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Q. No.The given figure shows broad classification of Kingdom Animalia based on common fundamental features. Which of the following can be true based on the information given in the figure?
a: Sponges represent ‘A’
b: ‘B’ includes flatworms
c: Animals in ‘C’ are triploblastic
d: Radial symmetry is seen in adults of animals in ‘D’
e: Animals in ‘E’ have a complete digestive system
1.
only a, c and e
2.
only a, b and e
3.
only b and d
4.
only a, c and d
a: Sponges represent ‘A’
b: ‘B’ includes flatworms
c: Animals in ‘C’ are triploblastic
d: Radial symmetry is seen in adults of animals in ‘D’
e: Animals in ‘E’ have a complete digestive system
Subtopic: Basis of Classification |
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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 |
83%
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Regarding the cell shown in the given figure:
| I: The name Cnidaria is derived from this cell |  |
| II: The stinging capsule present in the cell is called as nematode | |
| III: These cells help cnidarians in anchorage, defence and in capturing the prey |
1. While I and II are correct, III is incorrect
2. I, II and III are correct
3. Only II is incorrect
4. Only I is correct
Subtopic: Phylum Coelenterata |
52%
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Identify the incorrect statement regarding animals belonging to the Phylum Cnidaria:
| 1. | Gastrovascular cavity has a single opening, mouth on hypostome. |
| 2. | Corals are cnidarians and have a skeleton of calcium carbonate. |
| 3. | They exhibit tissue level of organization and are diploblastic. |
| 4. | Digestion is exclusively intracellular. |
Subtopic: Phylum Coelenterata |
83%
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Consider the following statements regarding basic body plans in Cnidaria:
| I: | Polyp is sessile and cylindrical form as seen in Hydra and Adamsia. |
| II: | Medusa is umbrella-shaped and free swimming form as seen in Aurelia. |
| 1. | Only I is correct | 2. | Only II is correct |
| 3. | Both I and II are correct | 4. | Both I and II are incorrect |
Subtopic: Phylum Coelenterata |
89%
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In Obelia:
| a: | both polyp and medusa forms exist during its life cycle |
| b: | metagenesis, a sort of alternation of generation, is seen |
| c: | polyps produce medusae sexually and medusae form the polyps sexually |
| 1. | only a is correct | 2. | only a and b are correct |
| 3. | only c is correct | 4. | a, b and c are correct |
Subtopic: Phylum Coelenterata |
84%
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Match each item in Column I with their correct match in Column II and select the answer from the codes given:
Codes:
| Column I | Column II | ||
| A. | Physalia | P. | Sea-fan |
| B. | Adamsia | Q. | Sea anemone |
| C. | Pennatula | R. | Sea-pen |
| D. | Gorgonia | S. | Portuguese men of war |
| A | B | C | D | |
| 1. | S | Q | R | P |
| 2. | S | R | Q | P |
| 3. | P | Q | R | S |
| 4. | S | P | Q | R |
Subtopic: Phylum Coelenterata |
90%
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Consider the two statements:
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
| Statement I: | Planaria is a free-living flatworm and possesses high regeneration capacity. |
| Statement II: | Hooks and suckers are present in parasitic flatworms. |
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 Ctenophora & Platyhelminthes |
84%
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A worm:
In light of the above statements, it will be reasonable to conclude that this worm belongs to Phlyum:
| I: | has dorso-ventrally flattened body |
| II: | is an endoparasite in human beings |
| III: | has hooks and suckers present at its anterior end |
| 1. | Platyhelminthes | 2. | Annelida |
| 3. | Aschelminthes | 4. | Cnidaria |
Subtopic: Phylum Ctenophora & Platyhelminthes |
90%
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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%
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