1. The green- coloured in plants is because the presence of a green-coloured pigment called -----. 2. The food synthesized in plants are transported to all parts the plant through a network of tubes called ----. 3. is the example of partial parasites. The organisms that derive their nutrition from dead and decaying animals and plants 4. are known as ------. bacteria converts atmospheric -------- nitrogen to nitrates. Canines are used to cutting and 6. the food. 7. The three parts of the small intestine are known as the and ------ .-------- ---------. 8. The bile juice secreated by liver is temporarily stored in a sac-like organ known as ---- 9. Intestinal juices secreated by small intestine completely digest carbohydrates to-- --,proteins into -----, and fats into ----. 10. The process of chewing the food second time in the mouth is known as ------. 11. What is neutralization reaction ? 12. The other name for milk of magnesia is ---. 13. Give two examples of strong and weak acid. 14. Write any two uses of sodium hydroxide. 15. The solid form of calcium hydroxide is called-- .
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Answer:
1. chlorophyll 2.stomata 3. humus
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Answer: (Class 7 level)
1. Chlorophyll
2. Phloem
3. Fungi (non-green plants)
4. Rhizobium, Nitrogen-fixing
6. Tearing
7. duodenum, jejunum, ileum
8. Gallbladder
9. Proteins break into amino acids
Fats break into fatty acids and glycerol
Carbohydrates break into simple sugars
10. Mastication
11. A chemical reaction in which an acid and base quantitatively react together to form a salt and water as products.
12. Magnesium hydroxide
13. Strong acids : Hydrochloric acid, Nitric acid
Weak acids : Acetic acid, citric acid
14. Bar soaps and detergents
15. Slaked lime
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