Q: 1541 How many time the word ‘Quran’ is repeated in Quran?

  1. 
    70
  2. 
    75
  3. 
    55
  4. 
    65

Q: 1542 During a total solar eclipse the rate of Photosynthesis___________?

  1. 
    Increase
  2. 
    Decrease
  3. 
    Remain Constant
  4. 
    None of them

Q: 1543 Water is a universal solvent for what reactions?

  1. 
    Chemical
  2. 
    Biochemical
  3. 
    Physical
  4. 
    Nuclear

Q: 1544 Name the battle which came to an end without result?

  1. 
    Hunain
  2. 
    Tabook
  3. 
    Ohad
  4. 
    Mota

Q: 1545 Name the mountain where the Holy Prophet (S.A.W) deputed 50 skillful archers (Teer-Andaaz) in battle of Ohad?

  1. 
    Jabal-e-Safa
  2. 
    Jabel-e-Yahnene
  3. 
    Jabal-e-ohad
  4. 
    Jabal al-Rumah

Q: 1546 Which of the following is closest to a yard in length?

  1. 
    0.01m
  2. 
    0.1m
  3. 
    1m
  4. 
    10m
  5. 
    100m

Q: 1547 The SI base unit for mass is_____________?

  1. 
    Gram
  2. 
    Pound
  3. 
    Kilogram
  4. 
    Ounce

Q: 1548 The average speed of a moving object during a given interval of time is always:

  1. 
    the magnitude of its average velocity over the interval
  2. 
    the distance covered during the time interval divided by the time interval
  3. 
    one-half its speed at the end of the interval
  4. 
    its acceleration multiplied by the time interval
  5. 
    one-half its acceleration multiplied by the time interval

Q: 1549 All of the following statements are incorrect except:

  1. 
    Precision and accuracy should go side by side in a scientific work
  2. 
    Scientific work must be precise, accuracy is not essential
  3. 
    Scientific work must be accurate, precision is not essential
  4. 
    Calculations must be made before any experiment

Q: 1550 An atom is_____________?

  1. 
    smallest indivisible particle in an element
  2. 
    smallest particle of an element which can undergo a chemical reaction
  3. 
    building block of an element
  4. 
    always smaller than molecule

Q: 1551 Honey contain glucose and fructose along with some other ingredients, it has greater viscosity due to____________?

  1. 
    hydrogen bonding
  2. 
    irregular shape of the molecules
  3. 
    irregular shape of the molecules and strong inter-molecular forces
  4. 
    greater molecular size

Q: 1552 Rate of evaporation of petrol is greater than that of water at room temperature because:

  1. 
    petrol molecules do not have any hydrogen bond
  2. 
    petrol is an organic compound
  3. 
    water molecules have small size
  4. 
    petrol molecules have greater size

Q: 1553 The increasing vapor pressure caused by heating a liquid is due to___________?

  1. 
    increase inter-molecular interactions
  2. 
    increasing potential energy of molecules
  3. 
    increasing kinetic energy of molecules
  4. 
    decreasing surface tension

Q: 1554 Color of the glow produced in the discharge tube:

  1. 
    depends on the pressure in the discharge tube
  2. 
    depends on the metal used as cathode
  3. 
    depends on the gas used in the discharge tube
  4. 
    does not depend on the nature of the gas used in the discharge tube

Q: 1555 Nuclear radiation is emitted by those elements whose:

  1. 
    molecules are stable
  2. 
    molecules are unstable
  3. 
    nuclei are stable
  4. 
    nuclei are unstable

Q: 1556 Second ionization energy:

  1. 
    is always less than first ionization energy
  2. 
    is always greater than first ionization energy
  3. 
    is equal to the first ionization energy
  4. 
    may be greater or less than the first ionization energy depending on the nature of the element

Q: 1557 All of the following are electromagnetic radiations except__________?

  1. 
    Red light
  2. 
    Sound waves
  3. 
    X-Rays
  4. 
    Photon

Q: 1558 Which of the following has the highest energy?

  1. 
    gamma rays
  2. 
    X-rays
  3. 
    Ultra-violet radiation
  4. 
    radio waves

Q: 1559 Which of the following has the largest wavelength?

  1. 
    visible light
  2. 
    x-rays
  3. 
    infrared light
  4. 
    ultraviolet radiation

Q: 1560 Select the arrangement of electromagnetic radiation which starts with the lowest energy and increases to greatest energy?

  1. 
    radio, visible, infrared, ultraviolet, x-ray, gamma ray
  2. 
    radio, infrared, visible, x-ray, gamma ray, ultraviolet
  3. 
    visible, radio, infrared, ultraviolet, x-ray, gamma ray
  4. 
    radio, infrared, visible, ultraviolet, x-ray, gamma ray