Seeds
Flowers
Conifers
Plant Growth
Mixed Questions
100
Which part of a seed protects the embryo?
Seed Coat
100
Which part of a flower do seeds develop and grow?
Seeds develop and grow in the pistil.
100
The part of a tree that produces pollen or seeds is called what?
a cone
100
Name one way plants respond to gravity.
Roots respond to gravity by growing down. Stems resond by growing up.
100
What is the purpose of fruit?
Fruit protects the seed or seeds inside of it.
200
What is the name of a new developing plant?
An embryo.
200
What part of a flower produces pollen?
the stamen
200
What is the purpose of scales on a cone?
Scales protect the seeds under them.
200
Give an example of an adaptation that helps protect a plant.
Some plants protect themselves with thorns or by producing irritating chemicals.
200
What is a nurse log?
A nurse log is a log that feeds a seedling.
300
What is the new plant that develops from an embryo called?
A seedling
300
Which brightly colored part of a flower attracts insects and birds that pollinate flowers?
Petals
300
What kind of tress are green all year long?
Evergreens
300
How do plants respond to light?
Plants respond to light by growing toward it.
300
How long can the life cycle of some trees be? a) months b) hundreds of years c) 10 years
b) hundreds of years
400
What are the three parts of a seed?
The three parts are the seed coat, stored food, and embryo.
400
The process by which pollen reaches a pistil, which then allows a flower to produce seeds is called what?
Pollination
400
Which part of a flower does a cone act like?
A cone acts like the stamen of a flower.
400
How do the roots of a willow tree planted on a riverbank respond to water?
The tree roots that are closer to the river grow fater and in the direction of the water. The roots farther away from the water grow very slowly.
400
Besides growing from seeds, some plants can grow from what?
Bulbs
500
What three things do a seed need to germinate?
A seed needs warmth, air, and mositure to sprout or germinate.
500
The powdery material that is needed to make seeds is called what?
Pollen
500
Where is a good place for a seed to fall?
On a rotting log because it is rich in things that plants need to grow.
500
How is a cactus adapted to the desert?
A cactus does not need very much water because it has wide, shallow roots that allow it to take in rainwater quickly. It also has a thick waxy stem and thin needle-like leaves which keep the plant from losing water.
500
Explain how a forest fire can be part of the life cycle of a conifer.
Some cones need heat from a forest fire to release their seeds, which encourage forest regrowth. The cones produced by some conifers only open in high temperatures created by forest fires.
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