MCQOPTIONS
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MCQOPTIONS
This section includes 524 Mcqs, each offering curated multiple-choice questions to sharpen your Automata Theory knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
Inundation involves use of a/an |
| A. | organism over a short time to suppress/destroy a population |
| B. | large number of organisms over a short time to suppress/destroy a population |
| C. | organism over a long time to suppress/destroy a population |
| D. | large number of organisms over a long time to suppress/destroy a population |
| Answer» C. organism over a long time to suppress/destroy a population | |
| 52. |
Biomass concentrations during fermentation is |
| A. | monitored by controlling the changes in biomass concentrations |
| B. | diluting the samples to optical density less than 0.3 |
| C. | all of the above |
| D. | considering that optical density is proportional to the surface area of the biomass in the sample |
| Answer» D. considering that optical density is proportional to the surface area of the biomass in the sample | |
| 53. |
The crystal-like material sometimes found in wine bottles is |
| A. | tannin |
| B. | residual diatomaceous earth |
| C. | caused by excessive malic acid |
| D. | prevented by cold stabilizing |
| Answer» E. | |
| 54. |
Which of the following observations is not used as evidence to support the concept of endosymbiotic origin of chloroplasts and mitochondria? |
| A. | Both have their own ribosomes |
| B. | Both have their own DNA |
| C. | Both can live and function independently of the cell |
| D. | Both strongly resemble prokaryotes, especially in size |
| Answer» D. Both strongly resemble prokaryotes, especially in size | |
| 55. |
In how many different ways can the letters of the word \'LEADING\' be arranged in such a way that the vowels always come together? |
| A. | 480 |
| B. | 360 |
| C. | 5040 |
| D. | 720 |
| Answer» E. | |
| 56. |
Which category of enzymes belongs to class 5 in the international classification? |
| A. | Isomerases |
| B. | Hydrolases |
| C. | Cyclase |
| D. | Oxido-reductases |
| Answer» B. Hydrolases | |
| 57. |
Discoloration can be achieved by using |
| A. | proteases |
| B. | sulphloydryl oxidase |
| C. | all of these |
| D. | anthocyanase |
| Answer» E. | |
| 58. |
In competitive inhibition a factor is obtained from the measurement of |
| A. | KM |
| B. | Vmax |
| C. | None of these |
| D. | Y-intercept in Lineweaver-Burk Plot |
| Answer» B. Vmax | |
| 59. |
Grain-oriented laminated sheet steel in a transformer reduces |
| A. | Eddy current loss |
| B. | Copper loss |
| C. | None of above |
| D. | Hysteresis loss |
| Answer» E. | |
| 60. |
The ratio between the rates of traveling of A and B is 2 : 3 and therefore A takes 10 minutes more than the time taken by B to reach a destination. If A had walked at double the speed, he would have covered the distance in: |
| A. | 25 min |
| B. | 30 min |
| C. | 20 min |
| D. | 15 min |
| Answer» E. | |
| 61. |
The efficiency of cell disruption in a bead mill depends on the |
| A. | amount and size of beads |
| B. | concentration of the cells |
| C. | all of these |
| D. | type and rotational speed of agitation |
| Answer» D. type and rotational speed of agitation | |
| 62. |
What will be the output of the program If the integer is 4bytes long? |
| A. | 4000, 4002, 4004 |
| B. | 8, 8, 8 |
| C. | 4000, 4008, 4016 |
| D. | 4000, 4004, 4008 |
| Answer» C. 4000, 4008, 4016 | |
| 63. |
A sum of Rs86700 is to be divided among A, B and C in such a manner that for every rupee that A gets, B gets 90 paise and for every rupee that B gets, C gets 110 paise. B’s share is: |
| A. | Rs27000 |
| B. | Rs26400 |
| C. | Rs32800 |
| D. | Rs30000 |
| Answer» B. Rs26400 | |
| 64. |
The plot commonly used for determining the value of Vmax is |
| A. | Langmuir plot |
| B. | Lineweaver Burk plot |
| C. | all of these |
| D. | Eadie Hofstee plot |
| Answer» D. Eadie Hofstee plot | |
| 65. |
Predominantly uncompetitive inhibition may be called when |
| A. | competitive inhibition is smaller than uncompetitive inhibition |
| B. | competitive inhibition is greater than uncompetitive inhibition |
