1816963
Descrição
Quiz por Beth Moore, atualizado more than 1 year ago
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Criado por Beth Moore
quase 10 anos atrás
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Questão 1
Questão
How many species of angiosperm are there?
Responda
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2,500
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50,000
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250,000
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25,000
Questão 2
Questão
Which are part of the vegetative plant body?
Responda
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Leaves
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Sepals
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Roots
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Stem
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Stamen
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Carpel
Questão 3
Questão
When did angiosperms first arise?
Responda
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Devonian
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Cretacious
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Triassic
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Permian
Questão 4
Questão
Which of the following is a sister clade to the angiosperms?
Responda
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Bryophytes
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Gymnosperms
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Ferns
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Sphenopsids
Questão 5
Questão
How many seed leaves do Eudicots have?
Responda
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1
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2
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3
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4
Questão 6
Questão
Which of the following are Monocots?
Responda
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Lillies
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Daises
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Grasses
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Orchids
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Cacti
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Roses
Questão 7
Questão
Which of the following are characteristic of monocots?
Responda
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Parrallel vascular tissue
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Continuous ring of xylem and phloem near stem surface
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Cambium
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Singular seed leaf
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Triplocate pollen grain
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Adventitious root system
Questão 8
Questão
What is the function of the synergids?
Responda
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To form a nutrient rich endosperm
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To guide to germ tube to the egg cell
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There is no known function
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To form the tough seed coat
Questão 9
Questão
What fraction of the endosperm is paternal?
Responda
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0
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1/3
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1/2
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2/3
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1
Questão 10
Questão
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?
Responda
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S3 S4
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S2 S3
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S2 S6
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S1 S6
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S1 S4
Questão 11
Questão
In angiosperms the male gametophyte consists of a tube nucleus and a generative nucleus?
Responda
- True
- False
Questão 12
Questão
Which of these is not a signal to break dormancy in some angiosperms?
Responda
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Auxin
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Gibberellins
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Light
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Salinity
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Temperature
Questão 13
Questão
Imbibition is involved in seed germination?
Responda
- True
- False
Questão 14
Questão
Which of the following means dispersal by wind?
Responda
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Anemochory
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Zoochory
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Hydrochory
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Autochory
Questão 15
Questão
Which of the following is not a benefit of seed dormancy?
Responda
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reduces kin competition
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Avoids unfavourable conditions
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Allows dispersing agents time to act
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Gives the embryo more time to grow
Questão 16
Questão
How is fitness measured ?
Responda
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Seed number x Seed Mass
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Seed Mass x Offspring survival
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Seed number x Offspring survival
Questão 17
Questão
Which of the following are benefits to having large seeds?
Responda
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More resources for embrypo
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Greater stress tolerance
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Greater fitness
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Aggressive early growth
Questão 18
Questão
Which size seed is more beneficial in favourable environments?
Responda
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Small
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Large
Questão 19
Questão
How does camelina sativa var. linicola display Valivovian mimicry in relation to flax seeds?
Responda
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It has the same colour seed
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It has the same sized seeds
Questão 20
Questão
True or false? You would expect two identical plants sharing the same soil to increase root mass compared to seed mass?
Responda
- True
- False
Questão 21
Questão
True or false? An iteroparous species only reproduces once before death.
Responda
- True
- False
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