8/17/2019 Teeth Test

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End of month test March

 Name: __________________________ Grade:_____ Date:___________ 

1. What causes tooth decay by damaging the enamel?

a) Abrasive food scratches

 b) Acids from sugars dissolve itc) Alaline foods dissolve calcium salts

d) !acteria from food digests it.

". What is the hardest #art of the tooth?a) Dentine

 b) !one

c) $ementd) %namel

&. 'oughage hel#s:

a) Assimilation

 b) Deaminationc) (etabolism

d) eristalsis

*. +f the bile duct became bloced, -hat -ould suffer the most?a) Amino acid absor#tion

 b) Glucose absor#tion

c) at digestiond) rotein digestion

/. What is the end #roduct of the digestion of #rotein?

a) Amino acids b) atty acids

c) Glycerol

d) Glucose0. he breaing do-n of amino acids to form urea is called:

a) Assimilation

 b) Deamination

c) Decom#ositiond) %gestion

2. What is the main #ur#ose of the villi folds

a) o hel# move food through the gut b) o slo- do-n the movement of food in the gut

c) o hel# -ith the egestion of feaces

d) o increase the surface area for absor#tion

3. What maes u# the bul of feaces?a) !ile

 b) $arbohydrates

c) roteind) 4tarch

5. he action of #ancreatic 6uice on food leaving the stomach is to hel#:

a) (ae the food acidic b) (ae the food alaline

c) %mulsify fats

d) 4timulate #eristalsis17. hotosynthesis in #lants is an e8am#le of:

A. %8cretion!. +rritability

$. NutritionD. 'e#roduction

4ection !

11. 9se the -ords in bracets to label the tooth anatomy belo- Bone, Crown,

Dentin, Enamel, Gum, Pulp, Root, Nerves and blood vessels) (8

mars)

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 b) Give one function of the #arts labeled above:

A______________________________________ !________________________________________ 

$________________________________________ 

; ________________________________________ * mars)

1". Describe three -ays you can ee# teeth healthy, explaining the #ur#ose of your action

0mars)1&. Define the follo-ing terms:

a) +ngestion (1mark) b) Digestion (2mark)

c) %8cretion (2mark d) %gestion (2mark)

14.  a) Name three substances #roduced by the stomach -all (3marks)(b) Give one function of any t-o of the substances named in (a) above (2marks)

A

B

C

D

E

F

H

G