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Sixth Grade (Grade 6) Biology Questions

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Grade 6 Circulatory and Immune Systems
One job of the circulatory system is to transport                            to all the body cells.
  1. carbon dioxide and water
  2. oxygen and nutrients
  3. carbon monoxide and oxygen
  4. nutrients and water
Grade 6 Skin, Skeleton, and Muscles
The                 acts like a pad between the bones.
  1. cartilage
  2. joint
  3. ligament
Grade 6 Cell Structure and Function
This jelly-like substance is found in all cells.
  1. centrioles
  2. cytoskeleton
  3. chromosomes
  4. cytoplasm
Grade 6 Skin, Skeleton, and Muscles
Osteoporosis is a disease that causes
  1. warts.
  2. green skin.
  3. excess hair growth.
  4. weakened bones.
Grade 6 Skin, Skeleton, and Muscles
Select all the hinge joints.
  1. vertebrae
  2. hips
  3. shoulders
  4. elbows
  5. knees
Grade 6 Skin, Skeleton, and Muscles
Which bone is on the thumb side of your forearm?
  1. radius
  2. humerus
  3. ulna
  4. biceps
Grade 6 Taxonomy
Pictograph - Larva
To what kingdom does the organism pictured belong?
  1. Fungi
  2. Plantae
  3. Protista
  4. Animalia
Grade 6 DNA, RNA, and Genetics
Mutations are always bad for living things.
  1. True
  2. False
Grade 6 Microbiology
Protozoa live only in lakes and forests.
  1. True
  2. False
Grade 6 Cell Structure and Function
The diffusion of water molecules is
  1. engulfing.
  2. passive transport.
  3. diffusion.
  4. osmosis.
Grade 6 Skin, Skeleton, and Muscles
Skeletal muscles are
  1. smooth.
  2. bumpy.
  3. striated.
Grade 6 Protists and Fungi
A protist that cannot make its own food is
  1. autotropical.
  2. autotrophic.
  3. heterotropical.
  4. heterotrophic.
Grade 6 Ecology
The                 is the sphere inhabited by life.
  1. geosphere
  2. hydrosphere
  3. biosphere
  4. atmosphere
Grade 6 Skin, Skeleton, and Muscles
Involuntary muscles are muscles that you can control.
  1. True
  2. False
Grade 6 Skin, Skeleton, and Muscles
The skull protects the brain.
  1. True
  2. False
Grade 6 Biology
Any living thing is a(n)
  1. person.
  2. organism.
  3. cell.
  4. atom.
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