Medical Marijuana Quiz
18 Questions
| Attempts: 210
Take our test and see how much you know about Medical Marijuana
Questions and Answers
- 1.
What is GFCI?
- A.
Ground Facing circuit interrupter?
- B.
A chemical used for Growing Flowering Cannabis Ideally?
- C.
An agency used to reimburse growers?
- D.
A Ground Fault Circuit Interrupter
Correct Answer
D. A Ground Fault Circuit Interrupter -
- 2.
How much will i yeild? Which of the following will help me get more?
- A.
Temperature.
- B.
Humidity.
- C.
Water/moisture
- D.
Nutrients.
- E.
CO2/ventilation.
- F.
Plant/root/container size.
- G.
Grower's skill.
- H.
All of the above
Correct Answer
H. All of the aboveExplanation
All of the above. From ambitious new gardeners and for good reason too. But, this is really a loaded question that doesn't have a definite answer. It seems one of the first assumptions by new gardeners is that loads of light automatically equals loads of buds. Unfortunately, it's just not that simple. Yield is equally contingent on a number of factors; light, temperature, humidity, water, nutrients, CO2/ventilation, genetics, etc. Think of it as an engine, with each factor of cultivation representing a single piston, sure the engine will run if some of the cylinders are misfiring or not firing at all, but to yield the most power from that engine, all cylinders must be firing in sync and at maximum capacity.Rate this question:
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- 3.
What do I use to measure the nutrient and ph level?
- A.
Neighbors sink
- B.
Ph, ppm and EC meter
- C.
Ph test kit from store
- D.
Stirring the water
Correct Answer
C. Ph test kit from storeExplanation
Liquid Ph test kits offer the grower an inexpensive alternative to the expensive test meters and give results which are accurate enough to accomplish the task just fine. Usually reading within +/- two tenths of a point (.02) of electronic meters, depending on the kit.
For the grower looking for the most accurate Ph control, there are many various electronic Ph testers available that when calibrated will give extremely accurate readings. Unfortunately for quality units, you may be looking at a higher price than you are able to pay, even the best units will suffer down time as probes go bad. Ph probes are especially prone to failure as the membrane ages, eventually drying out and failing.
The most common solution to fill the void is liquid type Ph test kit.
They're quick, reasonably accurate and very inexpensive.
Great backup in case your probe fails.
When using liquid Ph testers, there are some important things to keep in mind:
Always use a white background when looking at the color in the vial.
A non white back ground can alter the color subtly enough that you may end up being off by anywhere from a little to a lot depending on the color background being used.
Make sure that all color comparisons are done under natural light or normal household lighting and NOT HID light, as the red/blue spectrum's of the light (HPS and MH respectively) will cause serious variations to the appearance of the solution, and in some cases you could be running your solution as much as a whole point above or below what it should be.Rate this question:
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- 4.
How much light do I need?
Correct Answer
As much as you can get
1000 watts per plant
500 watts per plant
100 watts per square foot
60 watts per square foot - 5.
What type of lighting is best?
- A.
Sunlight
- B.
Fluorescence lights
- C.
House hold lights (100 watt)
- D.
Metal halide
- E.
High pressure sodium
- F.
All of the above
Correct Answer
F. All of the aboveExplanation
Fluorescent or metal halide lighting is best for clones and seedlings. Metal halides are recommended for vegetative growth due to their enhanced blue spectrum which encourages bushier, more compact growth. High pressure sodium lights are better suited for flowering, but either can be used for the entire cycle with favorable results.Rate this question:
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- 6.
How can I raise the pH of my soil mix?
- A.
Dolomite lime
- B.
Bone meal
- C.
Crushed oyster shells
- D.
Chemical from Grow store
- E.
All of the above
Correct Answer
E. All of the aboveExplanation
The best way to stable PH is by adding 1 ounce of Dolomite Lime per 1 gallon of planting soil.
Dolomite Lime is available in garden nurseries. Buy the fine Dolomite powder (There may be several kinds of Dolomite like Rough, Medium, Fine)
Dolomite Lime has been a useful PH stabilizer for years, since it has a neutral PH of 7 when added to your soil it stabilizes your soil at PH 7.
