Selected MCQ

Current Question
Astronomers identified "little red dots" in deep James Webb images as:
  • A. Distant galaxies
  • B. Black holes forming in the early universe
  • C. Nearby nebulae
  • D. Cosmic strings
Correct Answer: B
Explanation:
Spectral analysis showed they are supermassive black holes in formation shortly after the Big Bang.
Related Question 1
Which emerging tech generates realistic human images and voices via deep learning?
  • A. Blockchain
  • B. Generative AI (e.g., GANs)
  • C. Quantum computing
  • D. Fiber optics
Correct Answer: B
Explanation:
Generative AI models such as GANs can generate realistic synthetic images, audio, and text.
Related Question 2
Which of the following is an emerging tech for generating realistic human images and voices?
  • A. Blockchain
  • B. Generative AI (GANs)
  • C. Quantum computing
  • D. Fiber optics
Correct Answer: B
Explanation:
Generative AI models like GANs can create realistic synthetic images, audio, and text.
Related Question 3
Which Mars rover first identified definitive evidence of past water on Mars?
  • A. Spirit
  • B. Opportunity
  • C. Curiosity
  • D. Sojourner
Correct Answer: B
Explanation:
Opportunity found strong evidence (hematite spheres) of ancient water on Mars.
Related Question 4
Which space probe provided detailed images of Saturn's rings and moons?
  • A. Voyager 1
  • B. Hubble Telescope
  • C. Cassini
  • D. Sputnik
Correct Answer: C
Explanation:
Cassini orbited Saturn and studied its rings and moons in detail.
Related Question 5
In deep learning, what is 'fine-tuning'?
  • A. Re-initializing weights
  • B. Training only the final layer of a pre-trained model
  • C. Decreasing model depth
  • D. Hyperparameter optimization
Correct Answer: B
Explanation:
Fine-tuning means training or adjusting a pre-trained model (often its final layers) on new data.