Explore topic-wise MCQs in Avionics.

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.

101.

A lichen which is used as food by animals like reindeers are called

A. animal lichen
B. reindeer lichen
C. reindeer fungi
D. reindeer moss
Answer» E.
102.

The modified hyphae which helps to anchor saprobic fungi are known as

A. rhizoids
B. haustoria
C. hyphae
D. mycelium
Answer» B. haustoria
103.

The vertex of an angle in standard form is at

A. (1,0)
B. (0,1)
C. (1,1)
D. (0,0)
Answer» E.
104.

cosh(x) =

A. ex + e-x/2
B. ex - e-x/2
C. ex - e-x/ex+ e-x
D. ex + e-x/ex- e-x
Answer» B. ex - e-x/2
105.

5π/4 radian =

A. 360°
B. 335°
C. 270°
D. 225°
Answer» E.
106.

In one hour, the hours hand of a clock turns through

A. π/12 radians
B. π/8 radians
C. π/6 radians
D. π radians
Answer» D. π radians
107.

csc2θ/2-cot2θ/2 =

A. 1
B. −1
C. 0
D. sec22θ
Answer» C. 0
108.

1 + tan22θ/2 =

A. sec2θ
B. csc2θ
C. csc22θ
D. sec2θ/2
Answer» B. csc2θ
109.

If ƒ(x) = √(x2) -9, then domain of f is

A. [-∞,-2]∪[2,∞]
B. [-2,2]
C. [-3,3]
D. [-∞,-3]&cup'[3,∞]
Answer» E.
110.

Which of the following is the basis of first dimension of separation for two-dimensional electrophoresis?

A. Solubility
B. Molecular mass
C. Folding
D. Isoelectric point
Answer» E.
111.

If f:x→cos(x) is a function, then ƒ(0) =

A. −1
B. 1⁄2
C. 0
D. 1
Answer» E.
112.

sinh-1x =

A. ln(x+√(x2 +1))
B. ln(x+√(x2 -1))
C. 1/2ln(1+x/1-x)
D. 1/2ln(x+1/x-1)
Answer» B. ln(x+√(x2 -1))
113.

cos2θ =

A. 1 + sin2θ
B. 1 - sin2θ
C. 1-2sin2θ
D. 1+2sin2θ
Answer» C. 1-2sin2θ
114.

Which of the following is not a member of the division Ascomycota?

A. Claviceps
B. Aspergillus
C. Rhizopus
D. Penicillium
Answer» D. Penicillium
115.

If f:X→Y is a function, then the elements of X are called

A. pre-images
B. images
C. constants
D. ranges
Answer» C. constants
116.

If l and r are in cms, then the unit of θ is in

A. radians
B. degrees
C. cm2
D. None of the Above
Answer» B. degrees
117.

If ƒ(x) = 2x+1/x-1, then f-1(-1) =

A. 1
B. 0
C. −1
D. −2
Answer» D. −2
118.

Where was Gabriela Mistral born?

A. Buenos Aires
B. Santiago
C. Vicuna
D. Sao Paulo
Answer» D. Sao Paulo
119.

The process of breakdown of mycelium, in which each broken fragment give rise to a new mycelium is

A. fragmentation
B. budding
C. conjugation
D. binary fission
Answer» B. budding
120.

When was Fyodor Dostoevsky born?

A. 15 May 1823
B. 28 January 1824
C. 11 November 1821
D. 23 August 1822
Answer» D. 23 August 1822
121.

If ƒ(x) = tan(x), then f-1(√(3) =

A. π/6
B. π/4
C. π/3
D. π
Answer» D. π
122.

The area of a sector of a circular region of radius r and the central angle of the sector θ radians is

