Q: 2121 Bilawal Bhutto inaugurated the first Tharparkar Airport on 11th April 2018 named___________?

  1. 
    Fatima Bibi Airpoet
  2. 
    Benazir Bhutto Airport
  3. 
    Maai Bakhtawar Airport
  4. 
    Bibi Noreen Airport

Q: 2122 What is the full name of the UK?

  1. 
    United Kingdom
  2. 
    United Kingdom of Great Britain and Ireland
  3. 
    United Kingdom of Great Britain and Northern Ireland
  4. 
    United Kingdom of the British Isles

Q: 2123 Pakistan and the Asian Development Bank (ADB) on 13 April,2018 signed two loan agreements worth _________ million in an effort to improve irrigation services and promote public-private partnerships (PPPs) in Punjab.

  1. 
    $375
  2. 
    $360
  3. 
    $355
  4. 
    $350

Q: 2124 The atmospheric greenhouse effect is produced mainly by the __________________?

  1. 
    Absorption and re-emission of visible light by the atmosphere
  2. 
    Absorption and re-emission of ultraviolet radiation by the atmosphere
  3. 
    Absorption and re-emission of infrared radiation by the atmosphere
  4. 
    Absorption and re-emission of visible light by clouds
  5. 
    Absorption and re-emission of visible light by the ground

Q: 2125 At what time of day is the relative humidity normally at a minimum ________________ ?

  1. 
    When the air temperature is highest
  2. 
    Just before sunrise
  3. 
    About midnight
  4. 
    When the air temperature is lowest

Q: 2126 Water vapor is ______________?

  1. 
    A gas
  2. 
    A cloud droplet
  3. 
    A rain drop
  4. 
    A snowflake

Q: 2127 Acid deposition causes ______________________?

  1. 
    the greenhouse effect to lessen
  2. 
    lakes and forests to die
  3. 
    acid indigestion in humans
  4. 
    all the above are correct

Q: 2128 Salinization is ___________?

  1. 
    Accumulation of salts in water
  2. 
    Accumulation of salts in soil
  3. 
    Accumulation of salts in body
  4. 
    Accumulation of salts in animals

Q: 2129 The gradual physiological adjustment to slowly changing new environmental conditions is known as _____________________?

  1. 
    Selection
  2. 
    Introduction
  3. 
    Acclimatization
  4. 
    Quarantine

Q: 2130 The atmosphere near the earth';s surface is ";heated from below."; Which of the following does not significantly contribute to this heating _____________________?

  1. 
    Conduction of heat upward from a hot surface
  2. 
    Convection from a hot surface
  3. 
    Absorption of infrared energy that has been radiated from the surface
  4. 
    Heat energy from the earth';s interior

Q: 2131 The blueness of the sky is mainly due to _____________?

  1. 
    The scattering of sunlight by air molecules
  2. 
    The presence of water vapor
  3. 
    Absorption of blue light by the air
  4. 
    Emission of blue light by the atmosphere

Q: 2132 Fatal degenerative lung disease caused by particulate asbestos is referred to as _____________?

  1. 
    asbestosis
  2. 
    asthma
  3. 
    allergy
  4. 
    sinusitis

Q: 2133 In middle latitudes, which cloud will have the lowest base ________________________ ?

  1. 
    Cirrostratus
  2. 
    Stratocumulus
  3. 
    Altocumulus
  4. 
    Cirrus

Q: 2134 The pyramid of energy in any ecosystem is _________?

  1. 
    Always upright
  2. 
    May be upright or invented
  3. 
    Always inverted
  4. 
    Always Circle

Q: 2135 When oil and gas resources are burnt they kill many forests and lakes by ________________ ?

  1. 
    deforestation
  2. 
    water pollution
  3. 
    acid rain
  4. 
    forest fire

Q: 2136 Fog that most often forms as warm rain falls into a cold layer of surface air is called ______________?

  1. 
    Radiation fog
  2. 
    Evaporation (mixing) fog
  3. 
    Advection fog
  4. 
    Upslope fog

Q: 2137 Fine organic or inorganic particles suspended in air is called _______________?

  1. 
    particulate pollutant
  2. 
    gaseous pollutant
  3. 
    aerosol
  4. 
    none of these

Q: 2138 Barnacles growing on the back of whale is an example for ________________?

  1. 
    mutualism
  2. 
    parasitism
  3. 
    amensalism
  4. 
    commensalism

Q: 2139 A term biotype means ___________?

  1. 
    all individuals having same phenotype
  2. 
    all individuals having same genotype
  3. 
    all individual with different phenotype
  4. 
    all individuals with different genotype

Q: 2140 The temperature at which water boils depends mainly on ____________?

  1. 
    Air temperature
  2. 
    Relative humidity
  3. 
    Air pressure
  4. 
    Air density
  5. 
    The specific heat of air