AIIMS 2018 Zoology Reptiles MCQ Question

🐾 NEET Explanation — Classification of Animals

Question: Which option contains only members of the same class?

✅ Correct Answer: C — Reptilia: Calotes, Heloderma, Uromastix, Draco

All four are reptiles and belong to Class Reptilia.

• 🦎 Calotes → Garden lizard → Reptilia
• 🦎 Heloderma → Gila monster → Reptilia
• 🦎 Uromastix → Spiny-tailed lizard → Reptilia
• 🦎 Draco → Flying lizard → Reptilia

➡️ Therefore, Option C is correct. ✅

❌ Why other options are incorrect?

🔴 A — Mammalia: Platypus, Rattus, Camelus, Pavo

• Platypus → Mammalia
• Rattus → Mammalia
• Camelus → Mammalia
• Pavo (Peacock) → Aves ❌

➡️ One member belongs to Aves, so the option is incorrect.

🔴 B — Aves: Neophron, Struthio, Sphenodon, Passer

• Neophron → Aves
• Struthio → Aves
• Sphenodon → Reptilia ❌
• Passer → Aves

➡️ Sphenodon is a reptile, so incorrect.

🔴 D — Amphibia: Bufo, Hyla, Rhacophorus, Ophiosaurus

• Bufo → Amphibia
• Hyla → Amphibia
• Rhacophorus → Amphibia
• Ophiosaurus → Reptilia ❌

➡️ Ophiosaurus (glass lizard) is a reptile, so incorrect.

🧠 Quick NEET Trick

C = All Reptiles 🦎

NEET Tip: Don't judge only by common names. Questions often use scientific names, so remember the important examples from NCERT animal classification.