| C. | none of the above |
| D. | competitive inhibition is equal to uncompetitive inhibition |
| Answer» C. none of the above | |
| 66. |
Three times the first of three consecutive odd integers is 3 more than twice the third. The third integer is : |
| A. | 30 |
| B. | 15 |
| C. | 60 |
| D. | 45 |
| Answer» C. 60 | |
| 67. |
Which phase of mitosis is associated with chromosomes aligned at the center of the cell and centromeres divide? |
| A. | interphase |
| B. | anaphase |
| C. | prophase |
| D. | metaphase |
| Answer» E. | |
| 68. |
Two different numbers when divided by the same divisor left remainders of 11 and 21 respectively. And when their sum was divided by the same divisor, the remainder was 4. What was the divisor?( ADP COMPANY) |
| A. | 32 |
| B. | 36 |
| C. | 28 |
| D. | 14 |
| Answer» D. 14 | |
| 69. |
Neutralized activated charcoal is occasionally added to young regenerating cultures to |
| A. | help to remove plants growth regulators introduced at an earlier stage |
| B. | remove toxic phenolics produced by the stressed plant cell |
| C. | maintain the pH of the medium |
| D. | both ( and ( |
| Answer» E. | |
| 70. |
Which is/are the naturally occurring plant auxins? |
| A. | Naphthalenacetic acid (NAA) |
| B. | Indole acetic acid (IAA) |
| C. | All of the above |
| D. | 2,4-dichlorophenoxyacetic acid |
| Answer» B. Indole acetic acid (IAA) | |
| 71. |
The initial velocity, V0, of an enzyme catalyzed reaction reaches Vmax as |
| A. | [S] = 10 * KM |
| B. | [S] = KM |
| C. | 1/[S] → 0 |
| D. | 1/[S] = 1/KM |
| Answer» D. 1/[S] = 1/KM | |
| 72. |
Lock and key theory is based on the compatibility of |
| A. | enzyme and product |
| B. | enzyme and substrate |
| C. | enzyme substrate complex and product |
| D. | enzyme and enzyme substrate complex |
| Answer» C. enzyme substrate complex and product | |
| 73. |
The simple interest and the true discount on a certain sum for a given time and at a given rate are Rs. 85 and Rs. 80 respectively. The sum is: |
| A. | Rs. 1450 |
| B. | Rs. 1800 |
| C. | Rs. 6800 |
| D. | Rs. 1360 |
| Answer» E. | |
| 74. |
The average score in a test conducted in a class of 40 students was 60. If the lowest and highest scores deviate by less than 20% from the average scores, the scores of all the students will be between: |
| A. | 48 and 80 |
| B. | 40 and 80 |
| C. | 40 and 72 |
| D. | 48 and 72 |
| Answer» E. | |
| 75. |
The enzyme β-galactosidase is also known as |
| A. | EC3.2.1.23 |
| B. | lactase |
| C. | isomerase |
| D. | both ( and ( |
| Answer» E. | |
| 76. |
What is the value of x if the average of 93, 82, 79 and x is 87? |
| A. | 93 |
| B. | 90 |
| C. | 348 |
| D. | 94 |
| Answer» E. | |
| 77. |
The Woolf-Augusteinsson-Hofstee plot of ν versus ν/[S] and the Eadie-Scatchard plot of ν/[S] versus ν do not involve reciprocals of ν therefore are considered to be more reliable when the error in v is |
| A. | significant |
| B. | non-significant |
| C. | non significant in selected cases |
| D. | nothing to do with the reliability |
| Answer» D. nothing to do with the reliability | |
| 78. |
The conformational change in an enzyme after the substrate is bound that allows the chemical reaction to proceed, can be explained by |
| A. | transition |
| B. | induced fit |
| C. | Pasteur |
| D. | fit and fine |
| Answer» C. Pasteur | |
| 79. |
The composition of the inner mitochondrial membrane is most like that of |
| A. | the cell's plasma membrane |
| B. | the outer mitochondrial membrane |
| C. | the nuclear membrane |
| D. | some bacterial plasma membranes |
| Answer» E. | |
| 80. |
DNA replication is controlled at which of the following checkpoint? |
| A. | G2 |
| B. | G1 |
| C. | S |
| D. | M |
| Answer» C. S | |
| 81. |
Enzyme catalase has non-protein metal as |
| A. | manganese |
| B. | magnesium |
| C. | zinc |
| D. | iron |
| Answer» E. | |
| 82. |
Which motor will make least noise ? |
| A. | Universal motor |
| B. | Capacitor motor |
| C. | Hysteresis motor. |
| D. | Shaded pole motor |
| Answer» D. Shaded pole motor | |
| 83. |
What is the size (in kb) of the tobacco chloroplast genome? |
| A. | 155 kilobase |
| B. | 55 kilobase |
| C. | 375 kilobase |
| D. | 325 kilobase |
| Answer» B. 55 kilobase | |
