A shell of mass m moving with velocity v suddenly breaks into two pieces. The part having mass m/4 remains stationary. The velocity of the other shell will be:

ETEA 2019
Physics
Forces and Motion
Momentum and Explosive Forces
Elimination Tool:

A) v
B) 2v
C) 3v/4
D) 4v/3

Which of the following is not E.M wave?

ETEA 2019
Physics
Electromagnetic Waves
Production of electromagnetic waves
Elimination Tool:

A) Radio waves
B) X-rays
C) Light waves
D) Sound waves

A hail and a rain drop of the same radius are released from the same height, the rain drop will reach

ETEA 2019
Physics
Elimination Tool:

A) Before hail
B) After hail
C) At the same time
D) None of the above

Projectile is thrown in such a way that its maximum height equals to its range, the angle of projection is

ETEA 2019
Physics
Motion in Two Dimensions
Maximum height and range of projectile
Elimination Tool:

A) Tan-1 (45)
B) Tan-1 (60)
C) Tan 1 (30)
D) None

The electric field strength between a pair of plates is E” If the separation of the plates is doubled and potential difference between the plates is increased by factor of four, the new field strength is

ETEA 2019
Physics
Electrostatics
Elimination Tool:

A) E
B) 2E
C) 4E
D) 8E

An a-particle is accelerated through a potential difference of 106 volts, K.E is

ETEA 2019
Physics
Nuclear Physics
Radioactivity
Elimination Tool:

A) 1 MeV
B) 2 MeV
C) 4 MeV
D) 8 MeV

Heat and work are equivalent. This means

ETEA 2019
Physics
Heat and Thermodynamics
Work and Heat
Elimination Tool:

A) When we supply heat to a body we do work on it
B) When we do work on a body we supply heat to it
C) The temperature of a body can be increased by doing work on it
D) Heat and work are not inter convertible

At what angle two forces 2F and square root of 2F must act sc that their resultant is F * square root of 10

ETEA 2019
Physics
Circular Motion & Momentum
Elimination Tool:

A) π/4
B) π/2c
C) 2π
D) None of them

Sadia wore her rain boots; ________ her feet stayed dry during the storm

ETEA 2019
English
Fill in the blank
Elimination Tool:

A) However
B) Therefore
C) On the other hand
D) Still

Two meter high tank is full of water. A hole is made in the middle of the tank. The speed of efflux is

ETEA 2019
Physics
Elimination Tool:

A) 4.9 m/s
B) 9.8 m/s
C) 4.42 m/s
D) 3.75 m/s

The general form of path difference in young’s double slit experiment is “mλ” Its corresponding phase shift (in radians) is

ETEA 2019
Physics
Elimination Tool:

A) mπ
B) 2 mπ
C) mπ/2
D) None

If the wavelength of a transverse is 2cm and the period is 2 seconds then the wave speed in CGS is

ETEA 2019
Physics
Wave Motion and Sound
Stationary Waves
Elimination Tool:

A) 0.1cms-1
B) 0.2cms-1
C) 11 cms-1
D) 1 cms-1

The cyclotron frequency of an electron projected with velocity’ perpendicular to a magnetic field B is given by

ETEA 2019
Physics
Magnetism and Electromagnetic Induction
Motion of a Charged Particle in an Electric and Magnetic Field
Elimination Tool:

A) f= mB/πC
B) f= 2πeB/m
C) f= eB/2πm
D) f= 2πc/mB

When 20J of work was done on a gas, 40J of heat energy was released If the initial internal energy of the gas was 70J. what is the final internal energy?

ETEA 2019
Physics
Heat and Thermodynamics
First Law of Thermodynamics
Elimination Tool:

A) 50J
B) 60J
C) 90J
D) 110J

Two wires A and B are made of same material. The wire A has a length I, and diameter R while the wire B has a length 2L and diameter R/2. If the two wires are stretched by the same force. the elongation in A divided by the elongation in B is

ETEA 2019
Physics
Current Electricity
Wire Wound Variable Resistors
Elimination Tool:

A) ⅛
B) ¼
C) 4
D) 8

The velocity time plot for a particular moving on a straight line is shown in the figure:

ETEA 2019
Physics
Forces and Motion
Velocity-Time Graph
Elimination Tool:

A) The particle has a constant acceleration.
B) The particle has never turned around.
C) The particle has zero displacement.
D) The data is insufficient.

Mark out the correct option

ETEA 2019
Physics
Wave Motion and Sound
Stationary Waves
Elimination Tool:

A) The energy of any small part of a string remains constant in a travelling wave
B) The energy of any small part of a string remains constant in standing wave
C) The energies of all small parts of equal length are equal in a travelling wave
D) The energies of all small parts of equal length are equal in a travelling wave

A wire can sustain the weight of 20kg before breaking. If the wire is cut into two equal parts, each part can sustain a weight of

ETEA 2019
Physics
Forces and Motion
Equations of Uniformly Accelerated Motion
Elimination Tool:

A) 10kg
B) 20kg
C) 40kg
D) 80kg

A system can be taken from the initial state P1V1 to the final state P2V2 by two different methods. Let Q and W represent the heat given to the system and the work done by the system.

Which of the following must be the same in both the methods?

