Biology I H Photosynthesis Exam 7th Hour

What is the primary function of the light reactions of photosynthesis?

• To produce glucose
• To produce NADPH and ATP
• To use ATP
• To produce RuBP

Tags

NGSS.HS-LS1-5

What is the function of NADP+?

• It absorbs light
• It is an electron carrier
• It is a light-reflecting pigment
• It acts as long-term energy storage

Which of the following molecules is not needed for the Calvin Cycle?

• CO₂
• ATP
• NADPH
• H₂O

Most plants appear green because chlorophyll

• absorbs green light.

• absorbs violet light.

• does not absorb green light.

• does not absorb violet light.

The light dependent reactions occur in the ________ and the light independent reactions take place in the ________.

• chloroplast / thylakoid membrane

• stroma / thylakoid membrane

• mesophyl / stomata

• thylakoid membrane / stroma

Where does the carbon come from that is used to form glucose?

• The soil
• CO₂ in the air
• From other carbohydrates
• Calvin Cycle

Tags

NGSS.HS-LS2-5

NGSS.HS-ESS2-6

When oxygen is released as a result of photosynthesis, it is a direct by-product of

• reducing NADP+
• splitting water molecules
• chemiosmosis
• electron transfer in photosystem II and I

What is the primary function of the Calvin cycle?

• regenerate ATP for use in the light reactions of photosynthesis
• produce carbon dioxide for use in the light reactions of photosynthesis
• produce oxygen by oxidizing water
• produce simple sugars from carbon dioxide

Tags

NGSS.HS-LS2-5

The H+ concentration gradient is used to 

• make NADPH
• split a water molecule
• generate ATP
• form water

Tags

NGSS.HS-LS1-7

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

• the Earth
• the moon
• the sun
• the food we eat/make

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-5

NGSS.HS-ESS1-1