PG TRB ZOOLOGY ONLINE TEST / QUIZ AS PER LATEST SYLLABUS | Unit I - ANIMAL DIVERSITY AND PHYLOGENY | Outline classification of Reptiles.

PG TRB ZOOLOGY ONLINE TEST / QUIZ AS PER LATEST SYLLABUS | Unit I - ANIMAL DIVERSITY AND PHYLOGENY | Outline classification of Reptiles.

1. The presence of a diapsid skull, with two temporal fenestrae on each side, is a characteristic feature of which major group of living reptiles?

• a) Testudines
• b) Crocodilia
• c) Amphisbaenia
• d) Anapsida

2. Which order of reptiles is characterized by a complete dermal carapace and plastron, with the dorsal vertebrae and ribs fused to the carapace?

• a) Squamata
• b) Rhynchocephalia
• c) Testudines
• d) Crocodilia

3. The subclass Anapsida is represented by which single living order?

• a) Squamata
• b) Crocodilia
• c) Testudines
• d) Rhynchocephalia

4. Which of the following is an example of a reptile belonging to the suborder Sauria?

• a) Alligator
• b) Python
• c) Chameleon
• d) Tuatara

5. The suborder Serpentes, which includes all snakes, is part of which larger reptilian order?

• a) Rhynchocephalia
• b) Testudines
• c) Crocodilia
• d) Squamata

6. The unique reptile, *Sphenodon punctatus*, commonly known as the Tuatara, is the sole surviving member of which order?

• a) Squamata
• b) Rhynchocephalia
• c) Crocodilia
• d) Testudines

7. The presence of a secondary palate that separates the oral and nasal cavities is a key adaptation found in which order of reptiles?

• a) Testudines
• b) Squamata
• c) Crocodilia
• d) Rhynchocephalia

8. Which suborder of Squamata includes reptiles that are limbless, have reduced eyes, and are adapted for a burrowing lifestyle?

• a) Sauria
• b) Serpentes
• c) Amphisbaenia
• d) Chelonii

9. Lizards are placed under the suborder Sauria, which is a division of the order:

• a) Crocodilia
• b) Squamata
• c) Testudines
• d) Rhynchocephalia

10. Alligator and Crocodile belong to the order:

• a) Squamata
• b) Testudines
• c) Crocodilia
• d) Sphenodontida

11. A key feature of the Order Squamata is:

• a) The presence of a carapace and plastron.
• b) A kinetic skull with a movable quadrate bone.
• c) A complete bony secondary palate.
• d) The absence of temporal fenestrae.

12. The subclass Diapsida includes which two orders of living reptiles?

• a) Testudines and Squamata
• b) Crocodilia and Rhynchocephalia
• c) Testudines and Crocodilia
• d) Squamata and Crocodilia

13. The subclass Synapsida is significant because it includes:

• a) Modern birds
• b) Turtles and tortoises
• c) The ancestors of mammals
• d) Dinosaurs

14. Which order contains the most species among living reptiles?

• a) Testudines
• b) Crocodilia
• c) Rhynchocephalia
• d) Squamata

15. The presence of a parietal eye, which is a light-sensitive 'third eye', is a characteristic feature of:

• a) Tuatara
• b) Green Sea Turtle
• c) Nile Crocodile
• d) Komodo Dragon

16. The order Testudines is also known by the name:

• a) Chelonia
• b) Lacertilia
• c) Serpentes
• d) Crocodylia

17. Which of the following is NOT a suborder within the order Squamata?

• a) Sauria
• b) Amphisbaenia
• c) Serpentes
• d) Testudines

18. The Gila monster and Beaded lizard, known for their venom, are examples of lizards from which suborder?

• a) Serpentes
• b) Sauria
• c) Amphisbaenia
• d) Sphenodontida

19. The skull type of Testudines, which lacks temporal fenestrae, is known as:

• a) Diapsid
• b) Synapsid
• c) Anapsid
• d) Euryapsid

20. Which of the following reptiles has a four-chambered heart, a feature shared with birds and mammals?

• a) Tortoise
• b) Gecko
• c) Crocodile
• d) Tuatara

21. The order Squamata is classified under which subclass?

• a) Anapsida
• b) Synapsida
• c) Diapsida
• d) Euryapsida

22. The Gavial, characterized by its long, narrow snout, is a member of which order?

• a) Testudines
• b) Squamata
• c) Rhynchocephalia
• d) Crocodilia

23. Which of the following is a primary characteristic that distinguishes the suborder Serpentes from Sauria?

• a) Presence of scales
• b) Absence of eyelids and external ear openings
• c) Presence of a flexible jaw
• d) Cold-blooded nature

24. The extinct Ichthyosaurs and Plesiosaurs belong to which subclass, characterized by a single upper temporal fenestra?

• a) Anapsida
• b) Diapsida
• c) Euryapsida
• d) Synapsida

25. The suborder Amphisbaenia is also known as:

• a) Worm lizards
• b) Monitor lizards
• c) Blind snakes
• d) Alligators

26. Which order includes marine turtles and terrestrial tortoises?

• a) Crocodilia
• b) Squamata
• c) Testudines
• d) Rhynchocephalia

27. The ability of lizards to shed their tails (autotomy) is a common feature in the suborder:

• a) Serpentes
• b) Sauria
• c) Amphisbaenia
• d) All of the above

28. Which of the following is a characteristic of the Order Crocodilia?

• a) Absence of teeth
• b) A three-chambered heart with an incomplete ventricular septum
• c) Thecodont dentition
• d) Anapsid skull

29. The term "Squamata" is derived from the Latin word meaning:

• a) Armored
• b) Four-legged
• c) Scaly
• d) Burrowing

30. A turtle's shell is a modification of its:

• a) Skin and scales only
• b) Ribs and vertebrae only
• c) Skull and jaw
• d) Ribs, vertebrae, and dermal plates

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