TLS Online TPP Program

#Question id: 10888


Ecologists have applied the top-down model to improve water quality in polluted lakes showing in picture. This approach, called biomanipulation, attempts to prevent algal blooms and eutrophication by altering the density of organism instead of chemical treatment as following

#Part-B Specialized Branches in Biotechnology
  1. Removing fish should improve water quality by increasing zooplankton density
  2. Addition of more fish should improve water quality by decreasing zooplankton density
  3. Removing zooplankton should improve water quality by decreasing fish
  4. Removing algae should improve water quality by decreases zooplankton density