MEDIUM
TS EAMCET
IMPORTANT
Earn 100
Study the following table and pick up the correct combinations.
S.No
Class
Common name of animals
Special feature
I)
Echinoidea
Sea urchins
Aristotle's lantern
II)
Cephalopoda
Clams
Crystalline style
III)
Holothuroidea
Sea cucumbers
Respiratory trees
IV)
Gastropoda
Squids
Torsion
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Important Questions on Invertebrate Phyla
MEDIUM
TS EAMCET
IMPORTANT
Match the following
| Larva | Animals | ||
| A | Bipinnaria | I | Sea urchins |
| B | Auricularia | II | Brittle stars |
| C | Ophiopluteus | III | Starfishes |
| D | Doliolaria | IV | Sea lilies |
| E | Echinopluteus | V | Sea cucumbers |
The correct match is
MEDIUM
TS EAMCET
IMPORTANT
The spermatheca, which receive and store spermatozoa in pheretima are present in
EASY
TS EAMCET
IMPORTANT
The following are the various parts of reproductive system of Pheretima.
A. Testes
B. Accessory glands
C. Spermathecae
D. Ovaries
Arrange them in a correct sequence from anterior end to posterior end.
