Science
7th Grade
NGSS covered
Used 14+ times
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44 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which statement best describes the main role of the digestive system?
Pump oxygen-rich blood through the body
Break food into nutrients and absorb them
Protect against pathogens using white cells
Exchange gases between lungs and blood
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which pair correctly names the two types of digestion?
Aerobic and anaerobic digestion
Voluntary and involuntary digestion
Electrical and thermal digestion
Mechanical and chemical digestion
Tags
NGSS.MS-LS1-7
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which example shows mechanical digestion happening?
Bile emulsifying dietary fats
Teeth chewing a piece of bread
Saliva enzymes dissolving starch
Stomach acid denaturing proteins
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which example shows chemical digestion happening?
Esophagus squeezing food downward
Stomach churning to mix contents
Tongue pushing food while swallowing
Salivary enzymes breaking down starch
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which organ is the tube that moves food from mouth to stomach?
Trachea moves air to the lungs
Large intestine stores feces temporarily
Pancreas releases insulin to blood
Esophagus carries food to stomach
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which organ is primarily responsible for most nutrient absorption?
Liver detoxifies and makes bile
Small intestine absorbs nutrients
Large intestine absorbs water
Stomach stores and churns food
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main job of the large intestine?
Absorb water and compact waste
Release digestive enzymes to saliva
Chemically digest most nutrients
Pump chyme into the esophagus
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