Which one of the following is not an exclusive trait of arthropoda?

ETEA 2018
Biology
Kingdom Animalia
Phylums – porifera to chordata
Elimination Tool:

A) Presence of wings
B) Jointed appendages
C) Haemocoel
D) Chitinous exoskeleton

The common name of rubella is:

ETEA 2018
Biology
Variety of Life
Elimination Tool:

A) Whooping cough
B) German measles
C) African sleeping Sickness
D) Tay Sach’s Disease

XO in drosophila result in sterile:

ETEA 2018
Biology
Variation and Genetics
Sex Determination
Elimination Tool:

A) Female
B) Male
C) Both (A) & (B)
D) No effect

A vein differs from an artery in having:

ETEA 2018
Biology
Transport
Elimination Tool:

A) Strong muscular walls
B) Narrow lumen
C) Valves control direction of blood flow opposite to heart
D) Valves control direction of blood flow towards heart

Locomotary organ in leech is called?

ETEA 2018
Biology
Kingdom Animalia
Phylums – porifera to chordata
Elimination Tool:

A) Setae
B) Chatae
C) Parapodia
D) None of the above

Goblets cells are:

ETEA 2018
Biology
Gaseous Exchange
Respiratory System of Man
Elimination Tool:

A) Unicellular exocrine gland
B) Unicellular endocrine glands
C) Multicellular exocrine gland
D) Multicellular endocrine glands

Taxus baccata is the botanical name of:

ETEA 2018
Biology
Kingdom Plantae
Evolution of Seed Habit
Elimination Tool:

A) Fever tree
B) Deadly nightshade
C) English Yew
D) Daffodils

Darwins finches are found in:

ETEA 2018
Biology
Evolution
Elimination Tool:

A) New Zealand
B) New Guinae
C) Galapagos island
D) Australia

Which of the following is not a fern?

ETEA 2018
Biology
Kingdom Plantae
Pteropsida
Elimination Tool:

A) Pteris
B) Tmesipeteris
C) Dryopteris
D) Pteridium

Which of the following is a summer variety:

ETEA 2018
Biology
Kingdom Plantae
Evolution of Seed Habit
Elimination Tool:

A) Figs
B) Cabbages
C) Oranges
D) Pears

The following statement is true for the absorption spectra of photosynthesis:

ETEA 2018
Biology
Bioenergetics
Photosynthetic pigments
Elimination Tool:

A) Chlorophyll a and b have same absorption spectra
B) Chlorophyll a and b have different absorption spectra
C) Chlorophyll a and carotenoids have same absorption spectra
D) Carotenoids and chlorophyll b have same absorption spectra

Which one of the following is not a draught animal?

ETEA 2018
Biology
Kingdom Animalia
Phylums – porifera to chordata
Elimination Tool:

A) Buffalo
B) Mule
C) Elephant
D) Yak

For defense against virus attack, body produces:

ETEA 2018
Biology
Transport
Elimination Tool:

A) Antibodies
B) Histamines
C) Antigens
D) Interferons

A heterozygote fruit fly has more florescent pigments in their eyes than a wild homozygote fruit fly, this is an example of:

ETEA 2018
Biology
Variation and Genetics
Exceptions To Mendelian Inheritance
Elimination Tool:

A) Co-dominance
B) Incomplete dominance
C) Over dominance
D) Complete dominance

The number of Hyoid bone in human skull region is:

ETEA 2018
Biology
Coordination and Control
Central Nervous System
Elimination Tool:

A) 1
B) 6
C) 22
D) 206

Baroceptors are the sensors in body responsible for determination of:

ETEA 2018
Biology
Coordination and Control
Peripheral Nervous System
Elimination Tool:

A) Blood Glucose
B) Blood Ammonia
C) Blood ?H
D) Blood flow

Common name of the Loligo pealeii is:

ETEA 2018
Biology
Kingdom Animalia
Phylums – porifera to chordata
Elimination Tool:

A) Squid
B) Laligo
C) Slug
D) Oyster

Depolarization of neuron is characterized by

ETEA 2018
Biology
Coordination and Control
Steps Involved in Nervous Coordination
Elimination Tool:

A) Na+ into the axon and K+ out of the axon
B) K+ into the axon and Na+ out of the axon
C) Na+ and K+ within the axon toward the axon terminal
D) None of the above

The stage of plasmodium life cycle not related to human body is:

ETEA 2018
Biology
Transport
Elimination Tool:

A) Merozoite
B) Ookinetes
C) Trophozoites
D) Gametozoites

The organism developed with two heads and one trunk is called:

ETEA 2018
Biology
Reproduction
Reproduction in Females
Elimination Tool:

A) Identical twins
B) Dizygotic twins
C) Fraternal twins
D) Siamese twins

The first hormone to be discovered was:

ETEA 2018
Biology
Coordination and Control
Endocrine System and its Hormones
Elimination Tool:

A) Secretin
B) Testosterone
C) Insulin
D) Thyroxin

A condition called Goose pimples, are caused by:

ETEA 2018
Biology
Homeostasis
Thermoregulation
Elimination Tool:

A) Overcooled body
B) Bacteria
C) Environmental changes
D) Pollution

Mg++ and Ca++ are excreted in fishes through:

ETEA 2018
Biology
Homeostasis
Osmoregulation
Elimination Tool:

A) Kidney
B) Gills
C) Skin
D) All of the above

All of the following acts as cloning vector except

ETEA 2018
Biology
Biotechnology
Genetic Engineering & its tools
Elimination Tool:

A) BAC
B) YAC
C) Cosmids
D) EcoRI

In protein synthesis the initiator tRNA carrying amino acid methionine land on which site of ribosome:

ETEA 2018
Biology
Chromosomes and DNA
Translation
Elimination Tool:

A) E site
B) P site
C) A site
D) C site

How many sperms are produced from fifty secondary spermatocyte?

