Entry Test MCQ :: Kingdom Animalia
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21. |
In acoelomates gut is _____ in origin. |
A. |
Ectodermal |
B. |
Endodermal |
C. |
Mesodermal |
D. |
None of these |
Answer: Option B
Explanation:
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22. |
Sperms are _____ in origin. |
A. |
Ectodermal |
B. |
Mesodermal |
C. |
Endodermal |
D. |
None of these |
Answer: Option B
Explanation:
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23. |
A sponge of Antarctica which is more than a meter tall is |
A. |
Scolymastra joubini |
B. |
Euplectella |
C. |
Spongilla |
D. |
Leucoselenia |
Answer: Option A
Explanation:
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24. |
Venus flower basket is also known as |
A. |
Sycon |
B. |
Euplectella |
C. |
Leucoselenia |
D. |
Spongilla |
Answer: Option B
Explanation:
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25. |
Inner layers of the sponges are made up of |
A. |
Pinacocytes |
B. |
Choanoderm |
C. |
Choanoytes |
D. |
Pinacoderm |
Answer: Option C
Explanation:
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26. |
Porifera range in size from |
A. |
Few millimeter wide to more than one meter tall |
B. |
Few centimeter wide to more than one meter tall |
C. |
Few decimeter wide to more than one meter tall |
D. |
One meter wide to more than millimeter tall. |
Answer: Option A
Explanation:
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27. |
The internal buds are known as |
A. |
Spicules |
B. |
Choanocytes |
C. |
Gemmules |
D. |
None of these |
Answer: Option C
Explanation:
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28. |
The sponges in which sperms develop first are included in the category of |
A. |
Peritandrous |
B. |
Pertandrous |
C. |
Protendrous |
D. |
Protandrous |
Answer: Option D
Explanation:
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29. |
80% of the food of sponges consists of |
A. |
Detrital organic particles |
B. |
Zooplankton and small animals |
C. |
Phytoplanktons |
D. |
all of these |
Answer: Option A
Explanation:
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30. |
The skeleton of the sponges is in the form of variously shaped needle like structures called |
A. |
Stripules |
B. |
Spicules |
C. |
Brails |
D. |
Spines |
Answer: Option B
Explanation:
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