Why red light is used in traffic signal for danger? (CSS 2024 General Science & Ability Paper)

Due to short wavelength
Due to high frequency
It has long wavelength and high frequency
It has long wavelength and short frequency

Related MCQs

  1. Which finest filament grow from skin?

    • Hair
    • Nail
    • Brain
    • None of these

    Submitted by: CSS Exam Desk Team

  2. NPT is? (CSS 2017 Current Affairs Paper)

    • National Proliferation Treaty
    • New Proliferation Treaty
    • Non-Proliferation Treaty
    • None of these

    Submitted by: CSS Exam Desk Team

  3. Lahore Declaration was signed on? (CSS 2019 Pakistan Affairs Paper)

    • 21 February 1999
    • 11 January 2001
    • 4 April 2004
    • None of these

    Submitted by: CSS Exam Desk Team

  4. Members of Quadrilateral group are US, Pakistan, China and _____? (CSS 2018 Current Affairs Paper)

    • India
    • Russia
    • Afghanistan
    • None of these

    Submitted by: CSS Exam Desk Team

  5. Headquarter of International Court of Justice is at The Hague (Netherlands)? (CSS 2016 Current Affairs Paper)

    • Hague, Netherlands
    • New York, United States
    • Geneva, Switzerland
    • None of these

    Submitted by: CSS Exam Desk Team

  6. The SYNONYM of the word \"MORATORIUM\" is? (CSS 2008 English Precis & Composition Paper)

    • Large tomb
    • Funeral house
    • Waiting period
    • Security for debt

    Submitted by: CSS Exam Desk Team

  7. When did China signed an air transport agreement with Pakistan? (CSS 2020 Pakistan Affairs Paper)

    • 1950
    • 1953
    • 1960
    • 1963

    Submitted by: CSS Exam Desk Team

  8. When a patient’s immune system becomes reactive to a drug, this is an example of? (CSS 2013 General Science & Ability Paper)

    • Superinfection
    • Drug resistance
    • Allergy
    • None of these

    Submitted by: CSS Exam Desk Team

  9. Sindh river has been mentioned in? (CSS 2024 Pakistan Affairs Paper)

    • the Rigveda
    • the Samaveda
    • the Yajurveda
    • the Atharvaveda

    Submitted by: CSS Exam Desk Team

  10. Which of the following is most elastic? (CSS 2009 General Science & Ability Paper)

    • Steel
    • Rubber
    • Glass
    • Sponge

    Submitted by: CSS Exam Desk Team

  11. When the quantity of charge on each of the two bodies is doubled, the force between them becomes? (CSS 2014 General Science & Ability Paper)

    • ) One fourth
    • One half
    • Twice
    • Four times

    Submitted by: CSS Exam Desk Team

  12. Pakistan’s National Assembly consists of ________ Seats? (CSS 2021 Current Affairs Paper)

    • 342
    • 344
    • 346
    • None of these

    Submitted by: CSS Exam Desk Team

  13. First National Science & Technology Park Of Pakistan Was Inaugurated By Imran Khan On? (CSS 2020 Current Affairs Paper)

    • Dec 10, 2019
    • Dec 9, 2019
    • Jan 4, 2020
    • None of these

    Submitted by: CSS Exam Desk Team

  14. Which of the following countries have the power of veto in General Assembly of UNO? (CSS 2009Current Affairs Paper)

    • USA
    • Russia
    • China
    • All of these

    Submitted by: CSS Exam Desk Team

  15. Who was the author of the book “The Spirit of Islam”? (CSS 2016 Pakistan Affairs Paper)

    • Yasser Latif Hamdani
    • Syed Ameer Ali
    • Mahadev Gobind Ranade
    • Major R. D. Osborn

    Submitted by: CSS Exam Desk Team

  16. How many bones are there in the human body? (CSS 2019 General Science & Ability Paper)

    • 204
    • 205
    • 206
    • 208

    Submitted by: CSS Exam Desk Team

  17. The SYNONYM of the word \"WRY\" is? (CSS 1992 English Precis & Composition Paper)

    • Sad
    • Witty
    • Twisted
    • Suffering

    Submitted by: CSS Exam Desk Team

  18. Matter written by hand is? (CCE 2023 Screening Test, December 1, 2024)

    • Ascription
    • Conscript
    • Manuscript
    • Scriptwriter

    Submitted by: CSS Exam Desk Team

  19. Which session of the Council of Foreign Ministers (CFM) of the OIC was held in Islamabad in March 2022? (CSS 2022 Current Affairs Paper)

    • 47th Session
    • 48th Session
    • 49th Session
    • None of the above.

    Submitted by: CSS Exam Desk Team

  20. Friday was declared as official holiday on ______? (CSS 2017 Pakistan Affairs Paper)

    • 1 July 1970
    • 21 July 1975
    • 5 June 1971
    • 1 July 1977

    Submitted by: CSS Exam Desk Team

  21. The SYNONYM of the word \"REGURGITATE\" is? (CSS 2014 English Precis & Composition Paper)

    • Study
    • Exemplify
    • Reproduce
    • Assimilate

    Submitted by: CSS Exam Desk Team

  22. The position of earth in its orbit, when it is at its greatest distance from the sun causing northern summer is called? (CSS 2009 General Science & Ability Paper)

    • Aphelion
    • Perihelion
    • Perigee
    • Apogee

    Submitted by: CSS Exam Desk Team

  23. Sadaq-e-Eid-ul-fitr has been proclaimed in the year? (CSS 2009 Islamic Studies Paper)

    • 2 Hijri
    • 3 Hijri
    • 4 Hijri
    • None of these

    Submitted by: CSS Exam Desk Team

  24. In 2008 Barack Obama received highest ever number of popular votes in the elections. In the recent presidential educations, which candidate broke his record? (CSS 2021 Current Affairs Paper)

    • Joe Biden
    • Donald Trump
    • Both A & B
    • None of these

    Submitted by: CSS Exam Desk Team

  25. The use of antibiotics is a very effective way of killing disease-causing Bacteria, sometimes people don’t finish all of their pills. This can result in? (CSS 2018 General Science & Ability Paper)

    • Some bacteria left unkilled
    • Production of more bacteria
    • Bacteria becomes sensitive to antibiotics
    • Bacteria become resistant to antibiotics

    Submitted by: CSS Exam Desk Team