ETEA 2018
Biology
Reproduction
Reproduction in Males
Elimination Tool:

A) 200
B) 100
C) 50
D) 150

Venous flower basket belong to which group of organisms:

ETEA 2018
Biology
Kingdom Animalia
Elimination Tool:

A) Angiosperms
B) Sponges
C) Marine Algae
D) Fungus like protists

Short life cycle is a plant adaptation to survive in:

ETEA 2018
Biology
Coordination and Control
Coordination in Plants
Elimination Tool:

A) High temperature
B) Low temperature
C) High soil ?H
D) Low soil ?H

Lignin could not be expected in which part of the plant cell wall:

ETEA 2018
Biology
Transport
Elimination Tool:

A) Secondary cell wall
B) Middle lamella
C) Cell membrane
D) Primary cell wall

Vomit centre is located in:

ETEA 2018
Biology
Coordination and Control
Central Nervous System
Elimination Tool:

A) Pons
B) Mid brain
C) Cerebellum
D) Medulla

An autoimmune disorders in which stiffness and inflammation of vertebrae occurs is called as:

ETEA 2018
Biology
Support and Movement
Elimination Tool:

A) Lupus
B) Scleroderma
C) Ankylosis spondylotis
D) Juvenile dermatomyositis

Expiratory centre in medulla is:

ETEA 2018
Biology
Gaseous Exchange
Respiratory System of Man
Elimination Tool:

A) Dorsal
B) Ventral
C) Lower part
D) All of the above

Polyploidy is more common in:

ETEA 2018
Biology
Variation and Genetics
Polygenic Inheritance And Epistasis
Elimination Tool:

A) Plants
B) Animals
C) Bacteria
D) Virus

Which of the following is absent in C4 Plants:

ETEA 2018
Biology
Bioenergetics
CAM & C4 Plants
Elimination Tool:

A) Calvin Cycle
B) Bundle Sheath cells
C) Pepco
D) CO2 Fixation in Mesophyll

The first stage in development of Xerosere is appearance of:

ETEA 2018
Biology
Man and His Enviornment
Elimination Tool:

A) Foliose lichens
B) Crustose lichens
C) Fruticose lichens
D) Climax stage

Which one of the following is a shrub?

ETEA 2018
Biology
Man and His Enviornment
Elimination Tool:

A) Parmelia
B) Aster
C) Rhus
D) Banana

Which one of the following is not an insect?

ETEA 2018
Biology
Kingdom Animalia
Phylums – porifera to chordata
Elimination Tool:

A) Ticks
B) Honey bee
C) Beetle
D) Wasp

This is used as a substrate during the formation of alcohol:

ETEA 2018
Biology
Biological Molecules
Carbohydrates
Elimination Tool:

A) Sucrose
B) Glucose
C) Galactose
D) Mannose

The edible part of Morchella esculanta is:

ETEA 2018
Biology
Kingdom Fungi
Elimination Tool:

A) Ascocarp
B) Basidiocarp
C) Zygocarp
D) Pseudocarp

Chymotrypsin acts upon:

ETEA 2018
Biology
Nutrition
Digestion and Absorption
Elimination Tool:

A) Starch in duodenum
B) Proteins in stomach
C) Proteins in duodenum in acidic medium
D) Proteins in duodenum in alkaline medium

Which process of cell division is involved in gametes formation in Funaria:

ETEA 2018
Biology
Kingdom Plantae
Division Bryophyta
Elimination Tool:

A) Mitosis
B) Meiosis
C) Amitosis
D) Binary Fission

Piriformis syndrome is associated with which of the following disorder:

ETEA 2018
Biology
Coordination and Control
Disorders of the Nervous System
Elimination Tool:

A) Arthritis
B) Sciatica
C) Spondylosis
D) Disc slip

The first successful surgery of heart was performed by Dr. Ludwig by repairing a wound on which part:

ETEA 2018
Biology
Transport
Elimination Tool:

A) Right auricle
B) Right ventricle
C) Left auricle
D) Left ventricle

Closed vascular system is the characteristic of:

ETEA 2018
Biology
Kingdom Plantae
Evolution of Seed Habit
Elimination Tool:

A) Lycopsida
B) Sphenopsida
C) Dicot
D) Monocot

Which of the following is not the part of first line of defense?

ETEA 2018
Biology
Transport
Elimination Tool:

A) Sebum
B) Perspiration
C) Interferon
D) Epidermis

Which of the following is not isotonic to sea water?

ETEA 2018
Biology
Homeostasis
Osmoregulation
Elimination Tool:

A) Myxine
B) Skates
C) Sharks
D) Teleost

Which of the following is the most economically important plant family?

ETEA 2018
Biology
Kingdom Plantae
Evolution of Seed Habit
Elimination Tool:

A) Poaceae
B) Asteraceae
C) Rosaceae
D) Fabaceae

Syphilis is caused by:

ETEA 2018
Biology
Reproduction
Sexually Transmitted Diseases
Elimination Tool:

A) Treponema pallidum
B) Helicobacter spp
C) Neisseria spp
D) Bacteroides spp

The center of porphyrine in the head region of hemoglobin is occupied by:

ETEA 2018
Biology
Transport
Elimination Tool:

A) Potassium
B) Sodium
C) Magnesium
D) Iron

In E.C.G QRS complex represent:

ETEA 2018
Biology
Transport
Elimination Tool:

A) Atrial systole
B) Arial diastole
C) Ventricle systole
D) Ventricle diastole

Which factor is not involved in release of Oxytocin in females:

ETEA 2018
Biology
Coordination and Control
Endocrine System and its Hormones
Elimination Tool:

A) Stretching of uterus
B) Stretching of Cervix
C) Low level of testosterone
D) Low level of progesterone

The living phloem, cork and cork cambium is collectively called:

ETEA 2018
Biology
Growth and Development
Elimination Tool:

A) Periderm
B) Protoderm
C) Peribleam
D) Bark

The study of fishes is:

ETEA 2018
Biology
Biology and its major fields of specialization
Elimination Tool:

A) Ornithology
B) Ichthyology
C) Herpetology
D) Serpetology

In nitrogen fixing bacteria, the nitrogenase complex is sensitive to:

ETEA 2018
Biology
Kingdom Prokaryote
Importance and Control of bacteria
Elimination Tool:

A) O2
B) CO2
C) NO2
D) NO3

The main difference between catalysts and enzymes is:

ETEA 2018
Biology
Enzymes
Elimination Tool:

