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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.

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Recently added practice questions

4761. The evidence of the witnesses in attendance to be taken orally in_________________?
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A. Open Court

B. None of the these

C. Beyond Court

D. None of the above

4762. The evaporative cooling in the respiratory tract of dogs is called?
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A. All of these

B. Vasoconstriction

C. Vasodilation

D. Panting
4764. The Ethyl alcohol (Ethanol) is more effective when mixed with water and used as_____________?
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A. 20 to 30 percent

B. 10 to 20 percent

C. 40 to 50 percent

D. 60 to 70 percent
4765. The Ethyl alcohol (Ethanol) is more effective when mixed with water and used as_____________?
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A. 60 to 70 percent

B. 40 to 50 percent

C. 20 to 30 percent

D. 10 to 20 percent

4766. The Estimation and testing of hypothesis are main branches of ________________?
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A. Statistical Inference

B. Regression

C. Probability distribution

D. Sampling

4772. The equilibrium price clears the market it is the price at which _________________?
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A. Buyers spend all their money

B. C and D

C. Excess demanded equals quantity

D. Everything is sold

E. Quantity demanded equal quality supplied

4773. The equilibrium constant of a catalytic chemical reaction _______________ due to the presence of?
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A. atalyst.

B. Decreases

C. Remain unaffected

D. Increases

E. Unpredictable from the data

4774. The equilibrium constant for the reversible reaction as shown in the bellow figure, is affected by the__________________?
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A. Kinetics of the reaction

B. Temperature of the system

C. Presence or absence of inerts

D. Pressure of the system
4775. The equation, NA = (DAB . Pt /RTZ . PBM) (PA1 PA2) is for_______________________?
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A. Liquid M.T.C. by Higbie penetration theory

B. Steady state diffusion for stagnant case

C. Ficks second law of diffusion

D. None of these

4778. The equation of continuity holds good when the flow____________________?
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A. is steady

B. velocity is uniform at all the cross sections

C. none of the above

D. is one dimensional

E. all of the above
4779. The equation of continuity holds good when the flow __________________?
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A. velocity is uniform at all the cross sec-tions

B. none of the above

C. all of the above

D. is one dimensional

E. is steady

4780. The environment where an organism lives is__________________?
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A. Girding

B. Habitat

C. Logging

D. None of the above

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  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.

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