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Q. No.What is the number of animals, amongst the animals given below, that have both a four-chambered heart and endothermy?
Crocodilus, Aptendytes, Canis, Calotes, Struthio, Delphinus, Testudo, Ichthyophis
1.
3
2.
4
3.
5
4.
6
Subtopic: Phylum Chordata | Study of Reptilia | Study of Aves & Mammals |
50%
Level 3: 35%-60%
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Body not segmented but presence of three regions – a proboscis, a trunk, a collar and presence of a stomochord are the features seen in:
| 1. | Myxine | 2. | Ascidia |
| 3. | Saccoglossus | 4. | Branchiostoma |
Subtopic: Phylum Hemichordata |
86%
Level 1: 80%+
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Match each item in Column I with one in Column II and select the correct match from the codes given:
Codes
| COLUMN I | COLUMN II | ||
| A. | Petromyzon | P | A jawless vertebrate |
| B. | Icthyophis | Q | A limbless amphibian |
| C. | Struthio | R | A flightless bird |
Codes
| A | B | C | |
| 1. | Q | R | P |
| 2. | Q | P | R |
| 3. | P | Q | R |
| 4. | P | R | Q |
Subtopic: Phylum Chordata | Comparative study of Cartilagenous & Bony Fishes | Study of Amphibians | Study of Aves & Mammals |
89%
Level 1: 80%+
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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 | Phylum Aschelminthes | Phylum Annelida |
85%
Level 1: 80%+
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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 most appropriate answer from the options given below:
| Assertion (A): | All vertebrates are chordates but all chordates are not vertebrates. |
| Reason (R): | Notochord is replaced by vertebral column in the adult vertebrates. |
| 1. | (A) is False but (R) is True. |
| 2. | Both (A) and (R) are True and (R) correctly explains (A). |
| 3. | Both (A) and (R) are True and (R) does not correctly explain (A). |
| 4. | (A) is True but (R) is False. |
Subtopic: Phylum Chordata |
75%
Level 2: 60%+
NEET - 2022
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In which of the following animals, the digestive tract has additional chambers like crop and gizzard?
1. Pavo, Psittacula, Corvus
2. Corvus, Columba, Chameleon
3. Bufo, Balaenoptera, Bangarus
4. Catla, Columba, Crocodilus
1. Pavo, Psittacula, Corvus
2. Corvus, Columba, Chameleon
3. Bufo, Balaenoptera, Bangarus
4. Catla, Columba, Crocodilus
Subtopic: Study of Aves & Mammals |
81%
Level 1: 80%+
NEET - 2022
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Subtopic: Comparative study of Cartilagenous & Bony Fishes | Class Osteichthyes |
75%
Level 2: 60%+
NEET - 2022
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Given below are two statements:
| I: | Amphibians and reptiles have a 3-chambered heart with two atria and a single ventricle, and are oviparous in nature |
| II: | Crocodiles possess a 4 chambered heart with two ventricles and two atria and are viviparous in nature |
Select the most appropriate option:
1. I is correct but II is incorrect.
2. I is incorrect but II is correct.
3. Both I and II are correct.
4. Both I and II are incorrect.
Subtopic: Study of Amphibians | Study of Reptilia |
59%
Level 3: 35%-60%
NEET - 2022
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Which one of the following features are not true for chordates?
(a) Heart is dorsal.
(b) Pharynx is perforated by gill slits.
(c) Central nervous system is ventral, solid and single.
(d) Post-anal tail is present.
(e) Notochord is present.
Choose the most appropriate answer from the option given below:
| 1. | (e) only | 2. | (a), (d) and (c) only |
| 3. | (b) and (c) only | 4. | (a) and (c) only |
Subtopic: Phylum Chordata | Comparative study of Cartilagenous & Bony Fishes |
73%
Level 2: 60%+
NEET - 2022
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Which of the following character is not applicable for reptiles?
| 1. | Mostly terrestrial |
| 2. | Body is covered with dry and cornfield skin |
| 3. | Paired limbs are present |
| 4. | Absence of tympanum. |
Subtopic: Study of Reptilia |
78%
Level 2: 60%+
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