Student preparing for a multiple-choice competitive exam

Pakistan's MCQ Practice Library for Competitive Exams

mcqpk.com helps students and job candidates practise multiple-choice questions by subject, then build a free test to check what they have learned.

Questions are reviewed over time, but syllabuses and factual answers can change. Always confirm important information with the relevant official source.

Start a practice testHow we review MCQs

Prepare for your exam

FPSCFederal recruitment MCQ preparationPPSCPunjab recruitment test preparationKPPSCKP screening and ability testsNTSNAT and GAT practice guidanceCSS MPTCSS 2027 preliminary preparation

Recently added practice questions

10601. Chemicals, used for controlling the disease of crops, fruits & vegetables is___________ & chemical prepared for controlling insect-pests -:
comments icon0

A. Weedicidesinsecticides

B. None of the above

C. InsecticidesHerbicides

D. FungicidesInsecticides
10602. Chemicals which are produced in the brain and facilitate communication between nerve cells are called ______________?
comments icon0

A. plasmas

B. neurotransmitters

C. syntactic structures

D. adrenocorticoids

10603. Chemical name of alum is__________________?
comments icon0

A. Aluminium chloride

B. Calcium sulphate

C. Aluminium sulphate

D. Barium sulphate

10604. Chemical method of strengthening porcelain involves_________________?
comments icon0

A. Exchange of aluminium and sodium ions

B. Exchange of sodium and potassium ions

C. Exchange of aluminium and potassium ions

D. None of the above

10605. Chemical kinetics can predict the _______________ of a chemical reaction?
comments icon0
A. Rate

B. Feasibility

C. Both A. & B.

D. Neither A. nor B.

10606. Chemical formula of biuret is_________________?
comments icon0

A. NH2.CO.NH2

B. NH2CONHCONH2

C. NH4COONH2

D. NH3.COO.NH3

10607. Chemical formula for Water is _______ ?
comments icon0

A. NaAlO2

B. Al2O3

C. H2O

D. CaSiO3

10608. Chemical engineering thermodynamics is concerned with the ____________ in/of chemical processes?
comments icon0

A. Calculation of rates

B. None of these

C. Energy transformation from one form to another

D. Reaction mechanism

10609. Check valve provided in the discharge line of a centrifugal pump serves the purpose of controlling the_______________?
comments icon0

A. Discharge pressure

B. Flow of liquid during operation of the pump

C. Back flow of fluid in the event of stoppage of pump

D. All A., B. and C.

10610. Check in a centrifugal pump is________________?
comments icon0

A. Provided to prevent liquid from backing up through the pump when the pump is turned off or

B. All A., B. and C.

C. Provided in the discharge line

D. Generally a globe valve

E. idently stops running

10611. chaucers franklin was guilty of which sin ?
comments icon0

A. Lust

B. Theft

C. Gluttony

D. Corruption

10612. Chattan pati is the old name of___________?
comments icon0

A. Dera Allah yar

B. Noor pur

C. Bhand

D. Fareedabad
10613. Charles W. Chesnutt used vernacular speech to________________?
comments icon0

A. Make his written inaccessible to white audiences

B. Challenge American stereotypes about race

C. To encourage feelings of pride in African American readers

D. Explain how African Americans could not learn standard English

10614. Charles Franklin Kettering invented_____________?
comments icon0
A. automobile self start

B. lamp

C. Quick start

D. clock

10615. Characteristic gas constant of a gas is equal to______________________?
comments icon0

A. Cv/Cp

B. Cp + Cv

C. Cp x Cv

D. Cp Cv

E. C/Cv

10616. Character is developed by?
comments icon0

A. Conduct and behavior

B. Morality

C. Willpower

D. All of the above
10617. Change the narration. Sana said, I have already written a letter to my family.
comments icon0

A. Sana said that she had already been written a letter to her family.

B. Sana said that she has already been written a letter to her family.

C. Sana said that she has already written a letter to her family.

D. Sana said that she had already written a letter to her family.
10618. Change of heat content when one mole of compound is burnt in oxygen at constant pressure is called the__________________?
comments icon0

A. Heat of formation

B. Heat of combustion

C. Heat of reaction

D. Calorific value

10619. Change in volume of metals from absolute zero temperature to their melting points is___________________?
comments icon0
A. Almost same for all metals

B. Different for different metals

C. Less for low melting point metals

D. Less for high melting point metals

10620. Change in enthalpy in a closed system is equal to heat transferred if the reversible process takes place at constant________________?
comments icon0

A. temperature

B. pressure

C. entropy

D. volume

E. internal energy

How to use MCQPK

  1. Choose a subject from the navigation or subject directory.
  2. Work through the questions and compare each option with the marked answer.
  3. Use the online quiz to practise a mixed or subject-specific set.
  4. Report a doubtful answer so it can be reviewed and corrected.

MCQPK is an independent study resource. It is not affiliated with FPSC, PPSC, KPPSC, NTS or any other testing body.