ETEA 2019
Physics
Heat and Thermodynamics
First Law of Thermodynamics
Elimination Tool:

A) Q
B) W
C) Q + W
D) Q – W

If there are “n” capacitors each of capacity “c” connected in parallel to “V” volts source then energy stored is equal to

ETEA 2019
Physics
Electrostatics
Elimination Tool:

A) CV
B) ½ nCV2
C) CV2
D) CV2/2n

If A, B = 1/2 AB then angle between A and B is

ETEA 2019
Physics
Work, Power & Energy
Elimination Tool:

A) Zero
B) 30
C) 60
D) 90

In order to increase the stopping potential, there should be increase in

ETEA 2019
Physics
Dawn of Modern Physics
Elimination Tool:

A) Intensity of radiation
B) Wavelength
C) Frequency of radiation
D) Both wavelength and intensity

Time required by the projectile to reach the summit point is:

ETEA 2019
Physics
Motion in Two Dimensions
Applications of projectile motion
Elimination Tool:

A) T = square root of (2H/g)
B) T = square root of (3H/g)
C) T= square root of (4H/g)
D) T = square root of (H/g)

Choose the wrong statement, the escape velocity of body from a planet depend upon

ETEA 2019
Physics
Circular Motion & Momentum
Elimination Tool:

A) The mass of a body
B) The mass of the planet
C) The average radius of the planet
D) The density of the planet

Two blocks “A” and “B” having masses 3kg and 4kg are raised to the same height from earth surface. The ratio of gravitational potential of “A” to that of “B” is

ETEA 2019
Physics
Circular Motion & Momentum
Elimination Tool:

A) 3:4
B) 4:3
C) 1:1
D) None

Two satellites of masses “3M” and “M” orbit the earth in a circular orbit of radius Y and “3r” respectively, the ratio of their speed is:

ETEA 2019
Physics
Circular Motion & Momentum
Elimination Tool:

A) 1:1
B) Square root of 3 :1
C) 3:1
D) 9:1

A car battery has EMF of 12 volts and internal resistance 5x 10-2 ohm. If it draws 60 ampere current, then terminal voltage of the battery will be:

ETEA 2019
Physics
Current Electricity
Electomotive Force and Potential Difference
Elimination Tool:

A) 5 volts
B) 3 volts
C) 15 volts
D) 9 volts

A train is 200m long and is moving with uniform velocity of 36 km/h the time it will take to cross a bridge of 1 km is

ETEA 2019
Physics
Forces and Motion
Displacement, Velocity and Acceleration
Elimination Tool:

A) 100 sec
B) 120 sec
C) 60 sec
D) 50 sec

Car “X” is travelling at half the speed of car “Y” and mass of car X is twice as compared to the mass of car ‘Y”. Which of the following statements is correct?

ETEA 2019
Physics
Forces and Motion
Displacement, Velocity and Acceleration
Elimination Tool:

A) Car “X’ has half of the kinetic energy of car “Y’
B) Car “X” has one quarter of the K.E of car “Y”
C) Car ‘X” has twice the K.E of car “Y’
D) The two cars have the same KE

The optimum pH of enzyme urease is

ETEA 2019
Enzymes
Biology
Elimination Tool:

A) 7.8-8.7
B) 7.0
C) 4.5
D) 8.0

Two springs A and B (kA​=2kB​) are stretched by applying forces of equal magnitudes at the four ends. If the energy stored in A is E, then in B is (assume equilibrium):

ETEA 2019
Physics
Elimination Tool:

A) E/2
B) 2E
C) E
D) E/4

Sorry she can’t come to the phone. She ______ a bath!

ETEA 2019
English
Fill in the blank
Elimination Tool:

A) Is having
B) Having
C) Have
D) Has

Choose the word opposite in meaning to “VOCIFEROUS”

ETEA 2019
English
Key Vocabulary
Elimination Tool:

A) Silent
B) Boisterous
C) Blatant
D) Noisy

Anum asked me, “Did you see the drama on television last night?” [Choose the correct indirect speech]

ETEA 2019
English
Grammar and Punctuation
Elimination Tool:

A) Anum asked me whether I saw the drama on television the earlier night.
B) Anum asked me whether I had seen the drama on television the earlier night.
C) Anum asked me did I see the drama on television the last night.
D) Anum asked me whether I had seen the drama on television the last night.

Look! A hamster ______ by cat

ETEA 2019
English
Fill in the blank
Elimination Tool:

A) Has been chased
B) Was being chased
C) Is being chased
D) Is chased

Choose the word nearest in meaning to ENIGMA”

ETEA 2019
English
Key Vocabulary
Elimination Tool:

A) Evaluation
B) Puzzle
C) Answer
D) Account

The train was __________

ETEA 2019
English
Fill in the blank
Elimination Tool:

A) Halt
B) Halted
C) Had halted
D) Has halted

He said. ”you need not wait”. Choose the correct indirect speech

ETEA 2019
English
Fill in the blank
Elimination Tool:

A) He said that I need not wait
B) He said you needed no wait
C) He said that wait was not need by you
D) He said that you must not wait

I was born in Peshawar but I ________ most of my childhood in the Mardan

ETEA 2019
English
Fill in the blank
Elimination Tool:

A) Spends
B) Have spent
C) Was spending
D) Is spending

______ you win first place. you will receive a prize

ETEA 2019
English
Fill in the blank
Elimination Tool:

A) Whenever
B) If
C) Unless
D) So forth

I’m sorry the house is not available any longer, It ______ to timber tycoon

ETEA 2019
English
Fill in the blank
Elimination Tool:

A) Was being sold
B) Will be sold
C) Is sold
D) Has been sold

They already _________ some of the old ones and ________ them more comfortable

ETEA 2019
English
Fill in the blank
Elimination Tool:

A) Repair, make
B) Repaired, made
C) Repaired, make
D) Repair, made

Do not make so much noise, Farrah __________ to study for her ESL test!

