Functions and Roles of Plant Stems

The video tutorial explores the role of plant stems, highlighting their functions such as support, transport, and storage. It distinguishes between herbaceous and woody stems, and discusses their defensive properties. The tutorial also covers the various uses of stems in construction, as food, and as materials.

What is the primary role of a plant stem?

• To produce seeds

• To attract pollinators

• To support leaves, flowers, and fruits

• To absorb sunlight

Which of the following is NOT a function of plant stems?

• Providing support

• Producing flowers

• Storing food and water

• Transporting water and minerals

What type of stem is supported by water and tends to bend when water is scarce?

• Root stem

• Bark stem

• Herbaceous stem

• Woody stem

Which type of stem becomes tree bark when fully grown?

• Herbaceous stem

• Woody stem

• Fibrous stem

• Vascular stem

What defensive feature might a stem have to protect against herbivores?

• Flowers

• Thorns

• Roots

• Leaves

How do stems contribute to photosynthesis?

• By storing sunlight

• By being a site for photosynthesis

• By absorbing water

• By producing chlorophyll

Which of the following is a use of plant stems in industry?

• Making paper

• Breeding plants

• Producing seeds

• Creating perfumes

What is a common use of stems in the food industry?

• As a source of fat

• As a source of protein

• As a source of vitamins

• As a source of sugar

Which of the following is NOT a material derived from plant stems?

• Fiber for clothing

• Plastic

• Construction materials

• Charcoal

What role do stems play in the structure of a plant?

• They produce flowers

• They provide a place for root attachment

• They create a canopy for leaves

• They absorb nutrients