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plant nutrition
plant nutrition
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A #biology #quiz introducing the basics of #plantnutrition (my final exam project)
Flashcards
25 cards
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Practice quiz
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Host live
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Questions
25
Answers
1
what are hydroponic cultures used for?
To see which cultures have the best plants.
fungus
To determine which chemical elements are essential.
hydroponic people dance in it
2
Carbon is what percent of a plant's dry mass?
25%
30%
40%
45%
3
Oxygen is what percent of plants dry mass?
23%
56%
43%
45%
4
what role do earthworms have in topsoil?
by adding nutrients
ya momma
they aerate the soil by burrowing and adding mucus
by being wormy
5
Are nodules harmful to plants?
no
yes
probably
ya mama
6
How do plants get their nitrogen?
through the atmosphere
through the breakdown of humus by microbes
through the water
through the wire
7
why is it ironic that plants can suffer from nitrogen deficiencies?
because nitrogen is a precious commodity to plants
Because the atmosphere is nearly 80% nitrogen
they are born with nitrogen in their blood
they grow based off their nitrous oxide
8
what makes a chemical element an essential element is
if it is a macronutrient
if it's required for a plant to complete a life cycle
if it is a micronutrient
if its in a plant
9
what makes loams so fertile?
slash and burn
course particles that allow air to flow for respiration
foood
fine particles to provide a large area for minerals
10
The eventual result of erosion is
humus
fertile soil
The top two answer choices
topsoil
11
what is phytoremediation?
a robotic process
it's not a word`
a really long word
A biological, technology that cleans contaminated areas
12
what do nodules do?
eat away the plant root
take up space
take N2 out of the atmosphere and convert it into ammonium
push plant decay
13
what are nitrogen-fixing bacteria?
bacteria that covert N2 from the atmosphere to NH3
bacteria that fix stuff
a special type of car mechanic
crack heads
14
How many essential elements are micronutrients?
7
6
8
9
15
When did farmers start fertilizing their fields?
when they noticed science
when they noticed that grass grew greener where animal poop
when trees grew long
when god told them to
16
organic substances account for ___ of the dry weight in plant
96%
4%
half
100%
17
Each plant grows in a specific soil each and each layer of soil is called a
layers
horizons
pages
chapters
18
A plant's mass is 80-90%
water
soil
nitrogen
air
19
Plants acquire most of their nitrogen through...
water
the soil
the atmosphere
nitrate ions
20
what are nodules?
clumps
bumps
clumpsof plant cells that have been infected by bacteria
barack obama
21
why is it important to conserve soil?
To prevent ecological disasters like the Dust Bowl.
idk??????
because soil is a commodity
what does conserve mean
22
how long does it take for a soil to become fertile again?
weeks
days
hours
centuries
23
what is nitrogen fixation?
fixation of nitrogen
a metabolic process that nitrogen-fixing bacteria use
other stuff
stuff
24
How many essential elements are macronutrients?
9
7
6
8
25
what are loams made of?
decayed plant roots
equal amounts dirt, compost, and mineral
slash and burn plots
equal amounts sand, silt, and clay
