Excess of ethanol is heated with conc: sulphuric acid keeping the temperature 140°C. The product formed is

ETEA 2015
Chemistry
Elimination Tool:

A) C2H5OC2H5 + H2O
B) C2 H4
C) C2 H5 OH
D) C2 H6

Choose reactants whose reaction product is ester:

ETEA 2015
Chemistry
Elimination Tool:

A) CH3COOH and CH3OCH3
B) CH3COOH and C2H5OH
C) CH3COOH and CH3CHO
D) CH3COOH and CH3COCH3

The oxidation state of carbon in Na2C2 is:

ETEA 2015
Chemistry
Elimination Tool:

A) +4
B) +2
C) –1
D) –4

Which one of the following acids has a strong conjugate base?

ETEA 2015
Chemistry
Elimination Tool:

A) CH3COOH
B) HCl
C) HNO3
D) H2SO4

The following elements H,N,P and Mg are included in:

ETEA 2015
Chemistry
Elimination Tool:

A) Macronutrients
B) Micronutrients
C) Trace elements
D) Minor elements

Select the correct formula of chloropenta-aqua- chromium (iii) chloride.

ETEA 2015
Chemistry
Elimination Tool:

A) [Cr (H2 O)5Cl] Cl3
B) [Cr (H2 O)5Cl] Cl2
C) [Cr (H2 O)5 Cl2] Cl
D) [Cr (H2 O)5 Cl3] Cl

Two atoms A and B have the electronic configuration given below:

(x) IS22S12P63S1 (y) IS2 2S22P5

Which of the following compounds are they likely to form?

ETEA 2015
Chemistry
Elimination Tool:

A) Xy
B) Xy2
C) X1y
D) Xy3

Select cresol out of the following benzene derivatives?

ETEA 2015
Chemistry
Elimination Tool:

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

The order of reducing power of halide ion is:

ETEA 2015
Chemistry
Elimination Tool:

A) I–1> Br–>Cl–> F–
B) F–>Cl–> Br–> l–
C) l–1>Cl–> F–> Br–
D) Br–>Cl–> l–> F–

For all adiabatic processes:

ETEA 2015
Physics
Elimination Tool:

A) The entropy of the system does not change
B) The entropy of the system increases
C) The entropy of the system decreases
D) The entropy of the system does not decrease

The percentage error in the measurement of mass and speed are 5% or 6% respectively the maximum error in the measurement of K.E is

ETEA 2015
Physics
Elimination Tool:

A) 17%
B) 30%
C) 15%
D) 90%

Hemiacetal containing both

ETEA 2015
Chemistry
Elimination Tool:

A) Alcohol and aldehyde functional groups
B) Alcohol and ether functional groups
C) Aldehyde and ether functional groups
D) Alcohol and carboxylic acid functional groups

In P type substances, the charge carriers in minorities are:

ETEA 2015
Chemistry
Elimination Tool:

A) Holes
B) Electrons
C) Protons
D) Positive ions

Waxes are the esters of fatty acids with high molecular weight.

ETEA 2015
Chemistry
Elimination Tool:

A) Monohydroxy alcohols
B) Dihydroxy alcohol
C) Trihydroxy alcohol
D) All of the above

The first ionization energy of an atom depends on:

ETEA 2015
Chemistry
Elimination Tool:

A) Charge on nucleus
B) Screening effect
C) Electronic configuration
D) All of the above

π–π* electronic transition occurs in molecules that have:

ETEA 2015
Chemistry
Analytical Chemistry
Modern Methods of Analysis
Elimination Tool:

A) Double bond
B) Triple bond
C) Aromatic ring
D) All of the above

Choose the correct order of reactivity of alkyl halides?

ETEA 2015
Chemistry
Elimination Tool:

A) R – I > R – Br > R – Cl > R – F
B) R – Br > R – I > R – F > R – Cl
C) R – F > R – Cl> R – Br > R – l
D) R – Cl> R – l > R – Br > R – l

Select alkene of the following hydrocarbons:

ETEA 2015
Chemistry
Elimination Tool:

A) C5 H22
B) C5 H10
C) C5 H8
D) C4 H10

The components of bronze alloy are:

ETEA 2015
Chemistry
Elimination Tool:

A) Copper and zinc
B) Copper and tin
C) Zinc and tin
D) Chromium and Tin

The proton acceptor is:

ETEA 2015
Chemistry
Elimination Tool:

A) NH3
B) BF3
C) HCL
D) H*

The shape of SnCl2 is:

ETEA 2015
Chemistry
Elimination Tool:

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

What is true about modern methods used in the determination of the structure of compounds?

ETEA 2015
Chemistry
Elimination Tool:

A) Accurate but more time consuming
B) Accurate, rapid but chemicals are used in large amounts
C) Accurate, rapid but sophisticated and complicated
D) Accurate, simple and less time consuming

Chromium compounds in which oxidation state is 6+ behaves as:

ETEA 2015
Chemistry
Elimination Tool:

A) Strong oxidizing agent
B) Strong reducing agent
C) Very weak oxidizing agent
D) Very weak reducing agent

Which is the strongest acid?

