Angiosperms

Description

Questions covering content from the three angiosperm lectures
Beth Moore
Quiz by Beth Moore, updated more than 1 year ago
Beth Moore
Created by Beth Moore over 9 years ago
101
1

Resource summary

Question 1

Question
How many species of angiosperm are there?
Answer
  • 2,500
  • 50,000
  • 250,000
  • 25,000

Question 2

Question
Which are part of the vegetative plant body?
Answer
  • Leaves
  • Sepals
  • Roots
  • Stem
  • Stamen
  • Carpel

Question 3

Question
When did angiosperms first arise?
Answer
  • Devonian
  • Cretacious
  • Triassic
  • Permian

Question 4

Question
Which of the following is a sister clade to the angiosperms?
Answer
  • Bryophytes
  • Gymnosperms
  • Ferns
  • Sphenopsids

Question 5

Question
How many seed leaves do Eudicots have?
Answer
  • 1
  • 2
  • 3
  • 4

Question 6

Question
Which of the following are Monocots?
Answer
  • Lillies
  • Daises
  • Grasses
  • Orchids
  • Cacti
  • Roses

Question 7

Question
Which of the following are characteristic of monocots?
Answer
  • Parrallel vascular tissue
  • Continuous ring of xylem and phloem near stem surface
  • Cambium
  • Singular seed leaf
  • Triplocate pollen grain
  • Adventitious root system

Question 8

Question
What is the function of the synergids?
Answer
  • 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

Question 9

Question
What fraction of the endosperm is paternal?
Answer
  • 0
  • 1/3
  • 1/2
  • 2/3
  • 1

Question 10

Question
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?
Answer
  • S3 S4
  • S2 S3
  • S2 S6
  • S1 S6
  • S1 S4

Question 11

Question
In angiosperms the male gametophyte consists of a tube nucleus and a generative nucleus?
Answer
  • True
  • False

Question 12

Question
Which of these is not a signal to break dormancy in some angiosperms?
Answer
  • Auxin
  • Gibberellins
  • Light
  • Salinity
  • Temperature

Question 13

Question
Imbibition is involved in seed germination?
Answer
  • True
  • False

Question 14

Question
Which of the following means dispersal by wind?
Answer
  • Anemochory
  • Zoochory
  • Hydrochory
  • Autochory

Question 15

Question
Which of the following is not a benefit of seed dormancy?
Answer
  • reduces kin competition
  • Avoids unfavourable conditions
  • Allows dispersing agents time to act
  • Gives the embryo more time to grow

Question 16

Question
How is fitness measured ?
Answer
  • Seed number x Seed Mass
  • Seed Mass x Offspring survival
  • Seed number x Offspring survival

Question 17

Question
Which of the following are benefits to having large seeds?
Answer
  • More resources for embrypo
  • Greater stress tolerance
  • Greater fitness
  • Aggressive early growth

Question 18

Question
Which size seed is more beneficial in favourable environments?
Answer
  • Small
  • Large

Question 19

Question
How does camelina sativa var. linicola display Valivovian mimicry in relation to flax seeds?
Answer
  • It has the same colour seed
  • It has the same sized seeds

Question 20

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

Question 21

Question
True or false? An iteroparous species only reproduces once before death.
Answer
  • True
  • False
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