Science

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Explore Science MCQs! Test knowledge on Biology, Chemistry, Physics, Astronomy, Earth Science & General Science. Free quizzes at TheQuizWire.

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1. Which comet is often described as exhibiting a characteristic greenish hue, a color typically resulting from the presence of diatomic carbon (C2)?

  • Comet Lemmon
  • Comet Halley
  • Comet NEOWISE
  • Comet Hale-Bopp

2. What primary phenomenon leads scientists to infer the existence of dark matter?

  • Its emission of strong electromagnetic radiation.
  • Its gravitational effects on visible matter.
  • Its strong interaction with ordinary light.
  • Its direct observation through telescopes.

3. How does the measured heat transfer between objects separated by a distance of only a few nanometers generally compare to the predictions of standard physics theory?

  • It can only occur if the objects are made of superconductors.
  • It is exactly proportional to the square of the distance.
  • It is significantly lower than predicted.
  • It is higher than predicted by traditional models.

4. What stage occupies the vast majority (approximately 90%) of a star's lifetime, during which it generates energy by fusing hydrogen into helium in its core?

  • The Planetary Nebula Stage
  • The Red Giant Phase
  • The Main Sequence
  • The Protostar Phase

5. The central supermassive black hole of the Circinus Galaxy has been observed fueling itself by funneling material inward using what feature?

  • A collapsed accretion disk vacuum
  • A system of six gravitational lenses
  • A pair of distinct spiral arms
  • Rapidly rotating twin jets of plasma

6. What is the primary function of hemoglobin, the protein found in red blood cells?

  • Regulating blood sugar levels
  • Fighting bacterial and viral infections
  • Transporting oxygen from the lungs to the rest of the body
  • Initiating the blood clotting process

7. What is the name of the commercial satellite internet constellation developed and operated by SpaceX?

  • OneWeb
  • GPS
  • Starlink
  • Kuiper

8. Which dinosaur species was discovered in the Andes Mountains of Argentina?

  • Spinosaurus
  • Triceratops
  • Brontosaurus
  • Huayracursor Jaguensis

9. What is the primary method of heat transfer that occurs through the direct contact of particles between two substances?

  • Radiation
  • Conduction
  • Insulation
  • Convection

10. Which current NASA program is designed to be the first crewed mission to the Moon in more than a half century?

  • The Viking Project
  • New Horizons
  • Apollo 19
  • Artemis II

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