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Class VII Science Talent Test
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Class VII Science Talent Test
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25 Questions

1. The process of breakdown of food in the cell is called __________.
2. In insects, the exchange of gases takes place through
3. Breathing rate is defined as number of times a person breathes in a ___________.
4. Gills are well supplied with___________for gaseous exchange
5. Gills help fishes to dissolve ___________ in water
6. Some naturally occurring indicators are
7. Land breeze blows in coastal regions during
8. The root cells also need__________to generate energy
9. In the process of inhalation and exhalation about________of air is breathed in and out
10. Dark coloured clothes are preferred during
11. Lactic acid is found in
12. Handles of cooking utensils should be made of material that
13. In liquids heat is transferred
14. Oxalic acid is found in
15. A wooden spoon is dipped in a cup of icecream. Its other end
16. The total area for gas exchange provided by our 300 million alveoli in two lungs is
17. The most commonly used natural indicator’ Litmus’ is extracted from
18. Glucose breaks down into ___________.
19. Mussels respire through their
20. The voice box is called
21. Though frogs have a pair of lungs they can also breathe through their
22. Stainless steel pans are provided with copper bottom because
23. Normal temperature of human body is
24. Birds breathe through
25. The accumulation of ______ acid causes muscle cramps.

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