A) Enzymes are sharp in action than catalyst
B) Catalysts used in large amount than enzymes
C) Catalysts are inorganic while enzymes are organic in nature
D) Enzymes need pH while catalysts do not

Umbel of umbels is present in:

ETEA 2018
Biology
Kingdom Plantae
Evolution of Seed Habit
Elimination Tool:

A) Hydrocotyl
B) Carrot
C) Iberis
D) Grapes

Tornaria larva resembles with:

ETEA 2018
Biology
Kingdom Animalia
Phylums – porifera to chordata
Elimination Tool:

A) Bipinnaria larva
B) Trochopore larva
C) Glochidium larva
D) Instar larva

Male having Downs syndrome have sex chromosomes:

ETEA 2018
Biology
Cell Cycle
Meiotic Errors
Elimination Tool:

A) XXY
B) XY
C) XYY
D) XYYY

The power loss ? in a resistor is calculated using the formula: ? =?2/R

The uncertainty in the potential difference ? is 3% and the uncertainty in the resistance ? is 2%. What is the uncertainty in ??

ETEA 2018
Physics
Current Electricity
Electrical Power and Power Dissipation in Resistors
Elimination Tool:

A) 4%
B) 7%
C) 8%
D) 11%

A thin horizontal plate of area 0.036 m2 is beneath the surface of a liquid of density 930 kg m−3. The force on one side of the plate due to the pressure of the liquid is 290 N. What is the depth of the plate beneath the surface of the liquid?

ETEA 2018
Physics
Fluid Dynamics
Elimination Tool:

A) 0.88 m
B) 1.1 m
C) 1.8 m
D) 8.7 m

How many cubic nanometers, nm3, are in a cubic micrometer, μm3?

ETEA 2018
Physics
Measurements
Physical Quantities
Elimination Tool:

A) 103
B) 106
C) 109
D) 1012

Two radioactive samples ?1 and ?2 have half-lives 3 hours and 7 hours respectively. If they have the same activity at certain instant ?, what is the ratio of the number of atoms of ?1 to ?2 at instant ??

ETEA 2018
Physics
Nuclear Physics
Radioactivity
Elimination Tool:

A) 9: 49
B) 49: 9
C) 3: 7
D) 7: 3

Which list shows electromagnetic waves in order of increasing frequency?

ETEA 2018
Physics
Electromagnetic Waves
Production of electromagnetic waves
Elimination Tool:

A) radio waves → gamma rays → ultraviolet → infra-red
B) radio waves → infra-red → ultraviolet → gamma rays
C) ultraviolet → gamma rays → radio waves → infra-red
D) ultraviolet → infra-red → radio waves → gamma rays

Which particle is a fundamental particle?

ETEA 2018
Physics
Nuclear Physics
Composition of Atomic Nuclei
Elimination Tool:

A) Electron
B) Hadron
C) Neutron
D) Proton

There are two charges +2?? and -3?? the ratio of the force acting on them will be:

ETEA 2018
Physics
Electrostatics
Elimination Tool:

A) 3 ∶ 1
B) 1 ∶ 1
C) 11 ∶ 8

D) 3 ∶ 8

What is the magnitude of a point charge which produces an electric field of 2 N/C at a distance of 60 cm?

ETEA 2018
Physics
Electrostatics
Elimination Tool:

A) 8 × 10−11C
B) 2 × 10−12C
C) 3 × 10−11C
D) 6 × 10−10C

The nuclear equation shown has a term missing. What is represented by the missing term?

ETEA 2018
Physics
Nuclear Physics
Nuclear Reactions
Radioactivity
Elimination Tool:

A) An antineutrino
B) An electron
C) A neutrino
D) A positron

Which expression using SI base units is equivalent to the volt?

ETEA 2018
Physics
Current Electricity
Electomotive Force and Potential Difference
Elimination Tool:

A) kg m2s−1A−1
B) kg m s−2 A
C) kg m2s−1 A
D) kg m2s−3A−1

Doubly ionized atoms ? and ? of two different elements are accelerated through the same P.D. on entering a uniform magnetic field they describe circular paths of radii ?1 and ?2. The masses of ? and ? are in the ratio of:

ETEA 2018
Physics
Electrostatics
Elimination Tool:

A) R1: ?2
B) ?2: ?1
C) R21 : ?22

D) R22: ?21

When we are measuring the internal resistance of a cell by potentiometer, the emf of the battery must be greater than the

ETEA 2018
Physics
Current Electricity
Wheatstone Bridge and Potentiometer
Elimination Tool:

A) emf of the cell
B) P.D in the circuit
C) Current in the cell
D) Current in the circuit

A mass m is suspended from a spring of spring constant k. The angular frequency of oscillations of the spring is:

ETEA 2018
Physics
Oscillations and Simple Harmonic Motion
Horizontal Mass Spring System
Elimination Tool:

A) k/m
B) √[k/m]
C) m/k
D) √[m/k]

Four resistors are connected in a square as shown. The resistance may be measured between any two junctions. Between which two junctions is the measured resistance greatest?

ETEA 2018
Physics
Current Electricity
Wire Wound Variable Resistors
Elimination Tool:

A) P and Q
B) Q and S
C) R and S
D) S and P

Which combination of up (u) and down (d) quarks forms a neutron?

ETEA 2018
Physics
Nuclear Physics
Radioactivity
Elimination Tool:

A) u u u
B) u u d
C) u d d
D) d d

A transverse wave travels along a rope. The graph shows the variation of the displacement of the particles in the rope with distance along it at a particular instant. At which distance along the rope do the particles have maximum upwards velocity?

ETEA 2018
Physics
Wave Motion and Sound
Progessive Waves
Elimination Tool:

A) 0.5 m
B) 1.0 m
C) 1.5 m
D) 2.0 m

A metal cube with sides of length “?” has electrical resistance ? between opposite faces. What is the resistance between the opposite faces of a cube of the same metal with sides of length 3??

