All Free General Knowledge MCQs with Answers

Every General Knowledge question in the bank, across all chapters, each with the correct answer and a written explanation. Free and unlimited, with no account needed.

7,202 questions · page 320 of 361

  • A. Daily Standard Time
  • B. Dual Solar Time
  • C. Determined Standard Time
  • D. Daylight Saving Time

Explanation: DST stands for Daylight Saving Time, the practice of advancing clocks in summer.

Correct answer: Daylight Saving Time
  • A. Clocks move forward by one hour
  • B. Clocks move forward by thirty minutes
  • C. Clocks are left unchanged
  • D. Clocks move back by one hour

Explanation: When daylight saving starts, clocks are normally set forward by one hour ("spring forward").

Correct answer: Clocks move forward by one hour
  • A. No; it reduces total daylight
  • B. No; it changes the clock hours during which daylight occurs
  • C. Yes, it adds an hour of sunlight
  • D. Yes, but only near the equator

Explanation: Daylight saving does not create extra daylight; it shifts an hour of daylight from the morning to the evening.

Correct answer: No; it changes the clock hours during which daylight occurs
  • A. British Standard Time
  • B. Belfast Solar Time
  • C. British Summer Time
  • D. Bristol Standard Time

Explanation: BST stands for British Summer Time, the UK's daylight saving time.

Correct answer: British Summer Time
  • A. UTC+2
  • B. UTC−1
  • C. UTC+0
  • D. UTC+1

Explanation: During British Summer Time, UK clocks run one hour ahead of UTC (UTC+1).

Correct answer: UTC+1
  • A. No; it uses GMT during standard time and BST during daylight saving time
  • B. Yes, except in leap years
  • C. Yes, always
  • D. No; it uses BST all year

Explanation: London keeps GMT (UTC+0) in winter and switches to BST (UTC+1) in the summer months.

Correct answer: No; it uses GMT during standard time and BST during daylight saving time
  • A. 4:00 PM
  • B. 5:00 PM
  • C. 6:00 PM
  • D. 3:00 PM

Explanation: Pakistan (UTC+5) is five hours ahead of GMT, so noon in London is 5:00 PM in Pakistan.

Correct answer: 5:00 PM
  • A. 5:00 PM
  • B. 6:00 PM
  • C. 4:00 PM
  • D. 3:00 PM

Explanation: BST is UTC+1, so Pakistan (UTC+5) is four hours ahead; noon BST is 4:00 PM in Pakistan.

Correct answer: 4:00 PM
  • A. Indian Daylight Line
  • B. International Daylight Line
  • C. Intercontinental Distance Line
  • D. International Date Line

Explanation: IDL stands for the International Date Line, the line where the calendar date changes.

Correct answer: International Date Line
  • A. The 180° meridian
  • B. The 0° meridian
  • C. The 90° E meridian
  • D. The 90° W meridian

Explanation: The International Date Line roughly follows the 180° meridian, opposite the Prime Meridian.

Correct answer: The 180° meridian
  • A. The Indian Ocean
  • B. The Pacific Ocean
  • C. The Arctic Ocean
  • D. The Atlantic Ocean

Explanation: The International Date Line runs mainly through the Pacific Ocean to avoid splitting populated land areas.

Correct answer: The Pacific Ocean
  • A. To avoid shipping lanes
  • B. To follow ocean currents
  • C. To accommodate countries and island groups within their chosen calendar dates
  • D. To align with time zone borders of the USA

Explanation: The line zigzags so that island nations and territories stay on the same calendar date as their chosen side.

Correct answer: To accommodate countries and island groups within their chosen calendar dates
  • A. Subtract one calendar day
  • B. Add twelve hours
  • C. No change
  • D. Add one calendar day

Explanation: Travelling westward across the date line, you repeat a day — you add one calendar day.

Correct answer: Add one calendar day
  • A. Subtract one calendar day
  • B. Subtract twelve hours
  • C. No change
  • D. Add one calendar day

Explanation: Travelling eastward across the date line, you skip a day — you subtract one calendar day.

Correct answer: Subtract one calendar day
  • A. Wednesday
  • B. Tuesday
  • C. Monday
  • D. Sunday

Explanation: Crossing the date line westward adds a day, so Monday becomes Tuesday.

Correct answer: Tuesday
  • A. Tuesday
  • B. Monday
  • C. Sunday
  • D. Saturday

Explanation: Crossing the date line eastward subtracts a day, so Monday becomes Sunday.

Correct answer: Sunday
  • A. Banaba
  • B. Tabiteuea
  • C. Tarawa
  • D. Kiritimati, also called Christmas Island

Explanation: Kiritimati (Christmas Island) in Kiribati uses UTC+14, the earliest time zone in the world.

Correct answer: Kiritimati, also called Christmas Island
  • A. UTC−11
  • B. UTC−12
  • C. UTC−10
  • D. UTC+11

Explanation: Pago Pago in American Samoa uses UTC−11, near the end of the world's time zones.

Correct answer: UTC−11
  • A. Twenty-three hours
  • B. Twenty-five hours
  • C. Twenty-four hours
  • D. Twenty-six hours

Explanation: The difference between UTC+14 and UTC−11 is 14 + 11 = 25 hours, the largest time gap between two inhabited places.

Correct answer: Twenty-five hours
  • A. 11:00 AM Monday
  • B. 10:00 AM Tuesday
  • C. 11:00 AM Tuesday
  • D. 10:00 AM Monday

Explanation: Kiritimati is 25 hours ahead of Pago Pago, so 10:00 AM Monday there is 11:00 AM the next day, Tuesday, in Kiritimati.

Correct answer: 11:00 AM Tuesday