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121 Cards in this Set

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Double fertilization results from the union of a sperm and an egg plus the union of the other sperm and the __________.
Polar Nuclei
How many nuclei are in a microspore
1
How many microspore mother cells are in a microsporangium?
Many
What is the name of the largest nucleus in the embryo sac?
Egg
How many functional microspores are formed from a microspore mothercell?
4
If any whorl is missing, the flower is described as _______.
Incomplete
What is the male gametophyte in a flowering plant?
Pollen tube
What supplies the food for the developing embryo?
Endosperm.
All the stamens collected would make up the ______.
Androecium.
How many nuclei are found in a mature embryo sac?
8
A microspore develops into a ______.
Pollen Grain.
A ripe or mature ovule develops into a _______.
Seed
The outer most whorl of a complete flower is the _______.
Calyx.
An ovary is located on top of the receptacle. It is described as ______.
Superior.
A plant having male and female flowers on separate plants is described as ______.
Dioecious.
What part of the flower develops into the fruit?
Ovary
Double fertilization results from the union of the sperm and the polar nuclei plus the union of the sperm and the _______.
Egg
How many nuclei are in a pollen grain?
2
Microspores are formed in a what?
Microsporangium
What is the name of the three nuclei in an embryo sac furthest from the micropyle?
Antipodals
How many microspores produced from a microspore mothercell die?
None
If all 4 whorls are present in a flower, it is described as _____.
Complete.
What is the female gametophyte in a flowering plant?
Embryo Sac
What supplies food for an embryo to get out of the ground?
Cotyledons
All the pistils collectively make up the ________.
Gynesium.
All of the sepals together make up the _________.
Calyx.
All of the petals together make up the __________.
Corolla.
The sepals and the petals collectively make up the _______.
Perianth.
If the sepals and petals are identical in appearance, we call them _______.
Tepals.
A pollen grain develops from a what?
Microspore
A ripened or mature ovary develops into a _______.
Fruit
If an ovary is embedded in the receptacle it is described as _______.
Inferior.
An inferior ovary would give rise to what type of flower?
Epigynous
A superior ovary would give rise to what type of flower?
Hypogynaus
A plant having male and female flowers on the same plant is described as _____.
Monoecious.
The generative nucleus gives rise to what?
2 Sperm
A flower having both stamens and pistils is described as ______.
Perfect.
A flower lacking stamens or pistils is described as _______.
Imperfect.
In which structure is the sperm produced in a flowering plant?
Pollen tubes
The 2 polar nuclei unite with a _______.
Sperm
The opening in the ovule through which the pollen tube enters is the _______.
Micropyle.
What is the name of the largest nucleus in the embryo sac?
Egg
What is the name for the 2 nuclei in the center of the embryo sac?
Polar Nuclei
What is the name for the 2 nuclei on either side of the egg?
Synergids
What is the name for the tissue surrounding the embryo sac?
Nucellus.
What holds the ovule to the ovary?
Funiculus.
Each lobe of a compound ovary is called a ______.
Carpel.
The space surrounding the ovule in the ovary is called the _______.
Locule.
How many megaspore mother cells are in a ovule?
1
What does a megaspore mother cell give rise to?
Megaspores
What is the N number of a megaspore?
1N
What is the N number of a megaspore mother cell?
2N
What is the N number of the primary endosperm nucleus?
3N
What is the N number of the Zygote?
2N
Fertilized egg is called a _______.
Zygote
What is the sticky part of the pistil?
Stigma
What supports the anther in a flower?
Filament
What supports the stigma in a flower?
Style
Which part of the stamen produces pollen?
Anther
What is the female part of the flower called?
Pistil
What is the male part of the flower called?
Stamen
If a flower has no stamens, it is described as ______.
Imperfect.
If a flower has no pistils, it is described as ______.
Imperfect.
If a flower has stems and pistils, it is described as ______.
Perfect
What is the only 3N tissue in the embryo sac?
Endosperm
When a bean is planted, what part emerges first?
Hypocotyl.
Which part of the embryo provides food for the plant to emerge from the soil?
Cotyledons.
Which part of the embryo develops into the shoot?
Plumule or Epicotyl
A fruit that develops from the ovary only is called a what?
True Fruit
A fruit that develops from the ovary and some other associated part is called a _____.
Accessory fruit.
What is the bulby part of the stamen called?
Anther.
What’s formed when a zygote divides?
Embryo.
What do you call a flower that has its parts located above the ovary?
Epygynous flower
What do you call a flower that has its parts located below the ovary?
Hypogynaus flower.
The union of the egg and sperm is called ______.
Fertilization
The outer part of the ovule is called _______.
Outer Integument
Which integument surrounds the micropyle?
Inner integument.
Pollen sac develops from the what?
Microsporangium.
What does a microspore mothercell produce?
Microspores
What is the name of the tissue between the embryo sac and the micropyle?
Nucellus.
The place where an ovule is attached to the ovary is called the what?
Placenta
The transfer of pollen from the stamen to the stigma is called what?
Pollenation
When a seed germinates, which part breaks out of the seed coat first?
Radicle.
The structure that a flower rests upon is called the what?
Receptacle
The male gamete is called a what?
Sperm
Which part of the anther is used for food by the developing microspores?
Tapetum
When sepals and petals are identical in appearance, we call them _____.
Tepals
What is another name for the seed coat?
Testa
A circular arrangement of parts is called a ______.
Whorl
Which of the following is not a grass?
Sweet Potatoes, Cassava
What percent of the world food supply is from grasses?
75%
Which is not a major food?
Citrus, Apples, Turnips
How many plants supply 95% of the world’s annual food supply?
11
Approx. How many known species of plants do we have?
350,000
Approx. How many known insect species do we have?
1 million
Approx. What percent of our food comes from seed plants?
99%
How many plants are widely cultivated in the world for food?
300
How many species of plants are used for food throughout the world?
3,000
If we did not want more pesticides in our food, we must be willing to:
Eat more insects
Which of the following may be found in the foods we eat such as potted meat?
_____, _____, ____,. All of the above.
What is the latest population figure for the United States?
300 million
The number of new mouths to feed in the world is approx. equal to what? Almost the entire population of _______.
Mexico
The public health service of the food and drug administration approved certain defect levels in certain foods with which of the following items in them:
_____, _______, ______, All of the above.
In a 3.5 ounce can of mushrooms, it is legal to have:
20 maggots.
According to public health service and food and drug administration, what is allowed in 1 large candy bar?
1 rodent hair
Approx. 80% of the world’s agricultural effort is directed towards:
_____, _____, food production.
What’s the most consumed food in the United States per person?
Fluid milk and cream
Which disease destroyed the potato crop in Ireland in 1845?
Late Blight
What is the trade name for the micro protein?
Mycoprotein
What is the trade name for the micro protein now proved as a food source?
Corn
Approx. what percent of water may be found in dog food?
75%
What’s the 4th most consumed food in the united states?
Refined sugar.
What is the number one crop in the state of Louisiana?
Pinetrees
What’s the second most consumed food in the United States?
Potatoes
What’s the third most consumed food in the United States?
Beef
Honey is actually
Bee Vomit.
Organic gardening:
Cannot feed the world
How many insects do most Americans eat every year?
1-2 Pounds
How many major foods of the world are grasses?
5
Which root crop is one of the major foods of the world and is grown in Brazil?
Cassava
The world population is increasing as much as: the entire population of the United States how often?
30 months.