ETEA 2018
Physics
Current Electricity
Elimination Tool:

A) 9?
B) 3?
C) R/3
D) ?/9

To determine Young’s modulus of a material of a given wire of length ? we use:

ETEA 2018
Physics
Physics of Solids
Elimination Tool:

A) Melde’s Apparatus
B) Young’s Apparatus
C) Searle’s Apparatus
D) Cavendish Apparatus

The dimensional formula for change in momentum is same as that for:

ETEA 2018
Physics
Measurements
Dimensions of Physical Quantities
Elimination Tool:

A) Force
B) Impulse
C) Acceleration
D) Velocity

The paratrooper of mass 80 ?? descends vertically at a constant velocity of 3 ? ?−1taking the acceleration of free fall as 10 ? ?−2. Find out what is the net force acting on him?

ETEA 2018
Physics
Forces and Motion
Newton’s Laws of Motion
Elimination Tool:

A) Zero
B) 8.00 ? upward
C) 8.00 ? downward
D) 240 ? downward

The inward and outward electric flux from a closed surface are respectively 8 × 103units and 4 × 103 units then the net charge inside the closed surface is:

ETEA 2018
Physics
Electrostatics
Elimination Tool:

A) A
B) B
C) C
D) D

The amount of heat required to raise the temperature of 10 moles of water from 70? to 80? (molar heat capacity of water 75.24?) is:

ETEA 2018
Physics
Heat and Thermodynamics
First Law of Thermodynamics
Elimination Tool:

A) 0.7524?
B) 7524?
C) 95.24?
D) 752.4?

Two springs of spring constant ?1 and ?2 are arranged in parallel and a body of mass ? is attached to it then calculate the time period of the system:

ETEA 2018
Physics
Physics of Solids
Elimination Tool:

A) A
B) B
C) C
D) D

In a uniform electric field, which statement is correct?

ETEA 2018
Physics
Electrostatics
Elimination Tool:

A) All charged particles experience the same force.
B) All charged particles move with the same velocity.
C) All electric field lines are directed towards positive charges
D) All electric field lines are parallel

A man has a mass of 80 kg. He ties himself to one end of a rope which passes over a single fixed pulley. He pulls on the other end of the rope to lift himself up at an average speed of 50 cm s−1. What is the average useful power at which he is working?

ETEA 2018
Physics
Work, Power & Energy
Elimination Tool:

A) 40 W
B) 0.39 kW
C) 4.0 kW
D) 39 kW

The ionization potential of a hydrogen atom is 13.6V what will be the energy of the electron in the second orbit?

ETEA 2018
Physics
Dawn of Modern Physics
Elimination Tool:

A) −10.2 eV
B) −3.40 eV
C) +3.40 eV
D) −1.51 eV

An electromagnetic wave travels in a straight line through a vacuum. The wave has a frequency of 6.0 THz. What is the number of wavelengths in a distance of 1.0 m along the wave?

ETEA 2018
Physics
Electromagnetic Waves
Information carried by EM waves and their reception
Elimination Tool:

A) 5.0 × 10–5
B) 2.0 × 101
C) 2.0 × 104
D) 5.0 × 107

An electron and a proton enter a magnetic field with equal velocities which one of them experiences more force:

ETEA 2018
Physics
Magnetism and Electromagnetic Induction
Force on a Moving Charge in a Magnetic Field
Elimination Tool:

A) Electron
B) Proton
C) Both experience same force
D) Cannot be predicted

In Simple Harmonic Motion the acceleration of the particle is zero when its:

ETEA 2018
Physics
Oscillations and Simple Harmonic Motion
Simple Harmonic Motion and Uniform Circular Motion
Elimination Tool:

A) Velocity is zero
B) Displacement is zero
C) Both velocity and displacement are zero
D) Both velocity and displacement are maximum

Which of the following will be a better shield against ?-rays?

ETEA 2018
Physics
Dawn of Modern Physics
Elimination Tool:

A) Ordinary water
B) Heavy water
C) Lead
D) Aluminum

A wire of diameter d and length l hangs vertically from a fixed point. The wire is extended by hanging a mass M on its end. The Young modulus of the wire is E. The acceleration of free fall is g. Which equation is used to determine the extension x of the wire?

ETEA 2018
Physics
Physics of Solids
Elimination Tool:

A) Option A
B) Option B
C) Option C
D) Option D

The number of electrons in one coulomb of charge are:

ETEA 2018
Physics
Electrostatics
Elimination Tool:

A) 6.25 × 1021
B) 1.6 × 1019

C) 6.25 × 1018

D) 9.1 × 1031

A filament lamp has a resistance of 180 Ω when the current in it is 500 mA. What is the power dissipated in the lamp?

ETEA 2018
Physics
Current Electricity
Electrical Power and Power Dissipation in Resistors
Elimination Tool:

A) 45 W
B) 90 W
C) 290 W
D) 360 W

Two wave sources are oscillating in phase. Each source produces a wave of wavelength ?. The two waves from the sources meet at point ? with a phase difference of 90°.What is a possible difference in the distances from the two wave sources to point ??

ETEA 2018
Physics
Wave Motion and Sound
Superposition Of Waves
Elimination Tool:

A) ?/8
B) ?/4
C) ?/2
D) ?

The activity of a certain nuclide is governed by the relation ∆?/∆?= −?? where ? = 2.4 × 10−8?−1 what is the half-life of the nuclide?

ETEA 2018
Physics
Nuclear Physics
Radioactivity
Elimination Tool:

A) 2.9 × 107?
B) 1.3 × 107?

C) 1.2 × 10−8 ?
D) 3.4 × 10−8?

On a planet, a vertically-launched projectile takes 12.5 s to return to its starting position. The projectile gains a maximum height of 170 m. The planet does not have an atmosphere. What is the acceleration of free fall on this planet?

ETEA 2018
Physics
Motion in Two Dimensions
Projectile motion
Elimination Tool:

A) 2.2 m s−2
B) 8.7 m s−2
C) 27 m s−2
D) 54 m s−2

The charge on the electron and proton is reduced to half. If the present value of Rydberg constant is ?, then the new value of Rydberg constant will be:

ETEA 2018
Physics
Elimination Tool:

A) ?/2
B) ?/4
C) ?/8
D) ?/16

To determine the resistance of a voltmeter by discharging a capacitor through it, the instantaneous voltage is then given by the relation:

ETEA 2018
Physics
Electrostatics
Elimination Tool:

A) A
B) B
C) C
D) D

Which of the following series lie in the visible region?

