The chloroplasts of diatoms and chrysophycean algae do not possess____________?

Related Mcqs:

1. Unlike other algae, diatoms do not readily decay due to___________?

   A. Nonliving cells B. Siliceous wall C. Mucilaginous wall D. Water proof cell...

2. Thylakoids in chloroplasts are stacked into___________?

   A. Grana B. Stroma C. Nucleus D. None of these...

3. Diatoms belong to___________?

   A. Chrysophyta B. Bacillariophyceae C. Xanthophyceae D. Both A. and B....

4. Which one of the following is representing the group of diatoms?

   A. Pinnularia, Navicula, Cymbella, Melosira B. Euglenamorpha, Hedneria , Heteronema, Colacium C. Nostoc, Anabaena, Aulosira, Cylindrospermum D. Cochlodinium, Gymnodinium, Lenodinium, Peridinium...

5. Diatoms are found in__________?

   A. Phytoplanktonic population B. Freshwater lakes and ponds C. Marine environment D. All of the above...

6. Centric discoid form of diatoms is__________?

   A. Diplaneis B. Coscinodiscus C. Camphyloneiscus D. Stephanodis...

7. Diatoms stay afloat due to___________?

   A. Flagella B. Stored lpids C. Pseudopodia D. All of these...

8. Locomotion in diatoms is carried out with the help of__________?

   A. Valve B. Raphe C. Pseudopodium D. Cilia or flagella...

9. Golden brown colour of diatoms is due to presence of__________?

   A. Mycoxanthin, mucoxanthin and myxoxanthophylls B. Alpha and beta carotenes and myxoxanthin C. Fucoxanthin, diatoxanthin, diadinoxanthin D. None of the above...

10. Golden algae are also known as___________?

    A. Chrysophyta B. Phaeophyta C. Pyrrophyta D. Rhodophyta...