Explore topic-wise MCQs in Php.

This section includes 2095 Mcqs, each offering curated multiple-choice questions to sharpen your Php knowledge and support exam preparation. Choose a topic below to get started.

801.

Which of the following process proceeds with having a rich fermentation broth and high oxygen concentration?

A. Submerged fermentation
B. Surface fermentation
C. Solid state fermentation
D. Batch fermentation
Answer» B. Surface fermentation
802.

Which of the following is not true for submerged liquid fermentation?

A. The concentration of media is lower
B. Small-size bioreactors are used
C. Easy sampling
D. Expensive downstream processing
Answer» C. Easy sampling
803.

In which of the following the microorganisms grow inside the medium?

A. Submerged fermentation
B. Surface fermentation
C. Solid state fermentation
D. Batch fermentation
Answer» B. Surface fermentation
804.

Which of the following grows on the surface of the medium when Aspergillus niger is inoculated?

A. Slime layer
B. Mycelium layer
C. Foam layer
D. Capsule
Answer» C. Foam layer
805.

Which of the following is not required in surface fermentation?

A. Aeration
B. Baffles
C. Agitation
D. Stirrer
Answer» D. Stirrer
806.

In which of the following the microorganisms grow on the surface of the medium?

A. Submerged fermentation
B. Surface fermentation
C. Solid state fermentation
D. Batch fermentation
Answer» C. Solid state fermentation
807.

Low w/c ratio helps to control suphate attack.

A. True
B. False
Answer» B. False
808.

Fly ash affects the sulphate attack.

A. True
B. False
Answer» B. False
809.

What is external sulphates attack?

A. Industrial waste water
B. Presence of natural gypsum in the aggregates
C. Hydraulic cements
D. Portland cement might be over-sulphated
Answer» B. Presence of natural gypsum in the aggregates
810.

What is internal sulphates attack?

A. Sulphate are more usually are a result of high-sulphate soils
B. Sulphate are more usually are a result of ground water
C. Industrial waste water
D. Hydraulic cements
Answer» E.
811.

The breaking up of cohesion in a mass of concrete is called ________

A. Workability
B. Segregation
C. Bleeding
D. Creep
Answer» C. Bleeding
812.

Mobile portions of a chromosome which can be transferred from one portion to another are termed as ___________

A. mobile part
B. transposons
C. walking elements
D. transferrable genetic element
Answer» C. walking elements
813.

If the clone for a gene is obtained on the basis of its position in the gene map, then it is called as ___________

A. locational cloning
B. positional cloning
C. chromosome walking
D. transposon tagging
Answer» C. chromosome walking
814.

Sometimes successive rounds of screening of a genomic library are carried out and an ordered collection of clones is done in a linear fashion, then the process is called as ___________

A. chromosome jumping
B. chromosome sorting
C. chromosome walking
D. transposon tagging
Answer» D. transposon tagging
815.

The important parameters for precise annealing of the probe and the subsequent washing don’t include ___________

A. Size of the probe
B. Proportion of only A
C. Ionic concentration of hybridization buffer
D. Other agents which alter the base pairing
Answer» C. Ionic concentration of hybridization buffer
816.

The process of baking or cross-linking of the membrane is carried out by ___________

A. By heating at 80 degrees
B. By irradiating with UV
C. Both irradiation and heating method are used
D. By addition of agarose
Answer» D. By addition of agarose
817.

For the following function, Which function call ensures condition coverage for this function?

A. example(1,1)
B. example(0,1)
C. example(1,1) and example(0,1)
D. example(1,0) and example(0,1)View Answer
Answer» E.
818.

For the following function, Which function call ensure branch coverage for this function?

A. example(1,1)
B. example(0,1)
C. example(1,1) and example(0,1)
D. example(1,1) and example(1,1)View Answer
Answer» D. example(1,1) and example(1,1)View Answer
819.

For the following function, Which function call ensure function coverage for this function?

A. ex(1,2)
B. example(3,4)
C. example1(1,2)
D. etra(2,3)View Answer
Answer» C. example1(1,2)
820.

For the following function, Which function call ensure statement coverage for this function?

A. example(0,0)
B. example(1,0)
C. example(0,1)
D. example(1,1)View Answer
Answer» E.
821.

______________ requires that only the first and second conditions of the RIP model are satisfied.

A. Weak mutation testing
B. Strong mutation testing
C. Weak test data
D. Strong test data
Answer» B. Strong mutation testing
822.

Which of the following is a site used for Competitive Intelligence gathering?

A. https://www.bidigital.gov/
B. https://www.cig.com/ci/
C. https://www.coginfo.com/ci/
D. https://www.bidigital.com/ci/
Answer» E.
823.

https://www.bidigital.com/ci/ is a website which is used for _________________

A. Competitive Intelligence gathering
B. Cognitive Intelligence gathering
C. Cyber Intelligence gathering
D. Competitors Info gathering
Answer» B. Cognitive Intelligence gathering
824.

