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STD 12 - 6. evolution — Biology STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceBiologySTD 12 - 6. evolution1 Mark
MCQ
How old is our universe?
  • A
    $10$ billion year old
  • ✓
    $20$ billion year old
  • C
    $15$ billion year old
  • D
    $5$ billion year old
✓

Answer

Correct option: B.
$20$ billion year old
b
The universe is vast relatively speaking the earth. Itself is almost only a speck. The universe is very old almost $20$ billion years old. Huge dusters of galaxies comprises the universe

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