Latest Physics Chemistry Zoology Economics PPSC (SS) Jobs Subject Specialist Best MCQs Sample Papers
Latest Economics PPSC (SS) Jobs Subject Specialist Best MCQs Sample Papers
- The largest source of tax revenue for the federal government is:
a. the personal income tax
b. the social security tax
c. the property tax
d. the sales tax2. When my income was $100,000, I paid $10,000 in taxes. When my income became $200,000, I paid $40,000 in taxes. My marginal tax rate is:
a. 10%
b. 20%
c. 30%
d. 40%3. The tax is question #2 is:
a. progressive
b. regressive
c. proportional4. Which of the following taxes is regressive?
a. the federal income tax
b. the state income tax
c. the sales tax
d. the Medicare tax5. Assume that there are two goods, A and B. In 1996, Americans produced 10 units of A at a price of $10 and 20 units of B at a price of $20. In 2002, Americans produced 20 units of A at a price of $20 and 30 units of B at a price of $30. The Nominal GDP for 2002 is:
a. $100
b. $400
c. $500
d. $900
e. $13006. Using the numbers in question 5, the Real GDP for 2002 is:
a. $400 b. $500 c. $800 d. $900 e. $1,3007. Which of the following statements is/are true?
a. Business Investment Spending occurs when individuals buy stock in the stock market
b. Productivity is the United States grew very slowly between 1973 and 1996
c. Because of discouraged workers, the official unemployment rate is too high
d. “Full employment” occurs when there is no frictional unemployment8. Immediately after a trough, we would expect to have a/an
a. peak
b. recession
c. recovery
d. another trough9. Last week, Martha spent one day cleaning a house. For this, she was paid $50. The rest of the week, she spent looking for a job. Martha would be classified as
a. employed
b. unemployed
c. not in the labor force10. John lost his accounting job when Montgomery Wards closed its stores in San Diego. He looked for a similar job for ten months before finding an accounting job at Sears. During the month John was unemployed, he was
a. frictionally unemployed
b. seasonally unemployed
c. cyclically unemployed
d. structurally unemployedAnswers: A C A C E C B C A D
11. Which of the following IS a function of money?
a. medium of exchange
b. store of value
c. unit of accounting
d. all of the above12. Which of the following is a component of M-1?
a. savings deposits
b. credit card
c. checkable deposits
d. gold13. Which of the following is a NOT component of M-2?
a. small time deposits
b. money market mutual funds
c. stocks
d. checkable deposits14. Which of the following is true about the Federal Reserve System (Fed)?
a. it is a system of 12 central banks
b. its Board of Governors is elected by a vote of the people
c. its main policy-making body is the FDIC
d. it accepts deposits from the public and makes loans to businesses
e. all of the above15. An IOU of the Federal Reserve Bank of San Francisco to Bank of America is called:
a. discounts
b. federal funds
c. reserves
d. collateral16. Which of the following is the most liquid?
a. a savings account
b. a 6 month CD
c. a home
d. water17. The monetary base is composed of:
a. gold and silver
b. currency only
c. currency and reserves
d. currency and checkable deposits18. If the monetary base is increased by $1,000 and the reserve requirement is 10% (1/10), by how much will the money supply be increased?
a. $100
b. $1,000
c. $5,000
d. $10,00019. If the Federal Reserve wishes to increase the money supply, it should:
a. raise the reserve requirement
b. raise the discount rate
c. buy Treasury securities in the open market
d. all of the above20. An increase in the money supply will cause interest rates to
a. rise
b. fall
c. remain unchangedAnswers: D C C A C A C D C B
Latest Physics PPSC Jobs Subject Specialist (SS) MCQs Sample Papers
- Lorentz force is the sum of:
a) Gravitational and centripetal force
B) ELECTRIC AND MAGNETIC FORCE
c) Magnetic and nuclear force
d) Electrical and nuclear force2. The areas under the hysteresis loop is proportional to
a) Magnetic energy density
b) Thermal energy per unit volume
C) ELECTRIC ENERGY PER UNIT VOLUME
d) Mechanical energy per unit volume3. The frequency of A.C is measured using:
a) Multimeter b) avometer c) TACHOMETER d) speedometer4. Del. E = rho/epsilon not is called
a) GAUSS’S LAW b) faraday’s law c) ampere’s law d) biot savart’s law5. For computation of the rate at which the dipole radiates energy, the interaction of the normal component of __________ is done over sphere of radius R.
a) ELECTRIC FIELD b) pointing vector c) addition vector d) radiation6. Semiconductor materials have _____ bonds.