ETEA 2015
Chemistry
Elimination Tool:

A) CH3COOH
B) CH2CICOOH
C) CHCl2COOH
D) CCl3COOH

Which of the following ions can act both as Bronsted acid and base in solvent water?

ETEA 2015
Chemistry
Elimination Tool:

A) CN–
B) SO4 –2
C) CHO3-
D) PO4-3

N2 + 3H2 → 2NH3

In the above reaction, the limiting reagent is:

ETEA 2015
Chemistry
Elimination Tool:

A) N2
B) H2
C) Ammonia
D) None of the above

Select ligand which is bidentate and can form chelates:

ETEA 2015
Chemistry
Elimination Tool:

A) CH3 NH2
B) PH3
C) H2O
D) CH2(NH2)CH2(NH2)

Semi-conductor materials have:

ETEA 2015
Chemistry
Elimination Tool:

A) Ionic bond
B) Covalent bond
C) Mutual bond
D) Metallic bond

Salts which dissolve in water with evolution of heat. The effect of temperature on their solubility will be:

ETEA 2015
Chemistry
Elimination Tool:

A) Increases with increase in temperature
B) Decreases with increase in temperature
C) Solubility does not change
D) In some cases it increases while in others it decreases

All of the following are micronutrients except:

ETEA 2015
Chemistry
Elimination Tool:

A) Iron
B) Copper
C) Zinc
D) Magnesium

Which is not true about Grignard reagent?

ETEA 2015
Chemistry
Elimination Tool:

A) They are highly reactive compounds
B) They are very stable compounds and can be isolated easily
C) They have synthetic importance
D) They are represented by general formula RMgX

The isotope which decay by β-1 emission to produce 48Cd111 is

ETEA 2015
Chemistry
Elimination Tool:

A) 47Ag111
B) 47Ag110
C) 47Ag112
D) 49In111

Aiman in laboratory dissolve 4g of NaOH in 250ml of water. The molarity of this solution is:

ETEA 2015
Chemistry
Elimination Tool:

A) 0.4M
B) 4M
C) 0.2M
D) 0.1M

The aqueous solution of which one of the following compounds maintain its pH constant?

ETEA 2015
Chemistry
Elimination Tool:

A) CH3 COOH and (NH4)2 SO4
B) NH4 NO3 and KNO3
C) NH4 OH and NH4 CI
D) NH4 OH and NaCI

Hydrolysis of ester in the presence of KOH is called:

ETEA 2015
Chemistry
Elimination Tool:

A) Esterification
B) Decarboxylation
C) Saponification
D) Neutralization

The number of hydrogen bonds between guanine and cytosine are:

ETEA 2015
Chemistry
Elimination Tool:

A) One
B) Two
C) Three
D) Four

Stable electronic configuration of Cu(29) is:

ETEA 2015
Chemistry
Elimination Tool:

A) [Ar] 4S2 3d4
B) [Ar] 4S0 3d10
C) [Ar] 4S1 3d10
D) [Ar] 4S2 3d7 4p2

Choose the IUPAC name of the following compound:

ETEA 2015
Chemistry
Elimination Tool:

A) 4- Methyl-1-Pentene
B) 2- Methyl-3- Pentene
C) 2- Methyl-2- Pentene
D) 4,4-Dirnethyl-2-Pentene

Select molecule that has unpaired electrons in anti-bonding molecular orbitals:

ETEA 2015
Chemistry
Elimination Tool:

A) N2
B) Cl2
C) H2
D) O2

Choose the type of hybridization of carbon atoms in cyclopropane and the bond angle C–C–C.

ETEA 2015
Chemistry
Elimination Tool:

A) Sp3, 109.5*
B) Sp3, 60*
C) Sp2, 120*
D) Sp2, 107*

The energy difference between adjacent energy levels of the hydrogen atom:

ETEA 2015
Chemistry
Elimination Tool:

A) Increases with increasing energy
B) Decreases with increasing energy
C) First increases and then decreases with increasing energy
D) First decreases and then increases with increasing energy

Choose atom that having spin quantum number ½

ETEA 2015
Chemistry
Elimination Tool:

A) 12C
B) 15N
C) 16O
D) 32S

Phosphodiester linkage is formed between.

ETEA 2015
Chemistry
Elimination Tool:

A) Two nucleotide bases
B) Amino acid
C) Two sugar
D) Nucleotides and phosphates

The reduction of aldehydes and ketones in the presence of zinc amalgam and HCl is termed as:

ETEA 2015
Chemistry
Elimination Tool:

A) Grignard reduction
B) Clemmenson reduction
C) Wolf-kishner reduction
D) Friedel-craft reduction

Choose group that cause solubility of the dye in acids.

ETEA 2015
Chemistry
Elimination Tool:

A) –OH
B) –NH2
C) –SO2H
D) –COOH

Question is given below.

ETEA 2015
Physics
Elimination Tool:

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

What is the number of hydrogen atoms in 5 moles of water?

