Science Objective Type Questions (Series – 7)
Q. 1. What is the name of respiratory organs in grasshopper? (a). Lungs (b). Gills (c). Skin (d). Trachea Q. 2. Food is absorbed in (a). Stomach (b). Oesophagus (c). Small intestine (d). Anus Q. 3. The number of digestive glands found in human are (a). One pair (b). Three pairs (c). Six pairs (d). Seven pairs Q. 4. A preservative gas is (a). Co 2 (b). SO 2 (c). HCl (d). None Q. 5. The cheapest acid is (a). HCl (b). HNO 3 (c). H 2 SO 4 (d). None Q. 6. The most commonly used metal is (a). Gold (b). Copper (c). Iron (d). Silver Q. 7. The number of metals which are found in nature is (a). 20 (b). 112 (c). 70 (d). 118 Q. 8. The rate of respiration in plants as compared with animals is (a). More (b). Equal (c). Higher (d). Smaller Q. 9. What is the length of alimentary canal of human? (a). 3m (b). 6m (c). 4m (d). 9m Q. 10. From where digestion of protein starts?