Which group of organisms possesses cell walls composed of two thin overlapping shells that fit together like a box and lid?
Dinoflagellates
Diatoms
Euglenoids
Green algae
Related Questions
Single-celled eukaryotes are included in
Protista
Fungi
Archaea
Monera
Plant like nutrition is present in
Amoeba
Paramecium
Euglena
Plasmodium
Which of the following is a slime mould?
Rhizopus
Physarum
Thiobacillus
Anabaena
Chief producers in oceans are
Golden brown algae
Diatoms
Dinoflagellates
Euglenoids
Organism without cell wall & can respire anaerobically is :
Slime moulds
BGA
Mycoplasma
Yeast
Silica gel is obtained by
Red algae
Diatoms
Euglena
Mycoplasma
Which of the following is not matching?
Trypanosoma โ Flagella
Paramcecium โ Cilia
Amoeba โ Pseudopodia
Plasmodium โ Flagella
Protein rich layer named pellicle is present in
Euglenoids
Diatoms
Dinoflagellates
Slime moulds
Select the wrong statement.
Diatoms are microscopic and float passively in water.
The walls of diatoms are easily destructible.
โDiatomaceous earthโ is formed by the cell walls of diatoms.
Diatoms are chief producers in the oceans.
Which of the following protist release toxins that may even kill fishes and other marine animal?
Euglena
Gonyaulax
Paramecium
Plasmodium