Read the given statements and select the correct conclusion. 

Statement I: Five kingdom system of classification did not differentiate between the non-photosynthetic organisms like fungi and photosynthetic green plants, though they showed a characteristic difference in their wall composition. 

Statement II: Diatom cell wall contains silica, while the dinoflagellates  have a cellulosic cell plates. Conclusion: 

• A

  I is true, but II is false 

• B

  I is false, but II is true 

• C

  I and II are true 

• D

  I and II are false