Question

7 Spirogyra belongs to the class of algae called
chlorophyta
xanthopyta
cyanophyta
chrysophyta

8 The followings are characteristics of algae except
all are microscopic
unicellularity
they are filamentous
thalloid in form

9 Which of these animals have their body covered with dry scales?
aves
amphibians
fishes
reptiles

Answer 1

7. Chlorophyta
8. unicellularity
9. reptiles