a) Ionic b) COVALENT c) mutual d) metallic7. The depletion region of a pn junction is formed:
a) During the manufacturing process
B) WHEN FORWARD BIAS IS APPLIED TO IT
c) Under reverse bias
d) When its temperature is reduced8. The current amplification factor DC is given by:
A) IC/IE b) Ic/Ib c)Ib/Ie d) Ib/Ic9. In amplitude modulation
a) Carrier frequency is changed
B) CARRIER AMPLITUDE IS CHANGED
c) Three sidebands are produced
d) Fidelity is improved10. Demodulation
a) Is performed at the transmitting station
b) Removes side bands
c) Rectifies modulation signal
d) IS OPPOSITE OF MODULATION11. Which of the following x-ray lines will have the largest frequency in a given element
a) K alpha b) K BETA c) L gamma d) it depends on the element12. Which of these statements is a consequence of planck’s derivation of a radiation law?
a) Atomic oscillator can emit and absorb energy at discrete values only
b) ATOMIC OSCILLATOR CAN EMIT AND ABSORB ENERGY AT DISCRETE FREQUENCIES ONLY
c) Both A & B
d) None of these13. The Zeeman effect without the spin of the electron is called_____ Zeeman effect
a) ANOMALOUS b) normal c) paschen d) None of these14. Zero point energy of harmonic oscillator is
a) hw b) HW/2 c) zero d)hw215. According to pauli exclusion principle for two identical ferminions the total __ is antisymmetric
a) Matrix b) WAVE FUNCTION c) operator d) tensor16. The decay rate of a radioactivity is measured in units of
a) CURIES b) roentgens c) rads d) rems17. Why are the fission fragments usually radioactive?
a) They come originally from radioactive U235
b) They have a large neutron excess
c) THEY HAVE A LARGE BINDING ENERGY PER NUCLEON
d) They are moving at high speed18. In a nuclear reactor, the function of the moderator is
a) To absorb neutrons
b) To keep the reactor from going critical
c) TO SLOW DOWN THE NEUTRONS
d) To absorb heat from the core19. What is the main difficulty associated with the fusion process as a source of electrical power
a) The scarcity of fuel
b) THE COULOMB BARRIER
c) The radioactivity of the products
d) The danger of an explosion20. Binding energy of a deuteron is
A) 2.22 MEV b) 2.8Mev c) 2.3Mev d)none of these
Latest Chemistry PPSC Jobs Subject Specialist (SS) MCQs Sample Papers
(2) If the rate of a reaction does not change with time then the reaction should be:
(a) moderately slow (b) very fast (c) catalyzed
(d) zeroth order (e) None of these.
(3) If a chemical reaction reaches equilibrium state:
(a) its forward and backward rates are equal
(b) its overall free energy change becomes zero
(c) its equilibrium constant is the ratio of the two rate constants
(d) all of these (e) none of these
(4) PCl5(g) ® PCl3(g) +Cl2(g). The units of equilibrium constant, Kc for the reaction
is:
(a) L mol–1 (b) mol L –1 (c) mol –1 L –1
(d) mol –2 L–2 (e) None of these
(5) Energy of a typical H – bond ranges between:
(a) 2 to 4 kJmol –1 (b) 5 to 10 kJmol –1
(c) 15 to 30 kJmol –1 (d) 40 to 80 kJmol –1
(e) None of these
(6) Which of the pairs makes an “ideal mixture”:
(a) benzene-methanol (b) benzene-toluene
(c) ethanol-methanol (d) ethanol-water
(e) None of these
(7) Which of the following concentration units depends on temperature?
(a) molarity (b) molality
(c) mole fraction (d) weight to weight (W/W) %
(e) None of these
(8) A 0.4% (W/V) aqueous solution of NaOH is nearly:
(a) 1 M (b) 0.5 M (c) 0.1 M
(d) 0.01 M (e) None of these
(9) Which of the followings is correct for the ground state of O2 molecule?
(a) bond order two and no unpaired electron
(b) bond order two and one unpaired electron
(c) bond order two and two unpaired electron in the bonding orbital
(d) bond order two and two unpaired electrons in the anti-bonding orbital
(e) None of these
(10) Which one should give the simplest proton NMR spectrum?
(a) CH3CH2OH (b) CH3OH (c) CH3OCH3
(d) CH3CHO (e) all are equally complicated
(11) Which group has the highest stretching frequency of IR-region in the gas phase?
(a) º C -H (b) = C -H (c) – O – H
(d) – N – H (e) all are equal
(12) Which of the following should not be formed according to the bonding theories?
