Q. No.
Red tides in the sea are because of
(1) Red dinoflagellates
(2) Geladium
(3) Red Chrysophytes
(4) Red algae
(1) Red dinoflagellates
(2) Geladium
(3) Red Chrysophytes
(4) Red algae
Euglenoids do not possess this feature-
(1) Always photosynthetic
(2) Pigments like higher plants
(3) Pellicle provides flexibility
(4) Found in stagnant water
Dinoflagellates- do not possess which feature?
(1) Marine and photosynthetic
(2) Variety in colors
(3) Cell wall with silica
(4) Two flagella
Which of the following property belongs to Dinoflagellates?
(1) Loose cellulose plates in cell wall
(2) The outer surface has more loosening of cell wall than inner
(3) Rapid multiplication
(4) Not harmful for others
…….of dinoflagellates have …..flagella, …..lie in a furrow between wall plates
(1) All, 2, both
(2) Many, 3, transverse flagella
(3) Most, 2, transverse flagella
(4) All, 3, longitudinal flagella
Euglenoids can be/have
(1) Predator
(2) With cell wall
(3) Polysaccharide rich protein layer
(4) All are marine organisms
Which of the following is not associated with red tides
(1) Harmful for marine organisms
(2) Gonyaulax
(3) Aquatic habitat
(4) Color is due to pigment in the cell of Dinoflagellates
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