Section 1-4

Question 1

A seed plant is a plant that doesn’t produce its own seeds. True or False

Answer 1

This is false since all plants produce seeds.

Question 2

What is selective breeding in plants?

Answer 2

Selective breeding is when scientists choose certain plants to breed to make new species.

Question 3

Cuttings and graftings are the same thing. True or False?

Answer 3

False, a cutting are small pieces of a plant that still have a stem, grafting is when you attach one plant to another.

Question 4

Plants that don’t need seeds to reproduce are called suckers. True or False?

Answer 4

False, this is actually called vegetative reproduction.

Question 5

What four things do plants need to survive?

Answer 5

Light, water, space and nutrients.

Question 6

How is monoculture important to our economy?

Answer 6

Monoculture is the production of one type of plant which is then sold to make money.

Question 7

The yield of the plant is the amount of useful plant part per plant. True or False?

Answer 7

True

Question 8

Provide an example of a plant that has special adaptations to help it with its surroundings.

Answer 8

Answers may vary

Question 9

What are two of the 5 main nutrients a plant needs?

Answer 9

Nitrogen, phosphorous, potassium, calcium and magnesium.

Question 10

Plants with long stems that run across the surface of the ground are called ________.

Answer 10

Runners

Question 11

What is a plant called that grows off a stem of another plant?

Answer 11

A sucker

Question 12

What is a rhizome?

Answer 12

A plant that has stems that run underground.

Question 13

Biological control is when natural predators are used to kill invasive species. True or False?

Answer 13

True

Question 14

What’s the difference between a herbicide and a pesticide?

Answer 14

A pesticide is made to kill insects that harm the plants. Herbicides are made to kill invasive plants like dandelions.

Question 15

Diffusion is not used in osmosis. True or false?

Answer 15

False. Diffusion allows particles to move from a high concentration to a low concentration.

Question 16

Cellular respiration doesn’t need photosynthesis to function. True or False?

Answer 16

False, without any photosynthesis, the whole plant wouldn’t function.

Question 17

Photosynthesis uses chloroplasts to make energy for the plant. True or False

Answer 17

True

Question 18

Explain what osmosis is and explain why plants use it.

Answer 18

Osmosis is the transportation of water particles through a selectively permeable membrane using the process of diffusion. Plants use this as a way to get water to places the other processes cannot.

Question 19

What process allows water to travel through tiny tubes in the roots and stems, causing the particles to attract and transport?

Answer 19

Capillary Action

Question 20

Explain how transpiration intakes water.

Answer 20

Transpiration happens when water particles evaporate and are raised upwards, throughout the plant. These particles then travel up the stem

Question 21

What is the process that draws water from the plants roots called?

Answer 21

This process is called transportation.

Question 22

Stems provide a pathway for nutrients to get throughout the plant. True or False?

Answer 22

True

Question 23

What is a leaves main purpose?

Answer 23

Produces food, takes in carbon dioxide and releases oxygen, allows water to exit the plant

Question 24

What main structures are located in seeds?

Answer 24

An embryo, for reproduction, and food for the embryo.

Question 25

Plants aren’t necessary to all of the life on earth. True or false.

Answer 25

Answer: False they supply us with many things we rely on.

Question 26

What four categories can vegetation be classified across Canada.

Answer 26

a) forest, barren, tundra, and agriculture b) thick forest, thin forest, barren, and tundra c) tundra, forest, semi-barren, and barren

Question 27

Aboriginal people used plants for medicine, fiber and food. True or false

Answer 27

Answer: True ex: they used paintbrush to treat rheumatism

Question 28

Plants can be made into rubber and glue. True or false

Answer 28

True

Question 29

Living resources are living things that can be used for human needs. True or false

Answer 29

Answer: True ex: When we cut lumber it can be used as a place for recreation.

Question 30

Plants produce oxygen for us. True or false

Answer 30

Answer: True they produce it during photosynthesis

Question 31

We use more natural resources as our population grows. True or false

Answer 31

Answer: True more people means more for people.

Question 32

Can you make syrup out of birch tree sap?

Answer 32

Answer: You can it just has a different taste

Question 33

Name one thing you probably see or use in class a day that is made out of plants and name the plant.

Answer 33

Answer: Paper or a lead pencil they are made out of trees

Question 34

Can plants live in a barren place and if so name what plant?

Answer 34

Answer: Yes, it is a cactus

Question 35

What isn’t made from a plant. a) staple b) paper c) glue d) straw hat

Answer 35

Answer: a) staples are made out of metal not plants

Question 36

A t-shirt isn’t made of a plant. True or false

Answer 36

Answer: False a t-shirt is made of cotton

Question 37

What is the textbook made from?

Answer 37

Answer: The grade 7 textbook is made from plant fibres.

Question 38

Do plants make their own food?

Answer 38

Answer: Yes they make it out of h2o, co2, and sunlight.

Question 39

Can plants provide shelter?

Answer 39

Answer: Yes they do ex: trees trunks can provide shelter for a bird or chipmunks/squirrel

Question 40

Soil isn’t just made of dirt. True/False

Answer 40

True

Question 41

If you don’t think soil is made of just dirt, what else is it made of?

Answer 41

Water, oxygen, minerals

Question 42

What 3 things does rich soil have?

Answer 42

Nutrients, plenty of microorganisms, organic particles

Question 43

How can you determine the quality of soil? How moist it is, if plants grow well, etc.

Answer 43

How moist it is, if plants grow well, etc.

Question 44

How does soil contribute to the ecosystem and everyday life?

Answer 44

It contributes by letting plants grow and stay alive so they can give food to connect the ecosystem chain

Question 45

What would happen if a soil if you grew the same plant year after year?

Answer 45

The soil would eventually run out of nutrients that the plant can’t make itself and would eventually be unable to sustain life

Question 46

What type of soil do you think is best for your garden?

Answer 46

Answers vary. It depends of what type of soil the plants need.

Question 47

How can our practices improve or degrade our soil?

Answer 47

Answers vary. It depends on how people treat the soil and how it’s used.

Question 48

What is no-till farming? What are the advantages/disadvantages?

Answer 48

No-till farming is a method of farming crops that doesn’t involve plowing. Advantages and disadvantages vary.

Question 49

What changes have been made in technology to improve soil quality?

Answer 49

Answers vary.

Question 50

How does human use impact the soil now compared with 100 years ago?

Answer 50

Health advances improved over the years, and there are more