Question

The 'Red Data Book' provides information on:

• A. Effect of red light on photosynthesis
  
• B. Threatened species
• C. Red-pigmented plants
• D. Organisms of Red Sea

Answer 1

Answer: (B)

Threatened species

The Red Data Book contains lists of species whose continued existence is threatened. They are published in many different countries and provide useful information on the threatened species of a particular area.