Benefits and Functions of Plants

The video explores the hidden wonders of plants, highlighting their role as master chemists through photosynthesis, which not only sustains life but also combats climate change by absorbing CO2. It delves into plant communication via root chemical signals and their defense mechanisms, such as the Mimosa and Venus flytrap. The symbiotic relationships between plants and fungi are discussed, along with the medicinal value of plants like aspirin and quinine. Finally, the video emphasizes the benefits of plants in urban areas, including improved air quality and mental health.

What is one of the hidden wonders of plants mentioned in the introduction?

• Their ability to change colors

• Their capacity to produce electricity

• Their intricate communication networks

• Their ability to fly

What is the primary role of photosynthesis in the ecosystem?

• To generate heat

• To convert sunlight into oxygen and glucose

• To convert oxygen into carbon dioxide

• To produce nitrogen

How do plants help in combating climate change?

• By releasing methane

• By producing more sunlight

• By absorbing carbon dioxide

• By increasing soil erosion

How do plants communicate with each other?

• Through sound waves

• By changing colors

• Through chemical signals via roots

• By moving their leaves

What is a defense mechanism of the Mimosa pudica plant?

• It emits a strong odor

• It grows thorns

• It folds its leaves when touched

• It changes its color

What happens when an insect triggers the Venus flytrap?

• The plant emits a loud noise

• The plant snaps shut to trap the insect

• The plant changes color

• The plant releases a toxin

What is the role of mycorrhizal fungi in plant relationships?

• They produce harmful chemicals

• They block sunlight from reaching plants

• They connect to plant roots to exchange nutrients

• They compete with plants for nutrients

Which modern medicine is derived from willow bark?

• Aspirin

• Penicillin

• Paracetamol

• Ibuprofen

How do plants improve urban air quality?

• By blocking sunlight

• By increasing noise levels

• By absorbing pollutants

• By releasing more carbon dioxide

What mental health benefit do plants provide in urban areas?

• They promote isolation

• They cause sleep disturbances

• They reduce anxiety and boost well-being

• They increase stress levels