PHOTOSYNTHESIS RESPIRATION ONLY

1Which of the following are by-products of cellular respiration?

AATP, carbon dioxide, and water

Bglucose, carbon dioxide, and water

CATP and carbon dioxide

Dheat, carbon dioxide, and water

Ecarbon dioxide and water

2All of the following are TRUE EXCEPT

AC4 and CAM plants grow better in hot, arid conditions than C3 plants

BC4 and CAM plants use PEP carboxylase instead of rubisco to fix carbon into
four-carbon molecules

CC4 plants have bundle sheath cells and CAM and C3 plants don't

DCAM and C4 plants don't have rubisco

ECAM plants close their stomata during the day and open them at night

3The process in photosynthesis that most closely resembles chemiosmosis and oxidative

phosphorylation in cell respiration is

Acyclic phosphorylation

Bnon cyclic phosphorylation

CATP synthase coupling

DCalvin cycle

Eacetyl CoA formation

4The P680 chlorophyll has its "holes" filled by electrons from

ARuBP

BPhotosystem I

Cwater

DNADPH

ENADH

5Which steps in cellular respiration make the most ATP?

Aglycolysis

BKrebs cycle

CElectron transport system

DCalvin cycle

Ealcoholic fermentation

6Muscle fatigue is caused when the process of fermentation in oxygen-depleted cells

produces

ARuBP

Bpyruvate

Calcohol

Dlactic acid

Ecitric acid

7Which of the following occurs in BOTH photosynthesis and respiration?

ACalvin cycle

Bchemiosmosis

CCitric acid cycle

Dglycolysis

Ephotorespiration

8Which of the following is mismatched with its location?

Alight independent reactions-chloroplast stroma

BCalvin cycle-thylakoid space

CKrebs cycle-mitochondrial matrix

Delectron transport chain-thylakoid membrane

Eelectron transport chain-cristae membrane

9.Groups of photosynthetic pigments molecules situated in the thylakoid membrane arecalled

Aphotosystems

Bcarotenoids

Cchlorophyll

Dgrana

Eproton pumps

10.This diagram shows what happens during
photosynthesis in _____ plants.

AC4

BC3

CCAM

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11. Which of the following are TRUE about this reaction?

AIt can happen with or without oxygen

BIt happens in the mitochondrial matrix

CIt happens in eukaryotes but not prokaryotes

DIt happens in prokaryotes but not eukaryotes

EIt happens in animals but not plants

12. Which enzyme catalyses the first step in this pathway?

APEP carboxylase

BRubisco

Cacetyl Co A

DATP synthase

Ephosphofructokinase

13.Which metallic cofactor is part of the chlorophyll molecule?

AFe

BMg
Cvitamin B

Dcytochrome C

14.Which kind of poison would most directly interfere with glycolysis?

AAn agent that reacts with oxygen and depletes its concentration in the cell

BAn agent that binds to pyruvate and inactivates it

CAn agent that closely mimics the structure of glucose but is not metabolized

DAn agent that reacts with NADH and oxidizes it to NAD+

EAn agent that blocks the passage of electrons along the electron transportchain

15.Which of the following is TRUE of both mitochondria and chloroplasts?

AThey are found in cells of eukaryotic autotrophs and heterotrophs

BThey include stacks of membranes that absorb light

CThey include compartments where hydrogen ions are concentrated

DThey produce sugars using energy harvested in the cytoplasm

EThey break down sugar to produce ATP

16.The flow of which of the following into the mitochondrial matrix provides the chemiosmotic

energy for the synthesis of ATP?

Ainorganic phosphate

BADP

Cglucose

Dprotons

Eelectrons

17. Which of the following electron carriers generates the most ATP when electrons are passed

to the electron transport chain in cellular respiration?

ANADPH

BNADH

CFADH2

DAcetyl CoA

18.The oxygen found in C6H12O6 at the end of the Calvin cycle originally started as part of

which molecule?

AH2O

BCO2

CATP

Dchlorophyll

19. Where are the enzymes for the Calvin cycle found?

AThey are part of the thylakoid membrane.

BThey are found in the stroma

CThey are found in the thylakoid space.

DThey are loose in the cytoplasm
20. Which molecule is the last electron acceptor at the end of electron transport in cellularrespiration?
A. FADH2
B. NADH

C. oxygen

D. NADPH

Answer Key :PHOTOSYNTHESIS RESPIRATION ONLY

Question:Answer

1D

2D

3B

4C

5C

6D

7B

8B

9A

10A

11A

12B

13B

14C

15C

16D

17B

18B

19B

20C