Explore topic-wise MCQs in Php.

This section includes 2242 Mcqs, each offering curated multiple-choice questions to sharpen your Php knowledge and support exam preparation. Choose a topic below to get started.

101.

The general model for the lower control limit for a value of quality characteristic “w” will be _____

A. LCL = μw + Lσw
B. LCL = μw – Lσ
C. LCL = μw – Lσw
D. LCL = μw + Lσ
Answer» D. LCL = μw + Lσ
102.

The correct expression for UCL for construction of a control chart is given by _____a) UCL = \(\overline{x} + Z_{\frac{\alpha}{2}} (\sigma_x)\) b) UCL = \(\overline{x} – Z_{\frac{\alpha}{2}} (\sigma)\) c) UCL = \(\overline{x} – Z_{\frac{\alpha}{2}} (\sigma_x)\) d) UCL = \(\overline{x} + Z_{\frac{\alpha}{2}} (\sigm

A. UCL = \(\overline{x} + Z_{\frac{\alpha}{2}} (\sigma_x)\)
B. UCL = \(\overline{x} – Z_{\frac{\alpha}{2}} (\sigma)\)
C. UCL = \(\overline{x} – Z_{\frac{\alpha}{2}} (\sigma_x)\)
D. UCL = \(\overline{x} + Z_{\frac{\alpha}{2}} (\sigma)\)
Answer» B. UCL = \(\overline{x} – Z_{\frac{\alpha}{2}} (\sigma)\)
103.

For a process, sample size=5, process standard deviation=0.15, mean=1.5, and the std. deviation of mean is 0.0671. What will be the value of 3σ upper control limit for the construction of control chart?

A. 1.7
B. 1.29
C. 1.92
D. 0.170
Answer» B. 1.29
104.

The size of sample is 5 for a process. If the process standard deviation is 0.15 micron, and the mean of process is 1.5 micron, the standard deviation of the sample average will be _______

A. 0.05
B. 0.1000
C. 0.6710
D. 0.0671
Answer» E.
105.

Control charts are the part of _______ step of DMAIC process.

A. Define
B. Measure
C. Act
D. Control
Answer» E.
106.

The general theory of Control charts was first developed by ________

A. Walter A. Shewhart
B. Deming
C. ISO
D. ASQC
Answer» B. Deming
107.

In the name of the OC curve, OC stands for ________

A. Operation Characteristic
B. Operating Characteristic
C. Operator Characteristic
D. Operated Characteristic
Answer» C. Operator Characteristic
108.

______________ is a bone disease that occurs when the body loses too much bone.

A. Osteoporosis
B. Osteomyelitis
C. Osteosarcoma
D. Fracture
Answer» B. Osteomyelitis
109.

Epithelial cells help in establishing new bones in animal models.

A. TRUE
B. FALSE
Answer» C.
110.

Bones contain elastic elements like type I collagen.

A. TRUE
B. FALSE
Answer» C.
111.

______________ imperfecta is a disorder of bone fragility chiefly caused by mutations in the COL1A1 and COL1A2 genes that encode type I procollagen.

A. Osteogenesis
B. Acetogenesis
C. Fibrogenesis
D. Hadrogenesis
Answer» B. Acetogenesis
112.

An osteoblast is a type of bone cell that breaks down bone tissue.

A. TRUE
B. FALSE
Answer» C.
113.

_____________ are simply osteoblasts trapped in the matrix that they secrete.

A. Osteocytes
B. Hepatocytes
C. Thrombocytes
D. Chondrocytes
Answer» B. Hepatocytes
114.

Formation of new bone tissue is known as __________

A. ossification
B. hematopoiesis
C. apoptosis
D. calcification
Answer» B. hematopoiesis
115.

Bone is a ______________ tissue.

A. connective
B. muscular
C. epithelial
D. nervous
Answer» B. muscular
116.

For a more extensive search, which keyword needs to be used?

A. ??
B. ?
C. ?=
D. =?
Answer» B. ?
117.

Which is the keyword used to open the Help window?

A. ()
B. #
C. ?
D. =
Answer» D. =
118.

Which of the following is/are not the features of R?

A. Small
B. Self-contained
C. Extensible
D. Large
Answer» E.
119.

What kind of data can be run in R?

A. Binary
B. Text
C. Decimals
D. All kinds
Answer» E.
120.

The resulting tree is then used to guide the alignment of the most closely related sequences and groups of sequences. The resulting alignment is a global alignment produced by the Needleman-Wunsch algorithm.

A. True
B. False
Answer» B. False
121.

Which of the following is untrue about PILEUP program?

A. It is the MSA program that is a part of the Genetics Computer Group package of sequence analysis programs
B. It is owned since 1997 by Oxford Communications and is widely used due to the popularity and availability of this package
C. It uses a method for MSA that is polar opposite to CLUSTALW
D. The sequences are aligned pair-wise using the Needleman- Wunsch dynamic programming algorithm
Answer» D. The sequences are aligned pair-wise using the Needleman- Wunsch dynamic programming algorithm
122.

Like other alignment programs, CLUSTAL uses a null score for opening a gap in a sequence alignment and a penalty for extending the gap by one residue.

A. True
B. False
Answer» C.
123.

The scoring of gaps in a MSA (Multiple Sequence Alignment) has to be performed in a different manner from scoring gaps in a pair-wise alignment.

A. True
B. False
Answer» B. False
124.

Progressive alignment methods use the dynamic programming method to build an MSA starting with the most related sequences and then progressively adding less related sequences or groups of sequences to the initial alignment.