ETEA 2015
Chemistry
Elimination Tool:

A) 3.0115 × 1024
B) 6.023 × 1024
C) 6.023 x 1023
D) 5.0 x 1023

The rate law equation for reaction is given as dx/dt = K[FeCl3][KI]2 the reaction is:

ETEA 2015
Chemistry
Elimination Tool:

A) First order
B) Second order
C) Third order
D) Pseudo first order

In the main postulates of Bohr atomic theory the angular momentum of an electron in the hydrogen atom is given by the relationship.

ETEA 2015
Chemistry
Elimination Tool:

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

Conc. HCI is added to a metal salt and then subjected to flame test on platinum wire. It Imparts crimson color to the flame. Which metal salt it is?

ETEA 2015
Chemistry
Elimination Tool:

A) Sodium
B) Potassium
C) Strontium
D) Calcium

Select mineral that is considered as a macronutrient.

ETEA 2015
Chemistry
Elimination Tool:

A) Phosphorus
B) Zinc
C) Iron
D) Iodine

The pH of 0.001M aqueous solution of NaOH is:

ETEA 2015
Chemistry
Elimination Tool:

A) 6
B) 13
C) 11
D) 12

Weight rather than mass be used in calculating

ETEA 2015
Physics
Elimination Tool:

A) Moment of inertia of a body
B) The stress in a wire due to load hanging from it
C) The binding energy of the nucleus
D) The gravitational force between the two bodies

Choose the correct reaction:

ETEA 2015
Chemistry
Elimination Tool:

A) PbO + 4NaOH →Pb (OH)4 + 2 Na2O
B) PbO + 2NaOH + H2O →Na2 [Pb(OH)4]
C) PbO + NaOH + H2O →Na [Pb(OH)3]
D) PbO + 4NaOH + H2O →Na4 [Pb(OH)6]

Molar extinction coefficient (ε) a constant in Beer- Lambert law is the characteristics of the:

ETEA 2015
Chemistry
Elimination Tool:

A) Solute
B) Solvent
C) Concentration
D) All of the above

In mitochondria UGA Codon act to specify

ETEA 2015
Biology
Elimination Tool:

A) Arginine
B) Glutamine
C) Tryptophan
D) Valine

Embryonic mass can generate all of the following except:

ETEA 2015
Biology
Elimination Tool:

A) Amnion
B) Chorion
C) Yolk sac
D) Allantois

The osmotic pressure of dilute solution is given by the formula:

ETEA 2015
Biology
Elimination Tool:

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

Mature ovum in human beings is surrounded by:

ETEA 2015
Biology
Elimination Tool:

A) Plasma membrane
B) Vitelline membrane
C) Corona radiata
D) All of the above

Excited electrons from photo system-II are captured by:

ETEA 2015
Biology
Elimination Tool:

A) PC
B) PQ
C) Cytochrome-b
D) Pentamerous

Which of the following animal is included in deuterostome?

ETEA 2015
Biology
Elimination Tool:

A) Mytilus
B) Chaetopterus
C) Penguin
D) Jelly fish

Dark reaction gets completed by the regeneration of:

ETEA 2015
Biology
Elimination Tool:

A) PGA
B) PGAL
C) RUBP
D) RUBISCO

Rhizobium belong to sub group of bacteria called:

ETEA 2015
Biology
Elimination Tool:

A) Alpha-Protobacteria
B) Beta-Protobacteria
C) Gamma-Protobacteria
D) Delta-Protobacterla

Best known “Apicomplex” is the:

ETEA 2015
Biology
Elimination Tool:

A) Obligate parasites
B) Facultative parasite
C) Malarial parasites
D) Pathogenic parasites

The optimum pH of enzyme maltase is:

ETEA 2015
Biology
Elimination Tool:

A) 4.5
B) 5.5
C) 6.1 – 6.8
D) 6.7 – 7

Carotenoids pigments are:

ETEA 2015
Biology
Elimination Tool:

A) Yellow, Red, Green, Blue
B) Orange, Yellow, Red, Brown
C) Green, Yellow, Blue, Brown
D) Blue, Red, Green, Yellow

Polio immunization vaccine is effective:

ETEA 2015
Biology
Elimination Tool:

A) 50%
B) 60%
C) 80%
D) 90%

Incubation period of ―”HCV” is:

ETEA 2015
Biology
Elimination Tool:

A) 2-6 weeks
B) 4-10 weeks
C) 4-20 weeks
D) 4-26 weeks

How many pairs of cranial nerves are mixed in nature?

ETEA 2015
Biology
Elimination Tool:

A) 02 pairs
B) 04 pairs
C) 06 pairs
D) 08 pairs

Sunken stomata are found in the leaves of:

ETEA 2015
Biology
Elimination Tool:

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

A condition of excessive thirst due to diabetes is called:

ETEA 2015
Biology
Elimination Tool:

A) Polyuria
B) Glycusuria
C) Polyphagia
D) Polydipsia

Photo-respiration can generate:

ETEA 2015
Biology
Elimination Tool:

A) 4-ATP
B) 36-ATP
C) 32-ATP
D) NO-ATP

The smallest gametophyte is present in:

ETEA 2015
Biology
Elimination Tool:

A) Adiantum
B) Funaria
C) Marchantia
D) Angiosperms

Balantidium coli lives in the intestinal tract of:

ETEA 2015
Biology
Elimination Tool:

A) Pigs and rats
B) Pigs and monkeys
C) Rats and dogs
D) Cats and sheep

The only human disease caused by VIROID is

ETEA 2015
Biology
Elimination Tool:

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

In stomach the pepsinogen is synthesized and secreted by:

ETEA 2015
Biology
Elimination Tool:

A) Mucus cells
B) Parietal cells
C) Hormonal cells
D) Chief cells

Most disease symptoms appear during.

