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Biology Questions - All Grades

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Grade 2 Circulatory and Immune Systems
Which describes the heart?
  1. a muscle
  2. the size of your fist
  3. able to pump blood throughout your whole body
  4. all of these
Grade 5 Food Chains and Webs
The algae at the beginning of the food chain are
  1. consumers.
  2. decomposers.
  3. producers.
  4. heterotrophs.
Grade 5 Food Chains and Webs
The niche of a producer is to
  1. eat other consumers.
  2. provide food for carnivores.
  3. make carbon dioxide-oxygen.
  4. provide food for themselves and other organisms.
Grade 5 Cell Structure and Function
What two parts of the cell are different between an animal cell and a plant cell?
  1. cell wall and nucleus
  2. nucleus and cell membrane
  3. cell wall and chloroplast
  4. mitochondrion and chloroplast
Grade 5 Food Chains and Webs
Grade 4 Communities, Populations, and Ecosystems
Grade 10 DNA, RNA, and Genetics
What kind of structure is the molecule shown in the diagram?
DNA
  1. multi-strand
  2. ladder
  3. double helix
  4. double vertex
Grade 5 Food Chains and Webs
In an ecosystem, how are food webs and food chains different?
  1. Food webs begin with animals, and food chains begin with plants.
  2. Food webs rarely begin with plants, and food chains begin with animals.
  3. Food webs show the relationship between many different food chains in a single ecosystem.
  4. Food chains show the relationship between many different food webs in a single ecosystem.
Grade 5 Food Chains and Webs
Animals that hunt other animals to eat are
  1. prey.
  2. omnivores.
  3. predators.
  4. herbivores.
Grade 4 Adaptations and Behavior
Bird Beak - BuzzardBird Beak - Curlew
Different types of bird beaks are an example of
  1. food webs.
  2. weathering.
  3. learned behaviors.
  4. physical adaptations.
Grade 3 Adaptations and Behavior
Grade 5 Food Chains and Webs
Grade 5 Cell Structure and Function
What cell part produces food in the plant cell?
  1. cell wall
  2. nucleus
  3. chloroplast
  4. cell membrane
Grade 8 Cell Structure and Function
Grade 4 Communities, Populations, and Ecosystems
Grade 5 Skin, Skeleton, and Muscles
Grade 3 Food Chains and Webs
Grade 5 Circulatory and Immune Systems
Grade 4 Adaptations and Behavior
The movement of an animal from one place to another as the seasons change is
  1. pollination.
  2. migration.
  3. hibernation.
  4. decomposition.
Grade 5 Biochemical Pathways
What does photosynthesis produce?
  1. oxygen and glucose
  2. water and sugar
  3. oxygen and proteins
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