Explore topic-wise MCQs in Php.

This section includes 2167 Mcqs, each offering curated multiple-choice questions to sharpen your Php knowledge and support exam preparation. Choose a topic below to get started.

1401.

What is required for RNA genome to be incorporated into the capsid?

A. Cis-acting elements
B. Trans-acting elements
C. Integrase
D. RNA polymerase
Answer» B. Trans-acting elements
1402.

What is the purpose of risk based clean closure memo?

A. Analysis
B. Storage rules
C. Guidance on risk based closure
D. Adopt risk based closure
Answer» D. Adopt risk based closure
1403.

What can be done to increase the temperature range of optical pyrometers?

A. Better accuracy of telescope
B. Using electrical circuit for control box
C. Inclusion of absorbing screen
D. Using red filter
Answer» D. Using red filter
1404.

In a normal n-bit adder, to find out if an overflow as occurred we make use of ________

A. And gate
B. Nand gate
C. Nor gate
D. Xor gate
Answer» E.
1405.

________ to attention could help bind together relevant information at regular time points.

A. Strobing Approach
B. Oscillation
C. Both strobing and oscillations
D. Neither strobing nor oscillations
Answer» B. Oscillation
1406.

What is the formula of the mean diameter at the position of centre of gravity?

A. mean diameter at the position of centre of gravity = Inner diameter + diameter of stator wires
B. mean diameter at the position of centre of gravity = Inner diameter * diameter of stator wires
C. mean diameter at the position of centre of gravity = Inner diameter / diameter of stator wires
D. mean diameter at the position of centre of gravity = Inner diameter – diameter of stator wires
Answer» E.
1407.

In phasing, if the cholesterol stream arrives at Y time, albumin must arrive at ______

A. Y + 5 s
B. Y + 10 s
C. Y + 15 s
D. Y + 20 s
Answer» D. Y + 20 s
1408.

The __________ is a network layer that contains both addressing and control information to enable packets to be routed within a network.

A. TCP
B. Internet protocol (IP)
C. UDP
D. SONET/SDH protocol
Answer» C. UDP
1409.

The plane which divides the molecule into two equal parts so that each half is the mirror image of other half is called

A. Centre of symmetry
B. Plane of symmetry
C. Axis of symmetry
D. Angle of symmetry
Answer» C. Axis of symmetry
1410.

On what does the selection of supporting structure depends?

A. Length of blades
B. Rotating capacity
C. Capacity of generator
D. Transmission systems
Answer» E.
1411.

Which of the following is the problem on welding aluminium by laser welding?

A. Porosity
B. Cracking
C. Less grain growth
D. Brittle weld
Answer» B. Cracking
1412.

Pronuclear microinjection directly transfers DNA into _____________

A. Female pronucleus
B. Membrane
C. Male pronucleus
D. Cytosol
Answer» D. Cytosol
1413.

___________ water contains more soluble salts than the surface water.

A. Sea water
B. Rain water
C. Underground water
D. Tank water
Answer» D. Tank water
1414.

How do CBR works?

A. by asserting CAS before RAS
B. by asserting CAS after RAS
C. by asserting RAS before CAS
D. by asserting CAS only
Answer» B. by asserting CAS after RAS
1415.

Today, milk that has been ultra pasteurized must have been heated at or above ______degrees F for at last ________ seconds.

A. 191, 2
B. 212, 3
C. 260, 2
D. 280, 2
Answer» E.
1416.

Probability plots are graph of ranked data plotted against the cumulative frequency, with a vertical scale chosen so that the cumulative distribution of assumed type is a _____

A. Parabola
B. Straight line
C. Hyperbola
D. Pulse
Answer» C. Hyperbola
1417.

Components of water cooling system are

A. water jacket
B. water pump
C. fan
D. all of the mentioned
Answer» B. water pump
1418.

What affects volumetric efficiency of the pump?

A. Complex interactions
B. Internal interactions
C. Retain flow
D. Air flow
Answer» B. Internal interactions
1419.

Moment of Inertia about an inclined axis is the integration of the cube of the distance of the centroid and the del area along the whole area of the structure and after this calculations, we multiply the moment of areas.

A. True
B. False
Answer» B. False
1420.

In A* approach evaluation function is

A. Heuristic function
B. Path cost from start node to current node
C. Path cost from start node to current node + Heuristic cost
D. Average of Path cost from start node to current node and Heuristic cost
Answer» D. Average of Path cost from start node to current node and Heuristic cost
1421.

What is the time complexity of the above recursive implementation used to find the sum of the first n natural numbers?

A. O(1)
B. O(n)
C. O(n<sup>2</sup>)
D. O(n<sup>3</sup>)
Answer» C. O(n<sup>2</sup>)
1422.

How many laminae are present in the grey matter of spinal cord?

A. 8
B. 9
C. 7
D. 10
Answer» E.
1423.

Which type of wildlife is found in Ganga-Brahmaputra delta?

