- 1(current)
Q. No.| Assertion (A): | Aschelminthes are called round worms. |
| Reason (R): | The body of the aschelminthes is circular in cross-section. |
| 1. | (A) is True but (R) is False. |
| 2. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 3. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 4. | (A) is False but (R) is True. |
Subtopic: Phylum Aschelminthes |
90%
From NCERT
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Consider the given two statements:
| Assertion (A): | Roundworms are considered pseudocoelomates. |
| Reason (R): | They have a body cavity not lined with mesoderm. |
| 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: Phylum Aschelminthes | Basis of Classification |
57%
From NCERT
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Consider the following statements regarding roundworms:
The incorrect statement is/are:
| Statement I: | Alimentary canal is complete with a well-developed muscular pharynx. |
| Statement II: | An excretory tube removes body wastes from the body cavity through the excretory pore. |
| Statement III: | They are dioecious and males are longer than females. |
| 1. | Only Statement II |
| 2. | Only Statement III |
| 3. | Only Statement I and Statement II |
| 4. | Only Statement II and Statement III |
Subtopic: Phylum Aschelminthes |
66%
From NCERT
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Body cavity is the cavity present between body wall and gut wall. In some animals, the body cavity is not lined by mesoderm. Such animals are called
| 1. | Acoelomate | 2. | Pseudocoelomate |
| 3. | Coelomate | 4. | Haemocoelomate |
Subtopic: Phylum Aschelminthes |
From NCERT
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Ascaris is characterized by:
1. Presence of true coelom but absence of metamerism
2. Presence of true coelom and metamerism
3. Absence of true coelom but presence of metamerism
4. Presence of neither true coelom nor metamerism
Subtopic: Phylum Aschelminthes |
72%
From NCERT
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In roundworms:
| Statement I: | Males are diploblastic; females are triploblastic |
| Statement II: | Generally, males are longer than females |
| 1. | Statement I is correct and Statement II is incorrect |
| 2. | Statement I is incorrect and Statement II is correct |
| 3. | Both Statement I and Statement II are correct |
| 4. | Both Statement I and Statement II are incorrect |
Subtopic: Phylum Aschelminthes |
83%
From NCERT
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Match the following:
Codes
| Column I | Column II | ||
| A. | Ascaris | P. | Filaria worm |
| B. | Wuchereria | Q. | Roundworm |
| C. | Ancylostoma | R. | Hookworm |
| A | B | C | |
| 1. | R | Q | P |
| 2. | R | P | Q |
| 3. | Q | R | P |
| 4. | Q | P | R |
Subtopic: Phylum Aschelminthes |
82%
From NCERT
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- 1(current)
Q. No.
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