ETEA 2019
English
Fill in the blank
Elimination Tool:

A) Try
B) Tries
C) Tried
D) Is trying

He confided __________ me

ETEA 2019
English
Fill in the blank
Elimination Tool:

A) About
B) In
C) On
D) Of

It is natural for us to exert _________ our own success

ETEA 2019
English
Fill in the blank
Elimination Tool:

A) In
B) At
C) Against
D) Regarding

Choose the correct sentence

ETEA 2019
English
Tenses and Sentence Structure
Elimination Tool:

A) He is clever but he lacks experiences
B) He is clever but he is lacking experience
C) He is clever but he is lacked experience
D) He is clever but he is lack experience

The simplest form of learning is

ETEA 2019
Coordination and Control
Biology
Nature and Types of Behaviour
Elimination Tool:

A) Imprinting
B) Insight learning
C) Latent learning
D) Habituation

I always liked to lean ________ the side of mercy

ETEA 2019
English
Fill in the blank
Elimination Tool:

A) Over
B) On
C) Towards
D) About

When I went back to my hometown three years ago, I found that a lot of changes ________

ETEA 2019
English
Fill in the blank
Elimination Tool:

A) Had taken place
B) Have taken place
C) Are taken place
D) Were taken place

Zara changed the flat tire. [Choose the correct voice]

ETEA 2019
English
Grammar and Punctuation
Elimination Tool:

A) The flat tire was changed by Zara
B) The flat tire is changed by Zara
C) The flat tire has been changed by Zara
D) The flat tire had changed by Zara

Find mismatch

ETEA 2019
Biology
Elimination Tool:

A) Thyroid gland-T3 and T4
B) Parathyroid gland-Calcitonin
C) Pancreas-Insulin
D) Gonads-Testes and ovaries

Second meiotic division in oocyte is completed:

ETEA 2019
Biology
Reproduction
Reproduction in Females
Elimination Tool:

A) When oocyte is fertilized by sperm
B) When ovum is discharged from the ovary
C) Just before fertilization
D) Before the onset of menstruation

Excess glucose is converted in the liver to glycogen in response to the hormone

ETEA 2019
Biology
Biological Molecules
Carbohydrates
Elimination Tool:

A) Glucagon
B) Insulin
C) Bile
D) Both Glucagon and Insulin

Ebner’s gland on the dorsal surface of the tongue secrete an enzyme

ETEA 2019
Biology
Nutrition
Digestion and Absorption
Elimination Tool:

A) Amylase
B) Ptyalin
C) Lingual lipase
D) Both Amylase and Ptyalin

During muscles relaxation the calcium ions are

ETEA 2019
Biology
Support and Movement
Ultrastructure & Mechanism of Skeletal Muscle Contraction
Elimination Tool:

A) Released from sarcoplasmic reticulum into Sarcoplasm
B) Forced back from the sarcoplasm to sarcoplasmic reticulum
C) Further Forced from sarcoplasmic reticulum into sarcoplasm
D) Neither released more nor forced back but remain constant

Which one of the following is the correct oxidation state of Mn in KMnO4?

ETEA 2019
Chemistry
Electrochemistry
Oxidation Number or State
Elimination Tool:

A) -6
B) 7
C) 9
D) 10

What will be the geometrical shape of a molecule that contains two lone pairs and two bond pairs of electron in valence shell of central atom?

ETEA 2019
Chemistry
Chemical Bonding
VSEPR Theory
Elimination Tool:

A) Tetrahedral
B) Trigonal pyramidal
C) Angular
D) Linear

Acetabularia crenulata has a shaped cap

ETEA 2019
Biology
Growth and Development
Growth and Development in Plants
Elimination Tool:

A) Irregular
B) Umbrella
C) Regular
D) Disc

The gametophyte of lycopsida is mainly

ETEA 2019
Biology
Kingdom Plantae
Lycopsida
Elimination Tool:

A) Aerial
B) Partly aerial and partly underground
C) Underground
D) Photosynthetic

Recombinants contains DNA from

ETEA 2019
Biology
Chromosomes and DNA
DNA Replication
Elimination Tool:

A) 2 different sources
B) Single source
C) 2 same sources
D) 3 same sources

DNA finger printing refer to

ETEA 2019
Biology
Biotechnology
Elimination Tool:

A) Techniques used for identification of finger prints of individuals
B) Molecular analysis of profiles of DNA samples
C) Analysis of DNA samples using imprinting devices
D) Both Techniques used for identification of finger prints of individuals and Analysis of DNA samples using imprinting devices

Opossum and koala bear belongs to sub-class

ETEA 2019
Biology
Kingdom Animalia
Phylums – porifera to chordata
Elimination Tool:

A) Prototheria
B) Eutheria
C) Metatheria
D) Monotremata

Ozone layer in upper atmosphere is being destroyed by

ETEA 2019
Biology
Chemistry of Life
Minerals of Biological Signifance
Elimination Tool:

A) Chlorofluorocarbon
B) Freon
C) Smog
D) Both a and b

The bond that is formed b/w two monosaccharide units is called

ETEA 2019
Biology
Biological Molecules
Carbohydrates
Elimination Tool:

A) lonic bond
B) Hydrogen bond
C) Peptide bond
D) Glycosidic bond

All of the following are macronutrient except

ETEA 2019
Biology
Biology and its major fields of specialization
Elimination Tool:

A) Cu ions
B) Ca ions
C) Mg ions
D) K ions

Independent gametophyte and sporophyte are found in

ETEA 2019
Biology
Kingdom Plantae
Classification of Plantae
Elimination Tool:

A) Selaginella
B) Polytrichum
C) Ectocarpus
D) Liverworts

Some marine fishes possess salt excreting organs known as

ETEA 2019
Biology
Elimination Tool:

A) Thyroid gland
B) Pituitary gland
C) Adrenal gland
D) Rectal gland

Phosphatases belong to which group of the following

ETEA 2019
Biology
Bioenergetics
Elimination Tool:

A) Lyases
B) Ligases
C) Hydrolases
D) None

Amphibians are poikilotherms, therefore they use to hibernate in

ETEA 2019
Biology
Homeostasis
Thermoregulation
Elimination Tool:

