MCQOPTIONS
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MCQOPTIONS
This section includes 2374 Mcqs, each offering curated multiple-choice questions to sharpen your Embedded Systems knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
Final value theorem is used for: |
| A. | All type of systems |
| B. | Stable systems |
| C. | Unstable systems |
| D. | Marginally stable systems |
| Answer» C. Unstable systems | |
| 102. |
If the z transform of x(n) is X(z) =z(8z-7)/4z2-7z+3, then the final value theorem is : |
| A. | 1 |
| B. | 2 |
| C. | ∞ |
| D. | 0 |
| Answer» B. 2 | |
| 103. |
Assertion (A): Z-transform is used to analyze discrete time systems and it is also called pulsed transfer function approach.Reason(R): The sampled signal is assumed to be a train of impulses whose strengths, or areas, are equal to the continuous time signal at the sampling instants. |
| A. | Both A and R are true and R is correct explanation of A |
| B. | Both A and R are true and R is not correct Explanation of A |
| C. | A is True and R is false |
| D. | A is False and R is true |
| Answer» B. Both A and R are true and R is not correct Explanation of A | |
| 104. |
Assertion (A): The system functionH(z) = z3-2z2+z/z2+1/4z+1/s is not causalReason (R): If the numerator of H (z) is of lower order than the denominator, the system may be causal. |
| A. | Both A and R are true and R is correct explanation of A |
| B. | Both A and R are true and R is not correct Explanation of A |
| C. | A is True and R is false |
| D. | A is False and R is true |
| Answer» B. Both A and R are true and R is not correct Explanation of A | |
| 105. |
In a capillary tube experiment, a vertical, 30 cm long capillary tube is dipped in water. The water rises up to a height of 10 cm due to capillary action. If this experiment is conducted in a freely falling elevator, the length of the water column becomes ___________ |
| A. | 10 cm |
| B. | 20 cm |
| C. | 30 cm |
| D. | Zero |
| Answer» D. Zero | |
| 106. |
At a critical temperature, the surface tension of a liquid ___________ |
| A. | Is zero |
| B. | Is infinity |
| C. | Is the same as any other temperature |
| D. | Cannot be determined |
| Answer» B. Is infinity | |
| 107. |
Assertion: A this stainless steel needle can lay floating on a still water surface.Reason: Any objection floats, when the buoyancy force balances the weight of the object. |
| A. | Both assertion and reason are true and the reason is the correct explanation of the assertion |
| B. | Both assertion and reason are true but the reason is not the correct explanation of the assertion |
| C. | Assertion is true but the reason is false |
| D. | Assertion and reason is false |
| Answer» D. Assertion and reason is false | |
| 108. |
A 20cm long capillary tube is dipped in water. The water rises up to 8cm. If the entire arrangement is put in a freely falling elevator the length of the water column in the capillary tube will be ___________ |
| A. | 4cm |
| B. | 20cm |
| C. | 8cm |
| D. | 10cm |
| Answer» C. 8cm | |
| 109. |
If two soap bubbles of different radii are connected by a tube ___________ |
| A. | Air flow from the bigger bubble to the smaller bubble till the sizes become equal |
| B. | Air flows from bigger bubble to the smaller bubble till the sizes are interchanged |
| C. | Air flows from the smaller bubble to the bigger |
| D. | There is no flow of air |
| Answer» D. There is no flow of air | |
| 110. |
Statement 1: The stream of water flowing at high speed from a garden hose pipe tends to spread like a fountain when held vertically up, but tends to narrow down when held vertically down.Statement 2: In any steady flow of an incompressible fluid, the volume flow rate of the fluid remains constant. |
| A. | Statement 1 is true, statement 2 is true. Statement 2 is a correct explanation for statement 1 |
| B. | Statement 1 is true, statement 2 is true. Statement 2 is not a correct explanation for statement 1 |
| C. | Statement 1 is true, statement 2 is false |
| D. | Statement 1 is false, statement 2 is true |
| Answer» B. Statement 1 is true, statement 2 is true. Statement 2 is not a correct explanation for statement 1 | |
| 111. |
A closed compartment containing gas in moving with some acceleration on horizontal direction. Neglect effect of gravity. Then the pressure in the compartment is ___________ |
