Tree Basics: 25 MCQs with answers

B · Roots

Roots anchor the tree and absorb water and minerals from the soil.

C · To produce food through photosynthesis

Leaves contain chlorophyll and carry out photosynthesis, producing food for the tree.

B · Deciduous

Deciduous trees shed their leaves seasonally, typically in autumn.

B · Photosynthesis

Photosynthesis is the process where trees use sunlight, water, and carbon dioxide to produce food.

D · They reduce air pollution

Trees absorb pollutants and release oxygen, helping to reduce air pollution.

C · Bark

Bark is the outermost layer of the trunk that protects the tree from damage and disease.

A · Pine

Pine is a conifer, which means it produces cones and typically has needle-like leaves.

A · Carbon dioxide

Trees take in carbon dioxide and release oxygen during photosynthesis.

A · They retain their leaves year-round

Evergreen trees keep their leaves throughout the year, unlike deciduous trees.

A · True

Photosynthesis produces oxygen as a byproduct, which is released into the atmosphere.

B · False

Deciduous trees shed their leaves seasonally, usually in autumn, and grow new ones in spring.

A · To absorb water and nutrients

The correct option is right because roots are primarily responsible for absorbing water and nutrients from the soil.

C · Coniferous trees

The correct option is right because coniferous trees, such as pines and spruces, typically have needle-like leaves.

D · Wood

The correct option is right because the trunk is primarily composed of wood, which provides structural support.

B · Leaves

The correct option is right because leaves contain chlorophyll, which is essential for photosynthesis.

A · Deciduous trees

The correct option is right because deciduous trees are known for shedding their leaves in autumn.

A · They provide habitat for wildlife

The correct option is right because trees provide habitat and food for various wildlife species.

C · Evergreen trees

The correct option is right because evergreen trees retain their leaves throughout the year.

B · Bark

The correct option is right because bark is the protective outer layer of the tree trunk.

A · Branches

The correct option is right because branches serve as the connection between the roots and leaves.

B · To absorb sunlight

The correct option is right because leaves are primarily responsible for absorbing sunlight for photosynthesis.

B · They release water vapor through transpiration

Trees release water vapor into the atmosphere through transpiration, contributing to the water cycle.

C · Xylem

Xylem tissue conducts water and dissolved minerals upward from the roots to the rest of the tree.

B · Urbanization and agriculture

Deforestation is mainly driven by human activities such as clearing land for agriculture and urban development.

C · They provide habitat and food for many species

Trees offer shelter, nesting sites, and food for a wide variety of organisms, thus supporting biodiversity.