VII CLASS QUIZ

Stomach release gastric juice and___

• Bile juice

• HCl

• CO2

• O2

Absorption of food by____

• Stomach

• Buccal cavity

• Small intestine

• Large intestine

How do produce plants their food___

• Digestion

• Egestion

• Respiration

• Photosynthesis

Which is acid____

• Vinegar

• Lime water

• Soap water

• Window cleaner

When an ant bite it injects the ____

• Calcium oxide

• Formic acid

• HCl

• Citric acid

Bases turned litmus paper into___

• Red to blue

• Blue to red

• Red to green

• Green to white

Melting of ice is_____

• Chemical change

• Physical change

• Both

• None

2Mg+O2--------)

• Mg

• O2

• 2MgO

Motion of your hand while running_____

• Circular

• Oscillatory

• Straight line

• None

The basic unit of speed is

• Km/min

• m/min

• m/s

• Km/h