MCQOPTIONS
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MCQOPTIONS
This section includes 322 Mcqs, each offering curated multiple-choice questions to sharpen your Avionics knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
cosech-1x = |
| A. | ln(1/x +√(1+x2))/|x| |
| B. | ln(1/x +√(1-x2))/|x| |
| C. | 1/2ln(1+x/1-x) |
| D. | ln(x+√(x2)) +1 |
| Answer» B. ln(1/x +√(1-x2))/|x| | |
| 52. |
some fungi are poisonous such as death angel(amanita) and Jack-o' lantern mushroom, they are termed as |
| A. | toadstools |
| B. | poisonous |
| C. | harmful |
| D. | None of Above |
| Answer» B. poisonous | |
| 53. |
The central angle of an arc of a circle whose length is equal to the radius of the circle is called the |
| A. | degree |
| B. | radian |
| C. | minute |
| D. | second |
| Answer» C. minute | |
| 54. |
Anthracnose is a defect which can be observed as |
| A. | spotting of seedpods |
| B. | spotting of leaves |
| C. | all of these |
| D. | spotting of fruits |
| Answer» D. spotting of fruits | |
| 55. |
cos2θ+sin2θ = |
| A. | −2 |
| B. | −1 |
| C. | 0 |
| D. | 1 |
| Answer» E. | |
| 56. |
If ƒ(x) = tan-1 and g(x) = tan(x), then (fog)(x) = |
| A. | tan-1xtan(x) |
| B. | tan-1xcot(x) |
| C. | x |
| D. | tan-1xsin(x) |
| Answer» C. x | |
| 57. |
x = acosθ, y = bsinθ are parametric equations of |
| A. | circle |
| B. | parabola |
| C. | ellipse |
| D. | hyperbola |
| Answer» D. hyperbola | |
| 58. |
An arc AB of length of 5 cm is marked on a circle is marked on a circle of radius 3cm. The area of sector bounded by this arc and radii from A anb B is |
| A. | 7.5 cm2 |
| B. | 7.5 m2 |
| C. | 75 m2 |
| D. | 75 cm2 |
| Answer» B. 7.5 m2 | |
| 59. |
When was Gabriela Mistral born? |
| A. | 7 April 1889 |
| B. | 16 March 1879 |
| C. | 30 December 1890 |
| D. | 12 July 1884 |
| Answer» B. 16 March 1879 | |
| 60. |
If f:X→Y is a function, then y εY is called |
| A. | dependent variable of f |
| B. | Independent variable of f |
| C. | value of f |
| D. | range of f |
| Answer» B. Independent variable of f | |
| 61. |
Inhaling the spores of a fungus which is contaminated in soil can lead to a serious infection of lungs called |
| A. | histoplasmosis |
| B. | hyesteria |
| C. | epilepsy |
| D. | None of Above |
| Answer» B. hyesteria | |
| 62. |
Which book of Fyodor Dostoevsky was published in 1866? |
| A. | The Possessed |
| B. | White Nights |
| C. | Crime and Punishment |
| D. | Bobok |
| Answer» D. Bobok | |
| 63. |
When the fungal hyphae extends into the soil and penetrate the outer cells of plant root while forming the branches are type of |
| A. | mycorrhizae |
| B. | exomycorrhizae |
| C. | endomycorrhizae |
| D. | None of Above |
| Answer» D. None of Above | |
| 64. |
If ƒ(x) = x2 + 3 and g(x) = 1/x, then (fog)(x) = |
| A. | √(x2 +1/x |
| B. | x2 +1/x |
| C. | 1/x2 +1 |
| D. | x + 3 |
| Answer» C. 1/x2 +1 | |
| 65. |
Saprophytic fungi |
