1. Red tide is because of
a) Desmids
b) Gonyaulax
c) Euglena
d) Red algae
Explanation: Red tide is because of Gonyaulax.
2. Which of the following is true about gonyaulax?
a) Release toxin
b) Slow multiplication causing red tide
c) Heterotropic
d) All of these
Explanation: Release toxin
3. Habitat of euglenoids is
a) Fresh river water
b) Fresh stagnant water
c) Marine water
d) All of these
Explanation: Habitat of euglenoids is Fresh stagnant water.
4. Mode of nutrition in euglenoids is
a) Autotropic
b) Heterotropic
c) Symbiotic
d) Mixotropic
Explanation: Mode of nutrition in euglenoids is Mixotropic.
5. Characteristic feature of euglenoids are
A. Presence of cell wall
B. Presence of two flagella
C. Photosynthetic in presence of sunlight
D. Presence of pellicle on their cell
a) A and D only
b) B and D only
c) B, C and D only
d) All of these
Explanation: B, C and D only
6. Euglenoids have flexible body because of
a) Cellulosic wall
b) Protein rich pellicle
c) Lipoic wall
d) Pectinic wall
Explanation: Euglenoids have flexible body because of Protein rich pellicle.
7. Pigments of euglenoids are identical to
a) Bacteria
b) Diatoms
c) Dinoflagellates
d) Higher plants
Explanation: Pigments of euglenoids are identical to higher plants
8. Euglena posses all except
a) Pellicle
b) Two equal flagella
c) Two unequal flagella
d) Mixotrophic nutrition
Explanation: Euglena posses all except two equal flagella.
9. Character belongs to slime moulds
A. Saprophytes
B. Forms plasmodium under favourable condition
C. Spores posses true walls
D. Spores are dispersed by water
E. Body moves along decaying twings and leaves engulfing organic matter.
a) All except E
b) All except D
c) All except C and E
d) All except B
Explanation: All except D
10. Which protist are believed to be the relatives of animals?
a) Slime moulds
b) Dinoflagellates
c) Protozoans
d) Diatoms
Explanation: Protozoans protist are believed to be the relatives of animals.