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Fourth Grade (Grade 4) Botany Questions

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Grade 4 Botany
What scatters seeds?
  1. animals
  2. wind
  3. water
  4. all of the above
Grade 4 Botany
Spore cases in most ferns form on the underside of the fern leaves.
  1. True
  2. False
Grade 4 Botany
The bark protects the stem of a tree. Which human body organ has the same job as the bark of a tree?
  1. skin
  2. heart
  3. lungs
  4. stomach
Grade 4 Botany
A tiny cell that can grow into a new fern plant is a
  1. spore.
  2. pollen.
  3. bee.
Grade 4 Botany
Suppose a little boy plants a carrot seed. Despite being told by his entire family that the seed won't grow, the boy perseveres. Every day, he carefully weeds and waters the area where he planted the seed. A plant grows, and one day, the boy is rewarded with a big orange carrot. What caused the boy's carrot to grow so large?
  1. gravity
  2. water
  3. light
  4. all of the above
Grade 4 Botany
The petal is one of the separate, modified leaves, usually of a different color from the plant's other leaves, that form the outer part of a flower head.
  1. True
  2. False
Grade 4 Botany
In a nonvascular plant, water travels
  1. through the roots.
  2. through the sapwood.
  3. from cell to cell.
  4. through the flowers.
Grade 4 Botany
A leaflike part that protects a flower bud is a(n)
  1. sepal.
  2. ovary.
  3. pistil.
Grade 4 Botany
Conifers grow only one kind of cone.
  1. True
  2. False
Grade 4 Botany
During respiration, what is released for use by the plant?
  1. water
  2. energy
  3. carbon
  4. oxygen
Grade 4 Botany
Two types of roots are
  1. taproots and fibrous roots.
  2. long roots and short roots.
  3. bark roots and wood roots.
  4. soft roots and hard roots.
Grade 4 Botany
The process by which plants make food is                  photosynthesis                 .
Grade 4 Botany
Which part of a vascular plant has tubes for carrying water and food?
  1. bark
  2. seeds
  3. leaves
  4. heartwood
Grade 4 Botany
A                 has one seed leaf.
  1. dicot seed
  2. sepal
  3. monocot seed
Grade 4 Botany
Plants without roots, stems, or leaves are
  1. mosses (wort plants).
  2. locus.
  3. trees.
  4. flowers.
Grade 4 Botany
What gives plants their green color?
  1. chloroplasts
  2. mitochondria
  3. carbon dioxide
  4. chlorophyll
Grade 4 Botany
What threadlike cells on a root take in water and nutrients from the soil?
  1. root hairs
  2. mosses
  3. threads
  4. stems
Grade 4 Botany
What statement is true about nonvascular plants? (Select all that apply.)
  1. They are small and they grow close to each other in moist places.
  2. They pass water from one cell to the next cell.
  3. They do not have a system of tubes to help support their organs.
  4. They can grow taller.
  5. Mosses, liverworts, and hornworts are example of nonvascular plants.
  6. Grasses, ferns, celery, dandelions, and trees are examples of vascular plants.
  7. Water and nutrients do not travel very far in the plant or very quickly.
  8. The tubes connect the leaves, stems, and roots, moving nutrients and water to all the plant organs.
Grade 4 Botany
A                 is a type of root that has one large central root.
  1. taproot
  2. fibrous root
  3. big root
Grade 4 Botany
A                 is a type of root that has a number of branching roots scattered throughout the earth below the plant.
  1. fibrous root
  2. taproot
  3. tree
  4. small root
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