- 1(current)
Q. No.Consider the given two statements:
In light of the above statements, choose the most appropriate answer from the options given below:
| Statement I: | Sponges exhibit a cellular level of organization. |
| Statement II: | Cnidarians have a tissue level of organization. |
| 1. | Statement I is correct but Statement II is incorrect. |
| 2. | Both Statement I and Statement II are correct. |
| 3. | Both Statement I and Statement II are incorrect. |
| 4. | Statement I is incorrect but Statement II is correct. |
Subtopic: Phylum Porifera |
81%
Level 1: 80%+
Hints
Sponges are mostly:
| 1. | Asymmetrical | 2. | Radially symmetrical |
| 3. | Bilateraly symmetrical | 4. | Biradially symmetrical |
Subtopic: Phylum Porifera |
93%
Level 1: 80%+
Hints
Which of the following is not a feature of Porifera?
1. Exclusively marine animals
2. Presence of a water transport or a canal system
3. Sexes are not separate
4. Internal fertilization and indirect development
Subtopic: Phylum Porifera |
63%
Level 2: 60%+
Hints
Subtopic: Phylum Porifera |
91%
Level 1: 80%+
Hints
Identify the incorrect statement regarding sponges:
| 1. | Water enters the sponge body through ostia into a spongocoel from where it goes out through the osculum. |
| 2. | Body is supported by a skeleton made up of spicules or spongin fibres. |
| 3. | Sexes are not separate. |
| 4. | Fertilization is external. |
Subtopic: Phylum Porifera |
86%
Level 1: 80%+
Hints
Name the flagellated cells that line the canals of the sponge:
| 1. | choanocytes | 2. | porocytes |
| 3. | pinacocytes | 4. | colloblasts |
Subtopic: Phylum Porifera |
90%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
Sponges:
| I: | are exclusively marine and mostly asymmetrical animals. |
| II: | have cellular level of organisation. |
| III: | have a water transport or canal system. |
| IV: | have extracellular digestion. |
| 1. | Only I and II are correct |
| 2. | Only II and III are correct |
| 3. | Only III and IV are correct |
| 4. | Only I and IV are correct |
Subtopic: Phylum Porifera |
86%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
Match each item in column I with one in column II and select the correct match from the codes given below
Codes
| Column I | Column II | ||
| A. | Sycon | P. | Scypha |
| B. | Spongilla | Q. | Fresh water sponge |
| C. | Euspongia | R. | Both sponge |
Codes
| A | B | C | |
| 1. | P | Q | R |
| 2. | R | Q | P |
| 3. | P | R | Q |
| 4. | Q | P | R |
Subtopic: Phylum Porifera |
83%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
- 1(current)
Q. No.
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