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Q. No.In Chordates:
I:
Heart is dorsal
II:
Central nervous system is ventral
III:
A post-anal tail is present
1. Only I and II are correct
2. Only III is correct
3. Only II is correct
4. Only I and III are correct
Subtopic: Phylum Chordata |
81%
From NCERT
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Match each item in Column I with the one in Column II and select the correct match from the codes given:
Codes:
| Column I | Column II | ||
| A | Cephalochordata | P | Swim bladder |
| B | Cyclostomata | Q | Notochord – head to tail |
| C | Chondrichthyes | R | Males bear claspers on pelvic fins |
| D | Osteichthyes | S | Marine but migrate to freshwater for spawning |
| A | B | C | D | |
| 1. | S | Q | P | R |
| 2. | P | Q | R | S |
| 3. | Q | S | R | P |
| 4. | R | P | S | Q |
Subtopic: General Introduction: Vertebrates & Agnatha |
91%
From NCERT
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Which of the following animals is not matched to its correct scientific name?
| 1. | Penguin: Aptenodytes | 2. | Tortoise: Testudo |
| 3. | Platypus: Macropus | 4. | Angel fish: Pterophyllum |
Subtopic: Study of Aves & Mammals |
83%
From NCERT
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Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R):
In the light of the above statements, choose the correct answer from the options given below:
| Assertion (A): | Hemichordates are not chordates. |
| Reason (R): | They do not have a notochord. |
| 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 Hemichordata | Phylum Chordata |
86%
From NCERT
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Which class of vertebrates bears jaw but does not bear limbs?
| 1. | Cyclostomata | 2. | Chondrichthyes |
| 3. | Amphibia | 4. | Reptilia |
Subtopic: Comparative study of Cartilagenous & Bony Fishes |
72%
From NCERT
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Match each item in Column I with one in Column II and select the best match from the codes given:
Codes:
| Column I | Column II | ||
| A. | Comb plates | P. | Cnidaria |
| B. | Metagenesis | Q. | Mollusca |
| C. | Canal system | R. | Sponges |
| D. | Radula | S. | Ctenophora |
| A | B | C | D | |
| 1. | S | P | R | Q |
| 2. | P | S | R | Q |
| 3. | P | S | Q | R |
| 4. | S | P | Q | R |
Subtopic: Phylum Porifera | Phylum Coelenterata | Phylum Ctenophora & Platyhelminthes | Phylum Mollusca |
89%
From NCERT
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Which of the following animals belongs to the subphylum Vertebrata?
1. Doliolum
2. Branchistoma
3. Petromyzon
4. Salpa
1. Doliolum
2. Branchistoma
3. Petromyzon
4. Salpa
Subtopic: General Introduction: Vertebrates & Agnatha |
78%
From NCERT
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Identify the incorrectly matched pair:
| 1. | Obelia | Metagenesis |
| 2. | Planaria | Free living with high regeneration capacity |
| 3. | Ancylostoma | Acoelomate |
| 4. | Nereis | Parapodia |
Subtopic: Phylum Coelenterata | Phylum Ctenophora & Platyhelminthes | Phylum Aschelminthes | Phylum Annelida |
85%
From NCERT
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Identify the incorrectly matched pair:
| 1. | Echinodermata | Water vascular system |
| 2. | Hemichordata | Stomochord |
| 3. | Cyclostomata | Cartilaginous jaw |
| 4. | Cephalochordata | Notochord persistent throughout life |
Subtopic: General Introduction: Vertebrates & Agnatha |
82%
From NCERT
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A complete digestive system is present in the members of all the following phyla of Animal Kingdom except:
| I: | Platyhelminthes |
| II: | Mollusca |
| III: | Annelida |
| 1. | Only I | 2. | Only II |
| 3. | Only II and III | 4. | I, II, and III |
Subtopic: Basis of Classification |
72%
From NCERT
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