Science-Cells, plants, animals-4th grade
  • 1. The basic unit of structure of all living things
A) embryo
B) cell
C) fungi
D) vertebrate
  • 2. This is an animal with a backbone.
A) arthropod
B) spore
C) fruit
D) vertebrate
  • 3. A tiny organism made up of one cell.
A) mold
B) invertebrate
C) microorganism
D) hyphae
  • 4. The part of a seed that contains a small plant.
A) cell
B) embryo
C) spore
D) microorganism
  • 5. An animal without a backbone.
A) invertebrate
B) arthropod
C) spore
D) mold
  • 6. A animal that has legs with several joints.
A) fundi
B) arthropod
C) mammal
D) mold
  • 7. Part of a flowering plant that protects the seed.
A) spore
B) fruit
C) mold
D) cell
  • 8. Living things such as mushrooms and mildew, that do not produce their own food.
A) cell wall
B) mitochondria
C) fungi
D) chloroplast
  • 9. Cottony fungus that can grow on bread.
A) mold
B) arthropod
C) mammal
D) fruit
  • 10. Cell that can grow into a new fungus.
A) egg
B) pine
C) cell
D) spore
  • 11. Threadlike parts of a mushroom that help it reproduce.
A) hyphae
B) mold
C) cell wall
D) vertebrate
  • 12. A worm is an example of
A) an arthropod
B) invertebrate
C) a mammal
D) a microorganism
  • 13. Which of the following is a type of fungus?
A) sponge
B) yeast
C) mitochondria
D) algae
  • 14. The green pigment that plants need to make food is—
A) hyphae
B) cytoplasm
C) algae
D) chlorophyll
  • 15. An example of a cone-bearing plant is the –
A) pine
B) banana
C) breadfruit
D) mango
  • 16. Which of the following is the “brain” of plant and animal cells?
A) cytoplasm
B) nucleus
C) embryo
D) vacuole
  • 17. Ants. Crabs, and spiders are—
A) vertebrates
B) mammals
C) microorganism
D) arthropods
  • 18. Which of the following is NOT a vertebrate?
A) snake
B) fish
C) snail
D) whale
  • 19. The seed of a fruit-bearing plant form in the plant’s—
A) leaves
B) roots
C) embryo
D) flowers
  • 20. Which tool do scientists use to observe a microorganism?
A) binoculars
B) telescope
C) tweezers
D) microscope
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