Lecture Ch 9.1-9.2

Lecture Ch 9.1-9.2

Photosynthesis

Multiple Choice

Which is NOT a characteristic of all living organisms?

• they can reproduce

• they contain DNA or RNA

• they are made of cells

• they need energy to survive

• all of these are characteristics

Multiple Choice

Starch is a complex carbohydrate made of long chains of glucose molecules.

• True

• False

Multiple Choice

Do you think the overall process of photosynthesis is one that gives off energy or requires energy?

• Gives off energy

• Requires energy

Multiple Choice

Enzymes involved in photosynthesis can help reactions occur at a faster rate by lowering the energy needed to get the reaction started.

• True

• False

Multiple Choice

What are the two products of photosynthesis?

• carbohydrates and oxygen

• carbon dioxide and water

• light and carbon dioxide

• light and water

Multiple Choice

Consumers are ultimately dependent on sunlight for their survival.

• True

• False

Multiple Choice

Approximately 90% of the energy from one trophic level is passed to the next level.

• True

• False

Multiple Choice

What is the name of the process where plants take in water, use some, and release the rest in to the atmosphere?

• evaporation

• transpiration

• respiration

• transportation

Multiple Choice

What is the major role that plants have in the carbon cycle?

• taking CO₂ from the atmosphere and making carbohydrates

• releasing oxygen in to the atmosphere

• taking carbon from the soil and making glucose

• they aren't involved in the carbon cycle

Multiple Choice

Plant cells have chloroplasts that make energy so they don't need mitochondria.

• True

• False

Multiple Choice

Which is NOT a component of ATP?

• adenine

• ribose sugar

• phosphate groups

• water

Multiple Choice

What group in ATP is continually removed and then added back when a cell uses and then stores energy.

• ribose group

• adenosine group

• carbon group

• phosphate group

Multiple Choice

ATP is a really stable molecule and used for storing energy in the cell.

• True

• False

Multiple Choice

Another name for a producer is heterotroph.

• True

• False

Multiple Choice

Plants mainly absorb light in the green and yellow spectrum.

• True

• False

Multiple Choice

Carotenoids in a plant are pigments that primarily absorb light in the violet and blue range of the spectrum.

• True

• False

Multiple Choice

What is the main reason why leaves appear red in the fall?

• the chlorophyll disappears

• the carotenoids appear

• the pigments change to absorb red light

• chlorophyll appears

Multiple Choice

What are the stacks of thylakoids called in a chloroplast?

• stroma

• granum

• ER

• ribosome

Multiple Choice

What compound helps move high energy electrons during photosynthesis?

• NADP

• chlorophyll

• water

• carbon dioxide

Multiple Choice

Water is reduced to oxygen gas during the light-dependent reaction.

• True

• False

Multiple Choice

The light dependent reactions take place in the thylakoid membranes.

• True

• False

Multiple Choice

The energy to fuel the light independent reactions (aka Calvin cycle) comes from NADPH and ATP produced in the thylakoids.

• True

• False

Multiple Choice

The light independent reaction uses the carbon dioxide to produce carbohydrates.

• True

• False