📚 Practice Mode

Improvements in Food Resources

Learn at your own pace with hints and detailed explanations

1 / 17
Multiple Choice

Which of the following are not used in biofertilisers?

a. Bacteria
b. Thurioside
c. Blue-green algae
d. Pyrethrum

  1. Only a and b
  2. Only a and c
  3. Only a and d
  4. Only b and c
  5. Only b and d