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.

751.

Which of the following trace element influence the production of Gentamicin?

A. Mn
B. Zn
C. Fe
D. Co
Answer» E.
752.

Chlorine does not appear to play a nutritional role in the metabolism of fungi.

A. True
B. False
Answer» B. False
753.

Which of the following is not an example of buffer?

A. CaCO3
B. KH2PO4
C. NaH2PO4
D. NaOH
Answer» E.
754.

The _____________ are not the growth factors.

A. Vitamins
B. Amino acids
C. Fatty acids
D. Carbohydrates
Answer» E.
755.

Which of the following is an example of a chelating agent?

A. Magnesium
B. EDTA
C. Ca
D. Glycerol
Answer» C. Ca
756.

Which of the following resists the change in pH?

A. Buffer
B. Growth factors
C. Minerals
D. Inhibitors
Answer» B. Growth factors
757.

Which of the following trace element influence the production of Mitomycin?

A. Zn
B. Fe
C. Mn
D. Cu
Answer» C. Mn
758.

All microorganisms require minerals for growth and metabolism.

A. True
B. False
Answer» B. False
759.

Which of the following mineral is not required for microorganism?

A. Pb
B. K
C. S
D. Mg
Answer» B. K
760.

Which of the following does not take part in stabilizing the cloverleaf model of the tRNA?

A. Base stacking
B. Base and sugar-phosphate backbone interaction
C. Ionic bond
D. Hydrogen bond
Answer» D. Hydrogen bond
761.

The 3 dimension structure of an adaptor molecule of translation is revealed to be ___________

A. Y shaped
B. L shaped
C. K shaped
D. X shaped
Answer» C. K shaped
762.

The variable loop is found between the ___________

A. Acceptor stem and ΨU loop
B. Acceptor stem and D loop
C. Anticodon loop and ΨU loop
D. Anticodon loop and D loop
Answer» D. Anticodon loop and D loop
763.

Eukaryotic ribosome is recruited to the mRNA by _____________

A. Randomly
B. Shine – Dalgarno sequence
C. 5’ capping
D. 3’ tailing
Answer» D. 3’ tailing
764.

How many types of the output are returned by the code given?

A. 0
B. 1
C. 2
D. 3View Answer
Answer» D. 3View Answer
765.

Which of the following may be specified by the code given?

A. CPU
B. CU
C. ALU
D. MemoryView Answer
Answer» D. MemoryView Answer
766.

In which of the following case, the code will not be synthesizable?

A. Code containing a WAIT statement inside a process
B. Code containing a WAIT statement inside a procedure
C. Code containing a RETURN statement inside a function
D. Code containing a CASE statement inside a function
Answer» C. Code containing a RETURN statement inside a function
767.

A procedure can have a label in front of it.

A. True
B. False
Answer» B. False
768.

In which of the following cases, the procedure can’t contain WAIT statement?

A. When called from inside a process
B. When called from inside a process with a sensitivity list
C. When called from architecture
D. When called from a LOOP statement
Answer» C. When called from architecture
769.

The mode and class of the following parameters are respectively ________

A. IN, SIGNAL; OUT, SIGNAL; IN, CONSTANT
B. IN, SIGNAL; OUT, CONSTANT; IN, VARIABLE
C. IN, SIGNAL; OUT, VARIABLE; IN, CONSTANT
D. IN, SIGNAL; OUT, CONSTANT; OUT, CONSTANTView Answer
Answer» D. IN, SIGNAL; OUT, CONSTANT; OUT, CONSTANTView Answer
770.

Which of the following is not similar in both functions as well as procedures?

A. One can’t declare signals in functions as well as procedures
B. One can’t declare components in functions and procedures
C. In both, the WAIT statement is not synthesizable
D. Both can be declared inside a package
Answer» B. One can’t declare components in functions and procedures
771.

The angle between elements of the root cone and pitch cone is

A. addendum angle
B. dedendum angle
C. spiral angle
D. none of the mentioned
Answer» C. spiral angle
772.

The angle of a cone whose elements are tangent to a sphere containing a trace of the pitch circle is

A. crown
B. back cone
C. octoid
D. none of the mentioned
Answer» C. octoid
773.

The length of teeth along the cone distance is

A. crown
B. face width
C. octoid
D. none of the mentioned
Answer» C. octoid
774.

The mathematical form of the bevel tooth profile which closely resembles a spherical involute but is fundamentally different is

A. crown
B. back cone
C. octoid
D. none of the mentioned
Answer» D. none of the mentioned
775.

For coal, wash ability curve based on the float and sink test based on the ________

A. Density separation
B. Differential wettability
C. Size
D. Volatile matter content
Answer» B. Differential wettability
776.

The capacity of a belt conveyor depends upon two factors, if one is the cross section of the load the other is the _______ of the belt.

A. Speed
B. Thickness
C. Length
D. Density
Answer» B. Thickness
777.

A straight line is obtained on plotting reciprocal of filtration rate vs. the volume of the filtrate for ____ flow of filtrate.

