- 1(current)
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Subtopic: Â Study of Reptilia |
Level 4: Below 35%
Please attempt this question first.
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Please attempt this question first.
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: Â Study of Amphibians |Â Study of Reptilia |
 59%
Level 3: 35%-60%
NEET - 2022
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Match items in column-I with those in column-II and choose the correct option.
| Column-I | Column-II | ||
| (a) | Exocoetus | (i) | Tympanum represents the ear |
| (b) | Trygon | (ii) | Marine bony fish |
| (c) | Salamandra | (iii) | Air sacs connected to lungs |
| (d) | Aptenodytes | (iv) | Cartilaginous marine fish |
| (a) | (b) | (c) | (d) | |
| 1. | (i) | (ii) | (iii) | (iv) |
| 2. | (iv) | (iii) | (ii) | (i) |
| 3. | (ii) | (iv) | (i) | (iii) |
| 4. | (i) | (iii) | (ii) | (iv) |
Subtopic: Â Study of Reptilia |Â Study of Aves & Mammals |Â Super Class Pisces & its General Characteristics |
 89%
Level 1: 80%+
Hints
Match column -I with column-II and choose the correct option:
| Column-I | Column-II | ||
| a. | Three-chambered heart with one incompletely divided ventricle | (i) | Myxine |
| b. | Jawless vertebrate with a cartilaginous vertebral column | (ii) | Chaetopleura |
| c. | Soft, unsegmented body and has a structure that helps in both respiration and excretion | (iii) | Calotes |
| d. | Ventral mouth, gills without operculum, and skin with placoid scales | (iv) | Scoliodon |
| 1. | a(i), b(ii), c(iii), d(iv) |
| 2. | a(iv), b(iii), c(ii), d(i) |
| 3. | a(ii), b(iv), c(i), d(iii) |
| 4. | a(iii), b(i), c(ii), d(iv) |
Subtopic: Â Phylum Mollusca |Â Phylum Chordata |Â Comparative study of Cartilagenous & Bony Fishes |Â Study of Reptilia |
 85%
Level 1: 80%+
Hints
Match column-I with column-II and choose the correct option:
| Column-I | Column-II | ||
| A. | Vipera | (i) | Oil gland at the base of the tail |
| B. | Columba | (ii) | Heterodont dentition |
| C. | Scoliodon | (iii) | Crawling mode of Locomotion |
| D. | Panthera | (iv) | Pelvic fins bear claspers in males |
| 1. | A(i), B(ii), C(iv), D(iii) |
| 2. | A(iii), B(i), C(iv), D(ii) |
| 3. | A(iv), B(ii), C(i), D(iii) |
| 4. | A(iii), B(iv), C(ii), D(i) |
Subtopic: Â Study of Amphibians |Â Study of Reptilia |Â Study of Aves & Mammals |
 93%
Level 1: 80%+
Hints
Read the following statements and choose the correct option.
| Statement A: | Reptiles have a 3-chambered heart, except crocodiles which have a 2-chambered heart. |
| Statement B: | Superclass Pisces shows single circulation as opposed to class Aves which shows double circulation. |
| 1. | Both statements are incorrect. |
| 2. | Only statement A is correct. |
| 3. | Only statement B is correct. |
| 4. | Both statements are correct. |
Subtopic: Â Study of Reptilia |
 77%
Level 2: 60%+
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| Assertion (A) : | The scales of reptiles and fishes are similar in origin. |
| Reason (R) : | All the chordates lack kidneys. |
| 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: Â Study of Reptilia |Â Study of Aves & Mammals |
 69%
Level 2: 60%+
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| Assertion (A) : | Reptiles are poikilotherms. |
| Reason (R) : | Reptiles possess eggs with shells which helped them to adapt in land environment. |
| 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: Â Study of Reptilia |
 80%
Level 1: 80%+
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