A) Winter
B) Summer
C) Autumn
D) Spring

A bacterium which has a group of two or more flagella inserted at one pole of the cell

ETEA 2019
Biology
Kingdom Prokaryote
Motility and Nutrition in Bacteria
Elimination Tool:

A) Monotrichous
B) Peritrichous
C) Lophotrichous
D) Amphitrichous

The larva formed during the life cycle of annelida is

ETEA 2019
Biology
Kingdom Animalia
Phylums – porifera to chordata
Elimination Tool:

A) Glochidium larva
B) Bipinnaria larva
C) Trochophore larva
D) Tomaria larva

The following histone proteins form a nucleosome complex except

ETEA 2019
Biology
Chromosomes and DNA
Types & Composition of Chromosomes
Elimination Tool:

A) H1
B) H2A
C) H2B
D) H3

A condition in which an abnormally large volume of urine is produced is

ETEA 2019
Biology
Homeostasis
Structure and Importance of the Kidney
Disorders of the Urinary Tract
Elimination Tool:

A) Polydipsia
B) Polyuria
C) Polyphagia
D) Polyanypsida
E) Both A and B

Lipid bilayer makes the membrane differently permeable barrier that allows the transport of

ETEA 2019
Biology
Cell Structure and Function
Plasma Membrane
Elimination Tool:

A) lonic materials
B) Polar materials
C) Non-polar materials
D) Glycoproteins

In humans the disease symptoms develop during the:

ETEA 2019
Biology
Kingdom Prokaryote
Growth and Reproduction in Bacteria
Elimination Tool:

A) Log phase
B) Lag phase
C) Growth phase
D) Decline phase

The alveoli represent total surface area of

ETEA 2019
Biology
Elimination Tool:

A) 10-30m
B) 30-60m
C) 70-90m
D) 90-110m

___________ enzyme needs a primer for the initiation of its function

ETEA 2019
Biology
Chromosomes and DNA
Translation
Elimination Tool:

A) RNA polymerase
B) DNA polymerase
C) Primase
D) Ligase

The possible reason(s) for cyanosis, one of congenital heart disease is

ETEA 2019
Biology
Transport
Elimination Tool:

A) Formation of carboxy-hemoglobin
B) The high concentration of oxyhemoglobin
C) Low level of CO
D) Low level of hemoglobin

Chitin is a

ETEA 2019
Biology
Biological Molecules
Carbohydrates
Elimination Tool:

A) Lipoprotein
B) Polysaccharides
C) Glycoprotein
D) Phospholipids

Potamogeton is an example of _________

ETEA 2019
Biology
Homeostasis
Osmoregulation
Elimination Tool:

A) Xerophytes
B) Mesophytes
C) Hydrophytes
D) Halophytes

The form of immunity which inherit from mother is

ETEA 2019
Biology
Transport
Elimination Tool:

A) Active immunity
B) Passive immunity
C) Acquired immunity
D) Innate immunity

The percentage of fresh water on earth is

ETEA 2019
Biology
Homeostasis
Osmoregulation
Elimination Tool:

A) 1%
B) 3%
C) 5%
D) 7%

The ribosomes responsible for protein synthesis are present in the cell

ETEA 2019
Biology
Cell Structure and Function
Cytoplasm and Organelles
Elimination Tool:

A) Floating in the cytosol
B) Localized in the nucleus
C) Bound to rough endoplasmic reticulum
D) Both floating in the cytosol and bound to rough endoplasmic reticulum

Diphtheria vaccines is an example of:

ETEA 2019
Biology
Transport
Elimination Tool:

A) Inactivated vaccine
B) Toxoid vaccine
C) Subunit vaccine
D) Live, attenuated vaccine

In male luteinizing hormone also known as

ETEA 2019
Biology
Reproduction
Reproduction in Males
Elimination Tool:

A) ACTH
B) ICSH
C) TRF
D) MSH

The number of human spinal nerves is

ETEA 2019
Biology
Coordination and Control
Central Nervous System
Elimination Tool:

A) 60
B) 62
C) 64
D) 66

The deficiency of which micronutrient causes goiter formation?

ETEA 2019
Biology
Coordination and Control
Endocrine System and its Hormones
Elimination Tool:

A) Iron
B) Zinc
C) lodine
D) Sodium

The vagus nerve is part of which system?

ETEA 2019
Biology
Coordination and Control
Coordination in Animals
Elimination Tool:

A) Sympathetic nervous system
B) Parasympathetic nervous system
C) Somatic nervous system
D) None of the above options are correct

Which one of the following items gives its correct total number?

ETEA 2019
Biology
Support and Movement
Human Skeleton
Elimination Tool:

A) Cervical vertebrae -7
B) Floating ribs in human – 3
C) Auditory ossicles – 8
D) Cranium bones – 4

Which one of the following gas has the highest rate of diffusion at the same temperature and pressure?

ETEA 2019
Chemistry
States of Matter – Gases, Liquids and Solids
Diffusion And Effusion
Elimination Tool:

A) HCL
B) CO2
C) C2H2
D) C2H6

The inner surface of kidney has a deep notch called

ETEA 2019
Biology
Homeostasis
Structure and Importance of the Kidney
Elimination Tool:

A) Renal pelvis
B) Hilus
C) Medulla
D) Pyramid

_________ is stored in animal cells

ETEA 2019
Biology
Biological Molecules
Carbohydrates
Elimination Tool:

A) Starch
B) Cellulose
C) Sucrose
D) Glycogen

Quantum number which describes the orientation of orbitals in three dimensional space is

ETEA 2019
Chemistry
Atomic Structure
Plancks Quantum Theory
Elimination Tool:

A) Spin quantum number
B) Azimuthal quantum number
C) Magnetic quantum number
D) Principal quantum number

