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Worksheets

Tree Growth and Functions

Total questions: 25

Worksheet time: 13mins

Name
Class
Date
1.

What part of the tree carries water and nutrients from roots to leaves?

a)

Phloem

b)

Cambium

c)

Xylem

d)

Heartwood

2.

Which part of a tree is responsible for producing new cells for growth?

a)

Sapwood

b)

Cambium

c)

Outer bark

d)

Crown

3.

What is the primary function of the phloem?

a)

Support structure

b)

Photosynthesis

c)

Water transport

d)

Sugar transport

4.

The rough, protective layer on the outside of a tree is called:

a)

A) Cambium

b)

B) Inner bark

c)

C) Outer bark

d)

D) Sapwood

5.

Which type of root system spreads horizontally near the soil surface?

a)

A) Taproot

b)

B) Fibrous

c)

C) Woody root

d)

D) Root hairs

6.

A seedtree cut relies on:

a)

Controlled burns

b)

All trees being removed

c)

Natural seed dispersal from selected trees

d)

Mechanical planting

7.

Which method is a planned fire to reduce wildfire risk?

a)

Clearcutting

b)

Controlled burn

c)

Shelterwood

d)

Thinning

8.

What is one purpose of thinning a forest?

a)

Increase wildfires

b)

Eliminate all small trees

c)

Improve wildlife habitat

d)

Remove canopy

9.

Which part of a tree helps it store nutrients and anchor it to the ground?

a)

Leaves

b)

Trunk

c)

Roots

d)

Crown

10.

Which forest practice removes all trees at once?

a)

Thinning

b)

Clearcut

c)

Improvement cut

d)

Shelterwood

11.

Which tree part includes photosynthesis and gas exchange?

a)

Branch

b)

Leaf

c)

Bark

d)

Trunk

12.

Which tree structure protects against pests and weather?

a)

Sapwood

b)

Heartwood

c)

Inner bark

d)

Outer bark

13.

Why are growth rings important?

a)

They provide energy

b)

Show yearly growth

c)

Protect from disease

d)

Absorb sunlight

14.

What tree part contains buds for future growth?

a)

A) Twigs

b)

B) Cambium

c)

C) Sapwood

d)

D) Phloem

15.

Which of the following is not a danger to trees?

a)

A) Carbon sequestration

b)

B) Invasive species

c)

C) Wildfires

d)

D) Disease

16.

The crown of the tree helps:

a)

A) Anchor the tree

b)

B) Transport nutrients

c)

C) Shade and cool the area

d)

D) Store sugars

17.

What is the function of root hairs?

a)

Support trunk

b)

Carry oxygen

c)

Increase absorption

d)

Transport sugars

18.

Which cutting method allows large trees to act as seed trees?

a)

Clearcut

b)

Thinning

c)

Shelterwood

d)

Phloem cut

19.

Why are trees important for ecosystems?

a)

Produce oxygen

b)

Cause erosion

c)

Remove wildlife

d)

Increase heat

20.

What is a benefit of the heartwood?

a)

Photosynthesis

b)

Water transport

c)

Structural support

d)

Nutrient absorption

21.

Trees improve air quality by:

a)

A) Absorbing oxygen

b)

B) Producing smog

c)

C) Filtering pollutants

d)

D) Blocking sunlight

22.

Which method removes trees based on size?

a)

Clearcut

b)

Thinning

c)

Controlled burn

d)

Crown reduction

23.

What is arboriculture?

a)

Farming vegetables

b)

Caring for trees

c)

Fish management

d)

Grassland preservation

24.

What type of tree has conical crowns?

a)

Maple

b)

Pine

c)

Oak

d)

Elm

25.

Which part of a tree does not assist in nutrient transport?

a)

Sapwood

b)

Xylem

c)

Phloem

d)

Heartwood