Organic Molecules in Space — MCQs

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1. What are organic molecules in space primarily composed of?





2. Which of the following is a simple organic molecule detected in space?





3. Where are complex organic molecules often found in space?





4. Which molecule is considered a precursor to amino acids in interstellar space?





5. Dust grains in interstellar space play a major role in:





6. Which observatory has been key in detecting organic molecules?





7. Polycyclic aromatic hydrocarbons (PAHs) are:





8. What is the importance of organic molecules in space?





9. Glycine detected in cometary samples is classified as:





10. The Miller-Urey experiment showed:





11. Which is the simplest alcohol detected in interstellar space?





12. Organic molecules in meteorites suggest:





13. Which technique is most effective to detect organic molecules in space?





14. The Murchison meteorite contained:





15. Which of the following is NOT an organic molecule?





16. Interstellar organic ices are modified by:





17. Comets often contain:





18. Which moon of Saturn has complex organic molecules in its atmosphere?





19. Amino acids are significant in space studies because they:





20. Organic molecules in exoplanet atmospheres may indicate:





21. Which simple sugar has been detected in star-forming regions?





22. Which of the following is a nucleobase detected in meteorites?





23. The organic compound benzene (C₆H₆) has been observed in:





24. Titan’s atmosphere contains:





25. Organic molecules in protoplanetary disks suggest:





26. What happens when UV radiation hits icy dust grains with organics?





27. The Rosetta mission detected organic molecules on:





28. Amines and nitriles in space are considered important because they:





29. What is the significance of PAHs detected in interstellar medium?





30. Which spacecraft discovered organic compounds on Mars?





31. Amino acids in meteorites often show:





32. Which process likely forms organic molecules in interstellar clouds?





33. Which organic molecule was first discovered in interstellar space in 1969?





34. What is special about glycolaldehyde detection near young stars?





35. Which element must always be present for a molecule to be considered organic?





36. The Stardust mission brought back samples containing:





37. Complex organic molecules detected in interstellar clouds include:





38. Which radiation is most useful in identifying organic molecules in space?





39. Organic molecules are often considered as:





40. The presence of methane on exoplanets is important because:





41. Which type of star-forming region often contains organic molecules?





42. NASA’s Cassini mission confirmed organic molecules in the plumes of:





43. What is the key difference between inorganic and organic molecules?





44. Why are carbon-based molecules considered essential for life?





45. Organic molecules have been detected in interstellar clouds using:





46. The discovery of amino acids in meteorites suggests:





47. Which molecule indicates potential for RNA world chemistry in space?





48. Which type of spectroscopy identifies vibrational modes of organic molecules?





49. What is one challenge in detecting organic molecules in space?





50. Why is the study of organic molecules in space important for astrobiology?





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