Biology/ Sample Test,Sample questions

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Question: 
The reaction of carboxylic acids with alcohols in presence of cone. H2SO4 is called

1.esterification

2.neutralization

3.hydrolysis

4.saponification

Posted Date:-2021-09-08 21:11:01

Question: 
? - amino succinic acid is also called

1.lysine

2.aspartic acid

3.alanine

4.glutamic acid

Posted Date:-2021-09-08 21:11:01

Question: 
According to VESPR Model the geometry of molecule having 5 bond pair in outer most shell will be

1.Triangular

2.Square planner

3.Trigonal bipyramidal

4.Octahedral

Posted Date:-2021-09-08 21:11:01

Question: 
Amino acids present in cheese

1.lysine

2.alanine

3.tyrosine

4.proline

Posted Date:-2021-09-08 21:11:01

Question: 
An acid with unpleasant smell

1.formic acid

2.acetic acid

3.propionic acid

4.butyric acid

Posted Date:-2021-09-08 21:11:01

Question: 
Angle in water molecule is

1.104.9?

2.104.5?

3.109.5?

4.120?

Posted Date:-2021-09-08 21:11:01

Question: 
Bond order for N2 molecule is

1.2

2.1

3.3

4.4

Posted Date:-2021-09-08 21:11:01

Question: 
Bond will beionic when E.N difference of bonded atom is

1.Equal to 1.7

2.Greater than 1.7

3.Less than 1.7

4.No specificity exists

Posted Date:-2021-09-08 21:11:01

Question: 
By combining n atmic orbitals no. of hybrid orbitals will be

1.2n

2.n

3.3n

4.impossible to predict

Posted Date:-2021-09-08 21:11:01

Question: 
Carboxylic acid on reduction with HI / phosphorous yields

1.alkane

2.alcohols

3.aldehydes

4.ketones

Posted Date:-2021-09-08 21:11:01

Question: 
Elements having high I.P values are

1.Metals

2.Non metals

3.Liquids

4.Solids

Posted Date:-2021-09-08 21:11:01

Question: 
Elements of group IA IIA are

1.Electronegative

2.Electropositive

3.Neutral

4.IA is electropositive while IIA is electronegative

Posted Date:-2021-09-08 21:11:01

Question: 
Energy released or absorbed when electrons are added in atom is

1.Ionization potential

2.Electronegativity

3.Electron affinity

4.Activation energy

Posted Date:-2021-09-08 21:11:01

Question: 
Essential amino acids are

1.5

2.10

3.15

4.20

Posted Date:-2021-09-08 21:11:01

Question: 
Geometry of molecule will be pyramidal if the outer post shell of the central atom has

1.3 bond pair one lone pair

2.2 bond pair 2 lone pair

3.1 bond pair 3 lone pair

4.3 lone pair 1 bond pair

Posted Date:-2021-09-08 21:11:01

Question: 
Geometry of simple molecule having sp3 hybrid orbital is

1.Triangular

2.Tetrahedral

3.Square planner

4.Linear

Posted Date:-2021-09-08 21:11:01

Question: 
Greater shielding effect corresponds to ionization energy value

1.Greater

2.Lesser

3.Remain same

4.No effect

Posted Date:-2021-09-08 21:11:01

Question: 
In a period electronegativity from left to right

1.Increases

2.Decreases

3.Remain constant

4.Variable trend

Posted Date:-2021-09-08 21:11:01

Question: 
Ionic bond is produced after complete transfer of

1.Nucleus

2.Neutrons

3.Electrons

4.Protons

Posted Date:-2021-09-08 21:11:01

Question: 
Major cause of SO2 on global scale is

1.volcanoes

2.electric sparks

3.combustion

4.all

Posted Date:-2021-09-08 21:11:01

Question: 
Molecular orbital which have higher energy than atomic orbitals is called

1.Bonding molecular orbital

2.Antibonding molecular orbital

3.Hybrid orbital

4.Super atomic orbital

Posted Date:-2021-09-08 21:11:01

Question: 
Mostly ionic compound are produced in between elements of

1.IA and VIA

2.IA IIA and VIIA

3.IB and VIIB

4.IA and IB

Posted Date:-2021-09-08 21:11:01

Question: 
on sp3 hybridization

1.All p-orbitals are involved

2.One s and 3 p-orbitals are involved

3.one p-orbital is involved

4.four p-orbitals are involved

Posted Date:-2021-09-08 21:11:01

Question: 
Orbitals of same energy produced after mixing of orbitals of different energy are called

