NEETBotanyAnimal Kingdom
Read the following statements and choose the follwoing option: 1. The hindlimbs in aves are modified into wings 2. Birds are homiothermous 3. The digestive tract of birds has additional chambers, the crop and gizzard. 4.Heart is completely four- chambered. 5. Fertilisation is internal in Aves
Options
- ABoth 1 and 5 are incorrect
- BAll are correct
- COnly 1 is correct
- DOnly 1 is incorrect
Correct answer
D. Only 1 is incorrect
Step-by-step solution
The forelimbs in aves are modified into wings. The hind limbs generally have scales and are modified for walking, swimming or clasping the tree branches.They are warm-blooded (homoiothermous) animals, i.e.,they are able to maintain a constant body temperature.