Botany Unit 3 questions with verified answers
______ are plants with specific genes from other organism (from viruses
to humans) inserted in the genome Ans✓✓✓transgenic plants
__________ is the only major crop domesticated in the present U.S.
Ans✓✓✓sunflower
A classmate in your botany class is unsure whether it is worth his time to
learn the processes of tissue culture. He is interested in a career in
agriculture. What uses of tissue culture can you cite that would make
this process of interest to him? Ans✓✓✓All choices are correct:
Rapidly increase the number of orchids for commercial sale
Culture protoplasts and propagate somatic hybrids
Grow plants from transgenic experiments
Propagate desirable somatic mutants such as navel oranges or seedless
grapes
A segment of nucleotides in a chromosome that controls the production
of a protein is a Ans✓✓✓gene
All essential macro and micro elements exist as part of organic
molecules in the plant except Ans✓✓✓potassium
alternate forms of the same trait are called Ans✓✓✓alleles
, An area within a plant where food is utilized is called a Ans✓✓✓sink
An increase in ______ would theoretically increase photosynthesis.
Ans✓✓✓CO2 (carbon dioxide)
Approximately how much water typically leaves the plant by
transpiration? Ans✓✓✓90% or more
At present, the most widely accepted theory for movement of sugars in
the phloem is called the Ans✓✓✓pressure-flow hypothesis
Complete the following paragraph describing the origin of agriculture.
No one really knows why humans shifted from the hunter-gatherer
lifestyle to an agricultural one. However, it is likely that agriculture may
have been started to supplement the diet of the hunter-gatherers or
____________ .
Whatever the cause, domestication of plants began approximately
10,000 years ago in the ____________ and between 9,000 to 7,000 years
ago in ____________ . The first crops to be domesticated were the
____________ , followed by ____________ approximately 1,000 to
2,000 years later. The only major crop to be domesticated in the United
States is ____________ . Ans✓✓✓for spiritual reasons
Middle East
Asia and the New World
cereal grains
roots and legumes
______ are plants with specific genes from other organism (from viruses
to humans) inserted in the genome Ans✓✓✓transgenic plants
__________ is the only major crop domesticated in the present U.S.
Ans✓✓✓sunflower
A classmate in your botany class is unsure whether it is worth his time to
learn the processes of tissue culture. He is interested in a career in
agriculture. What uses of tissue culture can you cite that would make
this process of interest to him? Ans✓✓✓All choices are correct:
Rapidly increase the number of orchids for commercial sale
Culture protoplasts and propagate somatic hybrids
Grow plants from transgenic experiments
Propagate desirable somatic mutants such as navel oranges or seedless
grapes
A segment of nucleotides in a chromosome that controls the production
of a protein is a Ans✓✓✓gene
All essential macro and micro elements exist as part of organic
molecules in the plant except Ans✓✓✓potassium
alternate forms of the same trait are called Ans✓✓✓alleles
, An area within a plant where food is utilized is called a Ans✓✓✓sink
An increase in ______ would theoretically increase photosynthesis.
Ans✓✓✓CO2 (carbon dioxide)
Approximately how much water typically leaves the plant by
transpiration? Ans✓✓✓90% or more
At present, the most widely accepted theory for movement of sugars in
the phloem is called the Ans✓✓✓pressure-flow hypothesis
Complete the following paragraph describing the origin of agriculture.
No one really knows why humans shifted from the hunter-gatherer
lifestyle to an agricultural one. However, it is likely that agriculture may
have been started to supplement the diet of the hunter-gatherers or
____________ .
Whatever the cause, domestication of plants began approximately
10,000 years ago in the ____________ and between 9,000 to 7,000 years
ago in ____________ . The first crops to be domesticated were the
____________ , followed by ____________ approximately 1,000 to
2,000 years later. The only major crop to be domesticated in the United
States is ____________ . Ans✓✓✓for spiritual reasons
Middle East
Asia and the New World
cereal grains
roots and legumes