ETEA 2015
Biology
Elimination Tool:

A) Lag phase
B) Log phase
C) Die
D) Generation time

The blood flow in milliliters/ minute during exercise to the skin is:

ETEA 2015
Biology
Elimination Tool:

A) 1500 ml
B) 1600 ml
C) 1800 ml
D) 1900 ml

“Foraminifers” helps to determine the,

ETEA 2015
Biology
Elimination Tool:

A) Generation time
B) Geological age
C) Ecological time
D) Physiological age

Select the test used for the estimation of glucose in blood and urine?

ETEA 2015
Biology
Elimination Tool:

A) Tollen’s reagent test
B) Fehling’s solution test
C) Benedict solution test
D) All of the above

Misuse of cannabis results in:

ETEA 2015
Biology
Elimination Tool:

A) Psychosis
Show Explanation
B) Euphoria
Show Explanation
C) Paranoia
Show Explanation
D) Photophobia

Vernalization is the conversion of:

ETEA 2015
Biology
Elimination Tool:

A) Spring variety to the winter variety
B) Winter variety to the spring variety
C) Winter variety to the summer variety
D) Summer variety to the winter variety

Endotoxins are released only when bacteria

ETEA 2015
Biology
Elimination Tool:

A) Excrete
B) Reproduce
C) Decline phase
D) Stop phase

Amount of O2 carried by red blood cells is:

ETEA 2015
Biology
Elimination Tool:

A) 77%
B) 90%
C) 87%
D) 97%

Outer wall of guard cells is:

ETEA 2015
Biology
Elimination Tool:

A) Thin & elastic
B) Thick & elastic
C) Thin & non elastic
D) Thick & non elastic

Heterospory occur in:

ETEA 2015
Biology
Elimination Tool:

A) Selaginella
B) Equisetum
C) Lycopodium
D) Lepidodendron

The Oligosaccharides class of carbohydrates contain monosaccharides of about:

ETEA 2015
Biology
Elimination Tool:

A) 2 to 8 units
B) 2 to 9 units
C) 2 to 10 units
D) 2 to 11 units

Sucrose on hydrolysis yield:

ETEA 2015
Biology
Elimination Tool:

A) Glucose
B) Glucose and fructose
C) Glucose and maltose
D) Maltose and fructose

Which of the following animals is not ectothermic?

ETEA 2015
Biology
Elimination Tool:

A) Salamander
B) Great white shark
C) Polar bear
D) Butterfly

Basidiocarp is formed in the:

ETEA 2015
Biology
Elimination Tool:

A) Secondary mycelium
B) Primary mycellum
C) Tertiary mycelium
D) Pathogenic parasites

Hermaphrodite phylum is:

ETEA 2015
Biology
Elimination Tool:

A) Annelida
B) Arthropoda
C) Echinodermata
D) Mollusca

Bacteria living in the gut form the association of:

ETEA 2015
Biology
Elimination Tool:

A) Mutualism
B) Predation
C) Parasitism
D) Commensalism

The organs of excretion in crustacean are :

ETEA 2015
Biology
Elimination Tool:

A) Coxal glands
B) Flame cells
C) Malpighian tubules
D) Nephridia

NH4OH(aq) ⇌ NH4+(aq)+ OH–(aq)

Consider the above ionization, Ammonium chloride is added to the system.

Select the correct statement.

ETEA 2015
Chemistry
Elimination Tool:

A) The equilibrium will shift to the right
B) The equilibrium will shift to the left
C) The equilibrium will remain undisturbed
D) The equilibrium will be attained quickly

The chloroplast size is about.

ETEA 2015
Biology
Elimination Tool:

A) 1-2 µm
B) 2-4 µm
C) 4-6 µm
D) 6-8 µm

Human body thermostat is:

ETEA 2015
Biology
Elimination Tool:

A) Medulla
B) Medulla oblongata
C) Body fluid
D) Hypothalamus

Osteopenia starts at the age of:

ETEA 2015
Biology
Elimination Tool:

A) 30-40
B) 30-35
C) 40-45
D) 50-60

A protist that forms sea-weeds is:

ETEA 2015
Biology
Elimination Tool:

A) Red algae
B) Brown algae
C) Green algae
D) Diatoms

Dicotyledonous flowers are usually:

ETEA 2015
Biology
Elimination Tool:

A) Clmerous
B) Trimerous
C) Tetramerous
D) Pentamerous

The product of light reaction travel from:

ETEA 2015
Biology
Elimination Tool:

