- 1(current)
Q. No.Match items in column-I with those in column-II and choose the correct option.
| Column-I | Column-II | ||
| a. | Annelids | (i) | Triploblastic acoelomate |
| b. | Platyhelminths | (ii) | Ciliated comb plates |
| c. | Aschelminths | (iii) | Metamerism |
| d. | Ctenophores | (iv) | Pseudocoelomates |
| 1. | a(i), b(ii), c(iv), d(iii) |
| 2. | a(iii), b(i), c(iv), d(ii) |
| 3. | a(ii), b(iv), c(i), d(iii) |
| 4. | a(iv), b(ii), c(iii), d(i) |
Subtopic: Â Phylum Ctenophora |Â Phylum Aschelminthes |Â Phylum Annelida |
 91%
Level 1: 80%+
Hints
Match the following
| List-I | List-II | ||
| (a) | Physalia | i. | Pearl oyster |
| (b) | Limulus | ii. | Portuguese Man of War |
| (c) | Ancylostoma | iii. | Living fossil |
| (d) | Pinctada | iv. | Hookworm |
Choose the correct answer from the options given below:
| Options: | (a) | (b) | (c) | (d) |
| 1. | ii | iii | iv | i |
| 2. | i | iv | iii | ii |
| 3. | ii | iii | i | iv |
| 4. | iv | i | iii | ii |
Subtopic: Â Phylum Coelenterata |Â Phylum Aschelminthes |Â Phylum Arthropoda |Â Phylum Mollusca |
 88%
Level 1: 80%+
NEET - 2021
Hints
Read the following statements.
| (a) | Metagenesis is observed in Helminths. |
| (b) | Echinoderms are triploblastic and coelomate animals. |
| (c) | Round worms have organ-system level of body organization. |
| (d) | Comb plates present in ctenophores help in digestion. |
| (e) | Water vascular system is characteristic of Echinoderms. |
Choose the correct answer from the options given below:
1. (a), (d) and (e) are correct
2. (b), (c) and (e) are correct
3. (c), (d) and (e) are correct
4. (a), (b) and (c) are correct
Subtopic: Â Phylum Coelenterata |Â Phylum Ctenophora |Â Phylum Aschelminthes |Â Phylum Echinodermata |
 80%
Level 1: 80%+
NEET - 2021
Hints
Match column-I with column-II and select the correct option
| Column-I | Column-II | ||
| a. | Euspongia | (i) | Liver fluke |
| b. | Fasciola | (ii) | Bath sponge |
| c. | Ophiura | (iii) | Hagfish |
| d. | Myxine | (iv) | Brittle star |
| a | b | c | d | |
| 1. | (i) | (ii) | (iii) | (iv) |
| 2. | (ii) | (iv) | (iii) | (i) |
| 3. | (ii) | (i) | (iv) | (iii) |
| 4. | (iv) | (iii) | (ii) | (i) |
Subtopic: Â Phylum Porifera |Â Phylum Coelenterata |Â Phylum Aschelminthes |
 92%
Level 1: 80%+
Hints
Assertion (A): The digestive system of Aschelminthes is incomplete.
Reason (R): The incomplete digestive system has only a single opening to the outside of the body that serves as both mouth and anus.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Reason (R): The incomplete digestive system has only a single opening to the outside of the body that serves as both mouth and anus.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Subtopic: Â Phylum Aschelminthes |
 73%
Level 2: 60%+
Hints
Assertion (A): Aschelminthes are called roundworms.
Reason (R): Aschelminthes have circular bodies in cross-section.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Reason (R): Aschelminthes have circular bodies in cross-section.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Subtopic: Â Phylum Aschelminthes |
 91%
Level 1: 80%+
Hints
Match the following:
Choose the correct answer from the options given below:
| List I | List II | ||
| (a) | Hydra | (i) | Cuttlefish |
| (b) | Sepia | (ii) | Gregarious pest |
| (c) | Wuchereria | (iii) | Freshwater polyp |
| (d) | Locusta | (iv) | Filarial worm |
Choose the correct answer from the options given below:
| 1. | (i) (iv) (iii) (ii) |
| 2. | (iii) (i) (iv) (ii) |
| 3. | (ii) (iii) (i) (iv) |
| 4. | (iii) (i) (ii) (iv) |
Subtopic: Â Phylum Coelenterata |Â Phylum Aschelminthes |Â Phylum Arthropoda |
 93%
Level 1: 80%+
Hints
| Assertion (A): | The phylum Aschelminthes represent pseudocoelomates |
| Reason (R): | In Aschelminthes, mesoderm is present as scattered pouches in between ectoderm and endoderm |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Â Phylum Aschelminthes |
Level 4: Below 35%
Hints
Assertion(A) : Tapeworms, round worms and pin worms are endoparasites of human intestine.
Reason (R) : Improperly cooked food is the source of all intestinal infections.
Reason (R) : Improperly cooked food is the source of all intestinal infections.
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Â Phylum Ctenophora |Â Phylum Aschelminthes |Â Phylum Platyhelminthes |
Level 3: 35%-60%
Hints
- 1(current)
Q. No.
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