Beth Moore
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Questions covering content from the three angiosperm lectures

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Angiosperms

Question 1 of 21

1

How many species of angiosperm are there?

Select one of the following:

  • 2,500

  • 50,000

  • 250,000

  • 25,000

Explanation

Question 2 of 21

1

Which are part of the vegetative plant body?

Select one or more of the following:

  • Leaves

  • Sepals

  • Roots

  • Stem

  • Stamen

  • Carpel

Explanation

Question 3 of 21

1

When did angiosperms first arise?

Select one of the following:

  • Devonian

  • Cretacious

  • Triassic

  • Permian

Explanation

Question 4 of 21

1

Which of the following is a sister clade to the angiosperms?

Select one of the following:

  • Bryophytes

  • Gymnosperms

  • Ferns

  • Sphenopsids

Explanation

Question 5 of 21

1

How many seed leaves do Eudicots have?

Select one of the following:

  • 1

  • 2

  • 3

  • 4

Explanation

Question 6 of 21

1

Which of the following are Monocots?

Select one or more of the following:

  • Lillies

  • Daises

  • Grasses

  • Orchids

  • Cacti

  • Roses

Explanation

Question 7 of 21

1

Which of the following are characteristic of monocots?

Select one or more of the following:

  • Parrallel vascular tissue

  • Continuous ring of xylem and phloem near stem surface

  • Cambium

  • Singular seed leaf

  • Triplocate pollen grain

  • Adventitious root system

Explanation

Question 8 of 21

1

What is the function of the synergids?

Select one or more of the following:

  • To form a nutrient rich endosperm

  • To guide to germ tube to the egg cell

  • There is no known function

  • To form the tough seed coat

Explanation

Question 9 of 21

1

What fraction of the endosperm is paternal?

Select one or more of the following:

  • 0

  • 1/3

  • 1/2

  • 2/3

  • 1

Explanation

Question 10 of 21

1

Some plants use S-genes to prevent self-fertilisation. Which of the following could a pollen grain with the s-genes 'S2' and 'S6' fertilise?

Select one or more of the following:

  • S3 S4

  • S2 S3

  • S2 S6

  • S1 S6

  • S1 S4

Explanation

Question 11 of 21

1

In angiosperms the male gametophyte consists of a tube nucleus and a generative nucleus?

Select one of the following:

  • True
  • False

Explanation

Question 12 of 21

1

Which of these is not a signal to break dormancy in some angiosperms?

Select one or more of the following:

  • Auxin

  • Gibberellins

  • Light

  • Salinity

  • Temperature

Explanation

Question 13 of 21

1

Imbibition is involved in seed germination?

Select one of the following:

  • True
  • False

Explanation

Question 14 of 21

1

Which of the following means dispersal by wind?

Select one of the following:

  • Anemochory

  • Zoochory

  • Hydrochory

  • Autochory

Explanation

Question 15 of 21

1

Which of the following is not a benefit of seed dormancy?

Select one of the following:

  • reduces kin competition

  • Avoids unfavourable conditions

  • Allows dispersing agents time to act

  • Gives the embryo more time to grow

Explanation

Question 16 of 21

1

How is fitness measured ?

Select one of the following:

  • Seed number x Seed Mass

  • Seed Mass x Offspring survival

  • Seed number x Offspring survival

Explanation

Question 17 of 21

1

Which of the following are benefits to having large seeds?

Select one or more of the following:

  • More resources for embrypo

  • Greater stress tolerance

  • Greater fitness

  • Aggressive early growth

Explanation

Question 18 of 21

1

Which size seed is more beneficial in favourable environments?

Select one or more of the following:

  • Small

  • Large

Explanation

Question 19 of 21

1

How does camelina sativa var. linicola display Valivovian mimicry in relation to flax seeds?

Select one of the following:

  • It has the same colour seed

  • It has the same sized seeds

Explanation

Question 20 of 21

1

True or false? You would expect two identical plants sharing the same soil to increase root mass compared to seed mass?

Select one of the following:

  • True
  • False

Explanation

Question 21 of 21

1

True or false? An iteroparous species only reproduces once before death.

Select one of the following:

  • True
  • False

Explanation

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