Question 1

Apomixis is a mode of ________ in certain plants that allows hybrid plants to sustain their genome and pass it on to the next generation.

Accepted Answer

A)   vegetative reproduction
B)   asexual reproduction
C)   sexual reproduction
D)   fissionE) B) and C)
F) None of the above

Question 2

The following questions refer to the diagram of an embryo sac of an angiosperm shown in Figure 30.1.  Figure 30.1
-Based on Figure 30.1, which cell(s)  become(s)  the triploid endosperm?

Accepted Answer

A)   A
B)   B
C)   C
D)   DE) None of the above
F) A) and B)

Question 3

In flowering plants, pollen is released from the

Accepted Answer

A)   anther.
B)   stigma.
C)   carpel.
D)   filament.E) A) and D)
F) A) and C)

Question 4

What typically results from double fertilization in angiosperms?

Accepted Answer

A)   The endosperm develops into a diploid nutrient tissue.
B)   A triploid zygote is formed.
C)   Both a diploid embryo and triploid endosperm are formed.
D)   Two embryos develop in every seed.E) None of the above
F) C) and D)

Question 5

Which of the following is the correct order of floral organs from the outside to the inside of a complete flower?

Accepted Answer

A)   petals → sepals → stamens → carpels
B)   sepals → stamens → petals → carpels
C)   spores → gametes → zygote → embryo
D)   sepals → petals → stamens → carpels
E)   male gametophyte → female gametophyte → sepals → petalsF) C) and D)
G) B) and C)

Question 6

Which of the following is true about vegetative reproduction?

Accepted Answer

A)   It involves both meiosis and mitosis to produce haploid and diploid cells.
B)   It produces vegetables and not fruits.
C)   It involves meiosis only.
D)   It produces clones of the parent plant.E) All of the above
F) A) and B)

Question 7

Which of the following is the correct sequence of processes that takes place when a flowering plant reproduces?

Accepted Answer

A)   meiosis → fertilization → ovulation → germination
B)   fertilization → meiosis → nuclear fusion → formation of embryo and endosperm
C)   meiosis → pollination → nuclear fusion → formation of embryo and endosperm
D)   growth of pollen tube → pollination → germination → fertilizationE) B) and C)
F) None of the above

Question 8

"Golden Rice"

Accepted Answer

A)   is resistant to various herbicides, making it practical to weed rice fields with those herbicides.
B)   is resistant to a virus that commonly attacks rice fields.
C)   includes bacterial genes that produce a toxin that reduces damage from insect pests.
D)   has a modified genome that includes transgenes that lead to an increased vitamin A content.E) A) and D)
F) None of the above

Question 9

Which of the following is the correct sequence during the alternation of generations life cycle in a flowering plant?

Accepted Answer

A)   sporophyte → meiosis → gametophyte → gametes → fertilization → diploid zygote
B)   sporophyte → mitosis → gametophyte → meiosis → sporophyte
C)   haploid gametophyte → gametes → meiosis → fertilization → diploid sporophyte
D)   sporophyte → spores → meiosis → gametophyte → gametesE) B) and D)
F) B) and C)

Question 10

Seeds develop from

Accepted Answer

A)   receptacles.
B)   fertilized eggs.
C)   ovary
D)   ovules.E) A) and B)
F) None of the above

Question 11

Microsporangia in flowering plants are located in the

Accepted Answer

A)   stamen.
B)   carpel.
C)   petals.
D)   sepals.E) A) and B)
F) B) and C)

Question 12

You are studying a plant from the Amazon rain forest that shows strong self-incompatibility. To characterize this reproductive mechanism, you would look for

Accepted Answer

A)   ribonuclease (RNAase)  activity in stigma cells.
B)   RNA in the plants.
C)   pollen grains with very thick walls.
D)   carpels that cannot produce eggs by meiosis.
E)   systems of wind, but not insect, pollination.F) All of the above
G) D) and E)

Question 13

In the life cycle of an angiosperm, which of the following stages is diploid?

Accepted Answer

A)   megaspore
B)   generative nucleus of a pollen grain
C)   polar nuclei of the embryo sac
D)   microsporocyteE) B) and D)
F) A) and D)

Question 14

Due to the limitation of land and water resources on planet earth, biotechnology can help to increase the crop yields to meet human needs and demands in the years to come. Farmers have to produce ________% more grain per hectare to feed human population in ________.

