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Photosynthesis national 5

Total questions: 23

Worksheet time: 60secs

Name
Class
Date
1.

in photosynthesis, what gas is a raw material

a)

oxygen

b)

carbon dioxide

c)

nitrogen

d)

hydrogen

2.

In photosynthesis, what gas is a waste product

a)

Oxygen

b)

Carbon dioxide

c)

nitrogen

d)

Nitrous oxide

3.

In photosynthesis, what is the energy source

a)

sun light

b)

The moon

c)

glucose

d)

heat

4.

In photosynthesis, which of the following is a raw material

a)

water

b)

glucose

c)

oxygen

d)

light

5.

why a green leaves green?

a)

Because they contain chlorophyll

b)

Because they contain chlorine

c)

Because they contain bromine

d)

Because they contain bromoplasts

6.

In photosynthesis, what sugar is produced

a)

Glucose

b)

Fructose

c)

Lactose

d)

Galactose

7.

In the leaf, what pigment traps light energy

a)

chlorophyll

b)

bromophyll

c)

lithophyll

d)

carbophyll

8.

Plants can store glucose as

a)

starch

b)

cellulose

c)

glycogen

d)

sucrose

9.

In plants glucose is used

a)

for the cell wall

b)

to store their food

c)

for energy to grow and repair

d)

to taste sweet for bees

10.

When we talk to plants we are providing

a)

oxygen

b)

carbon dioxide

c)

a soothing tone

d)

warmth

11.

Plants photosynthesise

a)

to make them sweet for bees

b)

to make their fruit sweet

c)

to make their own food

d)

because we made them that way

12.

Which of the following conditions would produce crops earlier

a)

carbon dioxide

b)

Light shades

c)

air conditioning

d)

extra oxygen

13.

Other than temperature which of the following are limiting factors in photosynthesis

a)

carbon dioxide concentration & light intensity

b)

Oxygen concentration & light intensity

c)

carbon dioxide concentration & Glucose

d)

Nitrogen concentration & light intensity

14.

Glucose is used for

a)

storage of food

b)

energy for growth and repair

c)

the cell wall

d)

making the plant taste sweet

15.

Plants store glucose as

a)

starch

b)

glycogen

c)

cellulose

d)

sucrose

16.

which of the following is a fate of glucose

a)

used to make cellulose for the cell wall

b)

Used to make the cell membrane

c)

Used to make DNA

d)

Used for protein synthesis

17.

Stage one of photosynthesis is called

a)

photolysis

b)

photosplit

c)

carbon fixation

d)

calvin cycle

18.

stage two of photosynthesis is called

a)

photolysis

b)

water spliting

c)

carbon fixation

d)

photofixation

19.

stage two of photosynthesis

a)

is an enzymatic process

b)

uses light as an energy source

c)

used to spit water

d)

makes sucrose

20.

stage two of photosynthesis can be limited by

a)

temperature & carbon dioxide concentration

b)

temperature & glucose

c)

carbon dioxide and oxygen concentration

d)

carbon dioxide concentration and light intensity

21.

where does photosynthesis occur

a)

chloroplast

b)

chlorophyll

c)

chloroplasm

d)

chlorodrian

22.

what is the waste product of stage 1 of photosynthesis

a)

oxygen

b)

carbon dioxide

c)

hydrogen

d)

water

23.

The three limiting factors of photosynthesis are

a)

temperature, carbon dioxide and light

b)

temperature, carbon dioxide concentration and light intensity

c)

glucose, oxygen and temperature

d)

carbon dioxide concentration, light intensity and oxygen