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Subphylum Urochordata

Authored by Ankita Dua

Biology

5th Grade

Used 34+ times

Subphylum Urochordata
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

--------- is a characteristic feature of Ascidiacea

Progressive metamorphosis

Retrogressive metamorphosis

Retrospect metamorphosis

Protagon metamorphosis

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Members of ___________ have a body covered with tunic

Ascidiacea

Thaliacea

Larvacea

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is indirect development?

Absence of larval stages

Presence of larval stages

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

The ascidian larva is

Positively geotropic & negatively phototropic

positively phototropic & negative geotropic

negatively phototropic

None of the above

5.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

The ascidian larva is

Highly motile

Cannot feed

Gut not well developed

None of these

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The name 'Appendicularians' is given urochordates of the class:

Larvacea

Ascidacea

Thaliacea

Leptocardii

7.

FILL IN THE BLANK QUESTION

1 min • 1 pt

The common name 'sea squirt' is for the organism

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