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Nature's Significance
  • 1. What is the primary function of photosynthesis?
A) To convert sunlight into energy
B) To consume glucose
C) To absorb water
D) To produce carbon dioxide
  • 2. What percentage of Earth's surface is covered by oceans?
A) 80%
B) 30%
C) 50%
D) 71%
  • 3. Which gas do plants primarily absorb during photosynthesis?
A) Nitrogen
B) Oxygen
C) Methane
D) Carbon dioxide
  • 4. What is biodiversity?
A) Ocean pollution
B) Soil quality
C) Variety of life in an ecosystem
D) Climate change effects
  • 5. What role do bees play in ecosystems?
A) Soil digging
B) Seed dispersal
C) Water collection
D) Pollination
  • 6. What is the largest rainforest in the world?
A) Amazon rainforest
B) Congo rainforest
C) Taiga
D) Sundarbans
  • 7. Which animal is known as a keystone species in many ecosystems?
A) Bald eagle
B) Grey wolf
C) Honeybee
D) Sea otter
  • 8. What type of animal is the result of the warming of oceans?
A) Polluted waters
B) Invasive species
C) Coral bleaching
D) Overfishing
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