A. Nonliving cells
B. Siliceous wall
C. Mucilaginous wall
D. Water proof cell
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Related Mcqs:
- Diatoms stay afloat due to___________?
- A. Flagella B. Stored lpids C. Pseudopodia D. All of these...
- The chloroplasts of diatoms and chrysophycean algae do not possess____________?
- A. Chloryphyllpigments B. Enzymes for photolysis C. Defined grana and stroma D. Carotenes with chlorophylls...
- Diatoms belong to___________?
- A. Chrysophyta B. Bacillariophyceae C. Xanthophyceae D. Both A. and B....
- 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...
- 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...
- Diatoms are found in__________?
- A. Phytoplanktonic population B. Freshwater lakes and ponds C. Marine environment D. All of the above...
- Centric discoid form of diatoms is__________?
- A. Diplaneis B. Coscinodiscus C. Camphyloneiscus D. Stephanodis...
- Locomotion in diatoms is carried out with the help of__________?
- A. Valve B. Raphe C. Pseudopodium D. Cilia or flagella...
- The DNA fragments have sticky ends due to___________?
- A. Endonuclease B. Unpaired bases C. Calcium ions D. Free methylation Submitted by: Maria Aziz...
- Brown algae are also known as___________?
- A. Phaeophyta B. Rhodophyta C. Pyrrophyta D. Chrysophyta...
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