Class 4 Science Chapter 1 Test 3 Welcome to your Class 4 Science Chapter 1 Test 3 1. Tiger uses its ________ for piercing the prey. Incisors Canines Premolar Molar 2. Premolar and molar teeth are used for: Biting and cutting Piercing and tearing Chewing and grinding None of these 3. There are __________ bones in the human skeleton. 106 206 306 None of these 4. Lungs are surrounded by _______ Ribs Skull Brain None of these 5. When we inhale air, the lungs _______ Contract Expand Both a & b None of these 6. Bone marrow helps to produce ______ Blood Water Carbon dioxide None of these 7. __________ are used for piercing and tearing food. Incisors Canines Premolar Molar 8. During breathing air enters in our lungs through______ Nose Wind pipe Stomach Both a & b 9. Rat uses its _________ for biting food or killing prey. Incisors Canines Premolar Molar 10. During breathing air enters in our _______ Lungs Brain Stomach All of these 11. There are ________ types of human teeth. 2 3 4 5 12. The function of bones of leg is to help in _____ Locomotion Walking Both a & b None of these 13. _________ are used for biting and cutting food. Incisors Canines Premolar Molar 14. All the bones are united with one another at the joints forming a frame called ________. Brain Skull Skeleton Lungs 15. Tiger has large ____________ Incisors Canines Premolar Molar Please fill in the comment box below. Time is Up! Time's up