Accepted Answer

A)   25; 2035
B)   40; 2030
C)   50; 2050
D)   20; 2030E) A) and B)
F) A) and C)

Question 15

In some angiosperms, other floral parts contribute to what is commonly called the fruit. Which of the following fruits is derived mostly from an enlarged receptacle?

Accepted Answer

A)   pea
B)   raspberry
C)   apple
D)   pineapple
E)   peachF) C) and D)
G) B) and E)

Question 16

Which of the following is a scientific concern related to creating genetically modified crops?

Accepted Answer

A)   Herbicide resistance may spread to weedy species.
B)   Beneficial insects may be harmed by eating pest species.
C)   Their adaptive advantages would allow them to overpower natural ecosystems.
D)   The monetary costs of growing genetically modified plants are significantly greater than those of traditional breeding techniques.E) A) and C)
F) None of the above

Question 17

Which of the following is an effective method to produce plants exhibiting hybrid vigor?

Accepted Answer

A)   self-pollination
B)   cloning
C)   tissue culture
D)   genetic engineeringE) None of the above
F) A) and D)

Question 18

In flowering plants, a mature male gametophyte contains

Accepted Answer

A)   two haploid gametes and a diploid pollen grain.
B)   a generative cell and a tube cell.
C)   two sperm nuclei and one tube cell nucleus.
D)   two haploid microspores.E) All of the above
F) A) and C)

Question 19

Which of the following is correctly paired with its life cycle generation?

Accepted Answer

A)   anther-sporophyte
B)   pollen-sporophyte
C)   embryo sac-gametophyte
D)   stamen-gametophyteE) C) and D)
F) A) and D)

Question 20

Which of the following types of plants are incapable of self-pollination?

Accepted Answer

A)   dioecious
B)   monoecious
C)   complete
D)   wind-pollinatedE) A) and B)
F) A) and C)

Exam 30: Reproduction and Domestication of Flowering Plants

Which of the following is true about vegetative reproduction?

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In flowering plants, a mature male gametophyte contains

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In some angiosperms, other floral parts contribute to what is commonly called the fruit. Which of the following fruits is derived mostly from an enlarged receptacle?

Correct AnswerverifiedShow Answer

Apomixis is a mode of ________ in certain plants that allows hybrid plants to sustain their genome and pass it on to the next generation.

Correct AnswerverifiedShow Answer

Which of the following is the correct sequence of processes that takes place when a flowering plant reproduces?

Correct AnswerverifiedShow Answer

The following questions refer to the diagram of an embryo sac of an angiosperm shown in Figure 30.1. Figure 30.1 -Based on Figure 30.1, which cell(s) become(s) the triploid endosperm?

Correct AnswerverifiedShow Answer

Seeds develop from

Correct AnswerverifiedShow Answer

"Golden Rice"

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In flowering plants, pollen is released from the

Correct AnswerverifiedShow Answer

Which of the following types of plants are incapable of self-pollination?

Correct AnswerverifiedShow Answer

Which of the following is the correct order of floral organs from the outside to the inside of a complete flower?

Correct AnswerverifiedShow Answer

In the life cycle of an angiosperm, which of the following stages is diploid?

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Microsporangia in flowering plants are located in the

Correct AnswerverifiedShow Answer

Which of the following is a scientific concern related to creating genetically modified crops?

Correct AnswerverifiedShow Answer

Which of the following is an effective method to produce plants exhibiting hybrid vigor?

Correct AnswerverifiedShow Answer

Which of the following is the correct sequence during the alternation of generations life cycle in a flowering plant?

Correct AnswerverifiedShow Answer

What typically results from double fertilization in angiosperms?

Correct AnswerverifiedShow Answer

You are studying a plant from the Amazon rain forest that shows strong self-incompatibility. To characterize this reproductive mechanism, you would look for

Correct AnswerverifiedShow Answer

Due to the limitation of land and water resources on planet earth, biotechnology can help to increase the crop yields to meet human needs and demands in the years to come. Farmers have to produce ________% more grain per hectare to feed human population in ________.

Correct AnswerverifiedShow Answer

Which of the following is correctly paired with its life cycle generation?

Correct AnswerverifiedShow Answer

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Due to the limitation of land and water resources on planet earth, biotechnology can help to increase the crop yields to meet human needs and demands in the years to come. Farmers have to produce % more grain per hectare to feed human population in .

Correct Answer
verified

Correct Answer
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