A. 1/2rθ2
B. 1/2r2θ
C. 1/2rθ
D. r2θ
Answer» C. 1/2rθ
123.

x = asecθ, y = btanθ are parametric equations of

A. circle
B. parabola
C. ellipse
D. hyperbola
Answer» E.
124.

120° =

A. 3π/2 radians
B. 2π/3 radians
C. π/2 radians
D. 180π radians
Answer» C. π/2 radians
125.

Powdery mildews, potato wilt, apple scab are all diseases caused by

A. jelly fish
B. algae
C. fungi
D. hydra
Answer» D. hydra
126.

If ƒ(x) = 2x+1 and g(x) = 3/x-1, then (fog)(x) =

A. x+5/x-1
B. 3/2x
C. 6x+3/x-1
D. x+3
Answer» E.
127.

Fungi can tolerate a range of PH from 2 -

A. 9
B. 8
C. 6
D. 7
Answer» B. 8
128.

sin22θ =

A. 1 - cos2θ
B. 1+cos2θ
C. 1+cosθ
D. 1 - cos22θ
Answer» E.
129.

If f:x→(-x)2 is a function, then ƒ(2) =

A. −4
B. −2
C. 2
D. 4
Answer» E.
130.

Hyphae which lack septa and contain long multinucleated large cell are called

A. mycelium
B. coenocytic hyphae
C. enocytic hyphae
D. hyphae
Answer» C. enocytic hyphae
131.

__________ produce basidiospores.

A. Dimorphic fungi
B. Slime molds
C. Sac fungi
D. Club fungi
Answer» E.
132.

If ƒ(x) = x3 + 2x2 -1, then ƒ(a+h)-ƒ(a)/h =

A. 0
B. 1
C. h2 + a2
D. h2 + (3a+2)h + 3a2 + 4a
Answer» D. h2 + (3a+2)h + 3a2 + 4a
133.

Fungi

A. are prokaryotic cells
B. are photosynthetic
C. secrete extracellular enzymes to breakdown nutrients
D. have cell walls of peptidoglycan
Answer» D. have cell walls of peptidoglycan
134.

If f is a bijective function, then f-1ƒ(x)) =

A. 0
B. 1
C. 2
D. x
Answer» E.
135.

The fusion of nuclei in fungi is

A. karyogamy
B. progamy
C. microgamy
D. None of Above
Answer» B. progamy
136.

If ƒ(x) = tan-1(x2/2), then f-1(π/4) =

A. 0
B. 1
C. √2
D. 2
Answer» D. 2
137.

What was Gabriela Mistral’s original name?

A. Amandine Dudevant
B. Mary Ann Evans
C. Josephine O’Brien
D. Lucila Godoy Alcayaga
Answer» E.
138.

The number of sets of chromosomes in a dikaryotic cell

A. is lesser than diploid cell
B. is greater than diploid cell
C. none of these
D. is equal to diploid cell
Answer» E.
139.

When was Fulton John Sheen ordained a priest?

A. 4/5/1916 12:00:00 AM
B. 3/12/1921 12:00:00 AM
C. 10/7/1924 12:00:00 AM
D. 9/20/1919 12:00:00 AM
Answer» E.
140.

If ƒ(x) = 2x+1/x-1, then f-1(3) =

A. 0
B. 1
C. 2
D. 4
Answer» C. 2
141.

If f:x→tan(x) is a function, then ƒ(π) =

A. −1
B. 1 divided 2
C. 0
D. 1
Answer» D. 1
142.

coth(x) =

A. ex + e-x/2
B. ex - e-x/2
C. ex - e-x/ex + e-x
D. ex + e-x/ex - e-x
Answer» E.
143.

Aflatoxings are the most carcinogenic toxins which are produced by

A. Aspergillus
B. spergillus
C. carcinogillus
D. None of Above
Answer» B. spergillus
144.

Why is it advantageous to record many FID signals from the same sample and then add them together?

A. To increase sensitivity
B. To ensure that all target nuclei in the sample have been excited
C. None of the above
D. To remove inaccuracies caused by fluctuations in the applied magnetic field
Answer» B. To ensure that all target nuclei in the sample have been excited
145.

If ƒ(x) = ex, then f-1(x) =

A. sin(x)
B. cos(x)
C. lnx
D. ex
Answer» D. ex
146.

If ƒ(x) = tan-1 and g(x) = tan(x), then (gof)(x) =

A. tan-1xtan(x)
B. tan-1xcot(x)
C. x
D. tan-1xsin(x)
Answer» D. tan-1xsin(x)
147.

If f:x→y is a function, then y εY is called the

A. dependent variable of f
B. Independent variable of f
C. value of f
D. range of f
Answer» B. Independent variable of f
148.

Where did Gabriel Garcia Marquez live in 1967-1975?

A. Russia
B. Spain
C. India
D. Canada
Answer» C. India
149.

If ƒ(x) = x4 -4x2 +4, then ƒ(√(x+1) =

A. x-1
B. (x-1)2
C. x2 -1
D. x2 +1
Answer» C. x2 -1
150.

When did Gabriel Garcia Marquez win Nobel Prize for Literature?

A. 1982
B. 1975
C. 2004
D. 1994
Answer» B. 1975