Which of the following is incorrect about mammals?
Not all mammals give birth to live young. Monotremes (e.g., platypus) lay eggs.
Ref: NCERT Class 11 Biology Chapter 4: Animal Kingdom Vertebrata - Aves and Mammalia
#animal facts
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Which of the following statements about reptiles is incorrect?
Most reptiles have a three-chambered heart, except crocodiles, which have a four-chambered heart.
Ref: NCERT Class 11 Biology Chapter 4: Animal Kingdom Phylum Arthropoda
Which of the following statements about birds is incorrect?
Birds are uricotelic, meaning they excrete uric acid, not urea.
Ref: NCERT Class 11 Biology Chapter 4: Animal Kingdom Basis of Classification - Symmetry Coelom Segmentation
