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.

1.

Noise in an electric motor may be due to

A. magnetic effects
B. cooling air
C. all of the above.
D. bearings
Answer» D. bearings
2.

325325 is a six digit number.It is divisible by

A. 11 only
B. 7 only
C. all 7,11,and 13
D. 13 only
Answer» D. 13 only
3.

Hersperidinase is used for

A. juice debittering
B. juice clarification
C. RNA reduction in fish
D. off flavour reduction
Answer» C. RNA reduction in fish
4.

3251 587 369 - ? = 3007

A. 1300
B. 1250
C. 1200
D. 1375
Answer» D. 1375
5.

The market value of a 10.5% stock, in which an income of Rs. 756 is derived by investing Rs. 9000, brokerage being 1/4%, is:

A. Rs. 112.20
B. Rs. 108.25
C. Rs. 125.25
D. Rs. 124.75
Answer» E.
6.

Two trains are running at 40 km/hr and 20 km/hr respectively in the same direction. Fast train completely passes a man sitting in the slower train in 5 seconds. What is the length of the fast train?9

A. 23 2 m
B. 23 m
C. 29 m
D. 27 7 m 9
Answer» E.
7.

Isozymes or iso enzymes are those enzyme which

A. have different structural forms but identical catalytic properties
B. have same structural forms
C. none of these
D. catalyses oxidation reactions
Answer» B. have same structural forms
8.

What are the macronutrients used in plant cell culture medium?

A. N, P, K, Ca, Cl
B. N, P, K, S, Na
C. N, P, Ca, Na, Cl
D. N, P, K, S, Ca
Answer» E.
9.

Which of the following statement(s) regarding enzymes, is/are false?

A. Enzymes provide activation energy for reactions
B. Enzymes are always proteins that function as catalysts
C. Enzymes may be used many times for a specific reaction
D. Enzyme activity can be regulated
Answer» B. Enzymes are always proteins that function as catalysts
10.

Quasi steady state is also known as

A. Briggs-Haldane approach
B. Michaelis Menten approach
C. all of the above
D. Pseudo steady state
Answer» E.
11.

Which of the following is known to control Colorado potato beetle?

A. Metarhizium anisopliae
B. Beaveria bassiana
C. Nomuraea rileyi
D. Verticillium lecauii
Answer» C. Nomuraea rileyi
12.

Which of the following is not a source of energy in active muscle cells?

A. ATP
B. Creatine phosphate
C. Glucose
D. Lactic acid
Answer» E.
13.

The active site of an enzyme remains

A. rigid and does not change shape
B. at the center of globular proteins
C. none of the above
D. complementary to the rest of the molecule
Answer» B. at the center of globular proteins
14.

If a reaction occurs in the absence of inhibitor with rate ν0 and in the presence of inhibitor with rate νi, the degree of inhibition is defined as

A. (ν0 νi)/ν0
B. (ν0 - νi)/ν0
C. (ν0-νi)/νi
D. (ν0νi)/ν0
Answer» C. (ν0-νi)/νi
15.

Trichoderma β-glucanase is reported

A. to convert taste fractions of dextrins to fermentable sugars in beer
B. to stabilize mashing
C. all of the above
D. to convert starch to dextrin
Answer» C. all of the above
16.

The ratio of the factorial of three times a number to the product of factorial of that number and factorial of twice the number is 15. What is the number? ( ADP COMPANY)

A. 4
B. 6
C. 2
D. 3
Answer» D. 3
17.

Pollination is the process by which plants transfer male sex cells from one plant to another. How does the nucleus of the male cell reach the female cell?

A. The pollen grain grows a pollen tube and the nucleus travels down the pollen tube to reach the egg cell
B. It travels on the legs of bees and sticks to the egg cell
C. None of the above
D. It blows in the wind
Answer» B. It travels on the legs of bees and sticks to the egg cell
18.

