Q: 17481 __________ is the lowest layer of the atmosphere.

  1. 
    Stratosphere
  2. 
    Mesosphere
  3. 
    Troposphere
  4. 
    Thermosphere

Q: 17482 Troposphere extends from planetary surface to bottom of __________?

  1. 
    Stratosphere
  2. 
    Mesosphere
  3. 
    Troposphere
  4. 
    Thermosphere

Q: 17483 ____________ contains 75–80 % of the mass of the atmosphere.

  1. 
    Stratosphere
  2. 
    Mesosphere
  3. 
    Thermosphere
  4. 
    Troposphere

Q: 17484 The height of the troposphere varies between ____________.

  1. 
    7 km at equator and 17 km at poles
  2. 
    17 km at equator and 7 km at poles
  3. 
    18 km at equator and 8 km at poles
  4. 
    8 km at equator and 18 km at poles

Q: 17485 _________ extends from the top of the troposphere to the bottom of the mesosphere.

  1. 
    Thermosphere
  2. 
    Ionosphere
  3. 
    Stratosphere
  4. 
    None of the above

Q: 17486 Stratosphere is present at an altitude between _________.

  1. 
    15 km and 35 km
  2. 
    17 km and 35 km
  3. 
    18 km and 35 km
  4. 
    19 km and 35 km

Q: 17487 _________ is the atmospheric layer that absorbs most of the ultraviolet radiation that Earth receives from the Sun.

  1. 
    Troposphere
  2. 
    Stratosphere
  3. 
    Mesosphere
  4. 
    Ionosphere

Q: 17488 Stratosphere is the atmospheric layer that absorbs most of __________ that Earth receives from the Sun.

  1. 
    Infrared radiation
  2. 
    Ultraviolet radiation
  3. 
    Ozone layer
  4. 
    Radio waves

Q: 17489 The mesosphere ranges from ________ to _________?

  1. 
    46 km to 85 km
  2. 
    48 km to 85 km
  3. 
    50 km to 85 km
  4. 
    52 km to 85 km

Q: 17490 _________ is the layer wherein most meteors are incinerated before reaching the surface.

  1. 
    Troposphere
  2. 
    Stratosphere
  3. 
    Mesosphere
  4. 
    Ionosphere

Q: 17491 The thermosphere extends from an altitude of ________ to the base of ________ at ________?

  1. 
    75 km, Mesosphere, 670 km
  2. 
    80 km, Ionosphere, 680 km
  3. 
    85 km, Exosphere, 690 km
  4. 
    90 km, Ozone Layer , 690 km

Q: 17492 Current chair (2023) of BRICS is ______________?

  1. 
    Brazil
  2. 
    Russia
  3. 
    India
  4. 
    China
  5. 
    South Africa

Q: 17493 Who is current Chair of the NATO Military Committee?

  1. 
    General Christopher G. Cavoli
  2. 
    General Omar Bradley
  3. 
    Lieutenant Admiral Rob Bauer
  4. 
    General Augustin Guillaume

Q: 17494 Where was 2023 NATO summit held?

  1. 
    Vilnius
  2. 
    Lativia
  3. 
    Brussels
  4. 
    Madrid

Q: 17495 NATO Summit 2023 was held in Vilnius on 11-12 Jul 23. Vilinus is city and capital of _______________?

  1. 
    Lativia
  2. 
    Luxembourg
  3. 
    Lithuania
  4. 
    Wales

Q: 17496 The final communique of NATO Summit 2023 restated the ultimate goal was for Ukraine accession, but postponed the decision to invite them to join NATO sine die. Which one of following is true:-

  1. 
    Only indicating the vague formula of “when Allies agree and conditions are met";
  2. 
    Just after end of Russia-Ukraine conflict
  3. 
    Timeline of 5 years was given to Ukraine to fulfil requirements of becoming alliance part
  4. 
    None of above

Q: 17497 Which countries other than NATO members were present at 2023 Summit held at Vilnius, Lithuania?

  1. 
    Australia, Taiwan, Japan, Egypt
  2. 
    Australia, New Zealand, Japan, South Korea
  3. 
    Australia, New Zealand, Japan, Egypt
  4. 
    Australia, New Zealand, Cyprus , Egypt

Q: 17498 In Vilnius (NATO Summit 2023), alliance made an important decision to approve defense plans in line with a new strategy agreed to at last year’s summit. The plans will enable defense of alliance against potential large-scale Russian aggression:-

  1. 
    Launched even without warning
  2. 
    Launched within two weeks
  3. 
    Launched within one week
  4. 
    None of the above

Q: 17499 What is difference between AUKUS-SSNs and SSBNs?

  1. 
    SSNs are nuclear-powered but conventionally armed—unlike SSBNs, which carry nuclear warheads
  2. 
    SSBNs are nuclear-powered but conventionally armed—unlike SSNs, which carry nuclear warheads
  3. 
    Both carry conventional warheads, however SSNs are nuclear-powered whereas SSBNs are not nuclear powered
  4. 
    Only difference is of performance

Q: 17500 SSN-AUKUS submarines will combine?

  1. 
    British technology with American design
  2. 
    British and American technologies
  3. 
    British design with American technology
  4. 
    British and American designs