MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In a four stroke engine, the working cycle is completed in __________ |
| A. | one revolution of the crankshaft |
| B. | two revolution of the crankshaft |
| C. | three revolution of the crankshaft |
| D. | four revolution of the crankshaft |
| Answer» C. three revolution of the crankshaft | |
| 2. |
How is the temperature of slug maintained in the reactor? |
| A. | Water |
| B. | Sulphuric acid |
| C. | Steam |
| D. | Ice vapour |
| Answer» B. Sulphuric acid | |
| 3. |
At what temperature of the feed slug is maintained(degree Celsius) ? |
| A. | 500 to 600 |
| B. | 880 to 930 |
| C. | 750 to 780 |
| D. | 1050 to 1150 |
| Answer» C. 750 to 780 | |
| 4. |
For exothermic oxidation, which technology helps in better heat distribution in the reactor? |
| A. | Fluidized bed |
| B. | Spouted bed |
| C. | Using air blowers in reactors |
| D. | None of the mentioned |
| Answer» B. Spouted bed | |
| 5. |
The mechanism of action of cyanide, a mitochondrial toxin, is by inhibiting ____________ |
| A. | ATP synthase |
| B. | Succinate dehydrogenase |
| C. | Cytochrome c oxidase |
| D. | NADH dehydrogenase |
| Answer» D. NADH dehydrogenase | |
| 6. |
Mitochondrial DNA is one of the best marker tools for population biologists and evolutionary biologists because _____________ |
| A. | Absence of genetic recombination in mt-DNA |
| B. | Mitochondrial genes are specific to mt-DNA |
| C. | It can be easily isolated |
| D. | It undergoes spontaneous mutation |
| Answer» B. Mitochondrial genes are specific to mt-DNA | |
| 7. |
What is the size of plant mitochondrial DNA? |
| A. | 16kb |
| B. | 200-2500kb |
| C. | 100- 2550kb |
| D. | 100-2500kb |
| Answer» C. 100- 2550kb | |
| 8. |
What is the size of human mitochondrial DNA? |
| A. | 16kb |
| B. | 200kb |
| C. | 2500kb |
| D. | 100kb |
| Answer» B. 200kb | |
| 9. |
Oxysomes or F0 – F1 particles occur on _____________ |
| A. | Inner mitochondrial membrane |
| B. | Chloroplast surface |
| C. | Mitochondrial surface |
| D. | Thylakoids |
| Answer» B. Chloroplast surface | |
| 10. |
What is Mitochondrial DNA? |
| A. | Simple, single stranded linear DNA molecule |
| B. | Simple, single stranded circular DNA molecule |
| C. | Simple, double stranded linear DNA molecule |
| D. | Simple, double stranded circular DNA molecule |
| Answer» E. | |
| 11. |
How many human mitochondrial proteins are encoded in the mitochondrial genome and synthesized within mitochondria? |
| A. | 11 |
| B. | 12 |
| C. | 13 |
| D. | 14 |
| Answer» D. 14 | |
| 12. |
Schick Test is used for detection of which of the following disease? |
| A. | Diphtheria |
| B. | Tuberculosis |
| C. | Erythrasma |
| D. | Botulism |
| Answer» B. Tuberculosis | |
| 13. |
Erythrasma is caused by which of the following microorganism? |
| A. | Corynebacterium diphtheriae |
| B. | Corynebacterium ulcerans |
| C. | Corynebacterium minutissimum |
| D. | Listeria monocytogenes |
| Answer» D. Listeria monocytogenes | |
| 14. |
Which of the following inactivates IgA antibodies? |
| A. | Cord factor |
| B. | Diphthin |
| C. | Neuroaminidase |
| D. | K antigens |
| Answer» C. Neuroaminidase | |
| 15. |
Toxin A involved in pseudomembranous colitis is a type of _______________ |
| A. | endotoxin |
| B. | enterotoxin |
| C. | cytotoxin |
| D. | neurotoxin |
| Answer» C. cytotoxin | |
| 16. |
Patients with botulism are treated with monovalent antitoxin. |
| A. | True |
