The deposits of fossil diatoms are called :
Peat
Resin
Humus
Kiesulguhr
Protists reproduce by :
Vegetative methods
Asexual process
Sexual process
Both b and c
Pennate diatoms are mostly found in :
Fresh water
Marine water
Muddy water
Contaminated water
Mode of life of protists are :
Parasitic
Predatory
Photosynthetic
All of these
Unicellular eukaryotic micro-organisms comprise :
Fungi
Monera
Protista
Animalia
Which of the following species of protists are known as 'whirling whips ?
Diatoms
Slime moulds
Dinoflagellates
Both a and b
Which of the following is a phosphorescent protist ?
Amoeba
Noctiluca
Physarum
Paramecium
A protist does not move with the help of :
Cilia
Setae
Flagella
Pseudopodia
Flagellated cells are absent in :
Angiosperms
Red algae
Cyanobacteria
Cell wall of diatoms is made up of :
Silica
Lignin
Chitin
Carbonate
