Photosynthesis and Plant Structures and Function

Question 1 of 26

1

All of the following statements about electromagnetic radiation are true except

Select one of the following:

visible light represents a large portion of the electromagnetic spectrum
photons of visible light contain more energy than photons of microwave radiation
a wavelength is the distance between two successive crests of a wave
the wavelength of visible light is usually measured in nanometers
a prism can be used to separate light into colors

Explanation

Question 2 of 26

1

The color of a green leaf is due to

Select one of the following:

beta carotene
retinal
phycobilins
its ability to absorb green light
its ability to reflect green light

Explanation

Question 3 of 26

1

A byproduct of photosynthesis is

Select one of the following:

carbon dioxide
water
oxygen
glucose
chlorophyll

Explanation

Question 4 of 26

1

All of the following are true of light dependent reactions of photosynthesis except

Select one of the following:

NADPH is produced
photolysis occurs
ATP is produced
glucose is produced
it requires light

Explanation

Question 5 of 26

1

The oxygen used to build sugars during photosynthesis

Select one of the following:

comes from glucose
is fixed during the light dependent reactions
comes from CO2
comes from H2O
comes from atmospheric oxygen

Explanation

Question 6 of 26

1

Photosystem I

Select one of the following:

is the first photosystem in the series
has a reaction center with 2 beta carotene molecules poised to release high energy electrons
absorbs energy with a frequency of 680 nm
gets its replacement electrons directly from photolysis
is the only photosystem used in the cyclic pathway

Explanation

Question 7 of 26

1

Which of the following is not part of the light dependent reactions

Select one of the following:

stroma
the thylakoid membrane
P680
photolysis
ATP formation

Explanation

Question 8 of 26

1

Which of the following is not associated with a change in H+ concentration across the thylakoid membrane

Select one of the following:

ETC
photolysis
NADPH formation
rubsico
ATP synthase

Explanation

Question 9 of 26

1

Which of the following is not true of light independent reactions

Select one of the following:

produces carbs
carbon is fixed during this reaction
can occur at night
requires ATP
produces NADP

Explanation

Question 10 of 26

1

Light dependent reactions occur

Select one of the following:

in the cytoplasm
in the stroma
in the Calvin Benson cycle
in the plasma membrane
in the thylakoid membrane

Explanation

Question 11 of 26

1

Which of the following is an adaptation that some plants have made to continue photosynthesis at high rates, even under arid conditions?

Select one of the following:

conduct the light independent reactions during the day and the light independent reactions at night
photorespiration
fix CO2 during the day and then use it at nighttime
fix CO2 in 1 type of cell and then transfer it to another type of cell where it will be fixed a second time
use rubisco to fix carbon during the night

Explanation

Question 12 of 26

1

The common distribution patterns of vascular tissue in eudicot stems are characterized by vascular bundles being

Select one of the following:

organized in lines throughout ground tissue
organized in rings within the ground tissue
scattered without a definite pattern throughout the ground
scattered but with the phloem inside the xylem
organized with alternating rings of xylem and phloem

Explanation

Question 13 of 26

1

The difference between apical meristem and lateral meristem is that

Select one of the following:

the apical meristem develops into bark and the lateral mersitem into cork
the apical meristem gives rise to photosynthetic cells where the lateral gives rise to non photosynthetic cells
the lateral meristem is responsible for primary growth and the apical meristem is responsible for secondary growth
the lateral meristem is responsible for lengthening whereas the apical meristem is responsible for thickening
the apical meristem is responsible for lengthening whereas the lateral meristem is responsible for thickening

Explanation

Question 14 of 26

1

Phloem is the transport of as xylem is to the transport of .

Select one of the following:

minerals; charged ions
water; sugar
gases; dissolved solute
sugar; water
negatively charges particles, positively charged particles

Explanation

Question 15 of 26

1

Photosynthetic cells in the mesophyll are

Select one of the following:

parenchyma
sclerenchyma
collenchyma
vascular
dermal

Explanation

Question 16 of 26

1

Increased surface are for the absorption of water at the root level in vascular plants occur primarily because of

Select one of the following:

tubers
root hairs and nodules
rhizome
strobilus
stolon and tubers

Explanation

Question 17 of 26

1

During transpiration, water molecules stick together in order to move through the xylem because of