A) Cristae to stroma
B) Stroma to grana
C) Grana to cristae
D) Grana to stroma

“80–S” ribosome is formed by the combination of:

ETEA 2015
Biology
Elimination Tool:

A) 30S and 40S
B) 70S and 10S
C) 50S and 30S
D) 60S and 40S

Implantation of zygote takes place in the:

ETEA 2015
Biology
Elimination Tool:

A) 2nd week
B) 3rd week
C) 7th week
D) 5th week

A hormone that prevents senescence In leaves is:

ETEA 2015
Biology
Elimination Tool:

A) Abscisic acid
B) Cytokinin
C) Seisomonasty
D) Demonasty

The larva of balanoglossus (Hemichordate) is called:

ETEA 2015
Biology
Elimination Tool:

A) Bipinnaria
B) Radiolaria
C) Tornaria
D) Trochophore

The presence of microorganisms in drinking water is determined by:

ETEA 2015
Biology
Elimination Tool:

A) COD
B) TOC
C) BOD
D) TDS

All of the following are triploblastic animals except:

ETEA 2015
Biology
Elimination Tool:

A) Annelida
B) Mollusca
C) Coelenterata
D) Echinodermata

Termites cut wood with the help of enzyme produced by

ETEA 2015
Biology
Elimination Tool:

A) Trichonella
B) Tripanosoma
C) Trichonympha
D) Trichina

All of the following are co-enzymes except:

ETEA 2015
Biology
Elimination Tool:

A) NAD
B) FAD
C) NADP
D) ADP

Basidiomycota is also called as:

ETEA 2015
Biology
Elimination Tool:

A) Club-mosses
B) Club-fungi
C) Sac-fungi
D) Bread mold

The interval between two successive division of bacteria is called:

ETEA 2015
Biology
Elimination Tool:

A) Ecological time
B) Population time
C) Growth time
D) Generation time

6-NADH can yield:

ETEA 2015
Biology
Elimination Tool:

A) 12-ATP
B) 38-ATP
C) 18-ATP
D) 36-ATP

Blood pressure towards the brain during rest hours is:

ETEA 2015
Biology
Elimination Tool:

A) 850mm/minute
B) 900mm/minute
C) 750mm/minute
D) 730mm/minute

CSF Is found in between:

ETEA 2015
Biology
Elimination Tool:

A) Pia mater and dura mater
B) Pia mater and arachnoid mater
C) Grey matter and pia mater
D) Dura mater and grey mater

A hormone that helps in growing seedless grapes.

ETEA 2015
Biology
Elimination Tool:

A) Auxins
B) Cytokinins
C) Ethylene
D) Gibberellins

The person is over weight of the body mass index is between:

ETEA 2015
Biology
Elimination Tool:

A) 15 to 24.9
B) 17.5 to 24.9
C) 18.5 to 24.9
D) 25 to 29.9

Nuclear fusion at the sun is increasing its supply of:

ETEA 2015
Physics
Elimination Tool:

A) Hydrogen
B) Helium
C) Nucleons
D) Neutron

Two long parallel wires x and y carrying a current of 3A and 5A respectively. The force per unit length experienced by x is 5 × 10-5N to the right, the force per unit length experienced by wire y is:

ETEA 2015
Physics
Elimination Tool:

A) 2× 10-5N to the left
B) 3 × 10-5N to the right
C) 5 × 10-5N to the right
D) 5 × 10-5N to the left

Which of the following is the best evidence for the wave nature of matter?

ETEA 2015
Physics
Elimination Tool:

A) The photoelectric effect
B) The Compton effect
C) The spectral radiation form cavity radiation
D) The reflection of electrons by crystal

Question is given below.

ETEA 2015
Physics
Elimination Tool:

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

The rotational analogue of mass in linear motion is:

ETEA 2015
Physics
Elimination Tool:

A) Torque
B) Weight
C) Moment of inertia
D) Angular momentum

A 6.0-kg block is released from the rest 80m above the ground. When it has fallen 60m its kinetic energy is approximately:

ETEA 2015
Physics
Elimination Tool:

A) 4800 J
B) 3500 J
C) 1200 J
D) 120 J

A flat coil of wire having 5 turns, has an inductance L. The inductance of similar coil having 20 turns is:

ETEA 2015
Physics
Elimination Tool:

A) 4L
B) 16L
C) µL
D) L

Two projectiles are in flight at the same time. The acceleration of one relative to other:

ETEA 2015
Physics
Elimination Tool:

A) Always 9.8 ms-2
B) Can be horizontal
C) Can be as large as 19.8 ms-2
D) Is zero

The charged particle is situated in a region of space and it experiences a force only when it is in motion. It can be deduce that the region encloses

ETEA 2015
Physics
Elimination Tool:

A) Both electric and magnetic field
B) Both magnetic and gravitational field
C) A magnetic field only
D) An electric field only

The ratio of inertial mass to the gravitational mass is equal to:

ETEA 2015
Physics
Elimination Tool:

A) 1/2
B) 1
C) 2
D) No fixed number

An electron is moving north in a region when the magnetic field is south. The magnetic force exerted on the electron is:

