MCQOPTIONS
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MCQOPTIONS
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.
| 101. |
Tortoise shell or calico cats are always ________________ for O locus that is responsible for orange color development. |
| A. | Homozygous |
| B. | Heterozygous |
| C. | Deleterious |
| D. | Duplication |
| Answer» C. Deleterious | |
| 102. |
XIST mRNA coats the inactive X and calls in _____________ |
| A. | tRNA and ribosome |
| B. | Other mRNA |
| C. | Deacetylase and specific methylase |
| D. | Acetylase and demethylase |
| Answer» D. Acetylase and demethylase | |
| 103. |
X inactivation is an example of epigenetic phenomenon. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 104. |
Both Drosophila and mammals have XY system of sex determination. Dosage compensation y inactivation of one X chromosome is seen in ___________________ |
| A. | Mammals |
| B. | Drosophila |
| C. | Metaphase |
| D. | Telophase |
| Answer» B. Drosophila | |
| 105. |
Which of the following is an associative array? |
| A. | a[ ] |
| B. | arr[ ] |
| C. | envr [ ] |
| D. | ENVIRON[ ] |
| Answer» E. | |
| 106. |
Which of the following is not true about awk arrays? |
| A. | they are not expanded automatically |
| B. | they are initialized to zero or an empty string |
| C. | index can be a string also |
| D. | they are not formally defined |
| Answer» B. they are initialized to zero or an empty string | |
| 107. |
awk supports the use of arrays. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 108. |
____ section can be used if we’ve to print something after processing the last line. |
| A. | end |
| B. | begin |
| C. | start |
| D. | first |
| Answer» C. start | |
| 109. |
____ section can be used if we’ve to print something before processing the first line. |
| A. | end |
| B. | begin |
| C. | start |
| D. | first |
| Answer» C. start | |
| 110. |
Which of the following is untrue regarding PHD? |
| A. | It stands for Profile network from Heidelberg |
| B. | It is a web-based program that combines neural network only |
| C. | It first performs a BLASTP of the query sequence against a non redundant protein sequence database |
| D. | In initial steps it finds a set of homologous sequences, which are aligned with the MAXHOM program (a weighted dynamic programming algorithm performing global alignment) |
| Answer» C. It first performs a BLASTP of the query sequence against a non redundant protein sequence database | |
| 111. |
Which of the following is untrue regarding Prediction with Neural Networks? |
| A. | The third-generation prediction algorithms extensively apply sophisticated neural networks |
| B. | It is used to analyze substitution patterns in multiple sequence alignments |
| C. | It is not a machine learning process |
| D. | It requires a structure of multiple layers of interconnected variables or nodes |
| Answer» D. It requires a structure of multiple layers of interconnected variables or nodes | |
| 112. |
Because residues in the same aligned position are assumed to have the same secondary structure, any inconsistencies or errors in prediction of individual sequences can be corrected using a majority rule. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 113. |
Which of the following is untrue regarding Chou–Fasman and GOR methods? |
| A. | Both are the first-generation methods |
| B. | They are developed in the 1970s, |
| C. | They suffer from the fact that the prediction rules are somewhat arbitrary |
| D. | They are based on single sequence statistics with clear relation to known protein-folding theories |
| Answer» E. | |
| 114. |
The GOR method is based on the “propensity” of each residue to be in one of the two conformational states, helix (H), strand(E). |
| A. | True |
| B. | False |
| Answer» C. | |
| 115. |
The Chou–Fasman algorithm determines the propensity or intrinsic tendency of each residue to be in the helix, strand, and β-turn conformation using observed frequencies found in protein crystal structures. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 116. |