A. Compressible cake and laminar
B. Incompressible cake and laminar
C. Compressible cake and turbulent
D. Incompressible cake and turbulent
Answer» C. Compressible cake and turbulent
778.

As particle size is reduced _____

A. Screening becomes progressively more difficult
B. Screening becomes progressively easier
C. Capacity of screen is increased
D. Effectiveness of screen is increased
Answer» B. Screening becomes progressively easier
779.

If any external moment along with the force is applied on the structure and we are determining the moment of inertia for areas about inclined axis then what should we consider?

A. The net force will act at the centroid of the structure only
B. The net load will not be formed as all the forces will be cancelled
C. The net force will act on the base of the loading horizontally
D. The net force will not be considered, there would be a net force of the distribution, rest will be the external forces
Answer» E.
780.

Determine the moment of inertia of the area about the x-axis.

A. 0.111m2
B. 11m2
C. 0.141m2
D. 0.811m2View Answer
Answer» B. 11m2
781.

Determine the moment of inertia of the area about the y-axis.

A. 0.273m2
B. 11m2
C. 0.141m2
D. 0.811m2View Answer
Answer» B. 11m2
782.

The energy per volume for Heavy compaction test is ______________

A. 593 kJ/m3
B. 2944 kJ/m3
C. 2674 kJ/m3
D. kJ/m3
Answer» C. 2674 kJ/m3
783.

The energy per volume for Light compaction test is ______________

A. 593 kJ/m3
B. 2944 kJ/m3
C. 2674 kJ/m3
D. kJ/m3
Answer» B. 2944 kJ/m3
784.

The energy per volume for Modified Proctor test is ______________

A. 593 kJ/m3
B. 2944 kJ/m3
C. 2674 kJ/m3
D. 4324 kJ/m3
Answer» D. 4324 kJ/m3
785.

If weight of rammer is W, free fall height is h, number of layers is N, number of blows is n, acceleration due to gravity is g and volume as V, then the formula for energy per volume is ______

A. \(\frac{WhNng}{V} \)
B. \(\frac{WVNng}{h} \)
C. \(\frac{Whng}{N} \)
D. \(\frac{WgN}{hnV} \)
Answer» B. \(\frac{WVNng}{h} \)
786.

The water content used in field compaction is called _______

A. optimum water content
B. dry water content
C. placement water content
D. specific water content
Answer» D. specific water content
787.

In Jodhpur mini compaction test, a 2.5 kg DRT is used which falls freely from a height of ______ cm.

A. 35
B. 31
C. 45.72
D. 25
Answer» B. 31
788.

In Jodhpur mini compaction test, the soil is compacted in ______ layers.

A. 1
B. 2
C. 5
D. 3
Answer» C. 5
789.

In Jodhpur mini compaction test, the mould has capacity of ________ litre.

A. 0.3
B. 0.945
C. 0.5
D. 0.423
Answer» B. 0.945
790.

In Jodhpur mini compaction test, the mould has effective height of ________ cm.

A. 6
B. 11.7
C. 40
D. 50
Answer» C. 40
791.

In Jodhpur mini compaction test, the mould has internal diameter of ________ mm.

A. 79.8
B. 12.7
C. 45.72
D. 101.5
Answer» B. 12.7
792.

The height of free fall in Abbot compaction test is _______ cm.

A. 35
B. 31
C. 45.72
D. 43
Answer» B. 31
793.

In Abbot Compaction test, the effective height is ____________ cm.

A. 6
B. 11.7
C. 40
D. 50
Answer» D. 50
794.

In Abbot Compaction test, the internal diameter of the mould is ____________ cm.

A. 2
B. 3
C. 5.2
D. 10.15
Answer» D. 10.15
795.

In Dietert test, the cylindrical weight falls through a height of ______ inches.

A. 2
B. 12
C. 18
D. 23
Answer» B. 12
796.

In Dietert test, the diameter of mould is _______ inches.

A. 2
B. 4
C. 6
D. 8
Answer» B. 4
797.

Which of the following monomers is the most reactive with vinyl acetate radical?

A. vinyl chloride
B. vinylidene chloride
C. dichloroethylene
D. tetrachloroethylene
Answer» C. dichloroethylene
798.

Which of the following monomer has the highest reactivity towards the styrene radical?

A. styrene
B. vinylidene chloride
C. vinyl acetate
D. butadiene
Answer» C. vinyl acetate
799.

Calculate the unity gain bandwidth of an op-amp. Given, A≅ 0.2×106 & fo =5Hz?

A. 106
B. 108
C. 10-5
D. 10-10
Answer» B. 108
800.

What is the voltage transfer function of op-amp in s-domain.

A. S×A/(s+ωo)
B. A/(s+ωo)
C. (A×ωo)/(s+ωo)
D. None of the mentioned
Answer» D. None of the mentioned