ETEA 2018
Physics
Atomic Spectra
Spectrum of Hydrogen Atom
Elimination Tool:

A) Lyman
B) Paschen
C) Balmer
D) Pfund

A man stands in a lift that is accelerating vertically downwards. Which statement describes the force exerted by the man on the floor?

ETEA 2018
Physics
Circular Motion & Momentum
Elimination Tool:

A) It is equal to the weight of the man.
B) It is greater than the force exerted by the floor on the man.
C) It is less than the force exerted by the floor on the man.
D) It is less than the weight of the man.

A quantity ? is to be determined from the equation, ? = ? – ?. ? is measured as (1.27 ± 0.02) ? and ? is measured as (0.83 ± 0.01) ?. What is the percentage uncertainty in ? to one significant figure?

ETEA 2018
Physics
Measurements
Assessment of Total Uncertainty
Elimination Tool:

A) 0.4%
B) 2%
C) 3%
D) 7%

What is the momentum of X −rays having wavelength 0.001nm?

ETEA 2018
Physics
Dawn of Modern Physics
Elimination Tool:

A) 6.63 × 10−22 kg m s−1
B) 6.63 × 10−27 kg m s−1
C) 6.63 × 10−31 kg m s−1
D) 6.63 × 10−34 kg m s−1

The instantaneous current in a circuit is given by I = √2 sin(ωt + ∅) ampere what is the rms value of the current?

ETEA 2018
Physics
Alternating Current
Elimination Tool:

A) 2 A
B) √2 A
C) 1 A
D) (1/√2)A

The maximum energy of the electrons released in photocell is independent of:

ETEA 2018
Physics
Dawn of Modern Physics
Elimination Tool:

A) Frequency of incident light
B) Intensity of incident light
C) Nature of cathode surface
D) Wavelength of light

What is NOT true of 2 forces that give rise to a couple?

ETEA 2018
Physics
Circular Motion & Momentum
Elimination Tool:

A) They act in opposite directions
B) They both act at the same point
C) They both act on the same body
D) They both have the same magnitude

A radioactive isotope has a half-life of 3 days. The time after which its activity is reduced to 6.25% of its original activity is:

ETEA 2018
Physics
Nuclear Physics
Radioactivity
Elimination Tool:

A) 6 days
B) 8 days
C) 12 days
D) 16 days

The speed v of a liquid leaving a tube depends on the change in pressure ΔP and the density ρ of the liquid. The speed is given by the equation. where k is a constant that has no units. What is the value of n?

ETEA 2018
Physics
Fluid Dynamics
Elimination Tool:

A) 1/2
B) 1
C) 3/2
D) 2

The young’s modulus of a given rod of uniform length ? is given by the relation:

ETEA 2018
Physics
Physics of Solids
Elimination Tool:

A) ??/?
B) ??/L
C) F?/??2?
D) F?/??2L

A stationary sound wave has a series of nodes. The distance between the first and the sixth node is 30.0 cm. What is the wavelength of the sound wave?

ETEA 2018
Physics
Wave Motion and Sound
Stationary Waves
Elimination Tool:

A) 5.0 cm
B) 6.0 cm
C) 10.0 cm
D) 12.0 cm

A sound wave has a frequency of 2500 Hz and a speed of 1500 m s−1. What is the shortest distance from a point of maximum pressure in the wave to a point of minimum pressure?

ETEA 2018
Physics
Wave Motion and Sound
Progessive Waves
Elimination Tool:

A) 0.15 m
B) 0.30 m
C) 0.60 m
D) 1.20 m

Orange light in a vacuum has a wavelength of 600 nm. What is the frequency of this light?

ETEA 2018
Physics
Elimination Tool:

A) 180 Hz
B) 5.0 × 105 Hz
C) 1.8 × 1011 Hz
D) 5.0 × 1014 Hz

An electron is projected horizontally from south to north in uniform horizontal magnetic field acting from west to east. The direction along which it will be deflected is:

ETEA 2018
Physics
Magnetism and Electromagnetic Induction
Motion of a Charged Particle in an Electric and Magnetic Field
Elimination Tool:

A) Northwards
B) Southwards
C) Vertically upwards
D) Vertically downwards

The efficiency of a heat engine working between the freezing point and the boiling point of water is near to:

ETEA 2018
Physics
Heat and Thermodynamics
Heat Engine
Elimination Tool:

A) 50%
B) 25%
C) 12.5%
D) 6.25%

Two railway trucks of masses m and 3m move towards each other in opposite directions with speeds 2v and v respectively. These trucks collide and stick together. What is the speed of the trucks after the collision?

ETEA 2018
Physics
Forces and Motion
Elastic and Inelastic Collisions
Elimination Tool:

A) v/4
B) v/2
C) v
D)
5v/45v/4

A uniform horizontal footbridge is 12 m long and weighs 4000 N. It rests on two supports X and Y as shown. A man of weight 600 N is at a distance of 4 m from support X. What is the upward force on the footbridge from support X?

ETEA 2018
Physics
Forces and Motion
Elimination Tool:

A) 2200 N
B) 2300 N
C) 2400 N
D) 2600 N

The reciprocal of the conductance is called:

ETEA 2018
Physics
Current Electricity
Ohms Law
Elimination Tool:

A) Conductivity

B) Resistivity
C) Resistance
D) Inductance

The rest mass of Photon is ??. Its linear momentum, when it moves with the speed equal to half of the speed of light in space, will be:

ETEA 2018
Physics
Dawn of Modern Physics
Elimination Tool:

A) A
B) B
C) C
D) D

A typical mobile phone battery has an e.m.f. of 5.0 V and an internal resistance of 200 mΩ.

What is the terminal P.D. of the battery when it supplies a current of 500 mA?

ETEA 2018
Physics
Current Electricity
Electomotive Force and Potential Difference
Elimination Tool:

A) 4.8 V
B) 4.9 V
C) 5.0 V
D) 5.1 V

Alcoholic fermentation is the sole mean of respiration in:

ETEA 2018
Biology
Kingdom Fungi
Characteristics of Fungi
Elimination Tool:

A) Saccharomyces
B) Armillaria
C) Trichonympha
D) Balanitidium

Which way shall we go?

