w. mcconnell 2004 kinross high school animal survival (a) the need for food
TRANSCRIPT
W. McConnell 2004 Kinross High School
1. What are the 3 main food groups?
• Carbohydrate
• Fat
• Protein
W. McConnell 2004 Kinross High School
2. Name the simplest form of each food group.
• Carbohydrate - ?
• Fat - ?
• Protein - ?
glucose
Fatty acids + glycerol
amino acids
W. McConnell 2004 Kinross High School
3. Which elements do each food group contain?
Carbohydrate - ?
Fat - ?
Protein - ?
Carbon, hydrogen, oxygen.
Carbon, hydrogen, oxygen.
Carbon, hydrogen, oxygen, nitrogen.
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
………
large insoluble
soluble
small
absorbedblood
W. McConnell 2004 Kinross High School
5. Name the reagent used to test for:
• starch - ?
• glucose - ?
iodinebenedicts reagent
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.
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.
Type of
tooth
Function in
dogs
Function in
sheep
Incisor pull flesh off bones
Canine chop grass
Premolar +
Molar
chop grass
chew grass
stab + hold prey
crush bones
W. McConnell 2004 Kinross High School
8. Name the process by which food is moved along the gut.
Peristalsis
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.
W. McConnell 2004 Kinross High School
9. Arrange the following parts of the alimentary canal in the correct order beginning with the mouth.
Mouth Gullet Stomach
Small Intestine
Large intestineRectumAnus
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.
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
W. McConnell 2004 Kinross High School
12. Name the finger-like projections in the wall of the small intestine.
Villi
W. McConnell 2004 Kinross High School
14. Which enzymes break down the following foods?.
• Starch -
• Protein -
• Fat -
amylase pepsin
lipase
W. McConnell 2004 Kinross High School
15. Which part of the villus absorbs the food groups shown below?
FoodPart of villus
which absorbs it
glucose
fatty acids and glycerol
amino acids
capillary
lacteal
capillary
W. McConnell 2004 Kinross High School
16.Which blood vessel carries blood rich in food products away from the gut?
Hepatic Portal Vein
W. McConnell 2004 Kinross High School
17.Where does the Hepatic Portal Vein carry the blood to?
The liver
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
W. McConnell 2004 Kinross High School
19. Complete the following table showing the digestive action of these enzymes.
Enzyme Substrate End-Product
starch
pepsin
fatty ac ids &
glycerol
amylase
lipase
peptideprotein
maltose
fat
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
true
false
false
false
W. McConnell 2004 Kinross High School
This is the end of the Animal Survival revision questions on ‘The Need for Food’
If you did not get then all correct, revise your notes then try again!