Mix the dry soil medium and dolomite together really well, give the mix a good watering then after the water has had chance to settle and leech into the soil a bit give the mix a really good stir. Then water the soil/lime mix and give it another stir
Best plan is to mix fine dolomite lime into your mix before planting. Fine Dolomite will help stabilize your pH; however, if the ph becomes unstable or changes, you can then use Hydrated Dolomite Lime. Add some of the hydrated lime to luke warm water and give it a good stir then water your plants with it. Give the plants a good watering with this hydrated lime added and your PH should fall or rise back to 7
Other Benefits of Dolomite Lime
Dolomite lime is also high in two secondary nutes that can often be overlooked by fertilizers; dolomite is high in both (Mg) Magnesium and (Ca) Calcium.Rate this question:
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- 7.
How do I Lower soil pH?
- A.
Sawdust
- B.
Composted leaves
- C.
Peat moss
- D.
All of the above
Correct Answer
D. All of the aboveExplanation
Methods of measuring pH
To measure the pH of a solution, a digital pH meter, or pH papers such as litmus are used.
These methods can be expensive, especially if you are buying the pool test strips.
pH meters begin selling for $70 and usually run $120 if you can even find one.
Red Cabbage is happening
You really don't have to use either of them, as nature provides us with pH indicators in the form of plant pigments which change color over different pH ranges. One of the very best is red cabbage. Red cabbage juice will function over a wide pH range, from as low as pH 1 up to pH 13.
Preparation
There are many ways to prepare the indicators,
My favorite is to chop up 1/2 of a head of red cabbage
place it in a pot of water, then
bringing it to a boil,
let it cool down slowly the color slowly drains out of the cells.
Filter and discard the solids,
evaporate and concentrate the juice Don't over heat it too much, it will get brownish if you do.
Then dip blotter paper or paper towels , in the juice. Spread them out to dry, then dip them again so they get a double dose
If you wish you may iron them flat, run through a shredder for individual strips.
I usually just put drops on a full sheet.
pH measurements What to measure
Measurements are taken on polar (water soluble) solutions only.
Taking a pH reading on a non-polar (oil soluble) solution is futile.
If you do get a pH reading you are actually measuring the pH of any polar solvent residue trapped in with the non-polar.
this may be an indication of purity of the non-polar and not much elseRate this question:
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- 8.
What does pH mean?
- A.
Proper Heating
- B.
Phone Home
- C.
The degree of acidity/alkalinity of a solution
- D.
None of the above
Correct Answer
C. The degree of acidity/alkalinity of a solutionExplanation
Now and then you need to measure the pH of a solution, and this can be done by either using a digital pH-meter, or you can use pH papers (blotter paper soaked in an indicator solution, such as litmus or BTB). Now, both those methods are more or less expensive, the cheapest pH-meter will cost $50 and most will go for over $100. pH paper is cheaper, but many people have trouble finding them.
You really don't have to use either of them, as nature provides us with pH indicators in the form of plant pigments known as antocyanines, which change color over different pH ranges, depending on source. On this page, I will present the indicators derived from red cabbage and red beet. Red cabbage juice will function over a wide pH range, from as low as pH 1 up to pH 12. Red beet juice will change from red to yellow somewhere between pH 11 and 12.
The indicator solutions are prepared by chopping up the red beets or red cabbage into small pieces, preferably by running them through a blender. Then the juice is strained off from the resulting mush, and the mush can also be extracted with water to yield even more of the pigment. The solutions are filtered to remove any remaining plant matter, and can then be used as is, or diluted if the color is too intense. I have no idea for how long such solutions will keep, but stored in a refrigerator they should last for at least several weeks. If your solutions are too dilute, you may be able to concentrate them with gentle heating, I don't know at what temp the pigments will be destroyed, so be careful.
I made solutions of NaOH or HCl in water, to yield solutions with pH's of 0 through 13, and tested the juices, and the results can be viewed below. Outside the shown ranges, the indicators won't change color anymore. Click on the pictures to enlarge them.Rate this question:
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- 9.
What pH level or range should I aim for? (soil)
- A.
Marijuana thrives in neutral to slightly acidic mediums. Soil and soil less mixes should aim for pH of 2.2 Hydro growers should go slightly lower which helps prevent pythium and other root rots-- 2.5 to 2.7 is ideal.
- B.