| A. | secure their food from dead organic materials |
| B. | engulf their food in order to break it down |
| C. | none of the above |
| D. | both ( and ( |
| Answer» B. engulf their food in order to break it down | |
| 66. |
The area of a sector with a central angle of 1 radians in a circular region whose radius is 2m is |
| A. | 2m2 |
| B. | 1m2 |
| C. | 0.5m2 |
| D. | π/6m2 |
| Answer» B. 1m2 | |
| 67. |
If ƒ(x) = lnx, then f-1(x) = |
| A. | sin(x) |
| B. | cos(x) |
| C. | lnx |
| D. | ex |
| Answer» E. | |
| 68. |
60′ = |
| A. | 360° |
| B. | 60° |
| C. | 1° |
| D. | 3600″ |
| Answer» E. | |
| 69. |
Ascospores, upon meiosis zygote may produce fruiting bodies called |
| A. | basidiocarps |
| B. | basicarps |
| C. | ascocarps |
| D. | None of Above |
| Answer» D. None of Above | |
| 70. |
What is the name given to the relaxation process due to an interaction between an excited nucleus and the magnetic fields caused by nuclei in molecules moving around in the sample? |
| A. | Spin - spin relaxation |
| B. | Spin - lattice relaxation |
| C. | None of these |
| D. | Spin - spin - spin relaxation |
| Answer» C. None of these | |
| 71. |
If ƒ(x) = cos(sin(x)), then f-1(0) = |
| A. | π/4 |
| B. | π/3 |
| C. | π/2 |
| D. | π |
| Answer» D. π | |
| 72. |
Where was Fulton John Sheen born? |
| A. | Rochester |
| B. | El Paso |
| C. | Louvain |
| D. | Albany |
| Answer» C. Louvain | |
| 73. |
cos22θ = |
| A. | 1 - sin2θ |
| B. | 1 + sin2θ |
| C. | 1 - sin22θ |
| D. | 1 - sinθ |
| Answer» C. 1 - sin22θ | |
| 74. |
In FT-NMR, how are nuclei excited? |
| A. | By an intense pulse of radiation which contains a wide range of frequencies |
| B. | By radio-frequency radiation whose frequency is swept across a predetermined range |
| C. | None of the above |
| D. | By an intense pressure |
| Answer» C. None of the above | |
| 75. |
1/4 rotation(anti-clockwise) = |
| A. | 45° |
| B. | 90° |
| C. | 180° |
| D. | 360° |
| Answer» B. 90° | |
| 76. |
A single mycelium is capable of producing a new hyphae in only one day which is up to a |
| A. | kilometer |
| B. | meter |
| C. | micrometer |
| D. | decimeter |
| Answer» B. meter | |
| 77. |
A mutualistic association made up of a fungus and a cyanobacterium is called |
| A. | a gamete |
| B. | a saprobe |
| C. | dimorphic |
| D. | lichen |
| Answer» E. | |
| 78. |
One degree is denoted by |
| A. | 1 rad |
| B. | 1′ |
| C. | 1″ |
| D. | 1° |
| Answer» E. | |
| 79. |
When was Fulton John Sheen born? |
| A. | 8 May 1895 |
| B. | 9 February 1894 |
| C. | 6 December 1898 |
| D. | 7 August 1896 |
| Answer» B. 9 February 1894 | |
| 80. |
When did Fulton John Sheen die? |
| A. | 6/24/1982 12:00:00 AM |
| B. | 3/15/1984 12:00:00 AM |
| C. | 12/9/1979 12:00:00 AM |
| D. | 9/27/1980 12:00:00 AM |
| Answer» D. 9/27/1980 12:00:00 AM | |
| 81. |
1 radian = |
| A. | 57°17′45″ |
| B. | 1° |
| C. | 180° |
| D. | 180′ |
| Answer» B. 1° | |
| 82. |
cosθ = |
| A. | 1/cscθ |
