lecture 7 photosynthesis

What is the name given to organisms that can make their own food and thus sustain themselves without consuming organic molecules derived from other organisms?

• autotrophs

• chemotrophs

• heterotrophs

• synthesizers

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-5

In most green plants, chloroplasts are

• concentrated in a portion of the leaf called the stroma.

• evenly distributed throughout the leaf tissue.

• concentrated in a zone of leaf tissue called the mesophyll.

• evenly distributed throughout the entire plant.

Thylakoids are arranged in stacks called

• cristae.

• stomata.

• grana.

• vacuoles.

If you expose a photosynthesizing plant to water that contains both radioactive H and radioactive O, in which of the products of photosynthesis will the radioactive H and O show up?

• H in water; O in glucose

• H in glucose and water; O in O2

• H in glucose; O in water

• H and O both in glucose

Tags

NGSS.HS-LS1-6

The light reactions occur in the ________, while the Calvin cycle occurs in the ________.

• thylakoid membranes; stroma

• cytoplasm; thylakoid membrane

• stroma; thylakoid membranes

• stroma; nucleus

Tags

NGSS.HS-LS1-5

We exist because plants produce (a)   matter.

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-5

NGSS.HS-LS1-6

What kind of inorganic matter does photosynthesis need to start working? What are its substrates?

• Glucose and oxygen

• Carbon dioxide and water
• Oxygen and hydrogen

• Sodium and potassium

Tags

NGSS.MS-LS1-6

What are organisms that produce their own organic matter?

• Autotrophs

• Heterotrophs

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-5

NGSS.HS-LS1-6

Herbivores, carnivores, and other organisms that consume decomposed organic material are called ______.

• Autotrophs

• Heterotrophs

Tags

NGSS.MS-LS2-2

What specific eating group do plants belong to?

• Autotrophs

• Heterotrophs

• Photoautotrophs

• Synthesizers

Tags

NGSS.HS-LS2-5