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Biology Questions - All Grades

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Grade 9 Biotic and Abiotic
Grade 7 Cell Structure and Function
What do the mitochondria do?
  1. make protein
  2. move materials
  3. break down food and release energy
  4. store food
Grade 3 Communities, Populations, and Ecosystems
An organism is
  1. a nonliving thing
  2. an individual living thing
  3. an animal that eats fruit and meat
  4. none of the above
Grade 7 Human Reproduction
Where does gestation occur?
  1. uterus
  2. placenta
  3. umbilical cord
Grade 9 Food Chains and Webs
Which of the following statements correctly describes an autotroph?
  1. It is an organism that makes its own food.
  2. It is an organism that eats other organisms.
  3. It is an organism that eats decaying matter.
  4. None of the above.
Grade 4 Respiration, Digestion, and Excretion
Food gives us                 .
  1. energy
  2. sunlight
  3. oxygen
  4. all of the above
Grade 7 Human Reproduction
The female sex cell is the
  1. Egg
  2. Ovary
  3. Testis
  4. Sperm
Grade 10 Anatomical Organization
Which of the following show the correct sequence of organization for living things?
  1. cell-organ-tissue-organ system
  2. organ-tissue-cell-organ system
  3. cell, organ system, organ, tissue
  4. cell-tissue-organ-organ system
Grade 7 Taxonomy
The science of classifying living things is known as
  1. Biology
  2. Taxonomy
  3. Taxidermy
  4. Ecology
Grade 9 Cell Structure and Function
You are looking through a microscope at an unknown organism. The organism appears to have a cell membrane, as well as a cell wall. What conclusions can you make about what type of cell it is?
  1. The cell cannot be from a eukaryotic organism
  2. The cell can be from a prokaryotic or eukaryotic organism
  3. The cell can only be a prokaryotic organism
  4. The cell cannot be from a prokaryotic organism
Grade 6 Skin, Skeleton, and Muscles
Grade 6 Cell Structure and Function
What is the function of the cell wall?
  1. It tells the cell what to do.
  2. It lets water pass in and out.
  3. It lets molecules pass in and out.
  4. It gives the plant structure and support.
Grade 10 Cell Structure and Function
Grade 6 Cell Structure and Function
A substance has to pass through various parts of a plant cell before reaching the nucleus. Which of the following shows the correct order of these parts?
  1. cell wall, cytoplasm, cell membrane
  2. cell wall, cell membrane, cytoplasm
  3. cell membrane, cell wall, cytoplasm
  4. cell membrane, cytoplasm, cell wall
Grade 5 Respiration, Digestion, and Excretion
Which system of the body helps you breathe?
  1. Circulatory
  2. Respiratory
  3. Digestive
  4. Excretory
Grade 5 Taxonomy
Insects are                
  1. invertebrates.
  2. vertebrates.
  3. reptiles.
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