Biology/Biology MCQ Question - Solutions Sample Test,Sample questions

Question:
1 molar solution of glucose in water contains weight of glucose

1.180g/dm3

2.170g/dm3

3.190g/dm3

4.195g/dm3


Question:
10ml of alcohol dissolve in 90ml of water unit of concentration used is

1.% w/w

2.% w/v

3.% v/v

4.% v/w


Question:
58.5g of of NaCl per 1 dm3 of solution of NaCl in water the concentration of solution will be

1.0.1 M

2.1 m

3.1 M

4.0.1 N


Question:
Among halogens the highest boiling point is of

1.Flrorine

2.Chlorine

3.Bromine

4.Iodine


Question:
An element having low value of ionization energy and low value of electron affinity is likely to belong to

1.Group IA

2.Group IB

3.Group VIIA

4.Group VIII


Question:
Beckmanns apparatus is used to measure

1.boiling point elevation

2.depression in freezing point

3.lowering of vapour pressure

4.lowering of osmotic pressure


Question:
Boiling point elevations can be measured by

1.Beckmanns method

2.Landsbergers method

3.Linds method

4.none of the above


Question:
Concentration of solute molecule when they are in equilibrium with solid substance at particular temperature is called

1.saturated solution

2.solubility

3.unsaturated solution

4.super saturated solution


Question:
Concept of Triads was introduced by

1.Dobereiner

2.Newland

3.Mendeleev

4.Al-Razi


Question:
Elements in the same vertical group of the periodic table have same

1.Number of valence electrons

2.Atomic number

3.Atomic mass

4.Atomic volume


Question:
Elements with similar chemical properties appear in the

1.Same family

2.Same period

3.p block elements

4.Right upper corner


Question:
Every sample of matter with uniform properties and fixed composition is called

1.solute

2.solvent

3.solution

4.phase


Question:
Homogeneous mixture of two or more than two compounds is called

1.solution

2.compound

3.radical

4.ion


Question:
Hydration is a process in which

1.Molecules are surrounded by solvent molecules

2.Ions are surrounded by solvent molecules

3.Both ions and molecules are surrounded by solvent molecules

4.Both ions and molecules are surrounded by water molecules


Question:
If the volume of solution is equal to sum of volumes of its all components then the solution

1.will be an ideal solution

2.will be non-ideal solution

3.will show deviations from Raoults law

4.both b & c


Question:
In modern periodic table all the leements are arranged in ascending order of

1.Valency

2.Atomic mass

3.Atomic number

4.Valence electrons


Question:
In partially miscible liquids the two layers are

1.saturated solutions of each liquid

2.unsaturated solutions of each liquid

3.normal solution of each liquid

4.no layer formation takes place


Question:
Mixtures which distill over without change in composition called

1.zeotropic mixture

2.azeotropic mixture

3.amphoteric mixture

4.ideal solution


Question:
Noble gases are named so because they are

1.less reactive

2.Zero group elements

3.Having completely filled valence shell

4.All


Question:
Number of moles in 1 kg of solvent is called

1.normality

2.molarity

3.molality

4.mole fraction


Question:
Periodic table provides a basic framework to study elements with respect to their

1.Physical properties

2.Chemical properties

3.Properties of their compounds

4.All


Question:
ppm means

1.parts of solute in 1000 parts of solvent

2.parts of solvent in 1000 parts of solute

3.parts of solute in one million parts of solution

4.parts of solvent in one million parts of solute


Question:
Solubility of KCIO3 gives

1.continuous and falling solubility curve

2.discontinuous and falling solubility curve

3.continuous and rising solubility curve

4.discontinuous and rising solubility curve


Question:
Solution of Na2SO4 will be

1.basic

2.acidic

3.neutral

4.cannot be presicted without data


Question:
Solution with maximum concentration of solute at given temperature is called

1.Super saturated solution

2.unsaturated solution

3.saturated solution

4.dilute solution


Question:
The component of solution which is in smaller amount is called

1.solvent

2.solute

3.phase

4.ion


Question:
The compounds in which water molecules are added are called

1.Hydrated ions

2.double salts

3.hydrates

4.complexes


Question:
The determination of correct molecular weight from Raoults law is applicable to

1.a volatile solute in dilute solution

2.a non-electrolyte & non volatile solute in concentrated solution

3.a non-electrolyte & non volatile solute in concentrated solute

4.non volatile solute in a dilute solution


Question:
The longest period in the modern periodic table is

1.6th

2.7th

3.2nd and 3rd both

4.5th


Question:
The molal boiling point constant is the ration of the elevation of boiling point to

1.Molarity

2.Molality

3.More fraction of solvent

4.Mole fraction of solute


Question:
The relative lowering of vapour pressure is

1.equal to the mole fraction of solvent

2.equal to the mole fraction of solute

3.directly proportional to the mole fraction of solute

4.both b & c


Question:
The relative lowering of vapour pressure is directly proportional to molality if the solution is

1.concentrated

2.dilute

3.saturated solution

4.all of the above


Question:
The scientist who did not contribute in the construction of periodic table?

1.Al-Razi

2.Moseley

3.Dobereiner

4.Democritus


Question:
The solution which distils over with change in composition

1.ideal solution

2.zeotropic solution

3.azeotropic solution

4.non-ideal solution


Question:
Water molecules surrounds more around

1.ve ion

2.complex ion

3.?ve ion

4.neutral atom


Question:
Water of crystallization can be removed by

1.drying

2.heating

3.evaporation

4.All of the above


Question:
When common salt is dissolved in water?