Predict and analyze the tactics of competitors from data taken out from online data sources is a crime.

A. True
B. False
Answer» C.
825.

Competitive information gathering if done in the form of active attack using malware or by other illicit means can put your hired hacker or your company at stake.

A. True
B. False
Answer» B. False
826.

______________ is important to grab a quick understanding and analyzing about your competitors or target user’s need.

A. Competitive Intelligence gathering
B. Cognitive Intelligence gathering
C. Cyber Intelligence gathering
D. Competitors Info gathering
Answer» B. Cognitive Intelligence gathering
827.

____________ is the term used for gathering information about your competitors from online resources, researches, and newsgroups.

A. Competitive Intelligence gathering
B. Cognitive Intelligence gathering
C. Cyber Intelligence gathering
D. Competitors Info gathering
Answer» B. Cognitive Intelligence gathering
828.

The architecture of CPU of Pentium III is suitable for

A. multimedia
B. image processing
C. speech processing
D. all of the mentioned
Answer» E.
829.

Pentium III is used in computers which run on the operating system of

A. windows NT
B. windows 98
C. unix
D. all of the mentioned
Answer» E.
830.

The instruction of MMX that is essential when a floating-point routine calls an MMX routine or viceversa is

A. MOV
B. PADD
C. EMMS
D. None of the mentioned
Answer» D. None of the mentioned
831.

In a preemptive multitasking O.S., the saving and restoring of FP and MMX states are performed by

A. Control unit
B. O.S.
C. MMX instructions
D. MMX registers
Answer» C. MMX instructions
832.

When an MMX instruction is getting executed, the floating-point tag word is marked

A. 11
B. 10
C. 00
D. 01
Answer» D. 01
833.

The data type, “one quad word” packs __________ into 64-bit.

A. two 32-bit quantities
B. four 16-bit words
C. one 32-bit and two 16-bit quantities
D. one single 64-bit quantity
Answer» E.
834.

In the data type, packed byte, the number of bytes that can be packed into one 64-bit quantity is

A. 2
B. 4
C. 8
D. 16
Answer» D. 16
835.

In steel roof trusses, the diameter of rivets used for large spans is _________

A. 10 mm
B. 15 mm
C. 20 mm
D. 50 mm
Answer» D. 50 mm
836.

In a steel roof truss, which of the following is made of single angle sections only?

A. Principal rafter
B. Strut
C. Main tie
D. King-post
Answer» C. Main tie
837.

Which of the following is not a category of steel trusses?

A. Open trusses
B. North light trusses
C. Bowstring trusses
D. King-post trusses
Answer» E.
838.

A steel roof truss is designed in such a way that it carries only direct stresses and not binding stresses.

A. True
B. False
Answer» B. False
839.

Timber trusses are not preferred when the span is greater than __________

A. 3 m
B. 5 m
C. 7 m
D. 10 m
Answer» E.
840.

In the combination of king-post and queen-post trusses given below, C represents _______

A. King-post
B. Princess post
C. Queen-post
D. Rafter
Answer» C. Queen-post
841.

Which of the following types of trusses is not a wooden truss?

A. King-post truss
B. Mansard truss
C. Composite truss
D. Truncated truss
Answer» D. Truncated truss
842.

Composite roof trusses are made of _____ and ______

A. Timber and steel
B. Timber and wood
C. Timber and sand
D. Sand and steel
Answer» B. Timber and wood
843.

Which of the following types of trusses is in the shape of a bow?

A. Mansard truss
B. King-post truss
C. Queen-post truss
D. Bel-fast truss
Answer» E.
844.

In a mansard roof truss, the upper portion consists of a queen-post truss.

A. True
B. False
Answer» C.
845.

Alpha iron exists only in high temperature and pressure conditions.

A. True
B. False
Answer» C.
846.

What is the value of ‘a’ in a delta iron lattice?

A. 2.00 Å
B. 2.93 Å
C. 4.00 Å
D. 4.93 Å
Answer» C. 4.00 Å
847.

What is the kind of lattice in a gamma iron?

A. Face centered cubic
B. Body centered cubic
C. Hexagonal closely packed
D. Tetragonal closely packed
Answer» B. Body centered cubic
848.

What is the melting point of pure iron?

A. 1500°C
B. 1535°C
C. 1570°C
D. 1605°C
Answer» C. 1570°C
849.

The normal form which satisfies multivalued dependencies and which is in BCNF is

A. 4 NF
B. 3 NF
C. 2 NF
D. All of the mentioned
Answer» B. 3 NF
850.

The __________ varnishes dry slowly, but they form hard and durable surface.

A. Oil
B. Spirit
C. Water
D. Turpentine
Answer» B. Spirit