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Unit 2 Review

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

Roots grow downward due to _______________

a)

positive phototropism.

b)

positive gravitropism/geotropism.

c)

thigmotropism.

d)

positive hydrotropism.

e)

photosynthesis.

2.

Hydrotropism is a response to __________________

a)

light.

b)

sound.

c)

water.

d)

touch.

3.

An example of imprinting is ___________________

a)

a dog barking

b)

a cat meowing

c)

a turtle laying her eggs where she was born.

d)

dog opening a door.

4.

A child learning to tie his shoes after many tries is an example of _____________

a)

trial and error.

b)

imprinting.

c)

conditioning

d)

cognitive behavior

5.

The photo of the plant illustrates a low ________



a)

phototropism.

b)

turgor pressure.

c)

wilting power

d)

photosynthesis

6.

George has a quarter pounder with cheese for lunch; which of the following is chemical digestion.

a)

George bites the quarter pounder in half

b)

George removes the bun and only eats the patty

c)

chemical changes happen as pepsin breaks down food molecules into smaller molecules.

d)

George decides to eat a sandwich.

7.

Physical changes happen in the stomach as the stomach muscles break up pieces of food.

a)

True

b)

False

c)

Sometimes

d)

Never

8.

Only physical changes happen in the stomach as food is mixed and broken down.

a)

True

b)

False

c)

Sometimes

d)

Never

9.

Chemical changes happen in the stomach as the stomach muscles break up pieces of food

a)

True

b)

False

c)

Always

d)

Never

10.

Mechanical digestion happens in the mouth as you chew and grind up food with your teeth and tongue.

a)

True

b)

False

11.

Mechanical digestion changes food molecules into different kinds of molecules.

a)

True

b)

False

12.

A physical change happens when

a)

a big mac is cut into 4 pieces.

b)

A big mac is burned in a fireplace.

c)

Stomach acid added to a piece of Big Mac turns into a white cloudy substance.

d)

George eats the fries.

13.

Both mechanical and physical digestion takes place in the stomach.

a)

Yes

b)

No

c)

maybe so

d)

I told you so

14.

Photosynthesis converts light energy into _______________ energy

a)

sound

b)

solar

c)

thermal

d)

chemical

15.

In digestion, chemical energy and _______________ energy are involved.

a)

radiant

b)

solar

c)

thermal

d)

nuclear

16.

A donkey is pulling a sled, which of the following energy transformations occurs in the body of the donkey.

a)

Nuclear energy to mechanical energy

b)

Chemical energy to mechanical energy

c)

Donkey power energy to thermal energy

d)

Electric energy to Donkey energy.

17.

Mr. Wafer and Mr. Garza have a birthday this week. Mr. K is going to play "Happy Birthday to You" on his Guitar. Which energy transformation is occurring in Mr. K's body when he is playing his guitar.

a)

Sound energy to nuclear energy.

b)

Chemical energy to kinetic energy.

c)

electric energy to sound energy.

d)

Big Mac Energy to Sound Energy.

18.

In France a Quarter Pounder with cheese is called a Royale with Cheese. Also, the French use pork rather than beef as the meat source. Mr. K will go home by riding his bike. Which is the correct transformation of energy.

a)

Nuclear energy to Mechanical energy.

b)

Mcdonald's energy to kinetic energy.

c)

Chemical energy to kinetic energy.

d)

Sound energy to thermal energy.

19.

The body's regulation of temperature is an example of______

a)

fight or flight.

b)

homeostasis.

c)

imprinting.

d)

conditioning.

20.

In general, plants with a high turgor pressure have larger vacuoles than those with lower turgor pressure.

a)

True

b)

False