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