| B. | 1/secθ |
| C. | 1/cotθ |
| D. | 1/sinθ |
| Answer» C. 1/cotθ | |
| 83. |
Special hyphal tips which absorbs nutrients from host in parasitic fungi are called |
| A. | rhizoids |
| B. | haustoria |
| C. | mycelium |
| D. | None of Above |
| Answer» C. mycelium | |
| 84. |
If ƒ(x) = xsecx, then ƒ(0) = |
| A. | −1 |
| B. | 0 |
| C. | 1 |
| D. | √(2) |
| Answer» C. 1 | |
| 85. |
(secθ-tanθ)2 = |
| A. | 1 + sinθ/1 - sinθ |
| B. | (1 - sinθ)/(1 + sinθ) |
| C. | (1 - cosθ)/(1+cosθ) |
| D. | cscθ |
| Answer» C. (1 - cosθ)/(1+cosθ) | |
| 86. |
If f:X→Y is a function, then x εX is called |
| A. | ƒ(x) = 1 |
| B. | ƒ(x)εY |
| C. | ƒ(x)εX |
| D. | ƒ(x) does not belong to Y |
| Answer» C. ƒ(x)εX | |
| 87. |
An average of 15-50 % of the world's food is destroyed each year due to the attack of |
| A. | algae |
| B. | hydra |
| C. | parasites |
| D. | fungi |
| Answer» E. | |
| 88. |
If f:x→(-x)2 is a function, then ƒ(-2) = |
| A. | −4 |
| B. | −2 |
| C. | 2 |
| D. | 4 |
| Answer» B. −2 | |
| 89. |
If ƒ(x) = 2x+1/x-1, then f-1(1) = |
| A. | 1 |
| B. | 0 |
| C. | −1 |
| D. | −2 |
| Answer» B. 0 | |
| 90. |
The function I(x) = x is called the |
| A. | linear function |
| B. | identity function |
| C. | quadratic function |
| D. | cubic function |
| Answer» C. quadratic function | |
| 91. |
If f:x→(-x)3 is a function, then ƒ(-2) = |
| A. | 8 |
| B. | 2 |
| C. | −2 |
| D. | −8 |
| Answer» E. | |
| 92. |
When was Fulton John Sheen host of The Catholic Hour? |
| A. | 1961-1968 |
| B. | 1915-1920 |
| C. | 1920-1928 |
| D. | 1930-1950 |
| Answer» E. | |
| 93. |
Black mold rot is caused by |
| A. | niger |
| B. | flavus |
| C. | Trichothecium roseum |
| D. | Trichoderma |
| Answer» B. flavus | |
| 94. |
If the circumference of a circle is divided into 360 congruent parts, the angle subtended by one part at the center of the circle is called |
| A. | angle |
| B. | radian |
| C. | degree |
| D. | minute |
| Answer» D. minute | |
| 95. |
The area of a sector with a central angle of 0.5 radians in a circular region whose radius is 2m is |
| A. | π/2m2 |
| B. | π/3m2 |
| C. | π/6m2 |
| D. | 1m2 |
| Answer» E. | |
| 96. |
80° = |
| A. | 5π/6 radians |
| B. | 2π/3 radians |
| C. | π/4 radians |
| D. | 180π radians |
| Answer» C. π/4 radians | |
| 97. |
The naked spores which helps penicillum in asexual reproduction are called |
| A. | conidia |
| B. | cones |
| C. | spores |
| D. | mycelium |
| Answer» B. cones | |
| 98. |
The radian measure of the central angle of an arc 50m long on a circle of radius 25m is |
| A. | 3 |
| B. | 2 |
| C. | 1 |
| D. | 0.5 |
| Answer» C. 1 | |
| 99. |
The more resistant hyphal wall in Fungi is |
| A. | chitin |
| B. | hyphae |
| C. | parasitic |
| D. | None of Above |
| Answer» B. hyphae | |
| 100. |
If f:x→2x2 -4x +1 is |
| A. | trigonometric function |
| B. | logarithmic function |
| C. | exponential function |
| D. | algebric function |
| Answer» E. | |