Mark the correct match

ETEA 2019
Biology
Transport
Elimination Tool:

A) Haemophilia – Blood cancer
B) SA node – Pacemaker
C) ECG – Brain
D) Alpha cell – Insulin

At higher altitude, the boiling point of water is less than 100°C. This is because of:

ETEA 2019
Chemistry
States of Matter – Gases, Liquids and Solids
Boiling Point and Vapor Pressure
Elimination Tool:

A) Higher atmospheric pressure
B) Weak hydrogen bonding
C) No change in atmospheric pressure
D) Lower atmospheric pressure

The least toxic excretory product is

ETEA 2019
Biology
Homeostasis
Excretion in Animals
Elimination Tool:

A) Ammonia
B) Urea
C) Uric acid
D) Fatty acid

Oleic acid is a fatty acid with 18 carbon atoms. It breaks down into 9 acetyl groups. It is estimated that these nine acetyl groups would generate _______ ATP molecules

ETEA 2019
Biology
Bioenergetics
Respiration Mechanism – Glycolysis to Electron Transport Chain
Elimination Tool:

A) 81
B) 98
C) 101
D) 108

DNA polymerase III works always in

ETEA 2019
Biology
Chromosomes and DNA
DNA Replication
Elimination Tool:

A) 5 – 2′ direction
B) 5′- 3′ direction
C) 3′- 5 direction
D) 2 – 5 direction

In the human skull the unpaired bones are

ETEA 2019
Biology
Support and Movement
Human Skeleton
Elimination Tool:

A) Frontal, occipital, ethmoid and sphenoid
B) Frontal, ethmoid, sphenoid and zygomatic
C) Ethmoid, sphenoid, zygomatic and frontal
D) Temporal, sphenoid, frontal and ethmoid

Cells which kills cells that display foreign motifs on their surface are

ETEA 2019
Biology
Transport
Elimination Tool:

A) Platelets
B) Cytotoxic T cells
C) Antigens
D) Red blood cell

Tmesipteris is an example of

ETEA 2019
Biology
Kingdom Plantae
Pteropsida
Elimination Tool:

A) Horsetail
B) Club mosses
C) Psilopsida
D) Pteropsida

The biogas plant is tank which is

ETEA 2019
Biology
Transport
Elimination Tool:

A) 5-10 ft deep
B) 10-15 ft deep
C) 15-20 ft deep
D) 20-25 ft deep

Horsetails are included in class

ETEA 2019
Biology
Kingdom Plantae
Sphenopsida
Elimination Tool:

A) Pteropsida
B) Lycopsida
C) Psilopsida
D) Sphenopsida

Which statement about chlorophyll is not true?

ETEA 2019
Biology
Bioenergetics
Photosynthetic pigments
Elimination Tool:

A) It contains terminal carbonyl group
B) It contains phyto tail
C) It contains porphyrin ring
D) It contains magnesium

Tetanus is the infection of

ETEA 2019
Biology
Support and Movement
Disorders of Skeleton
Elimination Tool:

A) Respiratory system
B) Nervous system
C) Circulatory system
D) Bones and muscles

The genome of influenza virus is made up of

ETEA 2019
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) Single strand RNA
B) Double strand DNA
C) Single strand DNA
D) Double stranded RNA

Which wave lengths are mainly absorbed by chlorophyll?

ETEA 2019
Biology
Bioenergetics
Photosynthetic pigments
Elimination Tool:

A) Violet blue and red
B) Green and blue
C) Violet and orange
D) Red and indigo

Sulphur bacteria belongs to sun group of bacteria called

ETEA 2019
Biology
Kingdom Prokaryote
Taxonomy, Ecology & Diversity of Bacteria
Elimination Tool:

A) Beta-proteo bacteria
B) Alpha proteobacteria
C) Gamma proteo bacteria
D) Delta proteo bacteria

For hepatitis B the incubation period is between

ETEA 2019
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) 4 and 20 weeks
B) 6 and 20 weeks
C) 2-26 weeks
D) 2-6 weeks

Hypothalamus connected to pituitary gland via:

ETEA 2019
Biology
Coordination and Control
Central Nervous System
Elimination Tool:

A) Nerves
B) Infundibulum
C) Blood
D) No connection

Particular amino acid and RNA molecule binds together by the action of an enzyme named

ETEA 2019
Biology
Chromosomes and DNA
Translation
Elimination Tool:

A) tRNA synthetase
B) Amino tRNA synthetase
C) tRNA ligase
D) Aminoacyl tRNA synthetase

Lichen is the symbiotic association of fungus with

ETEA 2019
Biology
Kingdom Fungi
Characteristics of Fungi
Elimination Tool:

A) Bacteria
B) Algae
C) Other fungus
D) Animals

The scientific name of freshwater mussel is

ETEA 2019
Biology
Kingdom Animalia
Phylums – porifera to chordata
Elimination Tool:

A) Mytilus edulis
B) Loligo peali
C) Anodonta grandis
D) Anodonta bairdi

Chemically hormones are

ETEA 2019
Biology
Coordination and Control
Endocrine System and its Hormones
Elimination Tool:

A) Carbohydrates
B) PSteroidsroteins
C) Steroids
D) Both Proteins and Steroids

A man has to face interview, but during his first five minutes before the interview he experiences sweating, increased heart rate and respiration. Which hormone is responsible for his restlessness

ETEA 2019
Biology
Coordination and Control
Endocrine System and its Hormones
Elimination Tool:

A) Adrenocorticotropic hormone
B) Insulin and glucagon
C) Epinephrine and norepinephrine
D) Aldosterone

Platyhelminthes are

ETEA 2019
Biology
Kingdom Animalia
Phylums – porifera to chordata
Elimination Tool:

A) Bilaterally symmetrical and diploblastic
B) Bilaterally symmetrical and triploblastic
C) Radially symmetrical and triploblastic
D) Radially symmetrical and diploblastic

The safranin stain is usable for

ETEA 2019
Biology
Cell Structure and Function
Elimination Tool:

A) Fungal hyphae
B) Cytoplasm/Cellulose
C) Blood cells
D) Lignin

_________ and cytokinins stimulates fruit ripening

ETEA 2019
Biology
Reproduction
Reproduction in Plants
Elimination Tool:

A) Cytokinins
B) Abscisic acid
C) Ethylene
D) Auxin

How many pairs of homologous chromosomes are present in Pisum sativum

ETEA 2019
Biology
Variation and Genetics
Mendelian Inheritance
Elimination Tool:

A) Seven pairs
B) Eight pairs
C) Nine paris
D) Ten pairs

A pure breeding tall plant was crossed to dwarf plant. What would be the probability of “Tt” genotype n F2?

ETEA 2019
Biology
Variation and Genetics
Mendelian Inheritance
Elimination Tool:

A) 0
B) 0.25
C) 0.5
D) 0.75

The following are sexual reproduction methods in bateria except

ETEA 2019
Biology
Kingdom Prokaryote
Growth and Reproduction in Bacteria
Elimination Tool:

A) Transformation
B) Transduction
C) Binary fission
D) Conjugation

HIV destroys a type of defense cell in the body called ________ helper lymphocyte

ETEA 2019
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) TD4
B) T4
C) C4
D) CD4

Purkinje fibres are connected with the impulse conducting system of

ETEA 2019
Biology
Transport
Elimination Tool:

A) Heart
B) Brain
C) Skin
D) Nephron

Galantamine hydrobromide is a compound derived

ETEA 2019
Biology
Transport
Elimination Tool:

A) Cannabis
B) Coca
C) English yew
D) Daffodil

To the end of the first trimesters the embryo can now technically describe as a

ETEA 2019
Biology
Growth and Development
Embryonic Development
Elimination Tool:

A) Zygote
B) Infant
C) Toddler
D) Fetus

Which one of the following bone is the only movable portion of the skull?

ETEA 2019
Biology
Support and Movement
Types of Joints
Elimination Tool:

A) Maxilla
B) Frontal bone
C) Mandible
D) Zygomatic

Functionally _______ pairs of cranial nerves are sensory in nature and ________ pairs are mixed in nature and _________ are motor in nature

ETEA 2019
Biology
Coordination and Control
Central Nervous System
Elimination Tool:

A) 3,4 and 5
B) 4,5 and 3
C) 3,5 and 4
D) 4,3 and 5

Organization of photosynthetic pigment into clusters is:

ETEA 2019
Biology
Bioenergetics
Light Dependent Mechanism of Photosynthesis
Elimination Tool:

A) Photosynthesis
B) Photosystem
C) Photosynthetic cluster arrangement
D) Calvin system

Nuclear motosis occurs in

ETEA 2019
Biology
Kingdom Fungi
Elimination Tool:

A) Plants
B) Animals
C) Fungi
D) Monrea

___________ regulate the body temperature

ETEA 2019
Biology
Coordination and Control
Central Nervous System
Elimination Tool:

A) Hypothalamus
B) Thalamus
C) Hippocampus
D) Amygdala

___________ is considered as chief structural and functional unit of nervous system

ETEA 2019
Biology
Coordination and Control
Coordination in Animals
Elimination Tool:

A) Cell
B) Neuron
C) Nephron
D) Brain

The bulbourethral glands produce

ETEA 2019
Biology
Reproduction
Reproduction in Males
Elimination Tool:

A) Acidic fluid
B) Alkaline fluid
C) Semen
D) Mucus

The enzyme which is found in saliva, accelerates the conversion of starch into sugar is

ETEA 2019
Biology
Nutrition
Digestion and Absorption
Elimination Tool:

A) Pepsin
B) Thrombin
C) Ptyalin
D) Fumarase

Antibodies consists of ________ polypeptide chains

ETEA 2019
Biology
Transport
Elimination Tool:

A) 2
B) 4
C) 6
D) 8

The bacteriophage replicates only inside the

ETEA 2019
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) Animal cell
B) Bacterial cell
C) Fungal cell
D) Animal and bacterial cell

Which contains the highest percentage of nitrogen?

ETEA 2019
Chemistry
Stoichiometry
Mole
Elimination Tool:

A) NO
B) NO2
C) N2O
D) N2O5

When ammonium cyanide (NH4CN) salt is dissolved in water the solution will be

ETEA 2019
Chemistry
Acids, Bases and Salts
Strength of Acid and Bases
Elimination Tool:

A) Neutral
B) Acidic
C) Basic
D) Both acidic and basic

The viscous drag on small spherical body (moving with slow speed v) is propotional to

ETEA 2019
Physics
Fluid Dynamics
Fluid Flow
Viscous Fluids
Elimination Tool:

A) v
B) Square root of v
C) 1/square root of v
D) v2

Fe+2 will form the most ionic bonds with:

ETEA 2019
Chemistry
Chemical Bonding
Electrovalent or Ionic Bond
Elimination Tool:

A) N-3
B) S-2
C) P-3
D) F-1

Which one of the following is addition polymer

ETEA 2019
Chemistry
Macromolecules
Types of Polymers
Elimination Tool:

A) Nylon
B) PVC
C) Polythene
D) Both PVC and Polythene

Epoxide obtained from isobutylene is further hydrolyzed in the presence of acid The final product is

ETEA 2019
Chemistry
Hydrocarbons
Introduction to Hydrocarbons
Elimination Tool:

A) 2,3 – Butanediol
B) 1,2 – Butanediol
C) 2-Methyl-1,2-Propandiol
D) All of them

The transverse nature of light is shown by

ETEA 2019
Physics
Dawn of Modern Physics
Elimination Tool:

A) Interference of light
B) Refraction of light
C) Polarization of light
D) Dispersion of light

As the polarizing power of cation increases thermal stability of carbonates

ETEA 2019
Chemistry
Alkyl Halides and Amines
Reactivity and Reactions of Alkyl Halides
Elimination Tool:

A) Increases
B) Decreases
C) Not dependent
D) Depends upon pressure

The oxidation states of Nitrogen in NH4NO3 are

ETEA 2019
Chemistry
Electrochemistry
Oxidation Number or State
Elimination Tool:

A) -3 and +5
B) +5 and-3
C) -3 & -3
D) Zero

Which contains more atoms?