ETEA 2015
Physics
Elimination Tool:

A) Zero
B) Up
C) Down
D) East

The wave nature of electrons is suggested by experiments on

ETEA 2015
Physics
Elimination Tool:

A) Line spectra of action
B) The production of x-rays
C) The photoelectric erect
D) Electrons diffraction by crystalline material

A 0.01A moving coil Galvanometer of 5 Ω resistance can be converted into a 0.2A ammeter by a resistance R with the Galvanometer when r is:

ETEA 2015
Physics
Elimination Tool:

A) 0.25 Ω in parallel
B) 0.25 Ω in series
C) 0.50 Ω in parallel
D) 0.50 Ω in series

The quantity ½ E0E2 has the significant of

ETEA 2015
Physics
Elimination Tool:

A) Energy/farad
B) Energy/ coulomb
C) Energy/ volume
D) Energy/volt

A satellite is orbiting close to the surface of the earth, its speed is

ETEA 2015
Physics
Elimination Tool:

A) √2gR
B) √Rg
C) Rg/2
D) Rg

Binding energy of nucleus is the energy that must be supplied to:

ETEA 2015
Physics
Elimination Tool:

A) Remove nucleons
B) Remove an alpha-particle
C) Remove a B.-particle
D) Separate the nucleus into its constituent nucleons

The proper time between two events is measured by a clock at rest in a reference frame in which the two events:

ETEA 2015
Physics
Elimination Tool:

A) Occurs at the same time
B) Occur at the same co-ordinates
C) Are separated by the distance a light signal can travel during the time interval
D) Satisfy none of the above

If absolute temperature of the gas is doubled and pressure is increased 4 times, then the volume becomes

ETEA 2015
Physics
Elimination Tool:

A) Half
B) Double
C) 4 times
D) Unchanged

A body Is moving in a circle of radius (r) with a variable speed, the acceleration of the body is:

ETEA 2015
Physics
Elimination Tool:

A) Centripetal acceleration
B) Tangential acceleration
C) Angular acceleration
D) All of the above

A battery is permanently connected to a parallel plate capacitor and the energy stored is x joules. When one plate is moved so that the separation of the plate is doubled, the energy now stored in the joule is:

ETEA 2015
Physics
Elimination Tool:

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

Phytochrome―”Pr” absorbs red light of wavelength.

ETEA 2015
Biology
Elimination Tool:

A) 600 nm
B) 660 nm
C) 560nm
D) 730 nm

Conservation of linear momentum is equivalent to:

ETEA 2015
Physics
Elimination Tool:

A) Newton‘s 1st law of motion
B) Newton‘s 2nd law of motion
C) Newton‘s 3rd law of motion
D) None of the above

Any baryon is a combination of:

ETEA 2015
Physics
Elimination Tool:

A) Three quarks
B) Two quarks
C) Two quarks and an anti-quark
D) One quark and one anti-quark

Four wires meet at a junction. The first carries 4A in to the junction, the second carries 5A out of the junction, and third carries 2A out of the junction. The fourth carries:

ETEA 2015
Physics
Elimination Tool:

A) 7A out of the junction
B) 7A into the junction
C) 3A out of the junction
D) 3A in to the junction

During a reversible adiabatic expansion of an ideal gas, which of the following is not true?

ETEA 2015
Physics
Elimination Tool:

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

Instantaneous emf at instant t is ε20 sin (100πt). The frequency of alternative current is

ETEA 2015
Physics
Elimination Tool:

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

A LASER beam can be sharply focused because it is:

ETEA 2015
Physics
Elimination Tool:

A) Highly coherent
B) Intense
C) Place polarized
D) Highly directional

The behavior of ferromagnetic domains in an applied magnetic field gives rise to:

ETEA 2015
Physics
Elimination Tool:

A) Hysteresis
B) Ferromagnetism
C) The Curie law
D) Gauss‘s law for magnetism

For principle quantum number n=3 the value of magnetic quantum number will be:

ETEA 2015
Physics
Elimination Tool:

A) 3
B) 6
C) 5
D) 7

The frequency of green light is 6 × 1014 Hz. Its wave length is:

ETEA 2015
Physics
Elimination Tool:

A) 50 nm
B) 500 nm
C) 5000 nm
D) 100 nm

Fission fragments usually decay by emitting:

ETEA 2015
Physics
Elimination Tool:

A) α-particles
B) electrons and neutrons
C) Positron and neutrinos
D) Only neutrons

First law of thermodynamics is expressed as:

ETEA 2015
Physics
Elimination Tool:

A) q = △E + W
B) △E = q – W
C) q = △E – P△V
D) All of the above

A particle of mass m has momentum P, its K.E will be

ETEA 2015
Physics
Elimination Tool:

A) mP
B) P2m
C) P2/m
D) P2/2m

A parachute of mass 80 kg descends vertically at a constant velocity of 3.0 ms-1 takingacceleration of free fall as 10 ms-1, what is the net force acting on him?

