SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
Search
Test your basic knowledge |
PCAT Biology Autotrophic Nutrition
Start Test
Study First
Subjects
:
pcat
,
biology
Instructions:
Answer 28 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Key pathway of light reactions and involves reactions of oth photosystems
Calvin Cycle
Cyclic Electron Flow
Stomata
Noncyclic Electron Flow
2. Reduce transpiration and conserve wtaer
Noncyclic Electron Flow
Guard Cells
Waxy Cuticle
Dark REactions
3. The light capturing unit of the thylakoid membrane which is composed of a number of chlorophyll molecules
Photosystem II
Photosystem
Stroma
Guard Cells
4. 6CO2+ 12 H2O + light energy -> C6H12O6 + 6O2 +6H2O
Net Reaction for Photosynthesis
Root
Palisade
Autotroph
5. Bacteria form carbohydrates by Use of chemical energy rather than by using the radiant energy of the sun
Root
Chemosynthesis
Stroma
Dark Reactions
6. Specialized organs that are the principal sites of photosynthesis
Stroma
Light reactions
Spongy Layer
Leaves
7. Convert solar energy into chemical energy in the form of ATP (by photophosphorylation) and NADPH and must take place in light
Cyclic Electron Flow
Calvin Cycle
Light reactions
Grana
8. Special chlorophyll molecule is P680 because it absorbs best at 680 nm
Calvin Cycle
Autotroph
Waxy Cuticle
Photosystem II
9. Highly organized plastid containing the chlorophyll pigment that is bounded by two membranes and contains a netowrk of membranes called thylakoid membranes
Photosynthesis
Chloroplast
Grana
Waxy Cuticle
10. Thylakoid stacks
Chemosynthesis
Root
Chloroplast
Grana
11. Incorporate CO2 into organi molecules in a process called carbon fixation
Guard Cells
Dark REactions
Net Reaction for Photosynthesis
Light reactions
12. Excited e- of P700 move along a chain of electron carriers -reactions are harnessed to produce ATp from ADP and Pi in a process called cyclic photophosphorylation
Autotroph
Photosynthesis
Ferrodixin
Cyclic Electron Flow
13. Speicalized epidermal cells with thin-walled rot haris are found in the root and provide an increased surface for absorption of wtaer and minerals by diffusion and active transport
Noncyclic Electron Flow
Root
Stomata
Photosystem
14. Openings in the lower epidermis of a leaf that permit diffusion of CO2 - H2o - and oxygen
Veins in leaves
Dark REactions
Leaves
Stomata
15. CO2 is the source of carbon for carbohydrate production -product is three-carbon sugar phosphoglyceraledhyde (PGAL) -Similar to Krebs cycle in reverse
Root
Autotroph
Guard Cells
Calvin Cycle
16. Regulate the size of stomata opening - which open during the day to admit CO2 for photosynthesis and close them at night to limit loss of water
Stroma
Dark REactions
Autotroph
Guard Cells
17. Stomata open into air spaces that contact an internal moist surface of loosely packed songy layer cells.
Photoionization
Veins in leaves
Autotroph
Spongy Layer
18. Metabolic process where solar energy is trapped - converted to chemical energy - and then subsequently stored in the bonds of plant organic nutrient molecules and takes place in chloroplasts
Palisade
Veins in leaves
Dark REactions
Photosynthesis
19. Fluid matrix of the chloroplast
Photosynthesis
Guard
Noncyclic Electron Flow
Stroma
20. Surround each of the stomata on the lower surface of the leaves
Noncyclic Electron Flow
Photosystem I
Dark Reactions
Guard
21. Use ATP and NADPH produced by the light reactions to reduce CO2 to carbohydrates - primarily glucose (only occur during the day when the light reactions are replenishing the supply of ATP and NADPH -aka carbon-fixation or reduction synthesis reaction
Dark Reactions
Stroma
Noncyclic Electron Flow
Calvin Cycle Steps
22. Escape of high-energy electrons from chlorophyll molecules
Photoionization
Calvin Cycle Steps
Root
Ferrodixin
23. One of the early e- carriers in the cyclic photophosporlylation
Calvin Cycle Steps
Leaves
Photoionization
Ferrodixin
24. Any organism that manufactures its own organic molecules (glucose - amino acids - and fats) from inorganic materials (CO2 - H2O - and mineral salts).
Waxy Cuticle
Leaves
Calvin Cycle
Autotroph
25. 1) carbon dioxide is fed into the cycle; in the Krebs cycle it was produce and released 2) reducing power is used during the cycle (NADPH); in the Krebs cycle NADH was removed 3) energy is used in the cycle (conversion of ATP to ADP); in the Krebs cy
Ferrodixin
Net Reaction for Photosynthesis
Calvin Cycle Steps
Waxy Cuticle
26. Chlorphyll a molecule is called P700 because it absorbed best at 700nm
Grana
Leaves
Photosystem I
Cyclic Electron Flow
27. Layer of elongated - chloroplast-containing cells spread over a large surface area. they are directly under the upper epidermis and are well expoed to light
Palisade
Waxy Cuticle
Chemosynthesis
Stroma
28. Contain xylem and phloem bring water to the leaf from the roots (xylem) and carry manufactured food out of the leaf (phloem)
Leaves
Photosystem II
Veins in leaves
Cyclic Electron Flow