[The underlined word is:]

ETEA 2018
English
Tenses and Sentence Structure
Elimination Tool:

A) Demonstrative adjective
B) Interrogative pronoun
C) Interrogative adjective
D) Exclamatory adjective

Saba was sick on the bus.

[The underlined prepositional phrase functions as a ____ in this sentence:]

ETEA 2018
English
Tenses and Sentence Structure
Elimination Tool:

A) Adjunct
B) Disjunct
C) Conjunct
D) Adverbial

You are called names by him.
[Choose the correct voice:]

ETEA 2018
English
Tenses and Sentence Structure
Elimination Tool:

A) He is calling you names
B) He calls you names
C) He called you names
D) You are being called names by him

I am afraid we have not got ____ sugar for making tea.

ETEA 2018
English
Fill in the blank
Elimination Tool:

A) some
B) no
C) any
D) plenty

It’s raining cats and dogs. So there are ____ cars on the road today.

ETEA 2018
English
Fill in the blank
Elimination Tool:

A) few
B) a few
C) a big number of
D) a great deal of

He said, “What is the matter”?
[Choose the correct indirect speech:]

ETEA 2018
English
Tenses and Sentence Structure
Elimination Tool:

A) He said what the matter was.
B) He asked what the matter was.
C) He enquired that what was the matter.
D) He asked that what the matter had been.

‘To the letter’ means:

ETEA 2018
English
Key Vocabulary
Elimination Tool:

A) Cursory
B) Enveloping a letter
C) Precisely
D) Reporting a problem

Don’t poke your nose ____ my affairs.

ETEA 2018
English
Fill in the blank
Elimination Tool:

A) in
B) on
C) into
D) by

Which of the following is correct in all respects?

ETEA 2018
English
Grammar and Punctuation
Elimination Tool:

A) I have done matric in 2010.
B) This is an utensil.
C) The population of the world rises.
D) This is the best peach producing valley.

My mother offered me milk. But for my life, I could not drink it.

[The underlined expression means:]

ETEA 2018
English
Tenses and Sentence Structure
Elimination Tool:

A) However hard I may try
B) Because of my life
C) For the sake of my life
D) During my life

I had an unexpected guest today. ____ my old classmate.

ETEA 2018
English
Fill in the blank
Elimination Tool:

A) It was
B) It is
C) He was
D) She was

Choose the related word for Broom on the analogy of Water : Splash.

ETEA 2018
English
Key Vocabulary
Elimination Tool:

A) Whisper
B) Gush
C) Swish
D) Screech

Which one of the following is opposite in meaning to the word SYMPATHY?

ETEA 2018
English
Key Vocabulary
Elimination Tool:

A) Apathy
B) Pathos
C) Empathy
D) Jealousy

A person who leaves his country and settles in another country is called:

ETEA 2018
English
Key Vocabulary
Elimination Tool:

A) Emigrant
B) Immigrant
C) Migrant
D) Aborigine

Enlarge upon’ means:

ETEA 2018
English
Key Vocabulary
Elimination Tool:

A) Explain in more detail
B) To make taller
C) To become large
D) To measure

Out of the following indicate the matching item for PUPPIES.

ETEA 2018
English
Key Vocabulary
Elimination Tool:

A) School
B) Litter
C) Covey
D) Group

Choose the related word for Rat on the analogy of Elephant : Stride.

ETEA 2018
English
Key Vocabulary
Elimination Tool:

A) Scamper
B) Loiter
C) Whimper
D) Gallop

She said, “What a lovely dress it is.”

[Choose the correct indirect speech:]

ETEA 2018
English
Grammar and Punctuation
Elimination Tool:

A) She exclaimed that it is a lovely dress.
B) She exclaimed that it was a lovely dress.
C) She exclaimed that what a lovely dress it was.
D) She exclaimed what a lovely dress it is.

He said to me, “traitor”.

[Choose the correct indirect speech:]

ETEA 2018
English
Tenses and Sentence Structure
Elimination Tool:

A) He said to me that I was a traitor.
B) He told me that I have been a traitor.
C) He called me a traitor.
D) He exclaimed with anger that I was a traitor.

The teacher said, “Amna, watch your steps.”

[Choose the correct indirect speech:]

ETEA 2018
English
Grammar and Punctuation
Elimination Tool:

A) The teacher ordered Amna that She should watch her steps.
B) The teacher ordered Amna to watch your steps.
C) The teacher ordered Amna to watch her steps.
D) The teacher requested Amna to watch your steps.

A diffraction grating is used to measure the wavelength of monochromatic light, as shown in the diagram. The spacing of the slits in the grating is 1.00 × 10−6m. The angle between the first order diffraction maxima is 60.0°. What is the wavelength of the light?

ETEA 2018
Physics
Optics, Nature of Light and Optical Instruments
Diffraction of Light
Elimination Tool:

A) 287 nm
B) 470 nm
C) 574 nm
D) 940 nm

If the overlap of Sp3 hybrid orbitals in carbon atoms is smaller the bond so formed is:

ETEA 2018
Chemistry
Fundamental Principles of Organic Chemistry
Introduction to Fundamental Principles of Organic Chemistry
Elimination Tool:

A) Weak
B) Strong
C) Less energetic
D) More stable

Henderson-Hasselbalch equation is used to calculate the pH of a buffer solutions. The correct representation of the equation is:

ETEA 2018
Chemistry
Acids, Bases and Salts
Buffer Solutions and Their Applications
Elimination Tool:

A) Option A
B) Option B
C) Option C
D) Option D

The amount of methane in Biogas is approximately:

ETEA 2018
Chemistry
Fundamental Principles of Organic Chemistry
Introduction to Fundamental Principles of Organic Chemistry
Elimination Tool:

A) 10-30 %
B) 50-90%
C) 50-75%
D) 60-75%

The non-carbonyl compound out of the following is:

ETEA 2018
Chemistry
Alcohols, Phenols and Ethers
Elimination Tool:

A) A
B) B
C) C
D) D

For the reaction,

CO(g) + (1/2)O2(g) ⟶ CO2(g)

ETEA 2018
Chemistry
Chemical Equilibrium
Equilibrium Constant
Elimination Tool:

A) Kp > Kc
B) Kp < Kc C) Kp = Kc D) Kp ≥ Kc

The volume of ??2 produced by heating 33.5? ??2??3 at room temperature and pressure is (?? ??2??3 = 67?/???):

ETEA 2018
Chemistry
Introduction to Fundamental Concepts of Chemistry
Important Assumptions of Stoichiometric Calculations
Elimination Tool:

A) 22.4 ??3
B) 12.0 ??3
C) 11.2 ??3
D) 24.0 ??3

Aqueous KOH causes SN-reaction in alkylhalide. On which of the following alkylhalides KOHaq would like to attack easily.

