- 1(current)
Q. No.Cnidarians, Ctenophores and Echinoderms resemble each other in:
1. Only I and II are correct
2. I, II and III are incorrect
3. Only I is correct
4. I, II and III are correct
| I: | having radial symmetry in adults and larvae |
| II: | having three germ layers |
| III: | lacking a coelom |
1. Only I and II are correct
2. I, II and III are incorrect
3. Only I is correct
4. I, II and III are correct
Subtopic: Â Basis of Classification:I |Â Phylum Aschelminthes |
Level 3: 35%-60%
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Aschelminthes are:
| 1. | radially symmetrical, triploblastic and pseudocoelomate animals. |
| 2. | bilaterally symmetrical, triploblastic and acoelomate animals. |
| 3. | bilaterally symmetrical, triploblastic and pseudocoelomate animals. |
| 4. | radially symmetrical, diploblastic and eucoelomate animals. |
Subtopic: Â Phylum Aschelminthes |
 87%
Level 1: 80%+
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Match each item in Column I with one in Column II and select the correct match from the codes given:
Codes:
| Column I | Column II | ||
| A | Limulus | P | Gregarious pest |
| B | Locusta | Q | Living fossil |
| C | Ancylostoma | R | Filaria worm |
| D | Wuchereria | S | Hookworm |
| A | B | C | D | |
| 1. | Q | P | S | R |
| 2. | P | Q | S | R |
| 3. | P | Q | R | S |
| 4. | Q | P | R | S |
Subtopic: Â Phylum Aschelminthes |Â Phylum Arthropoda |
 89%
Level 1: 80%+
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Platyhelminthes are (A), Aschelminthes are (B) and Molluscs are (C).
| A | B | C | |
| 1 | Pseudocoelomate | Acoelmate | Eucoelomate |
| 2 | Acoelmate | Pseudocoelomate | Acoelmate |
| 3 | Acoelmate | Pseudocoelomate | Eucoelomate |
| 4 | Acoelomate | Pseudocoelomate | Pseudocoelomate |
Subtopic: Â Phylum Ctenophora |Â Phylum Aschelminthes |Â Phylum Mollusca |Â Phylum Platyhelminthes |
 90%
Level 1: 80%+
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Identify the incorrect statement:
| 1. | A cnidoblast is seen in Cnidaria |
| 2. | Bioluminescence is well developed in some Ctenophores |
| 3. | Protonephridia are excretory and osmoregulatory structures in flatworms |
| 4. | Nematodes have a true coelom |
Subtopic: Â Phylum Coelenterata |Â Phylum Ctenophora |Â Phylum Aschelminthes |
 79%
Level 2: 60%+
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- 1(current)
Q. No.
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