(a) H +
2 (b) H –
2 (c) He 2
(d) He2
+ (e) None of these
(13) There remains no liquid-vapour boundary at:
(a) boiling point (b) critical temperature
(c) triple point (d) azeotrope composition
(e) None of these
(14) For a catalyzed reaction as compared to the uncatalyzed one:
(a) heat of reaction is higher (b) heat of reaction is lower
(c) heat of reaction is same (d) activation energy is same
(e) All above are correct
(15) When two ideal gases at the same temperature are mixed together:
(a) there is a negative heat of mixing
(b) there is a positive heat of mixing
(c) both heat and entropy of mixing are positive
(d) entropy of mixing alone is positive
(e) All above are correct
(16) Which of the series is present in the ultraviolet region for the H – atom?
(a) Layman (b) Balmer (c) Paschen
(d) Pfund (e) None of these
(17) pH of 0.01 M HCl solution should be:
(a) 3 (b)2 (c)1.5
(d) 1 (e) None of these
(18) Which of the ions should exhibit highest electrical mobility in aqueous solution?
(a) Na+ (b) I (c) Cs+
(d) Cd++ (e) Li+
(19) H2 + Br2 ® 2HBr is a very famous gas phase reaction. The overall order of this
reaction is:
(a) two (b) one (c) half
(d) one half in the beginning (e) All above are correct
(20) Presence of a chiral center in molecules makes them:
(a) absorb uv–radiation (b) absorb plane polarized light
(c) rotate plane polarized light (d) emit IR–radiation
(e) None of these
Latest Zoology PPSC Jobs Subject Specialist (SS) MCQs Sample Papers
(1) Chemical composition of Ribosomes is:
(a) DNA
(b) RNA
(c) DNA & Protein
(d) RNA & Protein
(2) Electron Transport chain is located in:
(a) cytoplasm
(b) mitochondria
(c) lysosmes
(d) Nucleus
(3) Transcription involve the synthesis of:
(a) Mrna
(b) rRNA
(c) tRNA
(d) All of these
(4) XXY individual in Drosophila (Fruit fly) is:
(a) male
(b) female
(c) sterile
(d) All of these
(5) Ecological niche is of an individual:
(a) address
(b) profession
(c) Both (a) and (b)
(d) None of these
(6) Crossing over involve the formation of:
(a) desmonstomata
(b) chromonemata
(c) chiasmata
(d) All of these
(7) Attachment of O2 with hemoglobin to form oxyhemoglobin is a change:
(a) Physical
(b) Chemical
(c) Both (a) and (b)
(d) None of these
(8) Acetylcholine is a:
(a) chemical transmitter
(b) electrical transmitter
(c) physical transmitter
(d) None of these
(9) In Blood groups gene IA and IB are:
(a) Co-dominant
(b) Co-recessive
(c) Dominant recessive
(d) Incomplete Dominant
(10) The idea of Lamarack on evolution is based upon:
(a) Use & Disuse of organs
(b) Acquired character
(c) Both (a) and (b)
(d) None of these
(11) Ammonia is the excretory nitrogenous waste:
(a) Primary
(b) Secondary
(c) Tertiary
(d) None of these
(12) Special functions of smooth Endoplasmic reticulum is:
(a) Lipid synthesis
(b) Glycogenolysis
(c) Detoxification
(d) All of these
(13) In birds sex is determined by the type of:
(a) Sperms
(b) Eggs
(c) Both (a) and (b)
(d) None of these
(14) The Pre-Historic atmosphere of earth had:
(a) methane
(b) ammonia
(c) hydrogen sulphide
(d) All of these
(15) C. Linneous proposed the method of naming organisms:
(a) uninominal
(b) binomial
(c) trinomial
(d) None of these
(16) Trypsin is protease secreted in:
(a) Bile
(b) Saliva
(c) Gastric juice
(d) Pancreatic juice
(17) Cerebellum is the part of brain:
(a) Forebrain
(b) Mid-brain
(c) Hind-brain
(d) Spinal cord
(18) The constriction of centromere is called as:
(a) Primary
(b) Secondary
(c) Tertiary
(d) All of these
(19) Gene for Haemophilia in man is located on:
(a) autosome
(b) X-chromosome
(c) Y-chromosome
(d) All of these
(20) DNA duplicate during:
(a) Prophase
(b) Metaphase
(c) Telophase
(d) Interphase
Latest Physics Chemistry Zoology Economics PPSC (SS) Jobs Subject Specialist Best MCQs Sample Papers