The slope of Lineweaver Burk plot for Michaelis Menten equation is

A. Km/Vmax
B. Vmax/Km
C. Km.Vmax
D. Km.Vmax
Answer» B. Vmax/Km
19.

In what ratio should one variety of oil at rs. 9.5 per liter be mixed with another variety at Rs. 10 per liter to gat a mixture worth Rs. 9.6 per liter?

A. 0.419444444444444
B. 0.0444444444444444
C. 2:1
D. 0.167361111111111
Answer» C. 2:1
20.

Lysozyme

A. catalyses hydrolysis of α-1-4 linkages between N-acetyl muranic acid and N-acetyl glucosamine in peptideoglycan
B. catalyses hydrolysis of β-1-4 linkages between N-acetyl muranic acid and N-acetyl glucosamine in peptideoglycan
C. all of the above
D. catalyses hydrolysis of α-1-4 linkages between N-diacetyl muranic acid and N-diacetyl glucosamine in peptideoglycan
Answer» C. all of the above
21.

The usual method(s) to solve rate equation of simple enzyme kinetics is/are

A. Briggs-Haldane approach
B. Michaelis Menten approach
C. all of these
D. Numerical solution approach
Answer» D. Numerical solution approach
22.

The sum of first 45 natural numbers is

A. 1280
B. 1035
C. 2140
D. 2070
Answer» C. 2140
23.

Fresh grape contains 80% water by weight whereas dry grape contains 10% water by weight. 9 kg of dry grapes will be equivalent to how many kilograms of fresh grapes if one is interested in actual quantity of grapes (that is, non-water portion)?

A. 81 kg
B. 2 kg
C. 40.50 kg
D. 20.50 kg
Answer» D. 20.50 kg
24.

The stage wise operation of adsorption is called

A. conventional adsorption
B. contact filtration
C. ion exchange
D. affinity adsorption
Answer» C. ion exchange
25.

P can complete a work in 12 days working 8 hours a day,Q can complete the same work in 8 days working 10 hours a day. If both P and Q work together, working 8 hours a day, in how many days can they complete the work?

A. 5x6/11
B. 5x5/11
C. 6x6/11
D. 6x5/11
Answer» C. 6x6/11
26.

A plasmid can be considered as a suitable cloning vector if

A. it possesses a single restriction site for one or more restriction enzymes
B. it can be readily isolated from the cells
C. All of the above
D. insertion of foreign DNA does not alter its replication properties
Answer» D. insertion of foreign DNA does not alter its replication properties
27.

Jennifer ran from her house to school at an average speed of 6 miles per hour and returned along the same route at an average speed of 4 miles per hour. If the total time it took her to return to the school and back was one hour, how many minutes did

A. 18
B. 16
C. 24
D. 20
Answer» D. 20
28.

Which of the following is not a part of a human chromosome in any phase?

A. Histone
B. Centriole
C. Centromere
D. Nucleosome
Answer» C. Centromere
29.

In antibiotic manufacturing processes, the fermentation time ranges from

A. 1-2 weeks
B. 2-3 weeks
C. 2-4 weeks
D. 4-5 weeks
Answer» E.
30.

The inactive protein from of enzyme is

A. enzyme
B. apoenzyme
C. cofactor
D. haloenzyme
Answer» C. cofactor
31.

Surface renewal theory predicts that the mass transfer coefficient is

A. inversely proportional to the square root of the molecular diffusivity
B. directly proportional to the square root of the molecular diffusivity
C. indirectly proportional to the cube root of the molecular diffusivity
D. directly proportional to the cube root of the molecular diffusivity
Answer» C. indirectly proportional to the cube root of the molecular diffusivity
32.

Rs. 9800 are invested partly in 9% stock at 75 and 10% stock at 80 to have equal amount of incomes. The investment in 9% stock is:

A. Rs. 5000
B. Rs. 4800
C. Rs. 5600
D. Rs. 5400
Answer» B. Rs. 4800
33.

Which of the following herbicide is known to be effective against perennial shrubs, annual weeds and weeds of rice?

