Explore topic-wise MCQs in Automata Theory.

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.

201.

Two trains are running in opposite directions with the same speed. If the length of each train is 120 metres and they cross each other in 12 seconds, then the speed of each train (in km/hr) is:

A. 18
B. 10
C. 72
D. 36
Answer» E.
202.

How many squares of the natural numbers, beginning from 1, need to be added to give a total of 9455?(CTS COMPANY)

A. 29
B. 20
C. 30
D. 25
Answer» D. 25
203.

Which graphical method is used to determine an enzyme degree of cooperativity?

A. Koshland curve
B. Hill plot
C. Can not be determined
D. Michaelis-Menten hyperbola
Answer» E.
204.

Which of the enzyme combination is commercially used for the removal of oxygen?

A. Glucose oxidase-catalase
B. Glucose oxidase-cellulase
C. All of these
D. Glucose oxidase-lactase
Answer» B. Glucose oxidase-cellulase
205.

Lysozyme is naturally present in

A. bacteria
B. egg white
C. all of these
D. tears & milk
Answer» D. tears & milk
206.

Salaries of Ravi and Sumit are in the ratio 2 : 3. If the salary of each is increased by Rs. 4000, the new ratio becomes 40 : 57. What is Sumit\'s salary?

A. Rs. 20,000
B. Rs. 17,000
C. Rs. 38,000
D. Rs. 25,500
Answer» D. Rs. 25,500
207.

The active site of an enzyme differs from an antibody-antigen binding site in that the enzyme active site

A. catalyzes a chemical reaction
B. contains modified amino acids
C. contains amino acids without side chains
D. is complementary to a specific ligand
Answer» B. contains modified amino acids
208.

In the bundle sheath of C4 plant __________ is/ are less than mesophyll.

A. PSII
B. PSI
C. PSI and PSII
D. PSI or PSII
Answer» B. PSI
209.

The Chairman treated the employees to a -------------lunch at an expensive hotel.

A. sumptuous
B. precious
C. stupendous
D. thriving
Answer» B. precious
210.

The ----------------that an electoral victory, however impressive, is a -------------- for almost anything is absurd.

A. subject, right
B. idea, gain
C. notion, justification
D. argument, reward
Answer» D. argument, reward
211.

Liquefaction of starch to dextrin is carried out by

A. cellulase
B. α-amylase
C. all of these
D. pectinase
Answer» C. all of these
212.

How does CO2 help in the cell metabolism during cell culture?

A. Helps in the cells respiration
B. It participates in the de novo synthesis of purines and pyrimidines
C. All of the above
D. For monitoring pH of the culture
Answer» C. All of the above
213.

A deficiency of the enzyme Hypoxanthine Guanine phosphoribosyl transferase (HGPRT) may cause

A. Ehlers-Danlos syndrome
B. Gaucher's disease
C. Kleinefelter's syndrome
D. Lesch- Nyhan syndrome
Answer» B. Gaucher's disease
214.

Which of the following enzyme is responsible for causing vitamin B deficiency disease beriberi?

A. Thiaminase
B. Ascorbic acid oxidase
C. None of these
D. Lipoxygenase
Answer» B. Ascorbic acid oxidase
215.

Which of the following common drugs is not a specific enzyme inhibitor?

A. Methotrexate
B. Iodine
C. Penicillin
D. Sulfbnilamide
Answer» C. Penicillin
216.

Two pipes A and B can fill a cistern in 37 1/2 minutes and 45 minutes respectively. Both pipes are opened. The cistern will be filled in just half an hour, if the B is turned off after:

A. 9 min.
B. 5 min.
C. 15 min.
D. 10 min.
Answer» B. 5 min.
217.

At low glucose concentration, below 0.25 mmol/litre, large portions of glucose and glutamine is shunted via

A. anaerobic pathway
B. oxidative pathway
C. none of these
D. both ( and (
Answer» C. none of these
218.

Which is true about rennet?

A. It is a mixture of rennin and pepsin
B. It is a mixture of protease chymosin and pepsin
C. none of the above
D. Both ( and (
Answer» E.
219.

When forty percent of a number is added to another number, the second number increases to its 20 percent. What is the ratio between the first number and the second number?

A. 0.0840277777777778
B. 0.0430555555555556
C. 0.125694444444444
D. 0.04375
Answer» C. 0.125694444444444
220.

In plant cell culture media, auxins and cytokinins are used in the range of

A. 50-100μM
B. l-50μM
C. more than 125μM
D. 100-125μM
Answer» C. more than 125μM
221.

The direction of rotation of universal motor can be reversed by

A. switching over from ac to dc
B. reversing the supply terminals
C. any of the above.
D. interchanging the brush leads
Answer» E.
222.

Which category of enzymes belongs to class two in the international classification?

A. Ligases
B. Hydrolases
C. Isomerase
D. Transferases
Answer» E.
223.

A molecular technique in which DNA sequences between two oligonucleotide primers can be amplified is known as

A. northern blotting
B. southern blotting
C. DNA replication
D. polymerase chain reaction
Answer» E.
224.

The bubble column fermenter is usually limited to

A. anaerobic fermentations
B. aerobic fermentations
C. facultative fermentation
D. Both ( and (
Answer» C. facultative fermentation
225.

