Tag: science & technology

Questions Related to science & technology

Multiple choice general knowledge science & technology
  1. Frank Whittle

  2. Charles Lindberg

  3. Wilbur Wright

  4. Mathew Siemens

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Charles Lindbergh was nicknamed 'Lucky Lindy' and also referred to as the 'Lucky Eagle' for his successful solo transatlantic flight in 1927 aboard the Spirit of St. Louis. His daring achievement and survival earned him these monikers celebrating his good fortune and skill.

Multiple choice general knowledge science & technology
  1. Banana

  2. Apple

  3. Peanuts

  4. Tomato

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Apples contain natural sugars (fructose) and small amounts of caffeine-like compounds that can provide a mild energy boost. The combination of natural carbohydrates, fiber, and B vitamins makes them effective for alertness. While they don't contain high caffeine like coffee, they're a reliable healthy snack for staying awake.

Multiple choice general knowledge science & technology
  1. True

  2. False

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Botanically, bananas are classified as herbs because they grow on herbaceous plants (not trees). The banana 'tree' is actually a pseudostem made of tightly rolled leaf sheaths. Since the plant doesn't produce woody tissue and dies back after flowering, it fits the botanical definition of an herbaceous plant, making the fruit a berry from an herb.

Multiple choice general knowledge science & technology
  1. True

  2. False

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Botanically, tomatoes are fruits - specifically, they are berries. They develop from the flower's ovary and contain seeds. The confusion arises from culinary classification, where tomatoes are used as vegetables due to their savory flavor profile. However, scientifically, they meet all criteria for being fruits.

Multiple choice general knowledge science & technology
  1. LCA Tejas

  2. Nal Saras

  3. Su-30 MKI

  4. Chetak

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Tejas (Light Combat Aircraft) is India's indigenous single-seat, single-engine, multirole light fighter designed by HAL. It was inducted into the Indian Air Force squadron in 2016. The other options are either foreign aircraft (Su-30 MKI is Russian), helicopters (Chetak), or civilian aircraft (Nal Saras).

Multiple choice general knowledge science & technology
  1. Super jumbo

  2. Jumbo jet

  3. Heavy jet

  4. White metal bird

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The Boeing 747 earned the nickname 'Jumbo Jet' due to its massive size - it was the first wide-body jet airliner and the largest passenger aircraft when introduced in 1969. The name 'Jumbo' (after the famous elephant) became iconic, and the 747 is still commonly referred to as the 'Queen of the Skies' or 'Jumbo Jet.'

Multiple choice general knowledge science & technology
  1. True

  2. False

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Darker green vegetables generally contain higher concentrations of vitamins, including vitamin C, because the darker color indicates higher chlorophyll content and typically greater nutrient density. Vegetables like kale, spinach, and broccoli (dark green) tend to have more vitamin C than lighter greens like iceberg lettuce or celery.

Multiple choice general knowledge science & technology
  1. True

  2. False

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Botanically, pumpkins are fruits because they develop from the flower's ovary and contain seeds, which is the definition of a fruit. Vegetables are other plant parts like roots, stems, and leaves. While pumpkins are treated as vegetables in culinary contexts, scientifically they are not vegetables.

Multiple choice general knowledge science & technology
  1. Mach 0.8 and above

  2. Mach 0.3 to 0.8

  3. Mach number 0.8 to 1.2

  4. Mach 1.2 and above

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Transonic speed range is the transition region between subsonic and supersonic flight, occurring at Mach 0.8 to 1.2. Below Mach 0.8 is fully subsonic, and above Mach 1.2 is fully supersonic. In the transonic region, airflow over different parts of the aircraft can be at different speeds.