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.

2851.

Which type of molecule spans the membrane, from its inner to outer surface according to the Fluid mosaic model of cell membranes?

A. Phospholipid
B. Cholesterol
C. Carbohydrate
D. Protein
Answer» E.
2852.

The axillary nerve supplies -

A. Infraspinatus
B. Teres Minor
C. Deltoid
D. Both B and C
Answer» E.
2853.

ప్రపంచం లో ఇంటర్నెట్ ఎక్కువగా వాడుతున్న దేశాలలో భారత్ స్తానం ?

A. 1
B. 2
C. 3
D. 4
Answer» D. 4
2854.

Which of the following is false statement with regard to comparison between Serine and HIV proteases?

A. Both require water to complete the catalytic cycle
B. Both use nucleophilic attack to hydrolyze the peptide bond
C. Both show specificity for certain amino acid sequences
D. Both forms an acyl-enzyme intermediate
Answer» E.
2855.

Species of Shigella which is predominant in India is

A. S dysenteriae
B. S sonnei
C. S flexneri
D. S boydii
Answer» D. S boydii
2856.

The screening test/s for diagnosis of HIV infection is/are

A. Latex agglutination
B. ELISA
C. all of these
D. Dot blot assay
Answer» D. Dot blot assay
2857.

Sanitizer used specifically for vitreous enamel are

A. strong acids
B. strong alkalis
C. none of these
D. weak alkali with sodium silicate
Answer» E.
2858.

Hepatocellular carcinoma (Hepatoma) may be caused by

A. Hepatitis C virus
B. Hepatitis A virus
C. None of these
D. Both ( and (
Answer» E.
2859.

To which country did Alexander Graham Bell move in 1870?

A. Brazil
B. Australia
C. Denmark
D. Canada
Answer» E.
2860.

Sternocleidomastoid supplied by all except

A. Sup thyroid Artery
B. Occipital Artery
C. Thyrocervical trunk
D. Post Auricular Artery
Answer» E.
2861.

Advantages of regional analgesia blockade are all these EXCEPT

A. A reduced need for opioids
B. Early resumption for normal activity and ambulation
C. A quick awakening than general anesthesia
D. Increase of the stress response
Answer» E.
2862.

When did Alfred Russell Wallace write Contributions to the Theory of Natural Selection?

A. 1863
B. 1870
C. 1860
D. 1867
Answer» C. 1860
2863.

The commonest bacterial cause of cervicofacial actinomycosis is

A. viscosus
B. naeslundii
C. meyeri
D. israelii
Answer» E.
2864.

Small molecules affect hemoglobin (Hb) by

A. increasing [H ]
B. decreasing Hb affinity for O2
C. increasing [H ] and decreasing Hb affinity for O2
D. increasing Hb affinity for O2
Answer» D. increasing Hb affinity for O2
2865.

Large parasites such as helminthes may be killed extracellularly by the action of

A. monocytes
B. basophils
C. neutrophils
D. eosinophils
Answer» E.
2866.

The influential model of attitude change and attitude formation is

A. elaboration likelihood model
B. value likelihood model
C. expectancy elaboration model
D. value elaboration model
Answer» B. value likelihood model
2867.

ప్రపంచ విపత్తుల విభజన లో భూకంపాలు, సునామి ల వాటా ఎంత శాతం ఉంటుంది ?

A. 0.06
B. 0.07
C. 0.08
D. 0.09
Answer» D. 0.09
2868.

True about Pectoralis major muscle -

A. Blood supply by perforating branch of internal thoracic artery
B. Abductor and internal rotator of shoulder
C. Inserted into 2nd to 6th costal cartilage
D. Blood supply by intercostals Artery
Answer» B. Abductor and internal rotator of shoulder
2869.

Which university did Andrey Sakharov attend?

A. Petrograd University
B. Rostov Liberal Arts University
C. Moscow State University
D. Yekatinburg University
Answer» D. Yekatinburg University
2870.

Epithelial lining of the Tonsil is -

A. Squamous epithelium without keratinisation
B. Cuboidal
C. Columnr
D. Squamous epithelium with keratinisation
Answer» B. Cuboidal
2871.

The population of algae in soil is __________ that of either bacteria or fungi.

A. generally greater than
B. generally smaller than
C. none of these
D. equal to
Answer» C. none of these
2872.

When was Alan Hodgkin research professor for the Royal Society?

A. 1952-1969
B. 1970-1975
C. 1980-1985
D. 1944-1949
Answer» B. 1970-1975
2873.

Succinylcholine causes ?

A. Severe hyperkalemia
B. Paraplegia
C. Liver failure
D. Renal failure
Answer» B. Paraplegia
2874.

Intracellular structures formed during many viral infections, called __________ , which can directly disrupt cell structure.

A. chromosomal disruptions
B. prokaryotes
C. cytocidal bodies
D. inclusion bodies
Answer» E.
2875.

The generation born following 'baby boomers' is known as

A. generation X
B. generation Y
C. Both a and b
D. none of above
Answer» B. generation Y
2876.

Infection of CNS spreads in inner ear through ?