ETEA 2019
Chemistry
Stoichiometry
Mole
Elimination Tool:

A) 7 gram Mg
B) 8 gram Na
C) 9 gram Al
D) All same

Which one of the following is not a state function?

ETEA 2019
Physics
Heat and Thermodynamics
Work and Heat
Elimination Tool:

A) Work
B) Enthalpy
C) Internal energy
D) Pressure

Which one is more reactive

ETEA 2019
Chemistry
Aldehydes and Ketones
Physical Properties of Aldehydes And Ketones
Elimination Tool:

A) HCHO
B) CH3 CHO
C) (CH3)2CO
D) Hace equal reactivity

The motional EMF depends upon

ETEA 2019
Physics
Magnetism and Electromagnetic Induction
Induced EMF and Induced Current
Elimination Tool:

A) Strength of magnetic field
B) Speed of the conductor
C) Length of conductor
D) All answers are correct

The general trend of ionic radii from left to right is:

ETEA 2019
Chemistry
Periodicity in Elements
Periodic Trends
Elimination Tool:

A) Increase
B) Decrease
C) Increase then decrease
D) Decrease then increase

Which oxides of “K” contain more oxygen than its normal oxide?

ETEA 2019
Chemistry
s and p Block Elements
Introduction to s and p Block Elements
Elimination Tool:

A) Peroxide
B) Super oxide
C) Both contain equal quantity
D) None of the above

Which of the following concentration unit is temperature dependent

ETEA 2019
Chemistry
Solution and Colloids
Concentration Units of Solutions
Elimination Tool:

A) Molality
B) Mole Fraction
C) Molarity
D) Both Molality and Molarity

The angular acceleration of second hand of watch is

ETEA 2019
Physics
Circular Motion & Momentum
Elimination Tool:

A) π rad/sec2
B) 2π rad/sec2
C) π/2 rad/sec2
D) None of the above

A gas decolorized alkaline KMnO4 solution but does not give any PPT with ammoniacal AgNO3

ETEA 2019
Chemistry
Hydrocarbons
Alkynes
Elimination Tool:

A) Methane
B) Ethylene
C) Ethane
D) None of the above

In the case of germanium, the value of potential barrier develops across the depletion region is

ETEA 2019
Physics
Electronics
P-N Junction and its Characteristics
Elimination Tool:

A) 0v
B) 0.3V
C) 0.7V
D) 0.9V

Which of the following species has the maximum number of unpaired electrons?

ETEA 2019
Chemistry
d and f Block Elements
Elimination Tool:

A) O2
B) O+2
C) O-2
D) O2-2

A gas diffuses 1/2 times as fast as hydrogen, its molecular mass is:

ETEA 2019
Chemistry
Elimination Tool:

A) 50 amu
B) 25 amu
C) 16 amu
D) 8 amu

Actual yield is a/an _______.

ETEA 2019
Chemistry
Reaction Kinetics
Rate and velocity of chemical reaction
Elimination Tool:

A) Theoretical term
B) Experimental term
C) Stoichiometric term
D) Supposed term

Which one is stronger nucleophile?

ETEA 2019
Chemistry
Alkyl Halides and Amines
Reactivity and Reactions of Alkyl Halides
Elimination Tool:

A) C2H5O
B) C2H5S
C) Both are equally strong
D) None of the above

The anhydride of HClO4 is

ETEA 2019
Chemistry
Elimination Tool:

A) ClO3
B) ClO2
C) Cl2 O7
D) CI2 O7

Which one of the following elements has the largest second ionization energy

ETEA 2019
Chemistry
s and p Block Elements
Introduction to s and p Block Elements
Elimination Tool:

A) O
B) F
C) Na
D) N

A mixture of 10cm3 of oxygen and 50cm3 of hydrogen is sparked continuously. What is the maximum theoretical decrease in volume?

ETEA 2019
Chemistry
Stoichiometry
Theoretical Yield, Actual Yield and Percentage Yield
Elimination Tool:

A) 10cm3
B) 15cm3
C) 20cm3
D) 30cm3

Consider reversibility in free radical substitution reaction of alkane then Kc value is smallest for

ETEA 2019
Chemistry
Reaction Kinetics
Rate and velocity of chemical reaction
Elimination Tool:

A) Initiation step
B) Propagation step
C) Termination step
D) All same

The number of isomers of pentane is

ETEA 2019
Chemistry
Fundamental Principles of Organic Chemistry
Introduction to Fundamental Principles of Organic Chemistry
Elimination Tool:

A) 2
B) 4
C) 5
D) 3

How many elements are there in the third period of the periodic table?