| 84. |
The two chains of insulin can be separated by detaching it from β-galactosidase using |
| A. | cyanogen bromide |
| B. | hydrogen chloride |
| C. | protease |
| D. | peptidase |
| Answer» B. hydrogen chloride | |
| 85. |
Polyhedrin protein is |
| A. | major component of protein matrix in which viruses are embedded |
| B. | non essential for baculo virus replication |
| C. | essential for baculo virus replication |
| D. | both ( and ( |
| Answer» E. | |
| 86. |
In a Lineweaver-Burk Plot, competitive inhibitor shows which of the following effect? |
| A. | It moves the entire curve to left |
| B. | It moves the entire curve to right |
| C. | It has no effect on the slope |
| D. | It changes the x-intercept |
| Answer» E. | |
| 87. |
During the growth of animal cells in culture, it is noticed that the cells do not look very healthy. After an investigation, this is found that there is a lot of lactic acid in the culture fluid. What is probably wrong with this culture? |
| A. | The cells have too much oxygen |
| B. | Ethyl alcohol is being produced in excess |
| C. | The cells do not have enough oxygen |
| D. | Glycolysis is being inhibited |
| Answer» D. Glycolysis is being inhibited | |
| 88. |
Hairy wing character of Drosophila is due to |
| A. | deletion in region of chromosome |
| B. | duplication in region of chromosome |
| C. | due to a point mutation |
| D. | due to presence of additional X-chromosome |
| Answer» C. due to a point mutation | |
| 89. |
A common filter medium is the cloth filter generally made of |
| A. | synthetic fabrics |
| B. | canvas |
| C. | all of these |
| D. | metal or glass fiber |
| Answer» D. metal or glass fiber | |
| 90. |
Which of the following are produced in high copy number? |
| A. | YRp |
| B. | YEp |
| C. | YCp |
| D. | Both ( and ( |
| Answer» E. | |
| 91. |
When you want to make sure that all of the text stays to the right of a given point on the drawing, you wound set its: |
| A. | scale |
| B. | aspect |
| C. | font |
| D. | alignment |
| Answer» E. | |
| 92. |
Which of the following refers to pseudo steady state ? |
| A. | d(Cp)/dt = 0 |
| B. | d(CE)/dt = 0 |
| C. | d(Cs)/dt = d(CES)/dt |
| D. | d(CES)/dt = 0 |
| Answer» E. | |
| 93. |
A competitive inhibitor of an enzyme is usually |
| A. | a metal ion such as Hg2 or Pb2 |
| B. | a highly reactive compound |
| C. | water insoluble |
| D. | structurally similar to the substrate. |
| Answer» E. | |
| 94. |
At his first game a person loses ¼ of his money, at the second 1/5 of the remainder, at the third 4/5 of the rest; what fraction of his original money has he left? |
| A. | 01-04-2025 |
| B. | 01-02-2025 |
| C. | 01-06-2025 |
| D. | 01-03-2025 |
| Answer» E. | |
| 95. |
Most enzymes work by |
| A. | decreasing energy of activation |
| B. | increasing energy of activation |
| C. | none of the above |
| D. | not affecting energy of activation |
| Answer» B. increasing energy of activation | |
| 96. |
Very high sugar concentration (40-100 g/l) have been used |
| A. | to adjust the osmotic potential of the media in short term treatment for regeneration |
| B. | in specialized secondary metabolite production |
| C. | none of these |
| D. | Both ( and ( |
| Answer» E. | |
| 97. |
In genetic engineering, a chimera is |
| A. | a plasmid that contains foreign DNA |
| B. | an enzyme that links DNA molecules |
| C. | a fungi |
| D. | a virus that infects bacteria |
| Answer» B. an enzyme that links DNA molecules | |
| 98. |
A classical noncompetitive inhibitor has |
| A. | no effect on substrate binding and vice versa |
| B. | no effect on substrate binding |
| C. | significant effect on substrate binding and vice versa |
| D. | significant effect on substrate binding |
| Answer» B. no effect on substrate binding | |
| 99. |
18 men working 6 hours a day assemble 16 computers in 4 days. How many men will be required to assemble 48 computers in 6 days working 9 hours a day? |
| A. | 26 |
| B. | 24 |
| C. | 32 |
| D. | 28 |
| Answer» C. 32 | |
| 100. |
The yield of the antibiotic depends upon |
| A. | age of the inoculum |
| B. | pH of the medium |
| C. | all of these |
| D. | composition of the medium |
| Answer» D. composition of the medium | |