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Q. No.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): | All vertebrates are chordates but all chordates are not vertebrate. |
| Reason (R): | The members of subphylum vertebrata possess notochord during the embryonic period, the notochord is replaced by a cartilaginous or bony vertebral column in adults. |
| 1. | (A) is True but (R) is False. |
| 2. | (A) is False but (R) is True. |
| 3. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 4. | Both (A) and (R) are True but (R) is not the correct explanation of (A) |
Subtopic: Phylum Chordata |
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All living members of the class Cyclostomata are:
1. Symbiotic
2. Ectoparasite
3. Free living
4. Endoparasite
1. Symbiotic
2. Ectoparasite
3. Free living
4. Endoparasite
Subtopic: Class Cyclostomata |
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Role of the water vascular system in Echinoderms is:
Choose the correct answer from the options given below:
| A. | Respiration and locomotion |
| B. | Excretion and locomotion |
| C. | Capture and transport of food |
| D. | Digestion and respiration |
| E. | Digestion and excretion |
| 1. | B and C only | 2. | B, D and E only |
| 3. | A and B only | 4. | A and C only |
Subtopic: Phylum Echinodermata |
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While trying to find out the characteristic of a newly found animal, a researcher did the histology of adult animal and observed a cavity with presence of mesodermal tissue towards the body wall but no mesodermal tissue was observed towards the alimentary canal. What could be the possible coelome of that animal?
1. Schizocoelomate
2. Spongocoelomate
3. Acoelomate
4. Pseudocoelomate
1. Schizocoelomate
2. Spongocoelomate
3. Acoelomate
4. Pseudocoelomate
Subtopic: Basis of Classification |
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Match List I with List II:
Choose the correct answer from the options given below:
1. A-II, B-I, C-IV, D-III
2. A-II, B-IV, C-I, D-III
3. A-IV, B-III, C-II, D-I
4. A-IV, B-II, C-III, D-I
| List I | List II | ||
| A. | Pleurobrachia | I. | Mollusca |
| B. | Radula | II. | Ctenophora |
| C. | Stomochord | III. | Osteichthyes |
| D. | Air bladder | IV. | Hemichordata |
Choose the correct answer from the options given below:
1. A-II, B-I, C-IV, D-III
2. A-II, B-IV, C-I, D-III
3. A-IV, B-III, C-II, D-I
4. A-IV, B-II, C-III, D-I
Subtopic: Phylum Ctenophora | Phylum Mollusca | Phylum Hemichordata | Phylum Chordata |
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Match List I with List II:
Choose the correct answer from the options given below:
| List I | List II | ||
| A. | Pterophyllum | I. | Hag fish |
| B. | Myxine | II. | Saw fish |
| C. | Pristis | III. | Angel fish |
| D. | Exocoetus | IV. | Flying fish |
Choose the correct answer from the options given below:
| 1. | A-III, B-I, C-II, D-IV |
| 2. | A-IV, B-I, C-II, D-III |
| 3. | A-III, B-II, C-I, D-IV |
| 4. | A-II, B-I, C-III, D-IV |
Subtopic: Phylum Chordata |
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Consider the following statements:
A. Annelids are true coelomates
B. Poriferans are pseudocoelomates
C. Aschelminthes are acoelomates
D. Platyhelminthes are pseudocoelomates
Choose the correct answer from the options given below:
1. A only
2. C only
3. D only
4. B only
A. Annelids are true coelomates
B. Poriferans are pseudocoelomates
C. Aschelminthes are acoelomates
D. Platyhelminthes are pseudocoelomates
Choose the correct answer from the options given below:
1. A only
2. C only
3. D only
4. B only
Subtopic: Phylum Annelida |
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The following are the statements about non-chordates:
Choose the most appropriate answer from the options given below:
| A. | Pharynx is perforated by gill slits. |
| B. | Notochord is absent. |
| C. | Central nervous system is dorsal. |
| D. | Heart is dorsal if present. |
| E. | Post anal tail is absent. |
Choose the most appropriate answer from the options given below:
| 1. | A, B & D only |
| 2. | B, D & E only |
| 3. | B, C & D only |
| 4. | A & C only |
Subtopic: Phylum Chordata |
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Which of the following group of animals have three chambered heart?
1. Bufo, Alligator, Struthio
2. Chameleon, Hyla, Calotes
3. Crocodilus, pavo, Clarias
4. Exocoetus, Hemidactylus, Rana
1. Bufo, Alligator, Struthio
2. Chameleon, Hyla, Calotes
3. Crocodilus, pavo, Clarias
4. Exocoetus, Hemidactylus, Rana
Subtopic: Study of Amphibians | Study of Reptilia |
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Match List-I with List-II:
Choose the correct answer from the options given below:
| List-I (Biological Name) |
List-II (Common name) |
||
| A. | Asterias | I. | Sea urchin |
| B. | Antedon | II. | Brittle star |
| C. | Echinus | III. | Sea lily |
| D. | Ophiura | IV. | Star fish |
Choose the correct answer from the options given below:
| 1. | A-III, B-IV, C-II, D-I |
| 2. | A-IV, B-III, C-I, D-II |
| 3. | A-II, B-III, C-I, D-IV |
| 4. | A-I, B-II, C-IV, D-III |
Subtopic: Phylum Echinodermata |
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