Class 4 Science Chapter 1 Test 3 Updated: 11 Jun 2022 1099 Welcome to your Class 4 Science Chapter 1 Test 3 1. Rat uses its _________ for biting food or killing prey. Incisors Canines Premolar Molar None 2. The function of bones of leg is to help in _____ Locomotion Walking Both a & b None of these None 3. The function of ribs is to protect __________ Lungs Brain Stomach All of these None 4. _________ are used for biting and cutting food. Incisors Canines Premolar Molar None 5. When we inhale air, the lungs _______ Contract Expand Both a & b None of these None 6. Bone marrow helps to produce ______ Blood Water Carbon dioxide None of these None 7. During breathing air enters in our _______ Lungs Brain Stomach All of these None 8. When we exhale air, the lungs Contract Expand Both a & b None of these None 9. The function of skull is to protect __________ Lungs Brain Stomach All of these None 10. Lungs are surrounded by _______ Ribs Skull Brain None of these None 11. Tiger has large ____________ Incisors Canines Premolar Molar None 12. __________ are used for piercing and tearing food. Incisors Canines Premolar Molar None 13. The exchange of oxygen between blood and air takes place in the _______. Lungs Brain Stomach All of these None 14. There are ________ types of human teeth. 2 3 4 5 None 15. Tiger uses its ________ for piercing the prey. Incisors Canines Premolar Molar None Please fill in the comment box below. Time's up
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