1.Boiling point of water dicrease

2.Boiling point of water increase

3.Boiling point of water remains same

4.None of the above


Question:
Which element was not known when Mendeleev proposed his classification?

1.Hydrogen

2.Sodium

3.Copper

4.Germanium


Question:
Which has the minimum freezing point?

1.One Molal NaCI

2.One molal KCI solution

3.One molal CaCI2

4.One molal urea solution


Question:
Which of the following always increases on going from top to bottom in a group?

1.Metallic character

2.Electronegativity

3.Oxidizing power

4.Tendency to get reduced


Question:
Which of the following are the conditions of colligative properties

1.Non-electrolye solute

2.Non-volatile solute

3.Dilute solution

4.All of the above


Question:
Which of the following is an example of liquid in gas solution.

1.Opals

2.Dust particles in smoke

3.Paints

4.Fog


Question:
Which of the following is not a colligative property?

1.Lowering of vapour pressure

2.Freezing point

3.Osmotic pressure

4.Elevation of polling point


Question:
Which of the following substance do not show continuous solubility curve?

1.KCIO4

2.Na2SO4. 10H2O

3.K2Cr2O7

4.PbCl2


Question:
Which of the following unit of concertration is independent of temperature?

1.Molarity

2.Molality

3.Mole fraction

4.all


Question:
Which of the following will not form crystalline structure with opporitely charged ions

1.H+

2.H-

3.Mg2+

4.Ca2+


Question:
Which of the p-block elements are not representative elements?

1.Alkali metals (I-A)

2.Group-14 elements (IV-A)

3.Group-18 elements (VIII-A)

4.Halogens (VII-A)


Question:
Which one of the following salt does not hydrolyzed

1.Na2SO4

2.AlCl3

3.CuSO4

4.NH4Cl


Question:
Which set of elements is listed in order of increasing ionization energy?

1.Sb < As < S < P < Cl

2.Cl < Sb < P < As < S

3.As < Cl < P < S < Sb

4.Sb < As < Cl < S < P


Question:
Which statement is incorrect?

1.All the metals are good conductor of electricity.

2.All the metals are good conductor of heat

3.All the metals form positive ions

4.All the metals form acidic oxides


More MCQS

  1. MCQs Question and Answer -Biology Set I
  2. MCQs Question and Answer -Biology Set 2
  3. MCQs Question and Answer -Biology Set 3
  4. MCQs Question and Answer -Biology Set 4
  5. Biology MCQS[NEET-2021 to 2022]-Anatomy mcq for competitive exams
  6. Biology MCQS[NEET-2021 to 2022]-Ecology mcq for competitive exams
  7. Biology MCQS[NEET-2021 to 2022]-Biology MCQS 2021
  8. Biology MCQS[NEET-2021 to 2022]-Biology (living world)
  9. Biology MCQS[NEET-2021 to 2022]-Plant anatomy mcq for competitive exams
  10. Biology MCQS[NEET-2021 to 2022]-CELL STRUCTURES AND FUNCTION mcq for competitive exams
  11. Biology MCQS[NEET-2021 to 2022]-General biology mcq for competitive exams
  12. Biology MCQS[NEET-2021 to 2022]-Human physiology
  13. Biology MCQS[NEET-2021 to 2022]-Ecology-II
  14. Biology MCQS[NEET-2021 to 2022]-Reproduction in plants
  15. Biology MCQS[NEET-2021 to 2022]-Human reproduction
  16. Biology MCQS[NEET-2021 to 2022]-Animal kingdom
  17. Biology MCQS[NEET-2021 to 2022]-Animal kingdom-2
  18. Biology MCQS[NEET-2021 to 2022]-Microorganisms
  19. Biology MCQS[NEET-2021 to 2022]-Natural resources and conservation
  20. Biology MCQS section -1
  21. Biology MCQS section -2
  22. Biology MCQS section -3
  23. Biology MCQS section -4
  24. Biology Corona and Cancer Mcq question
  25. Biology MCQ Question - Bioenergetics
  26. Biology MCQ Question - Biological Molecules
  27. Biology MCQ Question - Kingdom Fungi
  28. Biology MCQ Question - The Variety of Life
  29. Biology MCQ Question - Chromosome and DNA
  30. Biology MCQ Question - Coordination and Control
  31. Biology MCQ Question - Transport
  32. Biology MCQ Question - Biotechnology
  33. Biology MCQ Question - Chemical Bonding
  34. Biology MCQ Question - Diagnostic Test
  35. Biology MCQ Question - Ecosystem
  36. Biology MCQ Question - Gases
  37. Biology MCQ Question - Periodic Classification
  38. Biology MCQ Question - Solutions
  39. Biology MCQ Question - Alkyl Halides
  40. Biology MCQ Question - Organic Chemistry
  41. Biology MCQ Question - Growth and development
  42. CELL Mcq Questions
  43. Biology – Biomolecules – Structure of Proteins MCQs
Search
R4R Team
R4Rin Top Tutorials are Core Java,Hibernate ,Spring,Sturts.The content on R4R.in website is done by expert team not only with the help of books but along with the strong professional knowledge in all context like coding,designing, marketing,etc!