Multiple choice

Which of the following habitats is most unsuitable for primary productivity?

  1. Meadow

  2. Forested river bank

  3. Cave

  4. Pond

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Primary productivity requires photosynthesis, which depends on sunlight. Caves lack sufficient light for photosynthesis, making them unsuitable for primary productivity. The other habitats (meadow, forested river bank, pond) all receive adequate sunlight for photosynthesis by plants and algae.