Select one of the following:

positive pressure
negative pressure
cohesion
adhesion
water potential

Explanation

Question 18 of 26

1

Sugar is transported from leaves to roots primarily because of

Select one of the following:

the pumping source of xylem vessels
transpiration of water molecules
cohesion-tension mechanism
a pressure gradient between the source and the sink
a water potential gradient

Explanation

Question 19 of 26

1

Guard cells swell and open the stomata when

Select one of the following:

solutes, like potassium ions, are pumped out of cells
soil water becomes scarce
it is the night for most C3 plants and C4 plants
there are chemical pollutants in the air
water along with ions like potassium and calcium move into the cells

Explanation

Question 20 of 26

1

In a flowering plant, fertilization occurs in the

Select one of the following:

stigma
style
ovary
anther
filament

Explanation

Question 21 of 26

1

During the plant life cycle, meiosis produces

Select one of the following:

4 haploid microspores and megaspores
endosperm
apical meristem
embryo sporophyte
integuments

Explanation

Question 22 of 26

1

When the sperm cell from the pollen tubes fuses with the egg and another sperm cell fuses with the endosperm mother cell, it is known as

Select one of the following:

pollinization
double fertilization
coevolution
germination
penetration

Explanation

Question 23 of 26

1

Which of the following methods of reproduction does not end with the offspring having identical genes to the parent plant

Select one of the following:

vegetative reproduction
cuttings
grafting
tissue culture propagation
sexual reproduction

Explanation

Question 24 of 26

1

Which of the following hormones is not correctly matched with its function

Select one of the following:

giberellins stimulate cell division in the stem tip and young leaves
auxins stimulate cell elongation in growing tissues and inhibit growth at the axillary bud
abscisic acid opens stomata by pushing solutes into cells
cytokinins inhibit aging in the leaves
ethylene stimulates ripening in fruit

Explanation

Question 25 of 26

1

In order to reset a biological clock, phytochrome is stimulates to switch from an inactive to active form by

Select one of the following:

blue light
green light
purple light
red light
far-red light

Explanation

Question 26 of 26

1

If a plant only blooms if it gets more than 12 hours of sunlight it is considered to be a

Select one of the following:

long day plant
short day plant
long night plant
biennial
perennial

	Created by 22alexpereyra almost 10 years ago

Quiz on Photosynthesis and Plant Structures and Function, created by 22alexpereyra on 16/12/2014.

Photosynthesis and Plant Structures and Function

Question 1 of 26

All of the following statements about electromagnetic radiation are true except

Select one of the following:

Explanation

Question 2 of 26

The color of a green leaf is due to

Select one of the following:

Explanation

Question 3 of 26

A byproduct of photosynthesis is

Select one of the following:

Explanation

Question 4 of 26

All of the following are true of light dependent reactions of photosynthesis except

Select one of the following:

Explanation

Question 5 of 26

The oxygen used to build sugars during photosynthesis

Select one of the following:

Explanation

Question 6 of 26

Photosystem I

Select one of the following:

Explanation

Question 7 of 26

Which of the following is not part of the light dependent reactions

Select one of the following:

Explanation

Question 8 of 26

Which of the following is not associated with a change in H+ concentration across the thylakoid membrane

Select one of the following:

Explanation

Question 9 of 26

Which of the following is not true of light independent reactions

Select one of the following:

Explanation

Question 10 of 26

Light dependent reactions occur

Select one of the following:

Explanation

Question 11 of 26

Which of the following is an adaptation that some plants have made to continue photosynthesis at high rates, even under arid conditions?

Select one of the following:

Explanation

Question 12 of 26

The common distribution patterns of vascular tissue in eudicot stems are characterized by vascular bundles being

Select one of the following:

Explanation

Question 13 of 26

The difference between apical meristem and lateral meristem is that

Select one of the following:

Explanation

Question 14 of 26

Phloem is the transport of ________ as xylem is to the transport of ________.

Select one of the following:

Explanation

Question 15 of 26

Photosynthetic cells in the mesophyll are

Select one of the following:

Explanation

Question 16 of 26

Increased surface are for the absorption of water at the root level in vascular plants occur primarily because of

Select one of the following:

Explanation

Question 17 of 26

During transpiration, water molecules stick together in order to move through the xylem because of

Select one of the following:

Explanation

Question 18 of 26

Sugar is transported from leaves to roots primarily because of

Select one of the following:

Explanation

Question 19 of 26

Guard cells swell and open the stomata when

Select one of the following:

Explanation

Question 20 of 26

In a flowering plant, fertilization occurs in the

Phloem is the transport of as xylem is to the transport of .