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.

2201.

Which of the following genera can cause disease in humans?

A. Parapoxvirus
B. Orthopoxvirus
C. All of these
D. Molluscipoxvirus
Answer» D. Molluscipoxvirus
2202.

All of the following cranial nerves contain Somatic Efferents,Except:

A. IV Nerve (Trochlear nerve)
B. VI Nerve (Abducent nerve)
C. VII Nerve (Facial nerve)
D. III Nerve (Occulomotor nerve)
Answer» D. III Nerve (Occulomotor nerve)
2203.

Visual cortex is supplied by -

A. Media cerebral artery
B. Anterior cerebral artery
C. Anterior inferior cerebral artery
D. Posterior cerebral artery
Answer» E.
2204.

A heterocyst is

A. a terminally differentiated cell that fixes nitrogen
B. a type of spore
C. a cell that carries out oxygenic photosynthesis
D. the progenitor of cyanobacterial vegetative cells
Answer» B. a type of spore
2205.

When the marketers offer the products which is representation of the category as a whole is classified as

A. representative heuristic
B. motivation heuristic
C. expectancy heuristic
D. psychological heuristic
Answer» B. motivation heuristic
2206.

Blood supply of lungs are -

A. Bronchial artery
B. None
C. Pulmonary artery
D. Pulmonary vein
Answer» D. Pulmonary vein
2207.

Where did Alexander Graham Bell set up his laboratory?

A. Boston
B. Los Angeles
C. Washington
D. Austin
Answer» B. Los Angeles
2208.

In forceful inversion of foot, fracture of the tuberosity of 5th metatarsal is due to pull exerted by which tendon -

A. Peroneus brevis
B. Peroneus longus
C. Extensor digitorum
D. Peroneus tertius
Answer» B. Peroneus longus
2209.

A secondary antibody is an antibody that

A. is synthetically produced
B. has been used in prior experiments
C. is produced in boostered animals
D. binds to another antibody
Answer» E.
2210.

Which of the following tests is used to determine the minimal lethal concentration?

A. Agar dilution test
B. Broth dilution test
C. All of these
D. Dilution susceptibility tests
Answer» D. Dilution susceptibility tests
2211.

Which of the following is not matched?

A. Varuna -Irrigated or unirrigated condition
B. Vardan -Unirrigated condition
C. Narendra-85 -Saline soil
D. K-88 -Black grain
Answer» E.
2212.

Deep peroneal nerve supplies -

A. Antero lateral dorsum of foot
B. Lateral part of leg
C. 1st web space of foot
D. 5th web space of foot
Answer» D. 5th web space of foot
2213.

Botanical name of nobel canes is--

A. Saccharum officinarum
B. Saccharum barberi
C. Saccharum spontaneous
D. Saccharum sinensis
Answer» B. Saccharum barberi
2214.

When did Apollo 11 return to the earth?

A. 10/20/1967 12:00:00 AM
B. 11/19/1968 12:00:00 AM
C. 3/30/1972 12:00:00 AM
D. 7/24/1969 12:00:00 AM
Answer» E.
2215.

The following structure are felt on per rectal examination except -

A. Ureter
B. Bulb of penis
C. Urogenital diaphragm
D. Anorectal ring
Answer» B. Bulb of penis
2216.

The DNA coding for the production of cholera toxin in Vibrio cholerae is on the

A. plasmid
B. phage
C. transposon
D. chromosome
Answer» E.
2217.

Anterior Spinal artery is a branch of-

A. Basilar artery
B. Labyrinthine artery
C. Internal Carotid artery
D. Verteberal artery
Answer» E.
2218.

In company's microenvironment, the 'citizen-action publics' consists of

A. minority groups
B. stockholders
C. Community organizations
D. both b and c
Answer» B. stockholders
2219.

The 'customer markets' & 'publics' are included in company's environment called

A. Macroenvironment
B. Microenvironment
C. Both a and b
D. None of above
Answer» C. Both a and b
2220.

The nerve supplying submandibular gland is -

A. IX
B. V
C. XII
D. VII
Answer» E.
2221.

Dilator pupillae is supplied by -

A. Occulomotor (III) cranial nerve
B. Sympathetic fibres from the V.C.N.
C. Postganglionic parasympathetic fibres from Edinger Westphal nucleus
D. Postganglionic sympathetic fibres from cervical ganglion
Answer» E.
2222.

The penicillin stable in gastric acid and suitable for oral administration is

A. carbenicillin
B. methicillin
C. pencillin-G
D. closacillin
Answer» E.
2223.

T cell receptors (or TCR) on CD4 T cells

A. recognize peptides associated with MHC class I molecules
B. recognize peptides not associated with MHC molecules .
C. are secreted out into the environment to bind antigens
D. recognize peptides associated with MHC class II molecules
Answer» E.
2224.

Post Spinal Headache can last for

A. upto 10 min
B. upto 10 hours
C. 7-10 days
D. upto 10 months
Answer» D. upto 10 months
2225.

Taste sensation of anterior two third of tongue is carried by ?