A. Cochlear Aqueduct
B. Endolymphatic sac
C. Vestibular Aqueduct
D. Hyrtle's fissure
Answer» B. Endolymphatic sac
2877.

Which is not a content of tympanic cavity -

A. Chorda tympani
B. Post. auricular N
C. Maleus
D. Stapedius
Answer» C. Maleus
2878.

Maximum systemic absorbtion of local anesthesia occurs with:

A. Axillary block
B. Caudal block
C. Intercostal block
D. Femoral vein block
Answer» D. Femoral vein block
2879.

PIN index for nitrous oxide is ?

A. 01-05-2015 12:00:00 AM
B. 02-05-2015 12:00:00 AM
C. 03-05-2015 12:00:00 AM
D. 01-06-2015 12:00:00 AM
Answer» D. 01-06-2015 12:00:00 AM
2880.

Which is the induction agent contraindicated in Epileptic patient -

A. Thiopentone sodium
B. Propofol
C. Ketamine
D. Midazolam
Answer» D. Midazolam
2881.

ఓ జోన్ ఏ లక్షణమును కలిగి ఉంటుంది ?

A. డయా మేగ్నటిక్
B. పారా మేగ్నటిక్
C. ఫెర్రో మేగ్నటిక్
D. ఏది కాదు
Answer» B. పారా మేగ్నటిక్
2882.

The Q-output of J-K FLIP-FLOP is \"1\". The output does not change when a clock-pulse is applied. The inputs J and K will be respectively (where \'x\' - don\'t care state)

A. x and 0
B. 0 and x
C. 0 and 1
D. 1 and 0
Answer» B. 0 and x
2883.

For foreign body causing sudden choking, most appropriate first line of management is ?

A. Tracheostomy
B. Heimlich maneuver
C. Airway insertion
D. Laryngoscopy
Answer» C. Airway insertion
2884.

Which of the following is a commercial crop?

A. Cotton
B. Bajra
C. Jowar
D. Paddy
Answer» B. Bajra
2885.

Soil fertility is reduced due to -

A. Over irrigation
B. Poor drainage
C. Imbalanced use of fertilizers
D. Continuous cropping
Answer» D. Continuous cropping
2886.

In modified rebuy, the suppliers that see opportunities to expand business are classified as

A. in-suppliers
B. out-suppliers
C. modified suppliers
D. new suppliers
Answer» C. modified suppliers
2887.

In Widal test the significant titres for H agglutinins is

A. 1:100 ormore
B. 1:50 or more
C. 1:400 or more
D. 1:200 or more
Answer» E.
2888.

The role of the M cell is to

A. induce apoptosis in virus-infected small intestinal epithelia cells
B. trap virus in mucus and prevent entry
C. they use their cilia to propel mucus out of the small intestine
D. pass bacteria or virus to underlying macrophages for processing and presentation of antigen
Answer» E.
2889.

An allosteric activator

A. decreases the binding affinity
B. increases the binding affinity
C. both ( and (
D. stabilizes the R state of the protein
Answer» D. stabilizes the R state of the protein
2890.

The following are part of Hamstrings -

A. Short head of biceps femoris
B. Sartorius
C. Semitendinosus
D. Gracilis
Answer» D. Gracilis
2891.

Watershed area between SMA and IMA which commonly result in ischemia is -

A. Splenic flexure
B. Hepatic flexure
C. Ileocolic Jn.
D. Rectosigmoid Jn.
Answer» B. Hepatic flexure
2892.

J chain is present in

A. IgM
B. IgA
C. IgE
D. Both ( and (
Answer» E.
2893.

Low ulnar nerve palsy is characterised by -

A. Inability to extend at M.C.P. joint
B. Inability to abduct the thumb
C. Claw hand
D. Sensory loss of medial four digits
Answer» D. Sensory loss of medial four digits
2894.

CD antigens

A. are each expressed on only one cell type
B. allow leukocytes to recognize antigen
C. function as receptors for cytokine and CAMs
D. are expressed on immune cells to mark them for separation
Answer» D. are expressed on immune cells to mark them for separation
2895.

What was Anne Bronte’s pen name?

A. Agatha Christie
B. Pearl S. Buck
C. John Bull
D. Acton Bell
Answer» E.
2896.

పేదరిక రేఖకు దిగువగా అధిక ప్రజలు ఉన్న రాష్ట్రం ?

A. కేరళ
B. బీహార్
C. తమిళనాడు
D. పంజాబ్
Answer» C. తమిళనాడు
2897.

True about development all except -

A. Superior parathyroid gland develops from 4th branchial arch
B. Inferior parathyroid gland develop from 2nd branchial arch
C. Parathyroid glands develop from 3rd and 4th branchial arch
D. Tongue muscles develop from occipital myotome
Answer» C. Parathyroid glands develop from 3rd and 4th branchial arch
2898.

When the customers base their predictions on an example that comes to mind very easily is classified as

A. availability heuristic
B. representative heuristic
C. anchoring heuristic
D. adjusting heuristic
Answer» B. representative heuristic
2899.

All of the following muscles are derrived from Pharyngeal Arches,Except:

A. Levator Palpebrae superioris
B. Tensor Tympani
C. Orbicularis oculi
D. Palatine Tensor
Answer» B. Tensor Tympani
2900.

The Ansa cervicalis innerates which muscle -

A. Stylohoid
B. Sternohyoid
C. Mylohyoid
D. Cricothyroid
Answer» C. Mylohyoid