasma pneumoniae
D. Streptococcus pyogenes
Answer» E.
2122.

Most antibiotics are isolated from

A. aquatic microorganisms
B. viruses
C. plants
D. soil microorganisms
Answer» E.
2123.

Chemically an antigen may be

A. protein
B. lipid
C. any of these
D. polysaccharide
Answer» D. polysaccharide
2124.

కల్పనా చావ్లా మెమోరియల్ ప్లానిటోరియం ఎక్కడ ఉన్నది ?

A. పంజాబ్
B. హర్యానా
C. గుజరాత్
D. రాజస్తాన్
Answer» C. గుజరాత్
2125.

Kopp\'s rule is used to calculate the heat capacity of

A. liquids
B. solids
C. all (, ( & (
D. gases
Answer» C. all (, ( & (
2126.

The bacteria which is predominant flora of the human gut is

A. Clostridium perfringens
B. Escherichia coli
C. Actinomyces
D. Bacteroides
Answer» B. Escherichia coli
2127.

Intrinsic laryngeal muscles are supplied by ?

A. Internal laryngeal nerve
B. External laryngeal nerve
C. Recurrent laryngeal nerve
D. Inferior laryngeal nerve
Answer» D. Inferior laryngeal nerve
2128.

ప్రణాలికా సంఘం అధ్యక్షుడు ఎవరు ?

A. ప్రదాన మంత్రి
B. రాష్టపతి
C. ఉప రాష్టపతి
D. స్పీకర్
Answer» B. రాష్టపతి
2129.

Gallamine is excreted mainly through ?

A. Bile
B. Liver
C. Kidney
D. Pseudocholinesterase
Answer» D. Pseudocholinesterase
2130.

200 kg of solids (on dry basis) is subjected to a drying process for a period of 5000 seconds. The drying occurs in the constant rate period with the drying rate as, Nc = 0.5 x 10-3 kg/m2.s. The initial moisture content of the solid is 0.2 kg moistu

A. 0.05
B. 0.5
C. 0.15
D. 0.1
Answer» D. 0.1
2131.

క్షారాల PH విలువ ఎంత ?

A. 1 నుండి 5 వరకు
B. 5 నుండి 7 వరకు
C. 7 నుండి 14 వరకు
D. 14 నుండి 20 వరకు
Answer» D. 14 నుండి 20 వరకు
2132.

Ilio femoral ligament arise from -

A. Iiopubic rami
B. Anterior inferior iliac spine
C. Ischial tuberosity
D. Anterior superior iliac spine
Answer» C. Ischial tuberosity
2133.

Uterus develops from ?

A. Paramesonephric ducts
B. Sinovaginal bulbs
C. Metanephric blastema
D. Urogenital folds
Answer» B. Sinovaginal bulbs
2134.

True statements about esophageal hiatus -

A. At the level of D12 vertebra
B. Lies between two cura of diaphragm
C. Throcic duct passes through it
D. Vagus nerve passes through it
Answer» E.
2135.

రక్తం యొక్క PH విలువ ఎంత ?

A. 5.32 - 6.50
B. 4.2 - 6.5
C. 7.32 - 7.45
D. 8.2 - 9.5
Answer» D. 8.2 - 9.5
2136.

All the following are true regarding blood supply to the kidney,EXCEPT:

A. It is a type of portal-circulation
B. Stellate veins drain superficial zone
C. Its segmental arteries are end-arteries
D. The renal artery divids into five segmental arteries before entering the hilum
Answer» B. Stellate veins drain superficial zone
2137.

Chromosomal nomenclature is based on

A. Position of the centromere
B. Staining properties
C. Number of chromosomes
D. Length of the arms
Answer» B. Staining properties
2138.

The common methods used for disinfection in waste water treatment plants are

A. UV light
B. chlorination
C. Phenolic solvent
D. both ( and (
Answer» E.
2139.

Pudendal nerve supplying motor part to external sphincter is derived from -

A. L2 - L3 roots
B. S2 - S3 roots
C. L5 - S1 roots
D. S1 - S2 roots
Answer» C. L5 - S1 roots
2140.

Haversian canal not seen in -

A. Compact bone
B. Diaphyseal bone
C. Spongy bone
D. Cortical bone
Answer» D. Cortical bone
2141.

For how many years was Andrew Jackson a judge of the Tennessee Supreme Court?

A. Six
B. Four
C. Ten
D. Eight
Answer» B. Four
2142.

In new-task buying mode, the business buyer makes the

A. new decisions
B. modified purchases
C. fewest decision
D. most of the decision
Answer» E.
2143.

Trapezoid body is associated with -

A. Pyramidal pathway
B. Gustatory pathway
C. Auditory pathway
D. Visual pathway
Answer» D. Visual pathway
2144.

Blood supply of Meckel's diverticulum is from branch of:

A. Coeliac trunk
B. Superior mesenteric artery
C. Inferior mesenteric artery
D. Ileocolic artery
Answer» C. Inferior mesenteric artery
2145.

Conc.of Lidocaine used in spinal Anaesthesia

A. 0.05
B. 0.03
C. 0.02
D. 0.01
Answer» B. 0.03
2146.

tan(45°+A)tan(45°-A) =

A. 1
B. tanA
C. −tanA
D. −cotA
Answer» B. tanA
2147.

Double arch aorta arises from ?

A. Right 6th aortic arch
B. Left 6th aortic arch
C. Right 4th aortic arch
D. Left 4th aortic arch
Answer» D. Left 4th aortic arch
2148.

How many days old paddy seedling is used for SRI technology?

A. 8-12 days
B. 12-15 days
C. 25-30 days
D. 30-35 days
Answer» B. 12-15 days
2149.

The fungus responsible for ergotism belongs to which of the following fungal divisions?

A. Oomycota
B. Deuteromycota
C. Ascomycota
D. Zygomycota
Answer» D. Zygomycota
2150.

మన జాతీయ గీతం లో ఎన్ని పద్యాలున్నాయి ?

A. మూడు
B. రెండు
C. నాలుగు
D. ఐదు
Answer» E.