A. True
B. False
Answer» B. False
125.

The command ________________ such tables are available only within the transaction executing the query and are dropped when the transaction finishes.

A. Create table
B. Create temporary table
C. Create view
D. Create label view
Answer» C. Create view
126.

The functions which construct histograms and use buckets for ranking is

A. Rank()
B. Newtil()
C. Ntil()
D. None of the mentioned
Answer» D. None of the mentioned
127.

If there are n tuples in the partition and the rank of the tuple is r, then its ________ is defined as (r −1)/(n−1).

A. Ntil()
B. Cum_rank
C. Percent_rank
D. rank()
Answer» D. rank()
128.

The __________ function that does not create gaps in the ordering.a) Intense_rank()b) Continue_rank()c) Default_rank()d) Dense_rank() Inorder to give only 10 rank on the whole we should use

A. Intense_rank()b) Continue_rank()c) Default_rank()d) Dense_rank() Inorder to give only 10 rank on the whole we should usea) Limit 10
B. Continue_rank()c) Default_rank()d) Dense_rank() Inorder to give only 10 rank on the whole we should usea) Limit 10b) Upto 10
C. Default_rank()d) Dense_rank() Inorder to give only 10 rank on the whole we should usea) Limit 10b) Upto 10c) Only 10
D. Dense_rank() Inorder to give only 10 rank on the whole we should usea) Limit 10b) Upto 10c) Only 10d) Max 10View Answer
Answer» E.
129.

Any recursive view must be defined as the union of two subqueries: a _______ query that is nonrecursive and a __________ query.

A. Base, recursive
B. Recursive, Base
C. Base, Redundant
D. View, Base
Answer» B. Recursive, Base
130.

What is the symbol used for the number of turns in the secondary winding?

A. T
B. Tsw
C. Ts
D. Tws
Answer» D. Tws
131.

What is the symbol used for the maximum flux density in computer aided designing?

A. Bm
B. Bf
C. Bfd
D. Bmf
Answer» B. Bf
132.

How many design procedures are present in the design of transformers?

A. 10
B. 9
C. 11
D. 8
Answer» D. 8
133.

It is fairly easy to program and to use and understand the analysis method.

A. True
B. False
Answer» B. False
134.

How many different approaches are present in the computer aided design?

A. 2
B. 3
C. 4
D. 5
Answer» D. 5
135.

When was the computer aided design introduced and who was the founder?

A. 1950, Heroz
B. 1959, Heroz
C. 1959, Veinott
D. 1956, Veinott
Answer» C. 1959, Veinott
136.

Which of the following is a correct feature for the free-interface diffusion method of protein crystallization?

A. Only one layer of precipitant solution
B. Only one layer of protein solution
C. The upper layer of a precipitant solution and lower layer of protein solution
D. The upper layer of protein solution and lower layer of precipitant solution
Answer» E.
137.

Which of the following method uses different conditions for nucleation and growth to achieve improved crystal quality?

A. Vapour diffusion
B. Microdialysis
C. Free-interface diffusion
D. Micro-batch crystallization
Answer» E.
138.

In which of the following method, the droplet must be covered with paraffin oil to prevent evaporation?

A. Microdialysis
B. Free-interface diffusion
C. Vapour diffusion
D. Micro-batch crystallization
Answer» E.
139.

Which of the following method utilizes free diffusion between a concentrated protein solution and a precipitant solution?

A. Micro-batch crystallization
B. Vapour diffusion
C. Microdialysis
D. Free-interface diffusion
Answer» E.
140.

Which of the following method takes advantage of a semi-permeable membrane for protein crystallization?

A. Vapour diffusion
B. Micro-batch crystallization
C. Free-interface diffusion
D. Microdialysis
Answer» E.
141.

In which of the following method, the protein drop is on the elevated platform?

A. Hanging-drop vapour diffusion method
B. Elevated-drop vapour diffusion method
C. Standing-drop vapour diffusion method
D. Sitting-drop vapour diffusion method
Answer» E.
142.

In the sitting drop vapour diffusion method the protein drop is suspended from a coverslip over the reservoir.

A. True
B. False
Answer» C.
143.

Which of the following does not make the protein solution supersaturated?

A. Addition of salt
B. Change of pH
C. Addition of bridging ions
D. Addition of water
Answer» E.
144.

Which of the following does not promote protein crystal formation?

A. Addition of organic solvents
B. Direct mixing of protein and precipitant solutions
C. Altering the temperature
D. Addition of a solubilizing agent
Answer» E.
145.

Which of the following is not a method for creating supersaturation?

A. Salting in
B. Salting out
C. Evaporation
D. Dilution
Answer» E.
146.

Nucleation represents which order phase transition?

A. Zero-order
B. Third-order
C. Second-order
D. First-order
Answer» E.
147.

Crystallization of proteins proceeds in two distinct steps. Which are these steps?

A. Solidification and crystallization
B. Crystallization and expansion
C. Growth and solidification
D. Nucleation and growth
Answer» E.
148.

The extent of the diffraction pattern from a crystal is inversely correlated with its degree of internal order.

A. True
B. False
Answer» C.
149.

Macromolecular crystals are temperature sensitive.

A. False
B. True
Answer» C.
150.

Consider the below statements and choose the most appropriate.(i) Guy wire is galvanised.(ii) Guy wire should possess high conductivity.(iii) At installation it makes an angle of 40-60 degrees with earth.

A. (i), (ii) and (iii) are true
B. Only (i) and (ii) are true
C. (ii) and (iii) are true
D. (i) and (iii) are true
Answer» B. Only (i) and (ii) are true