The wheat sold by a grocer contained 10% low-quality wheat. What quantity of good-quality wheat should be added to 150 kg of wheat so that the percentage of low quality wheat becomes 5%?(CTS COMPANY)

A. 135 kg
B. 150 kg
C. 85 kg
D. 50 kg
Answer» C. 85 kg
226.

The base of triangle T is 40% less than the length of rectangle R. The height of triangle T is 50% greater than the width of rectangle R. The area of triangle T is what percent of the area of rectangle R?

A. 90
B. 45
C. 125
D. 110
Answer» C. 125
227.

Fermentor should be filled with medium upto

A. 70-75%
B. 65-70%
C. 80-85%
D. 75-80%
Answer» E.
228.

Seats for Maths, Physics and Biology are in the ratio of 5 : 7 : 8 respectively. There is a proposal to increase these seats by 40%, 50% and 75% respectively. What will be the respective ratio of increased seats?

A. 0.254953703703704
B. 0.085462962962963
C. 0.0430902777777778
D. 0.380625
Answer» C. 0.0430902777777778
229.

What is the area of a rhombus with a perimeter of 40 and a diagonal of 10?

A. 100
B. 50√3
C. 200
D. 100√5
Answer» C. 200
230.

Which of the following bacteria genus is capable of oxidizing ammonia (NH4)?

A. Nitrobacter
B. Nitrospina
C. Nitrosobacter
D. Nitrosococcus
Answer» E.
231.

The phenomenon in which substrates are used in a sequential manner is known as

A. dialism
B. trans-substrate genesis
C. multiplicity
D. diauxie
Answer» E.
232.

How many seconds will a 500 metre long train take to cross a man walking with a speed of 3 km/hr in the direction of the moving train if the speed of the train is 63 km/hr?25

A. 40
B. 30
C. 50
D. 45
Answer» C. 50
233.

pH of the fermentation medium for chlorotetracyclins is

A. 06-07-2015
B. 5-6
C. 08-09-2015
D. 07-08-2015
Answer» C. 08-09-2015
234.

A man buys a watch for Rs. 1950 in cash and sells it for Rs. 2200 at a credit of 1 year. If the rate of interest is 10% per annum, the man:

A. gains Rs. 50
B. gains Rs. 55
C. gains Rs. 30
D. loses Rs. 30
Answer» B. gains Rs. 55
235.

Which phase of mitosis is associated with separation of chromatids?

A. Metaphase
B. Prophase
C. Telophase
D. Anaphase
Answer» E.
236.

2056 x 987 = ?

A. 2029272
B. 1936372
C. 1926172
D. 1896172
Answer» B. 1936372
237.

The ratio of the amount of a protein present in a sample, which is used as a measure of purification, is known as

A. relative activity
B. specific activity
C. all of these
D. purity ratio
Answer» C. all of these
238.

The active form of enzyme is

A. coenzyme
B. apoenzyme
C. none of these
D. holoenzyme
Answer» C. none of these
239.

His actions had ----------pain and suffering on thousand of people.

A. eliminated
B. deplored
C. inflicted
D. affected
Answer» D. affected
240.

A 3-digit number 4a3 is added to another 3-digit number 984 to give a 4-digit number 13b7, which is divisible by 11. Then, (a b) = ?

A. 11
B. 10
C. 15
D. 12
Answer» C. 15
241.

The advantage of axial flow impellers over radial flow impellers is that axial flow impellers

A. provide high shear conditions
B. provide better lift of solids
C. are cheaper to build
D. provide low shear conditions
Answer» C. are cheaper to build
242.

The difference between the place values of two sevens in the numeral 69758472 is

A. 6993
B. 0
C. None of these
D. 699930
Answer» E.
243.

Democracy ----------some values which are fundamental to the realization of the dignity of man.

A. nourishes
B. cherishes
C. nurtures
D. espouses
Answer» C. nurtures
244.

The average of 10 numbers is 28. It is later found that two numbers have been wrongly added. The first number added is 12 more than the actual number and the second number added is 23 instead of 32. What is the new average? (CTS COMPANY)

A. 28.3
B. 27.7
C. 28.5
D. 28
Answer» C. 28.5
245.

Which of the following gene detoxifies herbicide phosphinothricin?

A. Glutathione S-transferase (GST)
B. Nitrilase
C. All of these
D. Phosphinothricin acetyl transferase
Answer» E.
246.

The side of a square is decreased by 10%. What is the percent of change in area?

A. 100% decrease
B. 20% decrease
C. 21% decrease
D. 19% decrease
Answer» E.
247.

A and B together can complete a work in 12 days. A alone can complete it in 20 days. If B does the work only for half a day daily, then in how many days A and B together will complete the work?

A. 11 days
B. 10 days
C. 20 days
D. 15 days
Answer» E.
248.

The oxygen absorption rate can be determined by

A. dynamic gassing out technique
B. sodium sulfite oxidation method
C. all of these
D. direct measurement
Answer» D. direct measurement
249.

The rate of interest on a sum of money is 6% per annum for the first 3 years, 5% per annum for the next 4 years and 8% per annum for the period beyond 7 years. If the simple interest accrued on the sum for a total period of 11 years is Rs56000, what

A. Rs75000
B. Rs80000
C. Rs90000
D. Rs60000
Answer» C. Rs90000
250.

The cell cycle is controlled in most cells by

A. a series of checkpoints
B. time (after a certain length of time the cell divides)
C. different cells exhibit different control strategies
D. cell size (when the cell reaches a certain size, it divides)
Answer» D. cell size (when the cell reaches a certain size, it divides)