| A. | Same everywhere |
| B. | Lower in the front side |
| C. | Lower in the rear side |
| D. | Lower in the upper side |
| Answer» C. Lower in the rear side | |
| 112. |
The density of the atmosphere at sea level is 1.29kgm-3. Assume that is does not change with altitude. Then how high would the atmosphere extend? (g=9.8mm-2) |
| A. | 0.5km |
| B. | 0.8km |
| C. | 8km |
| D. | 80km |
| Answer» D. 80km | |
| 113. |
What will be the length of a mercury column in a barometer tube, when the atmospheric pressure is 75cm of mercury and the tube is inclined at an angle of 60° with the horizontal direction? |
| A. | 8.66cm |
| B. | 86.6cm |
| C. | 866cm |
| D. | 0.866cm |
| Answer» C. 866cm | |
| 114. |
A Compiler has __________ phases. |
| A. | 7 |
| B. | 6 |
| C. | 8 |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 115. |
A Lex compiler generates ___________ |
| A. | Lex object code |
| B. | Transition tables |
| C. | Tokens |
| D. | None of the mentioned |
| Answer» C. Tokens | |
| 116. |
Yacc semantic action is a sequence of ___________ |
| A. | Tokens |
| B. | Expression |
| C. | Statement |
| D. | Rules |
| Answer» D. Rules | |
| 117. |
What is the input of Lex? |
| A. | Set to regular expression |
| B. | Statement |
| C. | Numeric data |
| D. | ASCII data |
| Answer» B. Statement | |
| 118. |
Daisy chain is a device for ___________ |
| A. | None of the mentioned |
| B. | Connecting devices to a controller |
| C. | Connecting controller to devices |
| D. | All of the mentioned |
| Answer» C. Connecting controller to devices | |
| 119. |
Non modifiable procedures are called ___________ |
| A. | Concurrent procedures |
| B. | Serially usable procedures |
| C. | Re-entrant procedures |
| D. | Top down procedures |
| Answer» C. Re-entrant procedures | |
| 120. |
In which addressing mode the operand is given explicitly in the instruction? |
| A. | Absolute mode |
| B. | Immediate mode |
| C. | Indirect mode |
| D. | Index mode |
| Answer» C. Indirect mode | |
| 121. |
During photosynthesis, how many chlorophyll molecules are required to produce one oxygen molecule? |
| A. | 1000 |
| B. | 2000 |
| C. | 2500 |
| D. | 3000 |
| Answer» D. 3000 | |
| 122. |
Which of the following Vitamins act as an electron acceptor in light dependent photosynthesis? |
| A. | Vitamin A |
| B. | Vitamin D |
| C. | Vitamin E |
| D. | Vitamin K |
| Answer» E. | |
| 123. |
What is the maximum wavelength of light photosystem II can absorb? |
| A. | 680nm |
| B. | 450nm |
| C. | 700nm |
| D. | 230nm |
| Answer» B. 450nm | |
| 124. |
What is the other name of Plastoquinol – plastocyanin reductase? |
| A. | Cytochrome b4f complex |
| B. | Cytochrome b5f complex |
| C. | Cytochrome b6f complex |
| D. | Cytochrome b5g complex |
| Answer» D. Cytochrome b5g complex | |
| 125. |
Which of the following amino acid is helpful in the synthesis of plastoquinone? |
| A. | Valine |
| B. | Isoleucine |
| C. | Leucine |
| D. | Tyrosine |
| Answer» E. | |
| 126. |
Photosystem II happens before photosystem I. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 127. |
What is the name of the book written by Jan Ingenhousz, which explains the basis of photosynthesis? |
| A. | Experiments upon Fruits |
| B. | Experiments upon Vegetables |
| C. | Experiments upon Plants |
| D. | Experiments upon Animals |
| Answer» C. Experiments upon Plants | |
| 128. |
Which pigment protects the photosystem from ultraviolet radiation? |
| A. | Chlorophyll a |
| B. | Chlorophyll b |
| C. | Carotenoids |
| D. | Anthocyanin |
| Answer» D. Anthocyanin | |
| 129. |
In which part of the plant, does photosynthesis takes place? |
| A. | Peroxisomes |
| B. | Glyoxisomes |
| C. | Quantosomes |
| D. | Lysosomes |
| Answer» D. Lysosomes | |
| 130. |
The _____________ in a document and the order in which it is presented is referred to as the document’s logical structure. |
| A. | data |
| B. | information |
| C. | features |
| D. | functions |
| Answer» C. features | |
| 131. |
A structure that is system- dependent. |
| A. | Logical |
| B. | Smart |
| C. | Nano |
| D. | Physical |
| Answer» E. | |
| 132. |
An example of e-mail utility. |
| A. | Word |
| B. | Outlook |
| C. | Explorer |
| D. | Excel |
| Answer» C. Explorer | |
| 133. |
