Plant Structures & Reproduction

Which statement describes the role of flowers in plant survival?

• Flowers can absorb carbon dioxide for sugar production.

• Flowers produce oxygen through cellular respiration.

• Flowers contain cells that carry out photosynthesis.

• Flowers contain cells that produce gametes. (sex cells)

Tags

NGSS.MS-LS1-4

The diagram represents a flower, the reproductive structure of some plants. Most flowers have both male and female structures for fertilization and reproduction. Which structure is represented by the letter A in the diagram?

•  the stamen, a male structure which produces pollen
• the pistil, a female structure which collects pollen and passes it to the ovary
•  the sepal, a modified leaf used for protection of the flower
•  the petals, decorative structures which attract pollinators

Tags

NGSS.MS-LS1-4

Pollen is produced in the --

• pistil

• stamen

• ovary

• petal

The sticky structure on a flower that helps catch pollen is called a --

• sepal

• ovule

• pistil

• stigma

What is the most important reason flowers have bright-colored and sweet-smelling petals?

• To attract animals that eat flowers

• To make flower gardens, homes, and businesses beautiful

• To create business for flower shops

• To attract bees and other animals that help with pollination

Tags

NGSS.MS-LS1-4

Pollination takes place when pollen is transferred from the __________ to the _____________.

• sepal, petal

• stigma, stamens

• petal, sepal

• stamens, stigma

Which 2 statements are correct?

• Cross pollination can involve one flower if it is a perfect with both male and female parts

• Self pollination requires two flowers

• Cross Pollination results in more genetic diversity

• Self pollination is also known as sexual reproduction

Tags

NGSS.MS-LS3-2

This male reproductive structure is responsible for producing pollen.

• pistil

• filament

• anther

• stigma

This structure provides support for the Anther.

• Stigma

• Filament

• Stamen

• Pistol

The female reproductive structure in a flower. This structure contain the ovary (Ovule).

• Stigman

• Anther

• Stamen

• Pistil