Photosynthesis - Daily Quiz

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Gas exchange in most land plants occur through structure called

stomata

Which of the following plants has a dominant sporophyte generation and a seed, but no fruit

pine tree

In plants the vascular tissue made of dead cels that transport water and minerals from the roots is called

xylem

In plants, the vascular tissue that consists of living cells that distribute sugars throughout the plant is caled

phloem

the type of life cycle seen in plants is called

alternation of generations

the majority of plant species today are

angiosperms

The dominant stage of mosses is the

gametophyte

which type of vascular tissue cell in a pplant is dead at maturity

vessel elements

Which of the following statements regarding ferns is true

ferns have well developed vascular tissue roots and stems

About 95% of all modern plant species

have a dominant sporophyte in their life cycle

What force is responsible for the cohesiveness of water

hdrogen bonding of water molecules

which of the following produces the greatest amount of transpiration cohesion tension force

the pull on water from dry air

the two main forces that move water through a plant are

transpiration and root pressure

the pores that facilitate gas exchange in plant leaves are called

stomata

Which of the following growth responses cause the shoots of a plant grow toward light

phototropism

in producing capillary action in vascular plants the adhesive property of water is most important in the

xylem

which of the following growht response causes the shoots of a plant grown in the dark to grow upward

gravitropism

The plant growht response to touch is known as

thigmotropism

If the sun were to disappear right now we wouldnt know about it for 8 minutes because it takes 8 minutes

for light to travel from sun to earth

arotene is another plant pigment that absorbs light in the orange portion of the visible light spectrum

true

CO2 enters and O2 escapes frome a leaf via

stomata

of the following wavelenths of light, which would you expect to be reflected or transmitted by chlorophyll a

green

most of the electromagnetic spectrum consists of visible light

false

why are most plants green

chlorophyll reflects green light

the process that makes ATP is chemiosmosis. This occurs in both mitochondria and chloroplasts

true

sunligt is a type of _________energy

electromagnetic

autotrophs that utilize light as their energy source are

photoautotrophs

which of the following colors contribute the least energy to photosynthesis

green

which of the follwing photosynthetic pigments can be found at the Photosystem II reacton center

P680

The electrons lost from P680 of photosystem II are replaced by electrons from

H2O

The electron transport chain of the light reactions shuttle electrons along in a series of redox reactions correctively known as

non cyclic electron flow

a packet of light energy is called a

photon

due to its function in the formation of ATP the inner thylakoid space corresponds to the ________of the mitochondrion

intermembrane space

chloroplasts contain dislike membranous sacs called

thylakoids

the eletrons lost from P680 of photosystem II are replaced by electrons from

H2O

The electron transport chain of the light reactions shuttle electrons along in a series of redox reactions collectively know as

non cyclic electron flow

a packet of light energy is called a

photon

due to the function in the formation of ATP the inner thylakoid space corresponds to the __________of the mitochondrion

intermembrane space

Chloroplasts contain dislike membranous sacs called

thylakoids

The elctrons lost from P700 of photosystem I are replaced by electrons from

photosystem II

which of the following photosynthetic pigments can be found at the photosystem I reaction center

P700

Which of the following are produced during the light reactions of photosynthesis

ATP, NADPH, O2

Chloroplats contain dislike membranous sacs arranged in stacks called

grana

the oxygen release into the air as a product of photosynthesis comes from

water

as a result of the cascade of electrons down the electron transport chain from photsystem I

NADP+ is reduced to NADPH

is is true that plants contain the pigment chlorophyll it is specifically located in ______________

photosystem I and II

The ATP and NADPH are used during the

reduction phase

THe ultimate source of all the food we eat and the oxygen we breathe is

photosynthesis

what are the conditions that lead to photorespiration

all of the above

the calvin cycle requires _______and ______ from the light dependent reaction in order to operate

ATP.... NADPH

which of the following are prodcued during the Calvin Cycle

glyceraldehyde 3 phosphate ADP NADP+

the calvin cycle constructs _____an energy rich molecule that a plant cell can then use to make glucose or other organic molecules

glyceralderhyde 3 phosphate

In an herbicide blocked the Calvin cycle before the gernation of glyceraldehyde 3 phosphate which of the following statements would be true

no sugar would be made by the plant

the addition of oxygen to RuBP by rubisco to form a two carbon product that is then browkendown by the cell to carbon dioxide and water defins

photorespiration

carbon fixation

occurs when CO2 is incorporated into an RuBP

Photorespiration

is an evolutionary relic from when atmospheric O2 levels were low and didnot interfere with rubisco

To produce one glucose the calvin cycle needs to be run through______times

two

Ribulose 1 and 5 biphosphate are recreated during

Regeneration of the CO2 Acceptor Phase

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