Category of software that comprises word processing, graphics, databases etc. |
| A. | System |
| B. | Application |
| C. | General purpose |
| D. | OS |
| Answer» C. General purpose | |
| 134. |
In which of the following systems, transcription and translation are carried out together? |
| A. | Reticuloycte lysate |
| B. | Wheat gram extract |
| C. | Both in reticulocyte lysate and wheat gram extract |
| D. | S-30 extract |
| Answer» E. | |
| 135. |
In ________ transcription and translation is coupled. |
| A. | prokaryotes |
| B. | eukaryotes |
| C. | both prokaryotes and eukaryotes |
| D. | both prokaryotes and eukaryotes, but favourable in eukaryotes |
| Answer» B. eukaryotes | |
| 136. |
Treatment of reticulocyte cells is done with EGTA. It chelates the calcium ions which are required for functioning of micrococcal nuclease. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 137. |
Reticulocytes are immature red cells, which are obtained from ___________ |
| A. | rabbit |
| B. | pig |
| C. | human |
| D. | cow |
| Answer» B. pig | |
| 138. |
For the production of unlabelled and huge amount of proteins, which of the following is true? |
| A. | Transcription is carried out in vivo and translation in vitro |
| B. | Transcription and translation both are carried out in vivo |
| C. | Transcription and translation both are carried out in vitro |
| D. | Transcription is carried out in vitro and translation in vivo |
| Answer» C. Transcription and translation both are carried out in vitro | |
| 139. |
Small quantities of radiolabelled RNA can be produced by translation in vitro which is done by transcription in vitro. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 140. |
Little quantities of radiolabelled proteins are required for which of the following? |
| A. | co or post translational targeting |
| B. | modification of proteins |
| C. | both co or post translational targeting and modification of proteins |
| D. | crystallization for structural studies |
| Answer» D. crystallization for structural studies | |
| 141. |
Foam workover fluid is a mixture of Water and Oil. |
| A. | True |
| B. | False |
| Answer» C. | |
| 142. |
How can a dirty tubing string clean? |
| A. | By setting a wireline plug at the bottom |
| B. | By Packer |
| C. | By formation fluid |
| D. | By formation water. |
| Answer» B. By Packer | |
| 143. |
Which of the following is a source of contamination to clean workover fluid system? |
| A. | Packer |
| B. | Atmosphere |
| C. | Oil and Gas |
| D. | Dirty mixing and storage tanks |
| Answer» E. | |
| 144. |
Water-based mud is better packer fluids than Oil based and invert emulsion mud for the standpoint of corrosion and settling of solids. |
| A. | True |
| B. | False |
| Answer» C. | |
| 145. |
Which of the following workover fluid is less damaging for clay problems? |
| A. | Conventional Water Based Mud |
| B. | Formation water |
| C. | Oil Based Mud |
| D. | Sea Water |
| Answer» D. Sea Water | |
| 146. |
What is the approximate density of the polymer polytetrafluoroethylene? |
| A. | 1.8 g/cm3 |
| B. | 2.2 g/cm3 |
| C. | 0.6 g/cm3 |
| D. | 1.5 g/cm3 |
| Answer» C. 0.6 g/cm3 | |
| 147. |
A polymer ‘A’ is formed by the polymerization of monomer B. Monomer B is formed by the pyrolysis of monochlorodifluoromethane in contact with platinum at 700 ᵒC. Monomer is a highly crystalline polymer with excellent insulation properties. What is the name of monomer B? |
| A. | tetrafluoroethylene |
| B. | vinylidene chloride |
| C. | vinylidene fluoride |
| D. | vinyl fluoride |
| Answer» B. vinylidene chloride | |
| 148. |
Polymer A, also available as copolymer with trifluoroethylene, is a crystalline polymer with a melting point greater than 160 ᵒC and is used in coatings and insulation materials. What is the name of polymer A? |
| A. | polyvinyl fluoride |
| B. | polytetrafluoroethylene |
| C. | polyvinylidene fluoride |
| D. | polyvinyl chloride |
| Answer» D. polyvinyl chloride | |
| 149. |
What is the melting point of polymer formed by polymerization of tetrafluoroethylene? |
| A. | 100 ᵒC |
| B. | 156 ᵒC |
| C. | 327 ᵒC |
| D. | 533 ᵒC |
| Answer» D. 533 ᵒC | |
| 150. |
Buna-S, Neoprene and Butyl are different trade names of _________ |
| A. | Natural rubber |
| B. | Synthetic rubber |
| C. | Lubricants |
| D. | Animal oils |
| Answer» C. Lubricants | |