Marijuana thrives in neutral to slightly acidic mediums. Soil and soil less mixes should aim for pH of 6. Hydro growers should go slightly lower which helps prevent pythium and other root rots-- 5.5 to 5.7 is ideal.
- C.
Not sure
- D.
None of the above
Correct Answer
D. None of the aboveExplanation
How to test the pH of your soil mix
Measuring the pH of soil is just as important as with hydro applications, but few people know how to test soil pH to see if it is within the optimum range for growing robust healthy plants. Here I will try to explain my method of testing any soil / soilless mix, enabling me to spot any problems and correct them if necessary.
Firstly, wait till your soil has dried out and is due for its next watering schedule. Then take some plain water that you usually water your garden with, and adjust the pH to 7.0. You must make sure that you know the exact pH of the water going into your soil, and the neutral 7.0 is best, but anywhere from 6.5 – 7.0 will suffice.
Then place your pot into a bowl of some sort to catch the runoff water, and then start to water your soil slowly (with your pH- corrected plain water) till the water starts to drip from the bottom.
It’s the first drops of water that will give you the best reading of your soil, so make sure to water slowly till you see the first droplets. Then remove the pot from the bowl to eliminate excess water entering the bowl. Then perform the pH test on the runoff and compare it too your initial test.
The results of the runoff test will likely be lower than your starting value of 7.0. If this is the case, a small drop of 0.5 pH to 6.5 pH (example) would be ok and your soil needs no further alterations at the moment. But that’s not to say that it won’t need any future tests at all, just not at this time.
[Editor’s note: It may be beneficial to obtain an initial sample, as well as a ‘full flush’ sample in seperate bowls. In addition, test several plants in the garden just to verify your results]
What if the pH is off?
If your results prove to have dropped considerably, say to around 5.5 (which can happen in late stages of flowering), you will need to add some lime into your soil to help buffer the pH back up again.
Remove the first inch or so of soil, taking care not to damage any roots whilst performing this task. Then sprinkle the lime into the pot, nice and evenly at a rate of 1 teaspoon (5 ml) of lime per gallon of soil. Then replace the soil you removed earlier, and saturate the soil good to wash in the lime.
Do the same test next time your plants need watering just to check that everything is fine, if more lime needs to be added then just repeat the process again till you reach close to 6.5 – 7.0 with the runoff.
Ensuring that your pH is correct should be done throughout the life cycle; this will help eliminate any nutrient lockout that may occur. I recommend doing this once a month just to keep the PH in check, and you should never have a problem with deficiencies caused by pH lockout.Rate this question:
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- 10.
What is the "lift the pot" method?
- A.
Is a widely practiced, and very accurate method of knowing when to water your container plants
- B.
When your at your Mentors grab a pot
- C.
None of the above
Correct Answer
A. Is a widely practiced, and very accurate method of knowing when to water your container plantsExplanation
What is the "lift the pot" method?
Get an equal size pot and fill it with your soil. The medium should be about as moist as a new bag of potting soil. Use this planter as a learning tool to get a rough idea of how much the pots should weigh before watering again. The pots with your plants will feel only just slightly heavier when the soil is ready for more water. Pick up one of your planted pots, if its noticeably heavy, do not water it until it feels "light". Next time you water a planter, pick it up and feel how much heavier it feels compared to the sample pot of soil.Rate this question:
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- 11.
Is tap water ok for my seeds and plants?
- A.
Yes
- B.
No
- C.
Tap water in most areas is highly chlorinated and is good for plants
- D.
Chlorine is good for some beneficial microorganisms in the soil;
- E.
Even with chlorine or chloramine, your plants may grow fine from the tap
- F.
Sometimes
Correct Answer
F. SometimesExplanation
Tap water in most areas is highly chlorinated, this does not appear to harm Cannabis; and countless fine crops are raised with water straight from the tap.
Chlorine is introduced to water as the gas Cl2 which formulates slightly acidic water, the chlorine could possibly influence the plants indirectly, by killing some beneficial microorganisms in the soil; however, neither effect is expected to be serious. Organochlorine takes longer than chlorine to dissipate, so the best procedure is allowing the water to stand in an open container for three days at room temperature.
