Plant Science - Flower Adaptations

Question 1

How would you describe a corymb inflorescence?

Answer 1

A flat-topped flowerhead where each pedicel is different in length.

Question 2

What is the term used when a plant cannot pollinate itself (using its own pollen)?

Answer 2

Self-incompatibility

Question 3

Name the petal adaptions which attract or benefit pollinators?

Answer 3

Bright colours
Nectar guides
Nectar
“Landing platforms”

Question 4

True or False: Pictorial meadows have one purpose - to look attractive.

Answer 4

False

Question 5

How does the timing of flowering in Cucurbita pepo (squash) promote cross-pollination?

Answer 5

The plants produce male flowers before producing female flowers, so pollination can only take place where there are multiple plants with overlapping flowering times

Question 6

What can attract insects and other pollinators from a distance, help them locate individual flowers and is also of benefit to humans in the garden?

Answer 6

Scent

Question 7

What aspects of flowers are important in garden design and plant selection?

Answer 7

Petal colour
Inflorescence type
Timing of flowering
Dioecy

Question 8

True or False: A plant which produces separate male and female flowers on the same plant is referred to as dioecious.

Answer 8

False - The answer is monoecious.

Question 9

What is a dioecious plant?

Answer 9

Dioecious plants have separate male and female flowers, but these are found on separate plants.

Question 10

What is a hermaphrodite plant?

Answer 10

Hermaphrodite plants have flowers with male and female parts in the same flowers.