AFNS Academic test preparation 2021 | Test-5 | AFNS Complete Preparation
AFNS Academic test preparation
2021
Test-5
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Biology
Q.1- Nutrients are returned to the environment by:
A) producers
B) decomposers
C) herbivores
D) carnovores
Ans. b
Q.2- Unicellular blue-green algae reproduce by:
A) fragmentation
B) conjugation
C) cell division
D) hormogonia
Ans. c
Q.3- The conversion of atmospheric nitrogen into nitrates by bacteria is called:
A) Nitrification
B) Nitrogen fixation
C) Denitrification
D) Bacteria
Ans. b
Q.4- Bacterial are haploid organisms because the number of chromosomes in their cells is:
A) 2
B) 4
C) 8
D) None of these
Ans. D
Q.5- Which of the following is a viral disease?
A) Malaria
B) Crown gall
C) Mumps
D) Pneumonia
Ans. c
Q.6- Which of the following character of living things is found in vrisues?
A) respiration
B) genetic recombination
C) photosynthesis
D) all of these
Ans. b
Q.7- Which of the following is nonliving character of virus?
A) genetic recombination
B) mutation
C) reproduction
D) crystallization
Ans. d
Q.8- Polio virus is:
A) rod-shaped
B) tadpole shaped
C) spiral
D) spherical
Ans. d
Q.9- The elimination of bacteria from a medium is called:
A) inoculation
B) sterilization
C) staining
D) fermentation
Ans. b
Q.10- Pathogenic bacteria secrete
a)Antigens
b) Antibodies
c) Hormones
d) Interferon’s
Ans. a
Q.11- Where is the Botanical Survey of India headquartered ?
a)Lucknow
b) Darjeeling
c) Kolkata
d) Oottaccamund
Ans. c
Q.12- Who amongst the following was awarded Nobel Prize for path breaking contributions to develop treatment against Parkinson s disease ?
a) Arvid Carlsson
b) Walter Kohn
c) Robert B. Laughlin
d) Ferid Murad
Ans. a
Q.13- Which of the following food items is rich in iron ?
a) Rice
b) Apple
c) Pulses
d) Orange
Ans. b
Q.14- Who discovered sex hormones?
a) Dreser
b) Eugen Steinach
c) Edward Calvin
d) Samuel Cohen
Ans. b
Q.15- Fermentation Is a process of decomposition of an organic compound by
a) catalysts
b) enzymes
c) carbanions
d) free radicals
Ans. b
Chemistry
Q.16- Quantum number which has symbol “n” is called
a) principal quantum
b) Azimuthal quantum
c) Spin quantum
d) Magnetic quantum
Ans. a
Q.17- Planck’s equation is
a) E = mc2
b) E = hv
c) E = hv2
d) E = mc
Ans. b
Q.18- Atom bomb is based on the principle of
a) nuclear fusion
b) nuclear fission
c) fusion and fission both
d) radioactivity
Ans. b
Q.19- Cathode rays can drive a small paddle wheel which shows that they
a) are positively charged
b) possess momentum
c) do not possess momentum
d) none of these
Ans. b
Q.20- An orbital can have maximum electrons
a) 2
b) 8
c) 18
d) 6
Ans. a
Q.21- Most of thermodynamic parameters are
A) system
B) surrounding
C) phase
D) state functions
Ans. D
Q.22- Change in enthalpy (H) of a system can be calculated by following relationship
A) Delta H=E+PV
B) ?H=?E-PV
C) ?H=?E-q
D) ?H=?E+q
Ans. A
Q.23- Which of the following is correct
A) qp>qv
B) ?E < ?H
C) ?E>?H
D) Both a & b
Ans. A
Q.24- Two fundamental ways to transfer energy are
A) pressure and temperature
B) pressure and volume
C) heat and work
D) heat and volume
Ans. C
Q.25- Enthalpy change can be
A) calculated by Hess law
B) can be measured by calorimeter
C) both a and b
D) none
Ans. C
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Physics
Q.26- Which quantity of the following is dimensionless?
A) Angular velocity
B) Angular acceleration
C) Centripetal force
D) Angular displacement
Ans. d
Q.27- The direction of angular velocity is determined by:
A) Left hand rule
B) Head to tail rule
C) Right had rule
D) General rule
Ans. c
Q.28- The centripetal force is always directed.
A) Away from the centre along the radius
B) Along the direction of motion
C) Opposite to the motion of the body
D) Towards the centre along the radius
Ans. d
Q.29- The rate of change of angular momentum of a body is:
A) The applied force
B) The moment of inertia
C) The applied torque
D) Impulsive force
Ans. c
Q.30- The unit of rotational K.E is:
A) rad/sec
B) Js
C) J
D) Kgm 2
Ans. c
Q.31- In parallel circuit resistances——–?
A) Equal to sum of current
B) Equal to sum of resistance
C) Equal to sum of voltage
D) Less than resistance
Ans. b
Q.32- The pitch depends upon——?
A) Frequency
B) Echo
C) Speed
D) Amplitude
Ans. a
Q.33- The rainbow is a result of—-?
A) Diffraction
B) Interference
C) Refection
D) Refraction
Ans. c
Q.34- The centripetal force of a body in a circle is increased by———?
A) Decrease in centripetal
B) Increase in its length
C) Increase in its mass
D) Decrease in speed
Ans. c
Q.35- When a bus suddenly stop due to—-man receives an impulse in forward direction?
A) Illness
B) Third law of motion
C) Law of inertia
D) Second law of motion
Ans. c
English
Q.36- She is jealous _______ my friend?
A) From
B) With
C) Of
D) By
Ans. C
Q.37- The book is______the mug and pen.
A) In
B) Among
C) Between
D) Of
Ans. C
Q.38- The same considerations are equally applicab le ______ accident claims?
A) with
B) To
C) on
D) of
Ans. B
Q.39- He was upbraided _______ his slovenly appearance?
A) from
B) for
C) with
D) to
Ans. B
Q.40- Translate this passage ____ English.
A) to
B) in
C) into
D) on
Ans. C
Q.41- What is the Synonym of the word “INDUBITABLE”?
A) Certain
B) Undeniable
C) Fraudulent
D) Doubtful
Ans. B
Q.42- Synonym of “Yokel” is _______?
A) Crafty
B) Canny
C) bumpkin
D) Crave
Ans. C
Q.43- Synonym of Obsolescent is _____________?
A) Useless
B) Glittering
C) Fustiness
D) Modernity
Ans. C
Q.44- Synonym of ALERT is _____________?
A) Intelligent
B) Energetic
C) Observant
D) Watchful
Ans. D
Q.45- Synonym of PRECARIOUS is _____________?
A) Safe
B) Brittle
C) Perilous
D) none of these
Ans. C
Q.46- The antonym of Mammoth is___________?
A) Big
B) Giant
C) Small
D) Low
Ans. C
Q.47- Antonym of DWARF is _____________?
A) Giant
B) Tiny
C) Huge
D) Enormous
Ans. A
Q.48 - Antonym of “matutinal” is ________.
A) paternal
B) crepuscular
C) maritime
D) marsupial
Ans. B
Q.49- Antonym of “impervious” is _______?
A) kind
B) disastrous
C) prone
D) perfect
Ans. C
Q.50- Antonym of ” Astute ” is _____________?
A) Stupid
B) Discerning
C) Canny
D) Whirlwind
Ans. A
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