ETEA 2015
Physics
Elimination Tool:

A) 800 N upwards?
B) Zero
C) 240 N downwards
D) 360 N downwards

In an unbiased P-N junction:

ETEA 2015
Physics
Elimination Tool:

A) The electric potential vanishes everywhere
B) The electric field vanishes everywhere
C) The diffusion current vanishes everywhere
D) The diffusion and drift currents cancel each other

An election is projected with a velocity V into a region where there exists a uniform electric field of strength E perpendicular to a uniform magnetic field of directly B. if the electron velocity to remain constant,V must be:

ETEA 2015
Physics
Elimination Tool:

A) Of magnitude B/E and parallel to B
B) Of magnitude E/B and parallel to B
C) Of magnitude B/E and perpendicular to both ⃑ E and ⃑ B
D) Of magnitude E/B and perpendicular to both ⃑E and ⃑B

The sum of the e.m.f and potential differences around a closed circuit is zero is a consequence of:

ETEA 2015
Physics
Elimination Tool:

A) Ohm‘s law
B) Newton‘s 2nd law
C) Conservation of energy
D) Conservation of charge

A science museum designs an experiment to show the fall of a feather in a vertical glass vacuum tube. The time of fall from test is too close to 0.5 s. What length of tube is required?

ETEA 2015
Physics
Elimination Tool:

A) 1.3 m
B) 2.5 m
C) 5.0 m
D) 10.0 m

Which of the following electromagnetic radiation has photons with greatest momentum?

ETEA 2015
Physics
Elimination Tool:

A) Blue light
B) Yellow light
C) X-rays
D) Radio wave

In an adiabatic process there is no:

ETEA 2015
Physics
Elimination Tool:

A) Work done
B) Exchange of heat
C) Change in temperature
D) Change in internal energy

A larger water tank open at the top has small hole in the bottom when the water level is 30m above the bottom of the tank the speed of the water leaking from the hole is:

ETEA 2015
Physics
Elimination Tool:

A) 2.5m/s
B) 24 m/s
C) 4.44 m/s
D) Cannot be calculated unless the area of the hole is given

An Incompressible liquid flow along the pipe with area of cross section A1 and A2 with velocities V1 and V2 respectively. The ratio of the speeds V1 / V2 is:

ETEA 2015
Physics
Elimination Tool:

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

The critical day length of a short-day plant is:

ETEA 2015
Biology
Elimination Tool:

A) 11:00 hours
B) 15:00 hours
C) 11 ½ Hours
D) 15 ½ hours

The principle of a simple form of mass spectrometer ions is to pass through narrow slits S1 and S2 and into a velocity selector. The ions after passing through the slit S3 are deviated by a uniform magnetic field. The quantities that must remain constant for all ions arriving at the photographic plate are:

ETEA 2015
Physics
Elimination Tool:

A) Charged
B) Charge/mass(e/m)
C) Kinetic energy
D) Mass

If the direction of initial velocity of the charged particle is neither along nor perpendicular to that of magnetic field then the orbit will be:

ETEA 2015
Physics
Elimination Tool:

A) Circle
B) Helix
C) Ellipse
D) Straight line

If P is the momentum of an object of mass m, then expression P2/m has the same unit as

ETEA 2015
Physics
Elimination Tool:

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

The mechanical energy spent by the external agency is converted into electrical energy stored in the coil. This relates to:

ETEA 2015
Physics
Elimination Tool:

A) Ohm’s law
B) Coulomb’s law
C) Lenz’s law
D) Newton’s law of motion

For ohmic substance, the electron drift velocity is proportional to:

ETEA 2015
Physics
Elimination Tool:

A) Cross sectional of the sample
B) The length of sample
C) The mass of an electron
D) The electric field in the sample

The electric field due to uniform distribution of charge on a spherical shell is zero.

ETEA 2015
Physics
Elimination Tool:

A) Every where
B) Only at the center of shell
C) Only inside the shell
D) Only one side of the shell

Four 20 Ω resistors are connected in parallel and combination is connected to a 20 V emf device. The current in the device is:

ETEA 2015
Physics
Elimination Tool:

A) 0.25 A
B) 1.0 A
C) 4.0 A
D) 5.0 A

The shear modulus of elasticity G is:

ETEA 2015
Physics
Elimination Tool:

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

When an electron drop from any higher orbit i.e. n2 > 3 to the second orbit n1 = 2, the spectral lines produced fall in the region:

ETEA 2015
Physics
Elimination Tool:

A) Visible
B) Ultraviolet
C) Infrared
D) None of the above

Choose the correct relationship, when E=energy, h=plank’s constant, c=velocity of light, ν =frequency, λ =wave length:

ETEA 2015
Physics
Elimination Tool:

A) E = hvc
B) E = c/λ
C) E = hv
D) E =nλ/c

A long solenoid has length L and total number of N turns, each of which has a cross-sectional area A, its inductance is:

ETEA 2015
Physics
Elimination Tool:

A) μ0N2AL
B) μ0N2 A/L
C) μ0N2L/A
D) μ0NL/A

The electronic transition that is involved in the visible region is:

ETEA 2015
Chemistry
Elimination Tool:

A) σ – σ
B) d – d
C) π – π
D) π – σ

The ratio between the velocity of sound in air at 4 atm and that at 3. atm pressure would be:

ETEA 2015
Physics
Elimination Tool:

A) 1 : 1
B) 4 : 1
C) 1 : 4
D) 3 : 1

Which region of electromagnetic spectrum is involved in nuclear magnetic resonance microwave(NMR spectroscopy)?