| B. | False |
| Answer» C. | |
| 17. |
Which of the following temperature is suitable for the multiplication of clostridia spores? |
| A. | 109 to116 degree F |
| B. | 100 degree F |
| C. | -2 to 16 degree F |
| D. | 30-40 degree F |
| Answer» B. 100 degree F | |
| 18. |
Which of the following organisms produces neurotoxin as a virulence factor? |
| A. | Bacillus anthracis |
| B. | Clostridium tetani |
| C. | Streptococcus pneumoniae |
| D. | Staphylococcus aureus |
| Answer» C. Streptococcus pneumoniae | |
| 19. |
An increment of the current density can lead to blue shifts in the PL peak of mpSi. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 20. |
PL properties of mpSi and μpSi structures depend on _____ |
| A. | temperature |
| B. | etching conditions |
| C. | light intensity |
| D. | refractive index |
| Answer» C. light intensity | |
| 21. |
The discovery of bright red-orange photoluminescence was the origin for the use of mpSi materials for optoelectronic devices. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 22. |
Which of the following is one of the important optical property of mpSi and μpSi structure? |
| A. | Photo-conductivity |
| B. | Stimulated emission |
| C. | Photo-luminescence |
| D. | Photo-emissivity |
| Answer» D. Photo-emissivity | |
| 23. |
The effective refractive index of mpSi and μpSi are modulated to produce rugate filters. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 24. |
Microcavities based on mpSi and μpSi can be used to develop optical pass-band filters. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 25. |
DBR structures based on_____ can be implemented into Fabry–Pérot filters. |
| A. | mpSi |
| B. | pSi |
| C. | SiO2 |
| D. | graphite |
| Answer» B. pSi | |
| 26. |
The structure of the mpSi- or μpSi-based DBR affects their refractive indices. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 27. |
mpSi and μpSi structures are used to develop distributed Bragg reflectors. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 28. |
Transcyte® is a non-living wound dressing produced by Advanced Tissue Sciences, Inc. |
| A. | TRUE |
| B. | FALSE |
| Answer» B. FALSE | |
| 29. |
The epidermis is usually separated from a ____________ |
| A. | skin biopsy |
| B. | grafting |
| C. | replacement |
| D. | regeneration |
| Answer» B. grafting | |
| 30. |
The epidermis is considered the outermost component of the skin and primarily comprised of ___________ a specific type of epithelial cells. |
| A. | keratinocytes |
| B. | collagen |
| C. | stem cells |
| D. | chondrocytes |
| Answer» B. collagen | |
| 31. |
The technology for epidermal replacement (a confluent epithelial cell layer attached to a petroleum gauze carrier) was developed in the _______________ |
| A. | 1970s |
| B. | 1990s |
| C. | 2000s |
| D. | 2010s |
| Answer» B. 1990s | |
| 32. |
The equation for vertical deflection can also be written as \(Δ=\frac{pa}{E} F\). What is the term F referred to as? |
| A. | Deflection factor |
| B. | Displacement factor |
| C. | Deflection constant |
| D. | Displacement constant |
| Answer» C. Deflection constant | |
| 33. |
The Boussinesq’s equation can be applied when the one-layer system is assumed as a half-space. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 34. |
Find the vertical stress at a depth of 40 cm from the surface if the radius of the circular load is 17 cm and the contact pressure is 6.5 kg/cm2. |
