Given below are two statements: In the light of the above statements, choose the most appropriate answer from the options given below:
- Statement I is incorrect but Statement II is correct
- Both Statement I and Statement II are correct
- Both Statement I and Statement II are incorrect
- Statement I is correct but Statement II is incorrect
Answer
(4) Statement I is correct but Statement II is incorrect
Solution
Statement I is correct: As per NCERT, the class name Reptilia refers to their creeping or crawling mode of locomotion (Latin, repere or reptum = to creep or crawl).
Statement II is incorrect: Reptiles usually have a three-chambered heart, but crocodiles have a four-chambered heart. Hence, not all reptiles have a three-chambered heart.
Answer: (4)