ETEA 2015
Physics
Elimination Tool:

A) Microwave
B) Radio wave
C) Infrared region
D) X-rays

The unit of the electric field is:

ETEA 2015
Physics
Elimination Tool:

A) N/C
B) V/m
C) J/C.m
D) All of the above

One end of cylindirical pipe has a radius of 1.5cm, water stream (density = 1.0 × 103 kg/m3) steadily out at 7.0m/s, the volume rate is:

ETEA 2015
Physics
Elimination Tool:

A) 4.9 × 10–3 m3/s
B) 4.9 m3/s
C) 7.0 m3/s
D) 49 m3/s

The cathode in lead storage battery is made of:

ETEA 2015
Physics
Elimination Tool:

A) Lead
B) Lead oxide
C) Lead hydroxide
D) None of the above

The energy absorbed as heat by an ideal gas for an isothermal process is equal to:

ETEA 2015
Physics
Elimination Tool:

A) The work done by the gas
B) The work done on the gas.
C) Change in the internal energy of the gas
D) Zero, since the process is isothermal

The efficiency of a transformer which draws a power of 20 watt is 60%, the power supplied by it is:

ETEA 2015
Physics
Elimination Tool:

A) 5 W
B) 1.2 W
C) 6 W
D) 12 W

Colors of thin film result from

ETEA 2015
Physics
Elimination Tool:

A) Dispersion
B) Interference of light
C) Absorption of light
D) Scattering of light

Choose the correct sentence:

ETEA 2015
English
Elimination Tool:

A) As far as I know, he bears a good moral character
B) So far as I know, he bears a good moral character
C) As long as I know, he bears a good moral character
D) Not that I know, he bears a good moral character

The lady sitting _______ me has an elegant style.

ETEA 2015
English
Elimination Tool:

A) At
B) Beside
C) About
D) Around

He said, “May this child live long!”

[Indirect form of the sentence is:]

ETEA 2015
English
Elimination Tool:

A) He prayed that that child may live long.
B) He prayed that that child will live long.
C) He prayed that that child might live long.
D) He said that that child might live long.

His bad friends will ruin him.[Passive form of the sentence is.]

ETEA 2015
English
Elimination Tool:

A) He will be ruin by his bad friends.
B) He is ruined by his bad friends.
C) He will be ruined by his bad friends.
D) He is being ruined by his bad friends.

He *extolled the virtues of the Russian people. [The underlined word means:]

ETEA 2015
English
Elimination Tool:

A) Admired
B) Praised
C) Censured
D) Adopted

He said to me, “Why have you come late?”[Indirect form of the sentence is:]

ETEA 2015
English
Elimination Tool:

A) He asked me why I had come late
B) He asked me why I came late.
C) He asked me why I have come late
D) He told me as to why I had come late

It has been raining continuously _______ last night.

ETEA 2015
English
Elimination Tool:

A) Since
B) For
C) From
D) With

He said to me, “What a stupid fellow you are!”

[Indirect form of the sentence is]:

ETEA 2015
English
Elimination Tool:

A) He exclaimed that I was a very stupid fellow.
B) He told me that you were a stupid fellow.
C) He exclaimed that what a stupid fellow I was.
D) He did tell me that I had been a stupid fellow.

He was ________ in bed all day yesterday.

ETEA 2015
English
Elimination Tool:

A) Laying
B) Lying
C) Lieing
D) Lied

Will you give me your bicycle?’

[Passive form of the sentence is:]

ETEA 2015
English
Elimination Tool:

A) Will your bicycle be given to me by you?
B) Shall you be given to me by your bicycle?
C) I shall be given your bicycle by you?
D) Your bicycle will be given to me by you?

‘Be poles apart‘ means

ETEA 2015
English
Elimination Tool:

A) Either of the two poles
B) Have nothing in common
C) Leading position in a race
D) Affects some body greatly

Choose the correct sentence:

ETEA 2015
English
Elimination Tool:

A) If I knew him better, I would have insisted that he change the hour of the lecture.
B) If I knew him better, I would have insisted that he changed the hour of the lecture.
C) If I knew him better, I would insist that he have change the hour of the lecture.
D) If I knew him better, I would insist for him to change the hour of the lecture.

The local inns are *bursting at the seams. and may not be able to accommodate anymore.

[The underlined phrase means]:

ETEA 2015
English
Elimination Tool:

A) Unhygienic
B) Overcrowded
C) Empty
D) Shutting Down

There is ______ fish in this pond.

ETEA 2015
English
Elimination Tool:

A) Many
B) Much
C) Any
D) More

I insist ______ the withdrawal of your statement.

ETEA 2015
English
Elimination Tool:

A) For
B) On
C) At
D) In