A. Lions
B. Yak
C. Royal Bengal
D. Sheep
Answer» D. Sheep
1424.

Creep rate is higher for α-iron than for ϒ-iron.$

A. True
B. False
Answer» B. False
1425.

In boolean instructions, the flag that is the only allowed destination operand for two operand instructions is

A. overflow flag
B. underflow flag
C. auxiliary flag
D. carry flag
Answer» E.
1426.

The size of a transformer core will depend on _____________

A. frequency
B. area of the core
C. flux density of the core material
D. frequency and area of the core
Answer» E.
1427.

An FM signal is a ______ envelope signal.

A. Varied
B. Small
C. Large
D. Constant
Answer» E.
1428.

The transmission coefficient of a wave travelling through two media having electric intrinsic impedances of 3 and 4 respectively is

A. <sup>2</sup>‚ÅÑ<sub>3</sub>
B. <sup>8</sup>‚ÅÑ<sub>9</sub>
C. <sup>2</sup>‚ÅÑ<sub>5</sub>
D. <sup>6</sup>‚ÅÑ<sub>7</sub>
Answer» E.
1429.

To_use_PostgreSQL,_you_need_to_add_a_the_driver_library_to_the_classpath.

A. True
B. False
Answer» B. False
1430.

Full-length_RNA_undergoes_splicing_allowing_________gene_to_be_translated.

A. Integrase
B. Env
C. Transcriptase
D. Pol
Answer» C. Transcriptase
1431.

Sometimes,_the_________can_be_fixed_as_in_case_of_roof_surfaces,_on_the_exposed_face_of_the_wall,_etc.

A. Mortar
B. Plastic sheet
C. Felts
D. Stones
Answer» E.
1432.

What_is_the_standard_post-closure_care_period?

A. 10
B. 20
C. 30
D. 40
Answer» D. 40
1433.

What_is_the_maximum_usable_temperature_of_radiation_pyrometers?

A. 1000 F
B. 5000 F
C. 10000 F
D. No limit
Answer» E.
1434.

For_the_addition_of_large_integers,_most_of_the_systems_make_use_of_______

A. Fast adders
B. Full adders
C. Carry look-ahead adders
D. None of the mentioned
Answer» D. None of the mentioned
1435.

A_variation_of_oscillation_is_said_to_be_found_between_________

A. Two eyes
B. Only one ear
C. Only one eye
D. Two ears
Answer» E.
1436.

What_is_the_function_of_the_bands_when_they_are_distributed_along_the_axial_length_of_armature?

A. used to reduce the centrifugal forces
B. used to increase the centrifugal forces
C. used to decrease the centrifugal forces
D. used to withstand the centrifugal forces
Answer» E.
1437.

There_are_two_types_of_coils_employed_in_the_system,which_are_____

A. Tygon coils and mixing coils
B. Mixing coils and tubing coils
C. Delay coils and tygon coils
D. Mixing coils and delay coils
Answer» E.
1438.

An_advanced_type_of_reconfigurable_OTN_is_referred_to_as_an________________

A. Automatic OTN
B. Auto-generated photon
C. Automatically switched optical network
D. Optical reimbursement
Answer» D. Optical reimbursement
1439.

A data dictionary is a special file that contains?

A. The names of all fields in all files
B. The data types of all fields in all files
C. The widths of all fields in all files
D. All of the mentioned
Answer» E.
1440.

At slow speeds, smaller pool is formed?

A. True
B. False
Answer» C.
1441.

In a PNP germanium transistor, the cut in voltage is about________?

A. -0.1V
B. -0.01V
C. -0.05V
D. -0.07V
Answer» B. -0.01V
1442.

The threat of backdoors started when ____________ & ____________ OSs became widely accepted?

A. single-user, Windows
B. multiuser, networked
C. single-user, UNIX
D. multiuser, UNIX
Answer» C. single-user, UNIX
1443.

Pick the operators that associate from the righ?

A. ?:
B. +=
C. =
D. All of the mentioned
Answer» E.
1444.

The _______________ is a design pattern that adds behavior to an individual object, either statically or dynamically, without affecting the behavior of other objects from the same class?

A. Adapter Pattern
B. Bridge Pattern
C. Decorator Pattern
D. Composite Pattern
Answer» D. Composite Pattern
1445.

Dolly, the first transgenic animal was a _______?

A. Mouse
B. Dog
C. Sheep
D. Rice
Answer» D. Rice
1446.

Which of the following is the suspended impurity?

A. Iron hydroxide
B. Dust
C. Mud
D. Nitrogen
Answer» B. Dust
1447.

In full depth repairs the diameter of the hole is greater than the diameter of dowel bar by?

A. 1 mm
B. 1.5 mm
C. 2.0 mm
D. 2.5 mm
Answer» D. 2.5 mm
1448.

Which of the following is involved in pentose phosphate pathway?

A. Glucose 6-phosphate dehydrogenase
B. Acyl co-A glycerol transferases
C. PFK-2/FBPase-2
D. Pyruvate dehydrogenase
Answer» B. Acyl co-A glycerol transferases
1449.

Which of the following does data requirements allow for data ?

A. Entering data
B. Leaving data
C. Storing data in product
D. All of the mentioned
Answer» E.
1450.

What is the main disadvantage in the software refresh of the DRAM?

A. timer
B. delay
C. programming delay
D. debugging
Answer» E.