Similar MCQs

Technological Knowledge Similar MCQs

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Selected MCQ

Current Question
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 1
What unique findings did the Perseverance rover detect in Mars' Jezero Crater in 2025?
  • A. Liquid water lakes
  • B. Leopard-like spots on rocks, hinting at past life
  • C. Active volcanic vents
  • D. Earth-like atmosphere samples
Correct Answer: B
Explanation:
It found reddish "leopard spots" on rocks that may be linked to ancient microbial activity.
Related Question 2
Which cryptocurrency uses a blockchain but was the first to implement smart contracts?
  • A. Bitcoin
  • B. Ethereum
  • C. Litecoin
  • D. Ripple
Correct Answer: B
Explanation:
Ethereum introduced smart contracts on the blockchain.
Related Question 3
Which phenomenon provides evidence that the universe is expanding?
  • A. Galactic collisions
  • B. Redshift of distant galaxies
  • C. Aurora borealis
  • D. Supernova explosions
Correct Answer: B
Explanation:
Edwin Hubble observed that distant galaxies are redshifted, indicating expansion.
Related Question 4
Which mission was the first to land humans on the Moon successfully?
  • A. Apollo 11
  • B. Apollo 13
  • C. Mercury-Redstone
  • D. Gemini 4
Correct Answer: A
Explanation:
Apollo 11 in 1969 was the first crewed Moon landing.
Related Question 5
Which data structure uses the LIFO (Last In First Out) access method?
  • A. Queue
  • B. Stack
  • C. Graph
  • D. Hash table
Correct Answer: B
Explanation:
A stack uses Last-In-First-Out order for insertion and removal.

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