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.

3351.

When did Alfred Russell Wallace die?

A. 5/10/1918 12:00:00 AM
B. 1/26/1919 12:00:00 AM
C. 11/7/1913 12:00:00 AM
D. 9/28/1914 12:00:00 AM
Answer» D. 9/28/1914 12:00:00 AM
3352.

What is the effect of excess accumulation of metabolite products (lactate and ammonium) on cells?

A. They act as growth inhibitors
B. They act as growth promoters
C. Lactate helps in the growth while ammonium inhibits the growth
D. Have no effect on cells
Answer» D. Have no effect on cells
3353.

Middle superior Alveolar nerve is a branch of

A. Maxillary nerve
B. Mandibular nerve
C. Facial nerve
D. Lingual nerve
Answer» B. Mandibular nerve
3354.

Under what conditions food poisoning bacteria may grow and produce toxins in vegetables?

A. When thawed vegetables are held at room temperature for any considerable period
B. When thawed vegetables are held at refrigerated temperature for any considerable period
C. None of the above
D. When thawed vegetables are held below refrigerated temperature for any considerable period
Answer» B. When thawed vegetables are held at refrigerated temperature for any considerable period
3355.

Ansa nephroni is lined by -

A. Squamous epithelium
B. Columnar
C. Cuboidal and squamous
D. Cuboidal and columnar epithelium
Answer» B. Columnar
3356.

The rapid process of microbial oxidation developed to produce acetic acid from ethanol at Schutzenbach, Germany is also known as

A. trickle method
B. packed generator
C. both ( and (
D. Orleans process
Answer» D. Orleans process
3357.

Resistance to heat flow by conduction is proportional to (where, t & %u03C1 are thickness & density of the material respectively and A = area normal to the direction of heat flow. )

A. 1/ρ
B. t
C. all (, ( & (
D. 1/A
Answer» D. 1/A
3358.

Who arranged Henry VIII’s marriage to Anne of Cleves?

A. Thomas Boleyn
B. Thomas Wolsey
C. Thomas Cromwell
D. Thomas Wyatt
Answer» D. Thomas Wyatt
3359.

Henle's and Huxley's layer are histologically seen in -

A. Salivary gland
B. Sweat gland
C. Bulb of hair follicle
D. Tongue
Answer» D. Tongue
3360.

Cuboid is grooved in

A. Tibialis posterior
B. Tibialis anterior
C. Flexor hallucis
D. Peroneous longus
Answer» E.
3361.

Cuboidal epithelium lines which -

A. Proximal convoluted tubule
B. Ascending loop of Henle
C. Distal convoluted tubule
D. Descending loop of Henle
Answer» D. Descending loop of Henle
3362.

Which two crops of the following are responsible for almost 75% of pulse production in India?

A. Gram and pigeon pea
B. Gram and moong bean
C. Moong bean and lentil
D. Pigeon pea and moong bean
Answer» B. Gram and moong bean
3363.

A continue statement causes execution to skip to

A. the first statement after the loop
B. the return 0; statement
C. the next iteration of the loop
D. the statement following the continue statement
Answer» D. the statement following the continue statement
3364.

In cellular immunity, T lymphocytes are responsible for the recognition and killing of foreign invaders. The cells are

A. killer T cells
B. cytotoxic T lymphocytes (CTL)
C. none of the above
D. both ( and (
Answer» E.
3365.

The pronator quadratus has the same innervation as of the following muscle:

A. Flexor digitorum superficialis
B. Palmaris longus
C. Flexor pollicis longus
D. Flexor digitorum profundus of middle finger
Answer» D. Flexor digitorum profundus of middle finger
3366.

Spinal anaesthesia should be injected into the space between:

A. L 1 - L2
B. T 12 - L1
C. L 5 - S1
D. L 3 - L4
Answer» E.
3367.

Plasmid that carries genes encoding enzymes, which degrade substances such as aromatic compounds, pesticides or sugar are

A. metabolic plasmid
B. F factors
C. none of these
D. virulence plasmid
Answer» B. F factors
3368.

Inverse supinator jerk is -

A. L5, S1
B. L4, S1
C. C5, C6
D. C6, C7
Answer» C. C5, C6
3369.

The 'selective distortion' and selective attention are types of

A. motivational process
B. sampling process
C. perceptual process
D. technical process
Answer» D. technical process
3370.

Andrew Johnson was impeached. By how many votes was he acquitted?

A. Six
B. Seven
C. One
D. Three
Answer» D. Three
3371.

VAN order is not seen in which intercostals space -

A. First
B. Second
C. Third
D. Eleventh
Answer» B. Second
3372.

An mRNA transcript of a gene contains

A. a stop codon
B. a start codon
C. all of these
D. a terminator
Answer» D. a terminator
3373.

Which is the most important surface active disinfectants?

A. Cationic compounds
B. Amphoteric compounds
C. Anionic compounds
D. Non-ionic compounds
Answer» B. Amphoteric compounds
3374.

Which of the following factors will affect the sensitivity of animal cells to shear conditions?

A. Availability of nutrients in the medium
B. Cell size
C. All of the above
D. The presence of shear protectorants in the medium
Answer» D. The presence of shear protectorants in the medium
3375.