ETEA 2019
Chemistry
Periodicity in Elements
Periodic Trends
Elimination Tool:

A) 18
B) 8
C) 32
D) 10

Co-ordination number of [Co(en)2Cl2]is

ETEA 2019
Chemistry
d and f Block Elements
Elimination Tool:

A) -2
B) 6
C) 4
D) None

Which compound shows the highest boiling point

ETEA 2019
Chemistry
Alcohol, Phenols, and Ethers
Elimination Tool:

A) CH3COOH
B) C2 H5 OH
C) C2 H2-0 C2 H5
D) (CH3CH2)3N

In the complex, potassium hexacyanoferrate (III). K3 [Fe(CN)6] the coordination of the Fe is

ETEA 2019
Chemistry
d and f Block Elements
Elimination Tool:

A) 9
B) 3
C) 6
D) 5

Which one can form more acidic oxide?

ETEA 2019
Chemistry
d and f Block Elements
Elimination Tool:

A) Sc
B) Mn
C) V
D) Ti

C4H11N gives the type of isomerism

ETEA 2019
Chemistry
Fundamental Principles of Organic Chemistry
Introduction to Fundamental Principles of Organic Chemistry
Elimination Tool:

A) Metamerism
B) Optical isomerism
C) Tautomerism
D) None

From the following, identify the incorrect statement regarding gas having high value of coefficient of attraction.

ETEA 2019
Chemistry
States of Matter – Gases, Liquids and Solids
Evaporation
Elimination Tool:

A) Easy to be liquified
B) Having higher critical temperature
C) Less soluble in water
D) None

An olefin “X” on ozonolysis gives CH3CH2COCH3 and CH3COCH3. The IUPAC name of X is:

ETEA 2019
Chemistry
Hydrocarbons
Nomenclature of Hydrocarbons
Elimination Tool:

A) 2 – Butene
B) 2,3 di Methyl-2 Pentene
C) 2 – Pentene
D) 1 – Hexene

Which one of the following ions has more electrons than protons and more protons than neutrons?

ETEA 2019
Chemistry
Elimination Tool:

A) D
B) d-
C) H-
D) He

When zinc electrode is coupled with copper electrode in a galvanic cell

ETEA 2019
Physics
Electrochemistry
Types of Electrochemical Cells
Elimination Tool:

A) Reduction takes place at zinc electrode
B) Oxidation takes place at copper electrode
C) Reduction takes place at copper electrode
D) Both Reduction takes place at zinc electrode and Oxidation takes place at copper electrode

Consider the reversible reaction, N2+3H2 = 2NH3 + Heat. The yield of NH3 will be maximum at:

ETEA 2019
Chemistry
Stoichiometry
Theoretical Yield, Actual Yield and Percentage Yield
Elimination Tool:

A) High temperature and low pressure
B) High temperature and high pressure
C) Low temperature and low pressure
D) Low temperature and high pressure

Why ethanoic acd is a stronger acid in the liquid ammonia than in water

ETEA 2019
Chemistry
Carboxylic Acids and its Derivatives
Elimination Tool:

A) Ammonia is strong base than water
B) Ethanoic acid molecules form H-bonding with water
C) Ethanoic acid is more soluble in liquid ammonia than in water
D) None of the above

Which equation relates to the first ionization energy of bromine?

ETEA 2019
Chemistry
Chemical Bonding
Ionization Energy
Elimination Tool:

A) Br(g) → Br-(g) + 1e
B) Br(g) → Br+(g) + 1e-
C) 1/2 Br2(g) → Br-(g) + 1e-
D) 1/2 Br2(g) → Br+(g) + 1e-

Which one is more soluble in water?

ETEA 2019
Chemistry
Alkyl Halides and Amines
Introduction to Alkyl Halides and Amines
Elimination Tool:

A) Secondary amines
B) Tertiary amines
C) Quatemary amines
D) All are insoluble

Which one is more reactive?

ETEA 2019
Chemistry
Alkyl Halides and Amines
Reactivity and Reactions of Alkyl Halides
Elimination Tool:

A) Ester
B) Acid halide
C) Amide
D) Acid anhydride

For exothermic reversible reaction activation energy for forward direction depends upon

ETEA 2019
Chemistry
Chemical Equilibrium
Reversible and Irreversible Reactions
Elimination Tool:

A) Temperature
B) Nature of reactant
C) Nature of product
D) Both Temperature and Nature of reactant

The auxochrome not concern with Metanil yellow dye:

ETEA 2019
Chemistry
Analytical Chemistry
Classical Method of Analysis
Elimination Tool:

A) -SO3H
B) -OH
C) -NH2
D) Both-SO3H and -NH2

The molecular theory for metals is also called as:

ETEA 2019
Chemistry
Elimination Tool:

A) Electron pool theory
B) Valence bond theory
C) Band theory
D) None of these options are correct

The bond angle in H2S is less than H2O. it is due to

ETEA 2019
Chemistry
Chemical Bonding
VSEPR Theory
Elimination Tool:

A) Small size of oxygen atom
B) Greater E.N of oxygen atom
C) Oxygen contain two bone pairs of electrons
D) All of the above

Ice and water are in equilibrium with each other. By increasing the pressure, the equilibrium will shift in:

ETEA 2019
Chemistry
Elimination Tool:

A) Forward
B) Reverse
C) To all system at equilibrium
D) None of the above

Which of the following pollutant decolorize the skin?

ETEA 2019
Chemistry
Environmental Chemistry
Introduction and Types of Pollution
Elimination Tool:

A) Mercury
B) Arsenic
C) Lead
D) Cadmium

Ethylenediamine diacetate is

ETEA 2019
Chemistry
d and f Block Elements
Elimination Tool:

A) Didentate
B) Tridentate
C) Tetradentate
D) Hexadentate

An electron is moving along the axis of a solenoid carrying a current. Which of the following is a correct statement about the magnetic force acting on the electron?

ETEA 2019
Physics
Magnetism and Electromagnetic Induction
Force on a Moving Charge in a Magnetic Field
Elimination Tool:

A) The force acts radially inwards
B) The force acts radially downwards
C) The force acts in the direction of motion
D) No force acts