Which of the following is untrue regarding Ab Initio–Based Methods? |
| A. | This type of method predicts the secondary structure based on a single query sequence |
| B. | This type of method predicts the secondary structure based on a multiple query sequence |
| C. | It measures the relative propensity of each amino acid belonging to a certain secondary structure element |
| D. | The propensity scores are derived from known crystal structures |
| Answer» C. It measures the relative propensity of each amino acid belonging to a certain secondary structure element | |
| 117. |
The secondary structure prediction methods can be either ab initio based, which make use of single sequence information only, or homology based, which makes use of multiple sequence alignment information. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 118. |
The formation of _____ is determined by ______ interactions, whereas the formation of ____ is strongly influenced by ______ interactions. |
| A. | α-helices, long-range, α-helices, short-range |
| B. | α-helices, long-range, β-strands, short-range |
| C. | α-helices, short-range, β-strands, long-range |
| D. | β-strands, short-range, β-strands, long-range |
| Answer» D. β-strands, short-range, β-strands, long-range | |
| 119. |
In practical case under a finite surface loading the intensity σ’ ______ with depth of layer. |
| A. | decreases |
| B. | increases |
| C. | remains constant |
| D. | has negligible effect |
| Answer» B. increases | |
| 120. |
The consolidation settlement ρf for a soil stature of thickness H that has fully consolidated index, a pressure increment ∆σ’ with respect to mv is given by ____________ |
| A. | ρf=mv H |
| B. | ρf=H∆σ’ |
| C. | ρf=mv H∆σ’ |
| D. | ρf=mv ∆σ’ |
| Answer» D. ρf=mv ∆σ’ | |
| 121. |
The consolidation settlement can be computed by ______ |
| A. | using coefficient of volume change only |
| B. | using voids ratio only |
| C. | using both Using coefficient of volume change and voids ratio |
| D. | using compression index only |
| Answer» D. using compression index only | |
| 122. |
The minus sign in the change expression for change in thickness ∆H = -mv Ho ∆σ’ denotes ______ |
| A. | thickness decreases with increase in pressure |
| B. | thickness decreases with decrease in pressure |
| C. | thickness increases with increase in pressure |
| D. | thickness does not changewith increase in pressure |
| Answer» B. thickness decreases with decrease in pressure | |
| 123. |
The change in thickness due to pressure increment is given by ______ |
| A. | ∆H = -mv Ho ∆σ’ |
| B. | ∆H = -mv ∆σ’ |
| C. | ∆H = -mv Ho |
| D. | ∆H = -Ho ∆σ’ |
| Answer» B. ∆H = -mv ∆σ’ | |
| 124. |
The coefficient of volume change with respect to thickness is given by ______ |
| A. | \(m_v= H\frac{1}{∆σ’} \) |
| B. | \(m_v= \frac{-∆H}{H_0} \) |
| C. | \(m_v= \frac{-∆H}{H_0}\frac{1}{e}\) |
| D. | \(m_v= \frac{-∆H}{H_0}\frac{1}{∆σ’} \) |
| Answer» E. | |
| 125. |
When the soil is laterally confined, the changes in volume is ______ |
| A. | proportional to change in thickness ∆H |
| B. | inversely proportional to change in thickness ∆H |
| C. | equal to change in thickness ∆H |
| D. | does not depend upon the thickness |
| Answer» B. inversely proportional to change in thickness ∆H | |
| 126. |
The relation between mv and av is __________ |
| A. | \(m_v=\frac{a_v}{e_0} \) |
| B. | \(m_v=\frac{a_v}{1+∆σ’} \) |
| C. | \(m_v=\frac{a_v}{1+e_0} \) |
| D. | \(m_v=\frac{1}{e_0}\frac{a_v}{1+e_0} \) |
| Answer» D. \(m_v=\frac{1}{e_0}\frac{a_v}{1+e_0} \) | |
| 127. |
The coefficient of volume change mv is given by ______ |
| A. | \(m_v= \frac{1}{∆σ’} \) |
| B. | \(m_v= \frac{-∆e}{1+e_o} \) |
| C. | \(m_v= \frac{-∆e}{1+e_o} \frac{1}{∆σ}\) |
| D. | \(m_v= \frac{-∆e}{1+e_o} \frac{1}{∆σ’} \) |
| Answer» E. | |
| 128. |
The coefficient of volume change mv is also known as ______________ |
| A. | coefficient of compressibility |
| B. | coefficient of volume compressibility |
| C. | compression index |
| D. | expansion index |
| Answer» C. compression index | |
| 129. |
For a given difference in pressure, the value of av _______ as pressure increases. |