A. Facial nerve
B. Glossopharyngeal nerve
C. Lingual nerve
D. Vagus nerve
Answer» B. Glossopharyngeal nerve
2226.

Transcytosis occurs in

A. Epithelial cells of intestine
B. Neuroglia
C. Neuron
D. Axolemma
Answer» B. Neuroglia
2227.

In case of pulmonary thromboembolism, the source of embolus is usually -

A. The calf veins
B. Veins of thigh
C. iliac veins
D. Varicose veins
Answer» D. Varicose veins
2228.

CSF is partly absorbed by lymphatics around cranial nerves -

A. I,II,VI,VII
B. I,II,VII,VIII
C. I,II,VI,VIII
D. I,III,VII,VIII
Answer» C. I,II,VI,VIII
2229.

విశ్వనాథ ఆలయం ఎచ్చట ఉన్నది ?

A. మదురై
B. వారణాసి
C. కంచి
D. తిరుపతి
Answer» C. కంచి
2230.

T-even phage binding to E. coli probably involves

A. hydrophobic interaction
B. electrostatic interaction
C. all of these
D. covalent bonds
Answer» C. all of these
2231.

C - cells of thyroid are derived from -

A. III branchial arch
B. Ultimobranchial body
C. I branchial arch
D. II branchial arch
Answer» C. I branchial arch
2232.

A map of chromosomes that utilizes cloned and sequenced DNA fragments rather than genetic markers is known as

A. a genetic map
B. a physical map
C. none of these
D. a cloning map
Answer» C. none of these
2233.

Common feature in all serine proteases is a

A. hydrophilic specificity pocket
B. hydrophobic specificity pocket
C. single reactive serine residue
D. cluster of reactive serine residues
Answer» D. cluster of reactive serine residues
2234.

In an adult male,on per rectal examination,the following structures can be felt anteriorly except:

A. Prostate.
B. Seminal vesicle when enlarged.
C. Internal iliac lymph nodes.
D. Bulb of the penis.
Answer» D. Bulb of the penis.
2235.

If the F and Y angles of each peptide unit in a protein are known, which of the following may also be determined?

A. Complete tertiary structure
B. Complete secondary structure
C. Thermodynamic stability
D. Complete quaternary structure
Answer» C. Thermodynamic stability
2236.

Heme is the binding pocket of myoglobin and hemoglobin and is composed of

A. polar residues
B. negatively charged residues
C. positively charged residues
D. hydrophobic residues
Answer» E.
2237.

The unfolding of regular secondary structure causes

A. large decrease in the entropy of the protein
B. little increase in the entropy of protein
C. large increase in the entropy of the protein
D. no change in the entropy of the protein
Answer» D. no change in the entropy of the protein
2238.

In CNS, myelin sheath of Neurons is formed by ?

A. Astrocytes
B. Oligodendroglia cells
C. Schwann cells
D. All of the above
Answer» C. Schwann cells
2239.

Which of the following tendons passes below the sustenticulum tali

A. Flexor Digtorum Longus
B. Flexor Hallucis longus
C. Tibialis Anterior
D. Tibialis Posterior
Answer» C. Tibialis Anterior
2240.

Isthmus of the thyroid gland is across tracheal ring -

A. 5th to 6th
B. 4th only
C. 2nd to 4th
D. 3rd to 5th
Answer» D. 3rd to 5th
2241.

When was Antoine Laurent Lavoisier born?

A. 7 April 1746
B. 14 January 1736
C. 31 December 1748
D. 26 August 1743
Answer» E.
2242.

The most common cause of hypoxia during one lung ventilation is -

A. Malposition of the double lumen tube
B. Increased shunt fraction
C. Collapse of one lung
D. Soiling of lung by secretions
Answer» C. Collapse of one lung
2243.

భారత ప్రభుత్వం రాష్ట్రాల పునర్విభజన గురించి ఏర్పాటు చేసిన కమిటి ?

A. సర్కారియ కమిషన్
B. కేల్కర్ కమిటీ
C. వాంచూ కమిషన్
D. ఫజల్ ఆలి కమిషన్
Answer» E.
2244.

Sculptor : Statue :: Poet : ?

A. Canvas
B. Pen
C. Verse
D. Chisel
Answer» D. Chisel
2245.

A patient was administered epidural anaesthesia with 15 ml of 1.5%.Lignocaine with adrenaline for hernia surgery.He developed hypotension and respiratory depression within 3 minutes after administration of block.The most common cause Would be -

A. Allergey to drug administered
B. Systemic toxicity to drug administered
C. Patient got vasovagal shock
D. Drug has entered the subarachnoid space
Answer» E.
2246.

Affinity chromatography deals with the

A. protein - protein interaction
B. specific binding of a protein constituents for another molecule
C. none of the above
D. protein - carbohydrate interaction
Answer» C. none of the above
2247.

For what did Andrew Huxley win Nobel Prize?

A. Discoveries about nerve cell membrane
B. Swine flu research
C. Work on thyroid gland
D. Work on malaria
Answer» B. Swine flu research
2248.

Which family has received most interest in their development as a biological control agent against insects?

A. Baculoviridae
B. Reoviridae
C. Poxviridae
D. Iridoviridae
Answer» B. Reoviridae
2249.

HPO3 is the chemical formula of __________ phosphoric acid.

A. ortho
B. pyro
C. none of these
D. meta
Answer» E.
2250.

Structure which develop from neural crest are/is -

A. Thoracic duct
B. Enamel of teeth
C. Spinal nerves
D. Adrenal medulla
Answer» E.