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