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Second Grade (Grade 2) Biology Questions

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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 2 Botany
Photosynthesis is
  1. a plant that has green leaves or needles.
  2. a process plants use to make food and oxygen.
  3. a gas in the air.
  4. how plants give off carbon dioxide.
Grade 2 Zoology
The biggest mammal is a(n)                .
  1. whale
  2. giraffe
  3. elephant
  4. cheetah
Grade 2 Botany
What is photosynthesis?
  1. a plant that has green leaves or needles
  2. a process plants use to make food and oxygen
  3. a gas in the air
Grade 2 Biomes
An environment where water covers the soil for most of the year is called a(n)                .
  1. ocean
  2. forest
  3. wetland
  4. mountain
Grade 2 Biotic and Abiotic
Tiny bits of dead                 and plants may be in soil.
  1. animals
  2. metal
Grade 2 Botany
Insects carry pollen from flower to                .
  1. dirt
  2. flower
  3. leaves
  4. ground
Grade 2 Nervous and Endocrine Systems
The part of the body that turns vibrations into sound is the                .
  1. eardrum
  2. brain
  3. nerve
  4. outer ear
Grade 2 Botany
The colored part of the flower are the                .
  1. leaves
  2. sepals
  3. petals
  4. stems
Grade 2 Botany
Living things need space to grow and live. Most plants grow in                .
  1. water
  2. homes
  3. sunlight
  4. soil
Grade 2 Zoology
A butterfly emerges from a(n)                .
  1. cocoon
  2. egg
  3. chrysalis
  4. cave
Grade 2 Skin, Skeleton, and Muscles
The skeleton is made of                .
  1. bones
  2. blood
  3. organs
  4. joints
Grade 2 Biotic and Abiotic
Soil is the                 for many animals.
  1. food
  2. home
Grade 2 Botany
How do stems help plants meet their basic needs?
  1. carrying water and nutrients from the roots to the leaves
  2. hold the plant in the ground
  3. have root hairs
Grade 2 Botany
Choose the things that a plant absorbs.
  1. water
  2. minerals
  3. seeds
  4. carbon dioxide
Grade 2 DNA, RNA, and Genetics
Which is the correct definition of the word offspring?
  1. the living things that come from a living thing
  2. what happens when a insect changes form
  3. a trait that is passed on from parents
Grade 2 Circulatory and Immune Systems
The way the heart circles blood around the body and back again is called                .
  1. heart rate
  2. heart beating
  3. circulation
  4. pumping
Grade 2 Biomes
An environment that has a dry climate is called a(n)                .
  1. ocean
  2. rainforest
  3. mountain
  4. desert
Grade 2 Taxonomy
What is a sea turtle's animal classification?
  1. amphibian
  2. reptile
  3. fish
  4. mammal
Grade 2 Skin, Skeleton, and Muscles
The bone that protects the brain is called the                  .
  1. ribs
  2. collarbone
  3. skull
  4. spine or backbone
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