1. W. McConnell 2004 Kinross High School ANIMAL SURVIVAL (a) The Need For Food

2. W. McConnell 2004 Kinross High School ANIMAL SURVIVAL (a) The Need For Food

3. W. McConnell 2004 Kinross High School ANIMAL SURVIVAL (a) The Need For Food

4. W. McConnell 2004 Kinross High School 1. What are the 3 main food groups? Carbohydrate Fat Protein

5. W. McConnell 2004 Kinross High School 2. Name the simplest form of each food group. Carbohydrate - ? Fat - ? Protein - ? glucose Fatty acids + glycerol amino acids

6. W. McConnell 2004 Kinross High School 3. Which elements do each food group contain? Carbohydrate - ? Fat - ? Protein - ? Carbon, hydrogen, oxygen. Carbon, hydrogen, oxygen, nitrogen.

7. W. McConnell 2004 Kinross High School 4. Digestion is the process of breaking down ……… ……… particles into ……… ……… particles, so that they can be ………… through the gut wall into the ……… largeinsoluble soluble small absorbed blood

8. W. McConnell 2004 Kinross High School 5. Name the reagent used to test for: starch - ? glucose - ? iodine benedicts reagent

9. W. McConnell 2004 Kinross High School 6. What is the test for: starch - ? glucose - ? Add iodine to the substance being tested. If a blue-black colour appears, starch is present. Add benedicts reagent to the liquid being tested and boil for 3 minutes. If a brick red colour appears, glucose is present.

10. W. McConnell 2004 Kinross High School 7. Complete the table below to show what a carnivore and a herbivore use their different teeth for when eating. chop grass chew grass stab + hold prey crush bones

11. W. McConnell 2004 Kinross High School 8. Name the process by which food is moved along the gut. Peristalsis

12. W. McConnell 2004 Kinross High School 9. Arrange the following parts of the alimentary canal in the correct order beginning with the mouth. Anus, Gullet, Large intestine, Mouth, Rectum, Small intestine, Stomach.

13. W. McConnell 2004 Kinross High School 9. Arrange the following parts of the alimentary canal in the correct order beginning with the mouth. MouthGulletStomach Small Intestine Large intestineRectumAnus

14. W. McConnell 2004 Kinross High School 10. What is peristalsis? An involuntary wave of contraction preceded by a wave of relaxation in the muscles of the gut wall.

15. W. McConnell 2004 Kinross High School 11. How is the small intestine is adapted for efficient absorption of digested food. It is long Its inner surface is folded Its walls are very thin

16. W. McConnell 2004 Kinross High School 12. Name the finger-like projections in the wall of the small intestine. Villi

17. W. McConnell 2004 Kinross High School 14. Which enzymes break down the following foods?. Starch - Protein - Fat - amylase pepsin lipase

18. W. McConnell 2004 Kinross High School 15. Which part of the villus absorbs the food groups shown below? capillary lacteal capillary

19. W. McConnell 2004 Kinross High School 16. Which blood vessel carries blood rich in food products away from the gut? Hepatic Portal Vein

20. W. McConnell 2004 Kinross High School 17. Where does the Hepatic Portal Vein carry the blood to? The liver

21. W. McConnell 2004 Kinross High School 18. What happens to the undigested waste in the large intestine before it moves on to the rectum? Water is removed from it

22. W. McConnell 2004 Kinross High School 19. Complete the following table showing the digestive action of these enzymes. amylase lipase peptide protein maltose fat

23. W. McConnell 2004 Kinross High School 20. Decide if the following statements are true or false…. Human teeth are specialised to cope with a varied diet Sheep have no canines in the upper jaw Sheep’s molars have rounded surfaces for grinding grass Dogs have a rough pad on the upper jaw to remove flesh from bones A dog’s canines are long and pointed for piercing and gripping true false

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