02 Which of the following bird makes its nest in a hole of tree trunk? 1. sparrow 2. crow 3. coppersmith 4. pegion
04 Which one of the following facts abouts animals is incorrect? 1. snakes are deaf and do not have legs 2. whale and dolphins locate their food through echo 3. frog and toad live only in water 4. reptiles can crawl
06 Which of the following differentiate plants from animals? 1. respiration and reproduction 2. mitochondria and centrosome 3. chlorophyll and vacuole 4. nucleus and cell membrane