Blinn College Horticulture Exam 2
Questions and Verified Detailed Answers
Scarification - ✔✔breaking or softening a seed coat to allow absorption of
moisture
why do some seeds need to be soaked or scratched - ✔✔scratching the seeds
will help break down the seed coat.
Bisexual reproduction in plants - ✔✔plants that are the same sex
Hybrids - ✔✔The offspring of two different varieties
indirect seeding (transplanting) - ✔✔planting seeds indoors and growing
seedlings prior to being transplanted to a larger container or to a permanent
location outdoors.
Vermiculture - ✔✔the raising and production of earthworms and their by-
products.
Hardening off - ✔✔Process of moving plants outdoors for a portion of the day to
gradually introduce them to the direct sunlight, dry air, and cold nights.
tissue culture - ✔✔Technique for growing pieces of living tissue in artificial
media
Temperature soil is sterilized at - ✔✔180 degrees
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©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025.
, pelleted - ✔✔refers to seeds that are coated with an organic clay-based
compound to create a large seed that will be easier to sow
seed coat - ✔✔A tough outer covering of a seed, formed from the outer coat of
an ovule.
endosperm - ✔✔food-rich tissue that nourishes a seedling as it grows
embryo - ✔✔developing stage of a multicellular organism
Construction sand - ✔✔granite rock, gneiss, or limestone.
Sphangnum Moss - ✔✔seed starting, as a planting medium for orchids, as a
potting soil amendment, for lining baskets, or for other art projects. It has a
neutral pH level and is great for retaining moisture in the soil, even when dried.
Perilite - ✔✔Perlite is a naturally occurring mineral that is added to garden soil
to improve aeration, water retention and drainage. It looks like small, white
Styrofoam balls and is commonly found in potting soil and seed-starting mixes.
How to Identify the top and bottom of a cutting - ✔✔top cutting is the most
basic, and requires just one snip. By separating the top of the stem from the
bottom, cutting on the internode, you remove the plant's terminal bud, the
growth point at the top of the stem. You can see this growth point as a pointy
bump forming on the petiole of the newest leaf.
2|Page
©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025.
Questions and Verified Detailed Answers
Scarification - ✔✔breaking or softening a seed coat to allow absorption of
moisture
why do some seeds need to be soaked or scratched - ✔✔scratching the seeds
will help break down the seed coat.
Bisexual reproduction in plants - ✔✔plants that are the same sex
Hybrids - ✔✔The offspring of two different varieties
indirect seeding (transplanting) - ✔✔planting seeds indoors and growing
seedlings prior to being transplanted to a larger container or to a permanent
location outdoors.
Vermiculture - ✔✔the raising and production of earthworms and their by-
products.
Hardening off - ✔✔Process of moving plants outdoors for a portion of the day to
gradually introduce them to the direct sunlight, dry air, and cold nights.
tissue culture - ✔✔Technique for growing pieces of living tissue in artificial
media
Temperature soil is sterilized at - ✔✔180 degrees
1|Page
©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025.
, pelleted - ✔✔refers to seeds that are coated with an organic clay-based
compound to create a large seed that will be easier to sow
seed coat - ✔✔A tough outer covering of a seed, formed from the outer coat of
an ovule.
endosperm - ✔✔food-rich tissue that nourishes a seedling as it grows
embryo - ✔✔developing stage of a multicellular organism
Construction sand - ✔✔granite rock, gneiss, or limestone.
Sphangnum Moss - ✔✔seed starting, as a planting medium for orchids, as a
potting soil amendment, for lining baskets, or for other art projects. It has a
neutral pH level and is great for retaining moisture in the soil, even when dried.
Perilite - ✔✔Perlite is a naturally occurring mineral that is added to garden soil
to improve aeration, water retention and drainage. It looks like small, white
Styrofoam balls and is commonly found in potting soil and seed-starting mixes.
How to Identify the top and bottom of a cutting - ✔✔top cutting is the most
basic, and requires just one snip. By separating the top of the stem from the
bottom, cutting on the internode, you remove the plant's terminal bud, the
growth point at the top of the stem. You can see this growth point as a pointy
bump forming on the petiole of the newest leaf.
2|Page
©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025.