A. Anisomycin
B. Cycloheximide
C. Bialaphos
D. Herbicidin
Answer» C. Bialaphos
34.

Which of the following is not an auxin?

A. Naphthalenacetic acid (NAA)
B. Indole acetic acid (IAA)
C. Indole butyric acid
D. zeatin
Answer» E.
35.

A circuit has a resistance of 11 W, a coil of inductive reactance 120 W, and a capacitor with a 120-W reactance, all connected in series with a 110-V, 60-Hz power source. What is the potential difference across each circuit element?

A. ( VR = 120 V, ( VL = VC = 2.4 kV
B. ( VR = 110 V, ( VL = VC = 1.2 kV
C. ( VR = 5.0 V, ( VL = VC = 8.0 V
D. ( VR = 4.8 V, ( VL = VC = 0 kV
Answer» C. ( VR = 5.0 V, ( VL = VC = 8.0 V
36.

Cells which no longer divide (such as certain specialized cells found in the human brain) remain in which phase of the cell cycle?

A. S phase
B. Prophase
C. Gl Phase
D. G0 Phase
Answer» E.
37.

α-amylase is an endo enzyme which requires

A. Cu
B. Ca
C. None of these
D. Mn
Answer» C. None of these
38.

Organic molecules that increase the rate of metabolic reactions with themselves changing are known as

A. enzymes
B. coenzymes
C. reactants
D. substrates
Answer» B. coenzymes
39.

If a winemaker wanted to make a deeply colored red wine, which of the following should not be done?

A. Ferment at a high temperature
B. Bleed off juice prior to fermenting on skins
C. Punch down at least once a day
D. Use whole clusters
Answer» E.
40.

Opines are

A. amino acid derivatives found in normal tissues
B. amino acid derivatives found in tumor tissues
C. none of the above
D. amino acid derivatives found in both normal as well as tumor tissues
Answer» C. none of the above
41.

Citrus juice debittering can be carried out using

A. inulinase
B. limoninase
C. None of these
D. anthocyanase
Answer» C. None of these
42.

Find the missing number in the series: 9, 21, 48, 105, 222, ?

A. 455
B. 443
C. 459
D. 457
Answer» D. 457
43.

Grist is

A. an aqueous extract of malt
B. coarse powder obtained after milling of malted barley
C. coagulated protein obtained during boiling
D. malted barley
Answer» C. coagulated protein obtained during boiling
44.

From 8 teachers and 10 students a committee of 6 is to be formed. How many will have at least 4 teachers in that committee? ( ADP COMPANY)

A. 3710
B. 3638
C. 3738
D. 3234
Answer» D. 3234
45.

The proteins that forms the walls of the microtubules are

A. tubulin
B. actin
C. hydroxyproline
D. pectin
Answer» B. actin
46.

When an enzyme is functioning at Vmax, the rate of the reaction is limited by

A. the number of substrate molecules in the reaction
B. the number of collisions between enzyme and substrate
C. the rate at which the enzyme can convert substrate to product
D. the concentration of the substrate
Answer» D. the concentration of the substrate
47.

A train overtakes two persons who are walking in the same direction in which the train is going, at the rate of 2 kmph and 4 kmph and passes them completely in 9 and 10 seconds respectively. The length of the train is:

A. 50 m
B. 45 m
C. 72 m
D. 54 m
Answer» B. 45 m
48.

The sum of all two digit numbers divisible by 5 is:

A. 1245
B. 1035
C. 945
D. 1230
Answer» D. 1230
49.

Which one of the following is true about Yeast Episomal plasmids (YEp) vectors?

A. Has a origin of replication and rep genes
B. Allows transformation by using crossing over
C. Carries centromere and telomere sequences
D. Carries autonomously replicating sequence
Answer» B. Allows transformation by using crossing over
50.

What is the probability of throwing two dice in one toss so that they total 11?

A. (1/11)
B. (1/6)
C. (1/20)
D. (1/18)
Answer» E.