Entry Test MCQ :: Kingdom Animalia
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| 31. |
The skeleton of sponges is made up of |
| A. |
Calcium |
B. |
Silica |
| C. |
Both of these |
D. |
None of these |
Answer: Option C
Explanation:
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| 32. |
Sperms released in water are carried to the mesenchyme in sponges by |
| A. |
Amoeboid cell |
B. |
Stipules |
| C. |
Spicules |
D. |
Spines |
Answer: Option A
Explanation:
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| 33. |
Gut in pseudocoelomates is made from |
| A. |
Ectoderm |
B. |
Mesoderm |
| C. |
Endoderm |
D. |
All of these |
Answer: Option C
Explanation:
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| 34. |
In sponges fertilization takes place in |
| A. |
Ectoderm |
B. |
Mesenchyme |
| C. |
Endoderm |
D. |
Uterus |
Answer: Option B
Explanation:
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| 35. |
The single main opening of the sponge cavity is |
| A. |
Osculum |
B. |
Ostia |
| C. |
Spongocoel |
D. |
None of these |
Answer: Option A
Explanation:
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| 36. |
Enteron in coelenterates acts as |
| A. |
Digestive cavity |
B. |
Body cavity |
| C. |
Transporting cavity |
D. |
all of these |
Answer: Option D
Explanation:
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| 37. |
Which of the following are motile zooids in cnidarians? |
| A. |
Polyps |
B. |
Medusae |
| C. |
Both of these |
D. |
None of these |
Answer: Option B
Explanation:
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| 38. |
Exoskeoeton of coelenterates terates is made up to |
| A. |
Calcium |
B. |
Silica |
| C. |
Chitin |
D. |
Both A & B |
Answer: Option A
Explanation:
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| 39. |
All of the following coelenterates show alternation of generation except |
| A. |
Hydra |
B. |
Obelia |
| C. |
Aurelia |
D. |
None of these |
Answer: Option A
Explanation:
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| 40. |
All of the following are tue for platyhelminthes except |
| A. |
Flatwarms |
B. |
Triploblastic |
| C. |
Coelomate |
D. |
Bilateral symmetry |
Answer: Option C
Explanation:
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