If the water has dissolved CO2 in it (like some bottled water labeled as pure), the pH will rise as that comes out. Letting it sit out is used to evaporate the chlorine, which is fine if thats what your district uses. Some areas have switched to chloramine, which is chlorine and ammonia. This will not evaporate and you need a reverse-osmosis filter (or a distiller) to remove chloramine.
To determine which is in your water, have a sample tested or call your utility company. Even with chlorine or chloramine, your plants may grow fine from the tap, but if you wouldn't drink it, why should your plants?Rate this question:
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- 12.
What are soil amendments?
- A.
THINGS YOU SAY TO OTHERS ABOUT THEIR PLANTS.
- B.
THINGS YOU PROMISE TO DO ON TIME IN YOUR GARDEN
- C.
Are added to a planting medium in order to provide plants with various nutrients.
- D.
None of the above
Correct Answer
C. Are added to a planting medium in order to provide plants with various nutrients.Explanation
Soil amendments are added to a planting medium in order to provide plants with various nutrients.
Guano. Dried poo. May be either from bats or birds. Guano is available in high Nitrogen, high Phosphorous and balanced formulations. Guano will burn your plants, so use conservatively.
Worm Castings. Worm poo. An excellent source of micro nutrients. Also, a supplemental source of Nitrogen. Castings ought to be in every soil less mix. They will not burn your plants, and, when cut with perlite and vermiculite, make a fine medium in their own right.
Bone Meal. As the name implies, this is ground up bones from the slaughter house. Bone meal provides phosphorous. Will attract animals to your grow if used outside. Will attract pets if used inside.
Blood Meal. Again, made from animal blood on the slaughter house floor. A source of nitrogen. Also, attracts animals to your grow. Particularly odiferous. Blood meal will burn your plants, so use conservatively.
Kelp Meal. Made from dried and ground seaweed. If made from ascophyllum nodosum, provides a growth hormone which promotes rapid growth of both roots and foliage. Also contains trace elements and enzymes.
Perlite. A non-porous volcanic byproduct, perlite is pH neutral and improves the drainage of planting mediums.
Vermiculite. A porous volcanic byproduct, capable of nutrient and cation exchange.
Dolomite lime. Frequently used in planting mediums to offset acidity, that is, lime raises pH. Dolomite lime is slower acting and more buffered than hydrated lime.Rate this question:
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- 13.
WHAT IS DWC? answer A way to "Down size Wattage and Current". True or False
- A.
True
- B.
False
Correct Answer
B. False -
- 14.
What are preflowers?
- A.
The part of the Mature plant wanted by growers.
- B.
Preflowers, as opposed to full blown flowers, generally appear after the fourth week of vegetative growth from seed.
- C.
None of the above
Correct Answer
C. None of the above -
- 15.
I can sex a plant using a paper bag
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Select a plant that you would like to sex and choose a growing tip. Take the paper bag, place it over the top of the selected tip and seal with the twisty tie. Then, to simulate the flowering phase, simply remove the bag after the 12hr dark period, and replace when the 12hr day cycle ends.Rate this question:
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- 16.
Can temperature affect how well my clones root?
- A.
NO
- B.
YES
- C.
IT DOES NOT MATTER
- D.
WHAT IS A CLONE?
Correct Answer
B. YESExplanation
Definitely. Cold cuttings may never root. If the temperature at clone root level is under 65 degrees, you'll want to use a heating mat. Temps of around 75 to 80 are optimal.Rate this question:
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- 17.
How do I root clones using scarification?
- A.
Sneak up on them in the dark and cut them quickly
- B.
Using a razor blade to scrap the cut stem prior to using rooting hormone
- C.
Find someone not afraid of sharp instruments
- D.
None of the above
Correct Answer
B. Using a razor blade to scrap the cut stem prior to using rooting hormoneExplanation
The idea here is to scarify the stem of your cutting so that there is more area in which the cutting can have the opportunity to grow roots and therefore hopefully increase your rooting success rate. You will need a sharp razor blade and a flat surface to scarify your stemRate this question:
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- 18.
How long should my clones take to root?
- A.
2 days
- B.
4 days
- C.
Two weeks
- D.
18 days
- E.
One week
Correct Answer
E. One week -
Quiz Review Timeline +
Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.
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Current Version
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Feb 03, 2013Quiz Edited by
ProProfs Editorial Team -
Nov 26, 2011Quiz Created by
Ommpeddie
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