Algae

 

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Algae

Question 1
Which of the following algal divisions is characterized by possession of chlorophylls A and B, starch as the energy storage material, cellulosic cell walls and live in freshwater and marine habitats?
A
Chlorophyta
B
Chrysophyta
C
Phaeophyta
D
Pyrrophyta

Question 2
Agar, which is the solidifying agent in many bacterial culture media, is part of the cell wall of
A
chlorophyta
B
chrysophyta
C
pyrrophyta
D
rhodophyta

Question 3
Frustules made of silica are characteristic of
A
euglenoids
B
diatoms
C
desmids
D
seaweeds

Question 4
Which algal division never produces motile, flagellated cells among any of its members?
A
Chlorophyta
B
Chrysophyta
C
Phaeophyta
D
Rhodophyta

Question 5
Number of flagella produced by motile cells in
A
members of the phaeophyta is greater than members of the Oomycota
B
members of the Oomycota is greater than members of the Phaeophyta
C
members of the Phaeophyta is approximately equal to members of the Oomycota
D
none of the above

Question 6
The number of flagella produced by motile cells in
A
members of the Rhodophyta is greater than members of the Phaeophyta
B
members of the Phaeophyta is greater than members of the Rhodophyta
C
members of the Rhodophyta is exactly or approximately equal to members of the Phaeophyta
D
none of the above

Question 7
The ..... is the vegetative body of algae.
A
mycelium
B
plasmodium
C
pseudoplasmodium
D
thallus

Question 8
All algae possess
A
nuclei
B
chloroplasts
C
Both (a) and (b)
D
none of these

Question 9
Algae are classified into 6 groups, technically known as
A
categories
B
divisions
C
genera
D
domains

Question 10
The kelps are algae found in
A
chlorophyta
B
chrysophyta
C
phaeophyta
D
pyrrophyta
There are 10 questions to complete.

 

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