Plants

Which of the following is NOT a plant defense structure?

• thorns

• poison

• vascular structures

• chemical reactions

Which adaptation protects a cactus from predators?

• flowers

• spines (needles)

• thick stems

• small roots

If you look into a flower you can see tiny particles on the top of the stamen or anther. What is this?

• pollen

• bacteria

• protozoa

• fungus

What is the main purpose of fruit?

• seed nourishment

• seed protection

• seed production

• seed dispersion

Plant roots hold them into the soil. What other function do roots serve?

• removal of wastes

• air circulation

• production of food

• absorption of water

Which characteristic of plants make them different from animals?

• they are made of cells

• they can make their own food

• they can grow and develop

• they can reproduce

What is the purpose of flowers on plants?

• reproduction

• photosynthesis

• food storage

• collecting water and minerals

In a vascular plant, the tube that transports food throughout the stems and leaves is called…

• phloem

• xylem

• cambium

• cork

When pollen moves from the anther of a flower to the stigma, this is called:

• transpiration

• germination

• pollination

• respiration

A student saw a small group of tiny, green plants on a damp log of wood and found they had no roots, stems or leaves. Which of these plants was most likely observed by the student?

• ferns

• moss

• grass

• dandelions