TOPIC 17 DAY 5 PLANT REPRODUCTION

Jenny is comparing the reproductive structures of different species in the plant kingdom. Which structures would be most useful for determining angiosperm from gymnosperms?

• Xylem and phloem.

• Stomata and guard cells

• Anthers and pistils.

• Fruits and cones.

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The diagram above shows a flower.

Which parts of the flower are male reproductive structures?

• parts A and B

• parts C and D

• parts E and F

• parts D, E, and F

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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 produce gametes.

• Flowers contain cells that carry out photosynthesis.

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The diagram above 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 above?

• the stamen, a male structure which produces pollen

• the stigma, 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

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What is the main purpose of seeds in plants that have them?

• To protect and distribute the plant embryo.

• To entice animals to eat the plant.

• To be fertilized by other plants.

• To store water for the mother plant.

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