1.Degenerate orbitals

2.Generate orbitals

3.Hybrid orbitals

4.Zeeman orbitals

Posted Date:-2021-09-08 21:11:01

Question: 
Pi bonds are produced by overlapping of

1.Un-hybrid orbitals

2.Hybrid orbitals

3.Hybrid and un hybrid orbitals

4.atomic orbital and hybrid orbital

Posted Date:-2021-09-08 21:11:01

Question: 
Picric acid is

1.monocarboxylc acid

2.dicarboxylic acid

3.aromatic carboxylic acid

4.none of these

Posted Date:-2021-09-08 21:11:01

Question: 
Product of charge and distance is called

1.Pressure

2.Bond length

3.Work

4.Dipole moment

Posted Date:-2021-09-08 21:11:01

Question: 
Requirement of macronutrient per acre of the land is

1.5 to 200 kg

2.20-200 kg

3.200-400 kg

4.30-400 kg

Posted Date:-2021-09-08 21:11:01

Question: 
Residence time of methane in the atmosphere is

1.3 - 7 days

2.2 -3 days

3.3 - 7 years

4.2 - 3 years

Posted Date:-2021-09-08 21:11:01

Question: 
Sharing of 1 electron pair by one specie forms

1.Single covalent bond

2.Hydrogen bond

3.Double covalent bond

4.Coordinate covalent bond

Posted Date:-2021-09-08 21:11:01

Question: 
The aliphatic monocarboxylic acids are obtained by the hydrolysis of

1.proteins and oild

2.fats and proteins

3.fats and oils

4.all above

Posted Date:-2021-09-08 21:11:01

Question: 
The basic hydrolysis of ethyl acetate produces

1.ethanol

2.acetic acid

3.ethanol and acetic acid

4.ethanol and sodium acetate

Posted Date:-2021-09-08 21:11:01

Question: 
The complete reduction carboxylic acid results in the formation of

1.Alkyne

2.Alkene

3.Alkane

4.Alcohol

Posted Date:-2021-09-08 21:11:01

Question: 
The formula of palmitic acid

1.C15H31COOH

2.C13H27COOH

3.C17H33COOH

4.C17H35COOH

Posted Date:-2021-09-08 21:11:01

Question: 
The geometry of ammonia is

1.Tetrahedral

2.Square planner

3.Trigonal bipyramidal

4.Trigonal Pyramidal

Posted Date:-2021-09-08 21:11:01

Question: 
The Lewis acids are

1.Electron deficient

2.Electron rich

3.Octet is complete

4.No such acids exist

Posted Date:-2021-09-08 21:11:01

Question: 
The organic acid that can be made from ethanol is

1.Acetic acid

2.Formic acid

3.Butanoic acid

4.Citric acid

Posted Date:-2021-09-08 21:11:01

Question: 
Three elements needed for the healthy growth of plants are

1.N P K

2.N K C

3.N S P

4.N Ca P

Posted Date:-2021-09-08 21:11:01

Question: 
Unit of dipole moment is

1.Debye

2.Poise

3.Pascal

4.Newton

Posted Date:-2021-09-08 21:11:01

Question: 
Unpaired electron in a molecule gives _________ character.

1.Ferromagnetic

2.Paramagnetic

3.Diamagnetism

4.Both a & b

Posted Date:-2021-09-08 21:11:01

Question: 
Which of the following has orange flavour

1.isobutyl formate

2.octyl acetate

3.ethyl butyrate

4.amyl lactate

Posted Date:-2021-09-08 21:11:01

Question: 
Which of the following is a macronutrient?

1.boron

2.iron

3.copper

4.carbon

Posted Date:-2021-09-08 21:11:01

Question: 
Which of the following is an unsaturated carboxylic acid

1.malonic acid

2.oxalic acid

3.succinic acid

4.maleic acid

Posted Date:-2021-09-08 21:11:01

Question: 
Which of the following is not a fatty acid?

1.Propanoic acid

2.Acetic acid

3.Phthalic acid

4.Butanoic acid

Posted Date:-2021-09-08 21:11:01

Question: 
Which of the following is not a heavy industry?

1.iron

2.fertilizer

3.paper

4.none

Posted Date:-2021-09-08 21:11:01

Question: 
Which of the following is not a secondary pollutant

1.ozone

2.carbonic acid

3.sulphuric acid

4.carbon dioxide

Posted Date:-2021-09-08 21:11:01

Question: 
Which of the following is not an amino acids

1.glumatic acid

2.lactic acid

3.aspartic acids

4.glycine

Posted Date:-2021-09-08 21:11:01

Question: 
Which of the following is not an ester

1.amyl acetate

2.sodium butyrate

3.isobutyle formate

4.octyl acetate

Posted Date:-2021-09-08 21:11:01

Question: 
Which of the following solutions of H2SO4 is more concentrated?

1.1 Molar solution

2.1 molal solution

3.1 normal solution

4.all have same concentration

Posted Date:-2021-09-08 21:11:01

Question: 
Which one of the following has polar covalent bond?

1.HF

2.CH4

3.H2

4.N2

Posted Date:-2021-09-08 21:11:01

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