To raise any number to a power, use

A. the built-in library function pow(x,y).
B. the exponent symbol ^.
C. concatenation.
D. the built-in library function pow10(x).
Answer» B. the exponent symbol ^.
3376.

జైన మతాన్ని స్వీకరించిన మొదటి మహిళ ?

A. అయ్యన మహాదేవి
B. చామేకాంబ
C. రుక్కు భాయి
D. వైష్ణో దేవి
Answer» B. చామేకాంబ
3377.

In fed batch bioreactor modelling, the rate of change in the bioreactor volume is assumed to be equal to

A. initial volume
B. flow rate
C. none of these
D. volume of solids in the reactor
Answer» C. none of these
3378.

In epidural lumbar puncture, all structure are pierced except:

A. Posterior longitudinal ligament
B. Ligamentous flavum
C. Interspinous ligament
D. Supraspinous ligament
Answer» B. Ligamentous flavum
3379.

Root value of phrenic nerve is ?

A. C2, C3, C4
B. C3, C4, C5
C. C4, C5, T1
D. C5, T1, T2
Answer» C. C4, C5, T1
3380.

NaCl can act as

A. synergistically if added in excess of optimum level
B. antagonist at optimal concentrations
C. None of the above
D. Both ( and (
Answer» E.
3381.

Agronomy is a branch of Agriculture that deals with -

A. Breeding of crop plants
B. Principles of field management
C. Principles and practice of crop production
D. Protection of crops from Diseases and Pests
Answer» D. Protection of crops from Diseases and Pests
3382.

Lesion in Wernicke's area results in -

A. Global aphasia
B. Non-fluent aphasia
C. Conduction aphasia
D. Failure of comprehension of spoken or written words
Answer» E.
3383.

The value of \'angle of nip\' is generally about

A. 32°
B. 16°
C. 64°
D. 52°
Answer» B. 16°
3384.

Regarding pudendal canal which one is true:

A. Continuous with obturator canal
B. Contains obturator artery
C. Terminate in superficial perineal pouch
D. Formed by obturator fascia
Answer» E.
3385.

All of the following given below are attached to spine of sphenoid except -

A. Sphenomandibular ligament
B. Anterior ligament of malleus
C. Tensor tympani muscle
D. Lateral pterygoid muscle
Answer» B. Anterior ligament of malleus
3386.

Rotator cuff is by all except -

A. Teres minor
B. Teres major
C. Supraspinats
D. Infraspinatus
Answer» C. Supraspinats
3387.

Which of these spores are characteristic of the black bread mold Rhizopus?

A. Ascospore and Zygospore
B. Arthrospore and Ascospore
C. Sporangiospore and Zygospore
D. Arthrospore and Blastospore
Answer» D. Arthrospore and Blastospore
3388.

The ideal temperature for most of the cultivable crops is-

A. 30°C - 50°C
B. 15°C - 40°C
C. 35°C - 40°C
D. 45°C - 55°C
Answer» C. 35°C - 40°C
3389.

చీకటిలో ఫోటోలు తీయడానికి ఉపయోగించే తరంగాలు ఏవి ?

A. రేడియో తరంగాలు
B. మైక్రో తరంగాలు
C. బీటా తరంగాలు
D. పరారుణ తరంగాలు
Answer» E.
3390.

Negative phase is observed in

A. primary humoral response
B. secondary humoral response
C. none of the above
D. both ( and (
Answer» C. none of the above
3391.

Which among the following is not a branch of Arch of Aorta ?

A. Brachiocephalic
B. Right common carotid
C. Left common carotid
D. Left Subclavian
Answer» C. Left common carotid
3392.

Which of the following increases cerebral oxygen consumption -

A. Ketamine
B. Propofol
C. Alfentanyl
D. Thiopentone
Answer» B. Propofol
3393.

When did Andrey Sakharov get Nobel Prize for Peace?

A. 1957
B. 1946
C. 1979
D. 1975
Answer» E.
3394.

Following example of epiphysees are seen correctly matched except -

A. Atavistic epiphysees - Coracoid process of scapula
B. Aberrant epiphysees Trochanter of femur
C. Pressure epiphysees - Head of femur
D. Traction epiphysees - tuberecles of humerus
Answer» C. Pressure epiphysees - Head of femur
3395.

First stage of IVC develops from which part ?

A. Pseudoglandular
B. Tubular
C. Alvolar
D. Canalicular
Answer» B. Tubular
3396.

Whiptail is a disorder of cauliflower due to deficiency of -

A. Zinc
B. Boron
C. Potassium
D. Molybdenum
Answer» E.
3397.

Grade III of Mallampatti score in airway examination suggests -

A. Only hard palate visible
B. Tip of the epiglottis visible
C. Only soft palate visible
D. Soft palate, faucial pillars and uvula visible
Answer» D. Soft palate, faucial pillars and uvula visible
3398.

Which variety is not susceptible to insects & disease?

A. Pant Dhan-10
B. Govind
C. Narenda Dhan-2
D. Saket-4
Answer» E.
3399.

The mechanism of air filtration in fibrous filter is

A. impaction
B. electrostatic attraction
C. all of these
D. interception
Answer» D. interception
3400.

In an adult,the spinal cord ends at

A. T12 - L1
B. L1 - L2
C. L3 - L4
D. S1 - S2
Answer» C. L3 - L4