Unit 11 Review

An empress tree is a flowering plant. This tree's flowers have blue and violet markings. What is the main role of the colored markings on the flowers?

• To attract insects to carry pollen

• To protect the plant from the sun

• To produce pollen for reproduction

• To disperse seeds to other parts of the local environment

Tags

NGSS.MS-LS1-4

The cedar tree is a nonflowering plant. The peach tree is a flowering plant. Kellie explores the life cycles of both trees and discovers they are similar. What did she find was the order of events in the life cylce of both plants?

• Seed, pollination, seed dispersal, fertilization

• Pollination, seed, seed dispersal, fertilization

• Fertilization, pollination, seed, seed dispersal

• Pollination, fertilization, seed, seed dispersal

The red maple tree is a flowering plant. The longleaf pine tree is a nonflowering plant. Both trees go through various stages in their life cycles. Compare the life cycles of the two trees. Which stage occurs in the lives of both trees?

• Making fruits

• Making cones

• Making seeds

• Making flowers

Millions of honeybees have recently vanished from their hives throughout thee country. No one is sure why the bees have disappeared. However, many people are concerned. Why are people concerned about what is happening to the honeybees?

• Bees help with seed dispersal

• Bees pollinate many flowering plants

• Bees help protect seeds in nonflowering plants

• Bees protect seeds until they start to germinate into seedlings

Tags

NGSS.MS-LS2-4

Corry constructs the chart below to organize data. The chart lists some features of the greenbrier vine.

The life cycle of a greenbrier vine includes reproduction involving eggs and sperm. Which feature of the plant is sued for reproduction?

• Leaf

• Stem

• Flower

• Growth Pattern

Tags

NGSS.MS-LS1-4

Nathan wants to compare the life cycles of lime bean plants and radish plants. He plants both types of seeds in the same kind of soil. He keeps them at equal temperatures and gives them the same amount of water and light. He records how long it takes each plant to sprout What is Nathan comparing?

• Pollination

• Fertilization

• Germination

• Seed Dispersal

Students are testing conditions for germinating bean seeds. Which is the best way for them to study how the amount of water affects the germination of the bean seeds?

• Give the seeds no water and wait to see if any of the seeds will germinate

• Give the seeds large amount of water and watch to see if any of them will germinate

• Give the seeds different amounts of water and record when each seed germinates

• Give the seeds the same amount of water and watch to see which one germinates first

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Mario plants four bean seeds. He waters the first seed twice a day, the second seed once a day, the third seed every other day, and the fourth seed not at all. What is the tested variable in this investigation?

• The kind of seed

• The amount of water

• The germination rate

• The time of day the seed is watered

Tags

NGSS.MS-LS2-1

Imaine is comparing the effect of fertilizers on the growth of different plants. Which of the following does she need to carry out a controlled experiment?

• A plant that gets no fertilizer

• Seeds of different types of plants

• Plants that get different amounts of water

• A plan that is fertilized halfway through the experiment

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Yessica planted two radish seeds in the same kind of soil. She kept them at equal temperatures and gave them the same amount of water, but exposed them to different amounts of sunlight. What is Yessica trying to demonstrate?

• Soil affects plant growth rate

• Plants will grow when watered

• Temperature affects plant growth

• Sunlight affects plant growth rate

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1