Tag: science & technology

Questions Related to science & technology

Multiple choice general knowledge science & technology
  1. inelastic

  2. unit elastic.

  3. elastic.

  4. highly responsive to changes in income.

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

A person taking prescription drugs for high cholesterol has inelastic demand because the medication is essential for health with no good substitutes. Demand is unresponsive to price changes - they will likely continue purchasing it even if prices rise.

Multiple choice general knowledge science & technology
  1. the demand for motor oil would tend to be inelastic.

  2. the demand for motor oil would tend to be elastic.

  3. the demand for motor oil would tend to respond strongly to changes in prices of other goods.

  4. the supply of motor oil would tend to respond strongly to changes in people’s tastes for large cars relative to their tastes for small cars.

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

Since there are very few substitutes for motor oil, demand is inelastic. When consumers cannot easily switch to alternatives, they will continue purchasing despite price changes. Options B and C incorrectly suggest elastic demand.

Multiple choice general knowledge science & technology
  1. inelastic.

  2. elastic.

  3. unit elastic.

  4. perfectly inelastic.

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

Using the midpoint method: Price change = (0.50-0.40)/0.45 = 22.2%. Quantity change = (600-400)/500 = 40%. Since quantity percentage change (40%) exceeds price percentage change (22.2%), demand is elastic. Consumers are quite responsive to price changes for bubble gum.

Multiple choice general knowledge science & technology
  1. Bahdur shah jafar

  2. Tipu sultan

  3. Tantya tope

  4. Lakshmi bai

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

Tipu Sultan, the ruler of Mysore, was indeed the first Indian king to successfully use iron-cased rockets in warfare against the British in the 1780s and 1790s. His rocket corps was innovative and forced the British to develop their own rocket technology (leading to the Congreve rocket). Options A, C, and D are other Indian leaders who fought the British but did not use iron-cased rockets.

Multiple choice general knowledge science & technology
  1. 100

  2. 200

  3. 300

  4. 400

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

Sushruta Samhita, the foundational text of surgery in Ayurveda, documents 300 surgical procedures and instruments. His work included rhinoplasty (nose surgery), which is why he's recognized as the father of plastic surgery. The number 300 is well-established in historical accounts.

Multiple choice general knowledge science & technology
  1. Vyasa

  2. Ganesha

  3. Valmiki

  4. Tulsidas

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

According to Hindu tradition, sage Vedavyasa composed the Mahabharata, but Lord Ganesha served as the scribe who wrote down the entire manuscript as Vyasa dictated it. This is why Ganesha is credited with the 'manuscript work' of the Mahabharata.

Multiple choice general knowledge science & technology
  1. panini(400 bc)

  2. Baudhayana(800 bc)

  3. Pingala (900 bc)

  4. Aryabhatta

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

Baudhayana (800 BC) documented the Pythagorean theorem in his Baudhayana Sulba Sutra before Pythagoras. The theorem appears as the diagonal of a rectangle produces the area which the two sides of the rectangle make separately. This predates Pythagoras by several centuries.

Multiple choice general knowledge science & technology
  1. Lagadha

  2. aryabhatta

  3. bhaskara

  4. panini

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

Aryabhata (5th century) proposed a heliocentric model in his work Aryabhatiya, stating that the Earth rotates on its axis and the apparent movement of stars is due to Earth's rotation. He understood that the Sun is the center of the solar system, not Earth - a remarkable insight for his time.