Quiz about Factors affecting rate of photosynthesis

Question 1

When it is chilly and raining outside, there is no photosynthesis taking place. What is the limiting factor?

Accepted Answer

Temperature

Answer

Rainfall

Answer

Carbon Dioxide

Question 2

What is a limiting factor?

Accepted Answer

The factor that limits the reaction rate

Answer

The factor which increases the rate of a reaction

Answer

The factor that limits the rate at which an enzyme is destroyed

Question 3

Which of these will not affect photosynthesis?

Accepted Answer

Glucose Availability

Answer

Light

Answer

Temperature

Answer

Carbon Dioxide

Question 4

If a plant receives more carbon dioxide, what happens to the rate of photosynthesis?

Accepted Answer

Increases

Answer

Decreases

Answer

Stays the same

Question 5

Which of the following would have affect the rate of photosynthesis?

Accepted Answer

all of these

Answer

amount of water

Answer

carbon dioxide concentration

Answer

temperature

Question 6

Which lettered graph represents the affect of light intensity on photosynthetic rate?

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Question 7

What is the correct equation for photosynthesis?

Accepted Answer

Carbon Dioxide + Water + Light --> Glucose + Oxygen

Answer

Light + Carbon Dioxide --> Water + Glucose + Oxygen

Answer

Carbon Dioxide + Glucose + Light --> Water + Oxygen

Question 8

Look at the diagram. Which gas would most likely be found in the greatest amount in the bubbles?

Accepted Answer

oxygen

Answer

nitrogen

Answer

ozone

Answer

carbon dioxide

Question 9

Which lettered graph represents the effect of temperature on photosynthetic rate?

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 10

The leaves of plants contain a green pigment which absorbs light for photosynthesis. What is this pigment?

Accepted Answer

Chlorophyll

Answer

Xylem

Answer

Leaf

Answer

Stomata

Question 11

On this photosynthesis practical, bubbles of gas are produced.  What is this gas?

Accepted Answer

Oxygen

Answer

Carbon dioxide

Answer

Hydrogen

Answer

Chlorine

Question 12

What will happen to the photosynthesis rate if you increase the intensity of light?

Accepted Answer

Photosynthesis rate will increase.

Answer

Photosynthesis rate will decrease.

Answer

Photosynthesis rate will remain the same.

Answer

Photosynthesis will stop.

Question 13

Glucose (sugar) is also produced during photosynthesis. What do plants use glucose for?

Accepted Answer

Supports plant growth and development.

Answer

Source of energy.

Answer

Keeps plants warm.

Answer

Prevents plants from dying.

Question 14

How is the leaf adapted to do photosynthesis?

Accepted Answer

All of the descriptions above are true.

Answer

The leaf's upper layer is thin and transparent to allow light to pass through.

Answer

The leaf's palisade layer has the most chloroplast to absorb the maximum amount of light possible.

Answer

The leaf's lower layer has many stomata to allow gases to diffuse.

Question 15

Foods synthesized in the process of Photosynthesis by plants is stored as

Accepted Answer

Starch

Answer

Protein

Answer

Vitamins

Answer

Fats

Question 16

Where in a plant cell does photosynthesis take place

Accepted Answer

Chloroplasts

Answer

Palisade cells

Answer

Chlorophyll

Answer

Vacuole

Question 17

What is the purpose of photosynthesis?

Accepted Answer

To create glucose

Answer

To release energy

Answer

To grow

Answer

To get oxygen for respiration

Question 18

Which of these is the correct equation for photosynthesis?

Accepted Answer

6CO₂ + 12H₂O --> C₆H₁₂O₆ + 6H₂O + 6O₂

Answer

6O₂ + C₆H₁₂O₆--> 6CO₂ + 6H₂O

Answer

6O_{2 +}6CO_{2 -->}C₆H₁₂O_{6 +}6H₂O

Answer

6CO₂ + 6H₂O --> O₂ + C₆H₁₂O₆

Question 19

What protects Stomata and helps it in opening and closing?

Accepted Answer

Guard Cells

Answer

Leaf

Answer

Stem

Answer

Carbon Dioxide

Question 20

Identify what is shown in the picture

Accepted Answer

stomata

Answer

chlorophyll

Answer

carbon dioxide

Answer

veins

Question 21

The main source of energy for all life comes from ____.

Accepted Answer

the sun

Answer

the Earth

Answer

the moon

Answer

the food we eat/make

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