Class 4 Science Chapter 1 Test 3 Updated: 11 Jun 2022 1106 Welcome to your Class 4 Science Chapter 1 Test 3 1. Bone marrow helps to produce ______ Blood Water Carbon dioxide None of these None 2. When we exhale air, the lungs Contract Expand Both a & b None of these None 3. The function of skull is to protect __________ Lungs Brain Stomach All of these None 4. The function of bones of leg is to help in _____ Locomotion Walking Both a & b None of these None 5. __________ are used for piercing and tearing food. Incisors Canines Premolar Molar None 6. Rat uses its _________ for biting food or killing prey. Incisors Canines Premolar Molar None 7. There are ________ types of human teeth. 2 3 4 5 None 8. The function of ribs is to protect __________ Lungs Brain Stomach All of these None 9. Lungs are surrounded by _______ Ribs Skull Brain None of these None 10. All the bones are united with one another at the joints forming a frame called ________. Brain Skull Skeleton Lungs None 11. _________ are used for biting and cutting food. Incisors Canines Premolar Molar None 12. During breathing air enters in our _______ Lungs Brain Stomach All of these None 13. ________ protect and support body parts. Brain Skull Skeleton Lungs None 14. Premolar and molar teeth are used for: Biting and cutting Piercing and tearing Chewing and grinding None of these None 15. The bones of our arm and legs are __________. Hollow Open Closed None of these None Please fill in the comment box below. Time's up
Please Write Your Comments