Pennate diatoms are mostly found in :
Fresh water
Marine water
Muddy water
Contaminated water
In Paramecium, the movement occurs with the help of :
Cilia
Flagella
Pseudopodia
All of these
Unicellular eukaryotic micro-organisms comprise :
Fungi
Monera
Protista
Animalia
Which of the following organisms possesses the characteristics of both like a plant and an animal ?
Bacteria
Euglena
Mycoplasma
Paramecium
Which of the following is true regarding protistan ?
Unicellular, prokaryotic
Unicellular, eukaryotic
Acellular level of organization
Both b and c
Diatomaceous earth is formed due to remains of which parts of diatoms ?
Cell wall
Chloroplast
Cytoplasm
Skeleton masses
Which of the following is a locomotary organ ?
Which of the following is a phosphorescent protist ?
Amoeba
Noctiluca
Physarum
Cell wall of diatoms is made up of :
Silica
Lignin
Chitin
Carbonate
The deposits of fossil diatoms are called :
Peat
Resin
Humus
Kiesulguhr