P4 U1 Plant Systems Quiz p14-17

Why do some plants with weak stems coil around poles?

• To absorb water from the pole

• To climb higher and get more light

• To hide from predators

• To store extra food

What is the main function of sturdy, woody stems in plants?

• To attract pollinators

• To support the plant and help it grow upright

• To store excess water

• To change color in sunlight

How do plants with weak stems spread their leaves?

• By growing taller than other plants

• By creeping on the ground to get enough light

• By shedding leaves in dry seasons

• By curling up at night

How do water lettuce roots differ from Rain Tree roots?

• Water lettuce roots are strong and grow in soil.

• Water lettuce roots are hairy and grow in water.

• Rain Tree roots float on water.

• Rain Tree roots are short and waxy.

What is the purpose of Singapore’s "30 by 30" goal?

• To reduce plant diversity

• To produce 30% of the population’s food locally by 2030

• To cut down trees for urban development

• To import more food from other countries

How do community gardens help Singapore’s "City in Nature" vision?

• By replacing all wild plants with edible ones

• By strengthening communities and greening the city

• By using artificial plants to save water

• By banning all insects from gardens

The word "creep" (e.g., plants that creep on the ground) means:

• To grow very tall quickly

• To spread slowly along a surface

• To produce flowers overnight

• To absorb water from air

If a plant has "hairy roots," they are most likely:

• Thick and woody

• Thin and fuzzy, growing in water

• Brightly colored

• Sharp and spine-like

What does "sturdy" describe about Rain Tree roots?

• They are weak and flexible.

• They are strong and firmly anchored.

• They change color with seasons.

• They float in water.

The term "edible gardens" refers to gardens that grow:

• Only decorative flowers

• Plants safe for human consumption

• Poisonous plants for research

• Artificial grass