Question 1

Microsporangia in flowering plants are located in the

Accepted Answer

A)  stamen.
B)  carpel.
C)  petals.
D)  sepals.

Question 2

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

Accepted Answer

A)  dioecious
B)  monoecious
C)  complete
D)  wind-pollinated

Question 3

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;2030

Question 4

A mature,unfertilized ovule in an angiosperm is the result of

Accepted Answer

A)  a single meiotic division.
B)  a single mitotic division.
C)  both meiotic and mitotic divisions.
D)  mitosis from the megaspore mother cell.

Question 5

Which of the following plant seeds disperse by water?

Accepted Answer

A)  coconut
B)  dandelions
C)  maple
D)  puncture wine

Question 6

Which of the following pollinating agents is correctly matched with the type of plant it helps pollinate?

Accepted Answer

A)  water-terrestrial plants
B)  animals-aquatic plants
C)  wind-grasses
D)  sand-desert plants

Question 7

Which statement concerning grafting is correct?

Accepted Answer

A)  Stocks and scions refer to twigs of different species.
B)  Stocks and scions must come from unrelated species.
C)  Stocks provide root systems for grafting.
D)  Grafting creates new species.

Question 8

Where does meiosis occur in a flowering plant?

Accepted Answer

A)  megasporocyte
B)  microsporocyte
C)  pollen tube
D)  megasporocyte and microsporocyte

Question 9

Arrange the following stages in the life cycle of an angiosperm in a correct sequence.
i.gametophyte development
ii.double fertilization
iii.pollination
iv.seed development

Accepted Answer

A)  ii,i,iii,iv
B)  i,ii,iii,iv
C)  i,iii,ii,iv
D)  i,iv,iii,ii

Question 10

Plant biotechnology is an effective tool for

Accepted Answer

A)  reducing world hunger.
B)  increasing the import of oil.
C)  decreasing genetic diversity.
D)  increasing the incompatibility of fertilization.

Question 11

Transgenic plants (plants modified by biotechnology tools) are

Accepted Answer

A)  resistant for pests.
B)  likely to increase soil erosion.
C)  intolerant for pesticides.

Question 12

Which of the following could be considered an evolutionary advantage of asexual reproduction in plants?

Accepted Answer

A)  increased success of progeny in a stable environment
B)  increased agricultural productivity in a rapidly changing environment
C)  maintenance and expansion of a large genome
D)  production of numerous progeny

Question 13

Which of the following can cause abnormal development of floral parts?

Accepted Answer

A)  pollinators
B)  a mutation in a gene
C)  floral meristem
D)  apical meristem

Question 14

The pollen produced by wind-pollinated plants is often smaller than the pollen produced by animal-pollinated plants.A reason for this might be that

Accepted Answer

A)  wind-pollinated plants,in general,are smaller than animal-pollinated plants.
B)  wind-pollinated flowers don't need large pollen grains because they don't have to attract animal pollinators.
C)  small pollen grains can be carried farther by the wind.
D)  animal pollinators are more facile at picking up large pollen grains.

Question 15

Which of the following male reproductive organs in a dicot flower is haploid (n) ?

Accepted Answer

A)  stamen
B)  anther wall
C)  sperm cell
D)  anther

Question 16

The products of asexual reproduction in plants are

Accepted Answer

A)  clones,and they do not require the fusion of egg and sperm.
B)  genetically unidentical.
C)  clones,and they require the union of gametes.
D)  somatically different.

Question 17

Double fertilization means that

Accepted Answer

A)  flowers must be pollinated twice to yield fruits and seeds.
B)  every egg must receive two sperm to produce an embryo.
C)  one sperm is needed to fertilize the egg,and a second sperm is needed to fertilize the polar nuclei.
D)  every sperm has two nuclei.

Question 18

Which of the following "vegetables" is botanically a fruit?

Accepted Answer

A)  lettuce
B)  radish
C)  cabbage
D)  okra

Question 19

Which of the following is the correct sequence during the alternation of generations in the 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 → gametes

Question 20

Which of the following stages in the development of a male gametophyte is haploid (n) ?

Accepted Answer

A)  microsporocyte
B)  generative cell
C)  anther
D)  stamen

Exam 30: Reproduction and Domestication of Flowering Plants

Which of the following pollinating agents is correctly matched with the type of plant it helps pollinate?

Correct AnswerverifiedShow Answer

Plant biotechnology is an effective tool 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

The products of asexual reproduction in plants are

Correct AnswerverifiedShow Answer

Where does meiosis occur in a flowering plant?

Correct AnswerverifiedShow Answer

Microsporangia in flowering plants are located in the

Correct AnswerverifiedShow Answer

Which of the following male reproductive organs in a dicot flower is haploid (n) ?

Correct AnswerverifiedShow Answer

The pollen produced by wind-pollinated plants is often smaller than the pollen produced by animal-pollinated plants.A reason for this might be that

Correct AnswerverifiedShow Answer

Which of the following stages in the development of a male gametophyte is haploid (n) ?

Correct AnswerverifiedShow Answer

Transgenic plants (plants modified by biotechnology tools) are

Correct AnswerverifiedShow Answer

Arrange the following stages in the life cycle of an angiosperm in a correct sequence. i.gametophyte development ii.double fertilization iii.pollination iv.seed development

Correct AnswerverifiedShow Answer

Which statement concerning grafting is correct?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

A mature,unfertilized ovule in an angiosperm is the result of

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following "vegetables" is botanically a fruit?

Correct AnswerverifiedShow Answer

Which of the following plant seeds disperse by water?

Correct AnswerverifiedShow Answer

Which of the following could be considered an evolutionary advantage of asexual reproduction in plants?

Correct AnswerverifiedShow Answer

Double fertilization means that

Correct AnswerverifiedShow Answer

Which of the following can cause abnormal development of floral parts?

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
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