ETEA 2018
Chemistry
Alkyl Halides and Amines
Reactivity and Reactions of Alkyl Halides
Elimination Tool:

A) CH3 − CH2 − Cl
B) CH3 − CH2 − Br
C) CH3 − CH2 − F
D) CH3 − CH2 − I

Amino acid leucine is coded by how many codons:

ETEA 2018
Chemistry
Macromolecules
Synthetic Polymers and Biopolymers
Elimination Tool:

A) 1
B) 2
C) 4
D) 6

SiO2 is the only oxide that reacts with:

ETEA 2018
Chemistry
s and p Block Elements
General Behaviour of Alkali and Alkaline Earth Metals
Elimination Tool:

A) HClaq
B) KOHaq
C) Steam
D) SO3

The compound which you think is not the derivative of acetic acid is:

ETEA 2018
Chemistry
Carboxylic Acids and its Derivatives
Elimination Tool:

A) A
B) B
C) C
D) D

Cyclic alkanes with greater angle strain are always:

ETEA 2018
Chemistry
Hydrocarbons
Alkanes and Paraffins
Elimination Tool:

A) More stable
B) Less energetic
C) More reactive
D) Obey the general formula of normal alkanes

The alcohol given ??3 − ??2 − ?(??3)2 −??. If oxidized with a strong oxidizing agent given:

ETEA 2018
Chemistry
Alcohol, Phenols, and Ethers
Elimination Tool:

A) Aldehyde
B) Ketone
C) Ether
D) None of the above

What is the strain energy per unit volume of a rod made from this metal when the strain of the rod is 0.010?

ETEA 2018
Physics
Physics of Solids
Elimination Tool:

A) 10 kJ m−3
B) 100 kJ m−3
C) 1.0 MJ m−3
D) 10 MJ m−3

The process that can both be endothermic and exothermic out of the following is:

ETEA 2018
Chemistry
Thermochemistry
Heat Capacity and Calorimetry
Elimination Tool:

A) Dissolution
B) Crystallization
C) Bond breaking
D) Condensation

An unknown gas diffuses 5 times slower than that of H2. The molecular mass of the unknown gas is:

ETEA 2018
Chemistry
States of Matter – Gases, Liquids and Solids
Diffusion And Effusion
Elimination Tool:

A) 50
B) 10
C) 15
D) 25

The compound of manganese with zero reducing power is:

ETEA 2018
Chemistry
d and f Block Elements
Elimination Tool:

A) KMnO4
B) MnO2
C) MnCl2
D) Mn2(SO4)3

Whenever Pb shows inert pair effect it always form:

ETEA 2018
Chemistry
s and p Block Elements
General Behaviour of Alkali and Alkaline Earth Metals
Elimination Tool:

A) Ionic bond
B) Covalent bond
C) Co-ordinate covalent bond
D) Metallic bond

If the pH of the solution is 9 its OH− ions concentration is:

ETEA 2018
Chemistry
Acids, Bases and Salts
Buffer Solutions and Their Applications
Elimination Tool:

A) 10−5
B) 5
C) 10−9
D) 9

The compound with more than 10% solubility in pure water is:

ETEA 2018
Chemistry
Solution and Colloids
Concentration Units of Solutions
Elimination Tool:

A) M???3
B) A?2(??3)3
C) K2??3
D) ????3

During the formation of aqueous solution of any electrolyte:

ETEA 2018
Chemistry
Thermochemistry
Heat Capacity and Calorimetry
Elimination Tool:

A) Heat is evolved
B) Heat is absorbed
C) Heat may evolved or absorbed
D) Electrolyte do not dissolve in water

We have three test tubes having aqueous solutions of Ca(NO3)2, Ba(NO3)2 and K2CO3 respectively. On addition of dil H2SO4. Which test tube solution turns milky?

ETEA 2018
Chemistry
s and p Block Elements
General Behaviour of Alkali and Alkaline Earth Metals
Elimination Tool:

A) Ca(NO3)2 solution
B) Ba(NO3)2 solution
C) K2CO3 solution
D) All turned milky

During the formation of addition polymerization, which smaller molecules you think are eliminated:

ETEA 2018
Chemistry
Macromolecules
Types of Polymers
Elimination Tool:

A) H2O
B) HCl
C) NH3
D) No one is eliminated

The aqueous solution of which of the following electrolyte will conduct electric current to large extent:

ETEA 2018
Chemistry
Solution and Colloids
Concentration Units of Solutions
Elimination Tool:

A) ??(??)2
B) ?2??3
C) N?4??
D) N?4?H

Addition of soluble impurities into a liquid and solid respectively causes:

ETEA 2018
Chemistry
Thermochemistry
Heat Capacity and Calorimetry
Elimination Tool:

A) Increase in boiling point of liquid and decrease in melting point of solid
B) Increase in both boiling and melting points
C) Decrease in boiling point of liquid and increase in melting point of solid

D) Decrease in both boiling and melting points

The equation used to describe the behavior of ideal gases under standard conditions is:

ETEA 2018
Chemistry
States of Matter – Gases, Liquids and Solids
Gas Laws and General Gas Equation
Elimination Tool:

A) P? = ??T
B) ?? = ??T
C) ??? = ??T
D) All of the above

The elevation in boiling point ∆?? is equal to ebullioscopic constant ?? when the Molarity (?) of the solution is:

ETEA 2018
Chemistry
Solution and Colloids
Concentration Units of Solutions
Elimination Tool:

A) 0.1m
B) 1.0m
C) 10.0m
D) Statement is wrong

Students were decomposing ????3 placed in a China dish by heating using burner in the laboratory. The “system” in this experiment is:

ETEA 2018
Chemistry
Thermochemistry
System, Surrounding and State Function
Elimination Tool:

A) China dish
B) Burner
C) Laboratory
D) ????3

The nuclei you think is invisible in NMR spectroscopy is:

ETEA 2018
Chemistry
Analytical Chemistry
Modern Methods of Analysis
Elimination Tool:

A) ?14
B) ?31
C) ??35
D) C13

Reactants in a transition state:

ETEA 2018
Chemistry
Reaction Kinetics
Rate and velocity of chemical reaction
Elimination Tool:

A) Always change to product
B) Return back to reactants
C) May return to reactants or proceeds to form products
D) Are of low energy

The oxidation state of platinum in [Pt(NH3)4(NO2)Cl]SO4 is:

ETEA 2018
Chemistry
d and f Block Elements
Elimination Tool:

A) III
B) II
C) 0
D) IV

The reducing agent in the reaction given, ????4 + ?? + ?2??4 ⟶ ????4 + ?2??4 +?2 + ?2? is:

ETEA 2018
Chemistry
Electrochemistry
Redox Equations
Elimination Tool:

A) ????4
B) ??
C) ?2??4
D) ?? and ?2??4 both

The energy of electron in the first excited state of Hydrogen atom in J/atom is:

ETEA 2018
Chemistry
Atomic Structure
Experiments in Atomic Struture
Elimination Tool:

A) 2.8 × 10−18
B) 0.545 × 10−18
C) −2 ∙ 18 × 10−18
D) −1312 ∙ 36

Whenever nitrile group is hydrolysed (??? ???) with water it always produces:

ETEA 2018
Chemistry
Carboxylic Acids and its Derivatives
Elimination Tool:

A) Alcohol
B) Carboxylic acid
C) Amines
D) Amides

By the absorption of visible light, which of the following compounds gives smogy air and has brown tint?

ETEA 2018
Chemistry
s and p Block Elements
Elimination Tool:

A) NO
B) ??3
C) ??−3
D) ??2

??− + ?2?5 − ? ⟶ ?2?5 − ?? + ?−

One of the species in the above reaction is a substrate. It is:

ETEA 2018
Chemistry
Alkyl Halides and Amines
Reactivity and Reactions of Alkyl Halides
Elimination Tool:

A) ??−
B) ??3 − ??2 − ?H
C) ?−
D) C?3 − ??2 − I

The most reactive compound out of the following is:

ETEA 2018
Chemistry
Alcohols, Phenols and Ethers
Elimination Tool:

A) Ortho hydroxy toluene
B) Ortho chloro ethyl benzene
C) Phenol
D) Para ethyl benzoic acid

If the required excitation voltage is given, for which element the x − rays spectrum consists of three spectral lines i.e. Kα Kβ Lα :

ETEA 2018
Chemistry
Atomic Structure
Atomic Spectrum
Elimination Tool:

A) Na
B) Boron
C) K
D) Ca

Three reactions are given

i. H2SO4 + 2HF ⟶ F2 + SO2 + 2H2O

ii. H2SO4 + 2HBr ⟶ Br2 + SO2 + 2H2O

iii. H2SO4 + 8HI ⟶ 4I2 + H2S + 4H2O

The strongest reducing agent in these reactions is:

ETEA 2018
Chemistry
s and p Block Elements
General Behaviour of Alkali and Alkaline Earth Metals
Elimination Tool:

A) HI
B) HF
C) HBr
D) All of the above

Students calculated the cell voltage for the reaction, ??2 + 2???? ⟶ 2???? + ??2 through the formula ?°????= ?°???+ ?°??? the answer was negative. It means that:

ETEA 2018
Chemistry
Electrochemistry
Redox Equations
Elimination Tool:

A) The reaction is non spontaneous and feasible
B) The reaction is non spontaneous and not feasible
C) The reaction is spontaneous and feasible
D) The reaction is spontaneous and not feasible

The type of isomerism present in the compound given, is:

ETEA 2018
Chemistry
Fundamental Principles of Organic Chemistry
Introduction to Fundamental Principles of Organic Chemistry
Elimination Tool:

A) Structural
B) Optical
C) Stereo
D) None of the above

Compound in which addition takes place through Markovnikov’s rule is:

ETEA 2018
Chemistry
Alkyl Halides and Amines
Reactivity and Reactions of Alkyl Halides
Elimination Tool:

A) C?3 − ?? = ?? − ?H3
B) C?3 − ?(??3) = ?? − ??3
C) C2?5 − ?? = ?? − ??3
D) C?3 − ?? = ?? − ?3?7

The minimum energy below which no reaction occur in reactants molecules is:

ETEA 2018
Chemistry
Reaction Kinetics
Rate and velocity of chemical reaction
Elimination Tool:

A) Average K. E of the molecules
B) Potential energy of the molecules
C) Free energy of the molecules
D) Activation energy of the molecules

The outer electronic configuration of Cu+ ion is 4S03d10 with this configuration the aqueous solution of copper (I) compound is:

ETEA 2018
Chemistry
d and f Block Elements
Elimination Tool:

A) Blue
B) Greenish blue
C) Bluish green
D) Colourless

Evaporation depends upon:

ETEA 2018
Chemistry
Chemical Bonding
Energetics of Bond Formation
Elimination Tool:

A) Surface area
B) Temperature
C) Both (A) & (B)
D) None of the above

The cation that distort the electron cloud of NO3− ion more and facilitates its decomposition is:

ETEA 2018
Chemistry
s and p Block Elements
General Behaviour of Alkali and Alkaline Earth Metals
Elimination Tool:

A) Li+
B) Mg++
C) Cs+
D) Be++

Unhybrid “P” orbitals on linear overlape:

ETEA 2018
Chemistry
Chemical Bonding
VSEPR Theory
Elimination Tool:

A) Always form Pi(π) bond
B) Always form Sigma(a) bond
C) Neither form “a” nor “π” bond
D) Form more reactive and more unstable “π” bond

Regarding reactivity of the compounds having carbonyl group. The most reactive compound out of the following is:

ETEA 2018
Chemistry
Carboxylic Acids and its Derivatives
Elimination Tool:

A) A
B) B
C) C
D) D

The amine which is more reactive towards ?? is: