Quiz about Cycling of Matter

Question 1

Green plants and algae make their own food through photosynthesis. What is photosynthesis?

Accepted Answer

a cell process that uses energy from sunlight to convert water and carbon dioxide into food

Answer

a cell process that uses energy from sunlight to convert water and oxygen into food

Answer

a cell process that uses energy from sunlight to convert water and glucose into food

Answer

a cell process that uses energy from sunlight to convert water and chlorophyll into food

Question 2

Plant cells contain a green pigment called chlorophyll. Chlorophyll has a role in the process of photosynthesis. What does chlorophyll do?

Accepted Answer

absorbs light energy from the sun

Answer

produces glucose from oxygen

Answer

produces oxygen from glucose

Answer

absorbs glucose from the plant

Question 3

What is the function of the mitochondria?

Accepted Answer

To supply energy for the cell via cellular respiration

Answer

To protect the nucleus

Answer

To digest food

Answer

To carry out photosynthesis

Question 4

What is the function of the chloroplast?

Accepted Answer

To carry out photosynthesis

Answer

To protect the nucleus

Answer

To supply energy for the cell via cellular respiration

Answer

To digest food

Question 5

The ______________ is the cellular organelle that converts glucose into ATP, a chemical form of energy the cell can use.

Accepted Answer

Mitochondria

Answer

Chloroplast

Answer

Chlorophyll

Answer

Nucleus

Question 6

Which of the following is the chemical equation for cellular respiration?

Accepted Answer

Option B is correct

Answer

A.

Question 7

Which of the following is the chemical equation for photosynthesis?

Accepted Answer

Option A is correct

Answer

B.

Question 8

What is/are converted into glucose and oxygen in the process of photosynthesis?

Accepted Answer

carbon dioxide, water, and light energy

Answer

water only

Answer

light energy only

Answer

carbon dioxide and light energy only

Question 9

The process of photosynthesis converts _____ energy into _____ energy.

Accepted Answer

light, chemical

Answer

chemical, light

Answer

mechanical, thermal

Answer

thermal, mechanical

Question 10

Which is the MOST accurate description about how green plants and animals get food?

Accepted Answer

Green plants get food by making it, while animals ingest it.

Answer

Both green plants and animals get food by making it.

Answer

Both green plants and animals get food by ingesting it.

Answer

Green plants get food by ingesting it, while animals make it.

Question 11

Which component is missing from the chemical equation for photosynthesis?carbon dioxide + water + light energy --> ? + oxygen

Accepted Answer

glucose

Answer

hydrogen

Answer

chlorophyll

Answer

light energy

Question 12

In which cell structure does MOST of the process of cellular respiration take place?

Accepted Answer

mitochondria

Answer

nucleus

Answer

vacuole

Answer

cell wall

Question 13

What is the primary source of chemical energy for a cell?

Accepted Answer

ATP

Answer

ADP

Answer

DNA

Answer

RNA

Question 14

What is the chemical equation for aerobic respiration?

Accepted Answer

glucose + oxygen --> carbon dioxide + water + energy

Answer

carbon dioxide + water --> glucose + oxygen + energy

Answer

carbon dioxide + water + energy --> glucose + oxygen

Answer

glucose + oxygen + energy --> carbon dioxide + water

Question 15

Can organisms absorb nitrogen gas directly out of the atmosphere?

Accepted Answer

No

Answer

Yes

Question 16

_______________________ converts nitrogen into a form that plants can absorb.

Accepted Answer

Nitrogen fixing bacteria

Answer

Denitrifying bacteria

Answer

Decomposers

Question 17

How do animals obtain nitrogen stored in plants?

Accepted Answer

They eat the plants

Answer

Denitrifying bacteria

Answer

Nitrogen fixing bacteria

Answer

Directly from the atmosphere

Question 18

Which of the following cycles lacks a gas phase? This means that the element does not exist in a gas phase.

Accepted Answer

phosphorous

Answer

carbon

Answer

nitrogen

Answer

none of the above

Question 19

Which of the following processes play a major role in the carbon dioxide-oxygen cycle? Mark all that apply.

Accepted Answer

photosynthesis

Accepted Answer

cellular respiration

Accepted Answer

decomposition

Answer

nitrogen fixation

Question 20

Which of the following is the law of conservation of mass and energy?

Accepted Answer

Mass and energy are never created or destroyed, just changes forms

Answer

All of the activities carried out by a cell

Answer

Process in which oxygen is chemically combined with food molecules in the cell to release energy

Answer

none of these

Question 21

Why can plant and animal cells both do cellular respiration?

Accepted Answer

they both have mitochondria

Answer

they both have chloroplast

Answer

they both have cell membrane

Answer

they both have nucleus

Question 22

Which of the following organelles is where photosynthesis takes place?

Accepted Answer

Chloroplast, F

Answer

Vacuole, A

Answer

Nucleus, D

Answer

Mitochondria, E

Question 23

Which of the following organelles is where cellular respiration takes place?

Accepted Answer

Mitochondria, E

Answer

Chloroplast, F

Answer

Vacuole, A

Answer

Nucleus, D

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