| A. | increases |
| B. | decreases |
| C. | is same |
| D. | becomes unity |
| Answer» C. is same | |
| 130. |
The coefficient of compressibility av is given by _____________ |
| A. | \(a_v=-\frac{e_0}{∆σ’}\) |
| B. | \(a_v=-\frac{∆σ’}{∆e}\) |
| C. | av=-∆e |
| D. | \(a_v=-\frac{∆e}{∆σ^{‘}}\) |
| Answer» E. | |
| 131. |
The equation for pre-compressed soil given by Hough (1957) is ______ |
| A. | Cc=0.009(wL-10%) |
| B. | Cc=0.007(wL-10%) |
| C. | Cc=0.3(e0-0.27) |
| D. | Cc=0.007(wL-30%) |
| Answer» D. Cc=0.007(wL-30%) | |
| 132. |
The Cc for ordinary clay of medium to low sensitivity, the value of Cc corresponding to the field consolidation line is given by ______ |
| A. | Cc=0.009(wL-10%) |
| B. | Cc=0.007(wL-10%) |
| C. | Cc=0.007(wL-20%) |
| D. | Cc=0.007(wL-30%) |
| Answer» B. Cc=0.007(wL-10%) | |
| 133. |
For an ordinary clay of medium to low sensitivity, the value of Cc corresponding to the field consolidation line is roughly equal to __________ the compression index of remolded sample. |
| A. | 1.3 |
| B. | 2.3 |
| C. | 3.3 |
| D. | 4.3 |
| Answer» B. 2.3 | |
| 134. |
Which type of grounding is used to suppress the capacitive effect? |
| A. | Solid grounding |
| B. | Reactance grounding |
| C. | Resistance grounding |
| D. | Peterson coil |
| Answer» E. | |
| 135. |
Calculate the value of impedance using the data: R=2 Ω, XL=4 Ω. |
| A. | 5.5 Ω |
| B. | 5.4 Ω |
| C. | 2.5 Ω |
| D. | 4.4 Ω |
| Answer» E. | |
| 136. |
Calculate the apparent power using the data: P=3 W, Q=4 VAR. |
| A. | 5 VA |
| B. | 6 VA |
| C. | 9 VA |
| D. | 2 VA |
| Answer» B. 6 VA | |
| 137. |
Calculate the active power in 56 μF capacitor if the VRF value is 5.1%. |
| A. | 6 W |
| B. | 0 W |
| C. | 9 W |
| D. | 2 W |
| Answer» C. 9 W | |
| 138. |
Calculate the power factor using the data: P=15 W, S=25 VA. |
| A. | 0.5 |
| B. | 0.9 |
| C. | 0.4 |
| D. | 0.6 |
| Answer» E. | |
| 139. |
Calculate the active power in 14 μH inductors if the THD value is 58.1%. |
| A. | 5 W |
| B. | 9 W |
| C. | 4 W |
| D. | 0 W |
| Answer» E. | |
| 140. |
If induction motor rotor power is 26 KW and gross developed power is 21 KW, then rotor ohmic loss will be _________ KW. |
| A. | 5 |
| B. | 6 |
| C. | 7 |
| D. | 8 |
| Answer» B. 6 | |
| 141. |
If induction motor air gap power is 11 KW and mechanically developed power is 2 KW, then rotor ohmic loss will be _________ KW. |
| A. | 8 |
| B. | 10 |
| C. | 9 |
| D. | 11 |
| Answer» D. 11 | |
| 142. |
Skin effect increases at higher frequencies. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 143. |
Which is the most severe type of fault? |
| A. | LL |
| B. | LLG |
| C. | LLL |
| D. | LLLG |
| Answer» E. | |
| 144. |
SVC is used to maintain the power factor above __________ |
| A. | 0.2 |
| B. | .5 |
| C. | .8 |
| D. | .6 |
| Answer» D. .6 | |
| 145. |
The circuit which operates signals is called as ___________ |
| A. | Track circuit |
| B. | Fellow circuit |
| C. | Ground circuit |
| D. | Unit circuit |
| Answer» B. Fellow circuit | |
| 146. |
Full form of STATCOM is ___________ |
| A. | Static Synchronous Counter |
| B. | Static Synchronous Compensator |
| C. | State Synchronized Compensator |
| D. | State System Counter |
| Answer» C. State Synchronized Compensator | |
| 147. |
Full form of SVC is ___________ |
| A. | Static Var Compensator |
| B. | Static Variable Counter |
| C. | State Value Counter |
| D. | Static Value Compensator |
| Answer» B. Static Variable Counter | |
| 148. |
To arrive at a form which is suitable for implementation in some programming language is the purpose ofa) Structured Analysis (S |
| A. | Structured Analysis (SA) |
| B. | Structured Design (SD) |
| C. | Detailed Design (DD) |
| D. | None of the mentioned |
| Answer» C. Detailed Design (DD) | |
| 149. |
With respect to the universal genetic code pick the odd one out. |
| A. | UAA – Glutamine |
| B. | UGG – Tryptophan |
| C. | AGA – Stop |
| D. | CUG – Serine |
| Answer» C. AGA – Stop | |
| 150. |
Fruitfly mitochondrial codes AGA and AGG codes for _____________ |
| A. | Termination |
| B. | Tryptophan |
| C. | Serine |
| D. | Arginine |
| Answer» D. Arginine | |