| A. | 0.43 kg/cm2 |
| B. | 1.43 kg/cm2 |
| C. | 0.45 kg/cm2 |
| D. | 1.45 kg/cm2 |
| Answer» C. 0.45 kg/cm2 | |
| 35. |
The deflection in the pavement surface is considered to be equal to deflection on top of the subgrade. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 36. |
What is the right equation to find the vertical deflection in the pavement? |
| A. | \(Δ=\frac{3p}{2E(a^2+z^2 )^{1∕2}}\) |
| B. | \(Δ=\frac{3pa^2}{2E(a^2+z^2 )^{1∕2}}\) |
| C. | \(Δ=\frac{3pa^2}{2E(a^2+z^2 )^{3∕2}}\) |
| D. | \(Δ=\frac{3pa^2}{E(a^2+z^2 )^{1∕2}}\) |
| Answer» C. \(Δ=\frac{3pa^2}{2E(a^2+z^2 )^{3∕2}}\) | |
| 37. |
The design charts for computing vertical, tangential and radial stresses were first developed for a Poisson’s ratio of ______ |
| A. | 0.3 |
| B. | 0.4 |
| C. | 0.2 |
| D. | 0.5 |
| Answer» E. | |
| 38. |
A flexible pavement of thickness 50 cm is laid over a subgrade. A circular load of radius 15 cm with a uniform contact pressure of 7 kg/cm2 is applied on the pavement. What would be the vertical stress on top of the subgrade? |
| A. | 0.85 kg/cm2 |
| B. | 1.58 kg/cm2 |
| C. | 0.58 kg/cm2 |
| D. | 1.85 kg/cm2 |
| Answer» B. 1.58 kg/cm2 | |
| 39. |
The vertical ______ on top of the subgrade controls the subgrade rutting. |
| A. | Tensile stress |
| B. | Tensile strain |
| C. | Compressive stress |
| D. | Compressive strain |
| Answer» E. | |
| 40. |
When does shear stress occur in the pavement? |
| A. | Friction between pavement and tyre |
| B. | Seepage into subgrade |
| C. | Loading exceeds capacity |
| D. | Weathering of the pavement surface |
| Answer» D. Weathering of the pavement surface | |
| 41. |
Which of the below is not a type of stress that is commonly found in flexible pavements? |
| A. | Normal stress |
| B. | Shear stress |
| C. | Vertical stress |
| D. | Radial stress |
| Answer» B. Shear stress | |
| 42. |
The HCF of two prime numbers a and b is _________ |
| A. | a⁄b |
| B. | ab |
| C. | a + b |
| D. | 1 |
| Answer» E. | |
| 43. |
HCF(a, b) is equals to _________ |
| A. | ab/(LCM(a, b))b) (a + b)/(LCM(a, b))c) (LCM(a, |
| B. | is equals to _________a) ab/(LCM(a, b))b) (a + b)/(LCM(a, b)) |
| C. | (LCM(a, b))/ab |
| D. | None of the mentioned |
| Answer» B. is equals to _________a) ab/(LCM(a, b))b) (a + b)/(LCM(a, b)) | |
| 44. |
State whether the given statement is True or False. |
| A. | True |
| B. | FalseView Answer |
| Answer» B. FalseView Answer | |
| 45. |
If a number is 22 x 31 x 50 and b is 22 x 31 x 51 then hcf of a, b is? |
| A. | 22 x 31 x 51 |
| B. | 22 x 32 x 52 |
| C. | 21 x 31 x 50 |
| D. | 22 x 32 x 50 |
| Answer» D. 22 x 32 x 50 | |
| 46. |
If LCM of two number is 10 and GCD is 5 then the product of two numbers is? |
| A. | 45 |
| B. | 50 |
| C. | 7 |
| D. | 49 |
| Answer» C. 7 | |
| 47. |
The product of two numbers are 12 and there LCM is 6 then HCF is? |
| A. | 12 |
| B. | 2 |
| C. | 6 |
| D. | None of the mentioned |
| Answer» C. 6 | |
| 48. |
HCF of 6, 10 is? |
| A. | 60 |
| B. | 30 |
| C. | 10 |
| D. | 2 |
| Answer» E. | |
| 49. |
If a,b are integers such that a > b then hcf(a, b) lies in _________ |
| A. | a> hcf(a, b)>bb) a>b> = hcf(a, b)c) hcf(a, |
| B. | lies in _________a) a> hcf(a, b)>bb) a>b> = hcf(a, b) |
| C. | hcf(a, b)> = a>b |
| D. | None of the mentioned |
| Answer» C. hcf(a, b)> = a>b | |
| 50. |
The HCF of two number 1, b(integer) are _________ |
| A. | b + 2 |
| B. | 1 |
| C. | b |
| D. | None of the mentioned |
| Answer» C. b | |