Quiz about Matter Cycling and Photosynthesis

Question 1

What statement best describes the roles of photosynthesis & respiration in the carbon cycle?

Accepted Answer

Respiration adds carbon to the atmosphere while photosynthesis removes carbon from the atmosphere.

Answer

Respiration & photosynthesis both add carbon to the atmosphere.

Answer

Respiration & photosynthesis both remove carbon from the atmosphere.

Answer

Respiration removes carbon from the atmosphere while photosynthesis adds carbon to the atmosphere.

Question 2

Which is the correct formula for photosynthesis?

Accepted Answer

CO₂ + H₂O --(in sunlight)--> C₆H₁₂O₆ + O₂

Answer

sunlight + CO₂ + H₂O --> C₆H₁₂O₆ + O₂

Answer

C₆H₁₂O₆ + O₂--> (in sunlight) CO₂ + H₂O

Answer

CO₂ + H₂O --> C₆H₁₂O₆ + O₂+sunlight

Question 3

What gas do plants give off after conducting photosynthesis that humans/animals need in order to live?

Accepted Answer

Oxygen

Answer

Carbon

Answer

Nitrogen

Answer

Hydrogen

Question 4

If the plant population decreased, the amount of carbon in the atmosphere would _________.

Accepted Answer

Increase

Answer

Stay the same

Answer

Decrease

Question 5

What effect does deforestation have on the carbon cycle?

Accepted Answer

Increases carbon dioxide

Answer

Decreases carbon dioxide

Answer

Increases oxygen

Answer

decreases oxygen

Question 6

Which of the following processes takes CO₂ out of the atmosphere?

Accepted Answer

Photosynthesis

Answer

Respiration

Answer

Combustion

Answer

Decomposition

Question 7

The _____________ is an organelle inside a plant cell and is the actual site that photosynthesis takes place.

Accepted Answer

Chloroplast

Answer

Chlorophyll

Answer

Xylem

Answer

Phloem

Question 8

Which is not a REACTANT needed for producing food in a green plant?

Accepted Answer

Oxygen

Answer

Carbon dioxide

Answer

Water

Question 9

This substance in the leaf is responsible for absorbing the sun's energy and also reflects green light waves.

Accepted Answer

Chlorophyll

Answer

Cell wall

Answer

Chloroplast

Answer

Nucleus

Question 10

The stoma on the underside of the leaf allows_______to move in and out of the leaf.

Accepted Answer

Gases

Answer

Water

Answer

Nutrients

Answer

Soil

Question 11

Which of the following is not a PRODUCT of photosynthesis?

Accepted Answer

Carbon dioxide

Answer

Glucose

Answer

Oxygen

Question 12

During Photosynthesis, radiant(light) energy from the Sun is transformed into ____________ energy which is stored or used by the plant.

Accepted Answer

Chemical

Answer

Natural

Answer

Nuclear

Answer

Thermal

Question 13

What are the 3 key ingredients needed for photosynthesis

Accepted Answer

sunlight, water, carbon dioxide

Answer

glucose, oxygen, carbon dioxide

Answer

carbon dioxide, water, glucose

Answer

water, soil, sunlight

Question 14

The class decided to have a terrarium. The teacher says it is important to include both plants and animals. Why is it necessary to include both plants and animals?

Accepted Answer

plants provide oxygen for animals and the animals provide carbon dioxide for the plants

Answer

plants provide food for the animals and animals provide water for the plants

Answer

plants provide water for the animals and animals provide food for the plants

Answer

plants provide carbon dioxide for the animals and animals provide oxygen for the plants

Question 15

Matter Cycling and Photosynthesis

Accepted Answer

A) The process by which plants convert carbon dioxide and water into glucose and oxygen using sunlight.

Answer

B) The cycle of nitrogen through the atmosphere, soil, and living organisms.

Answer

C) The process of water evaporation and precipitation in the environment.

Answer

D) The breakdown of glucose into carbon dioxide and water in the presence of oxygen.

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