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Seventh Grade (Grade 7) Biology Questions

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Grade 7 Biochemical Pathways
The cell organelle where photosynthesis takes place is the                .
  1. cell wall
  2. nucleus
  3. vacuole
  4. chloroplast
Grade 7 DNA, RNA, and Genetics
The twisted shape of DNA is a                .
  1. double ladder
  2. double helix
  3. nucleotide
  4. base pair
Grade 7 Biotic and Abiotic
What are biotic factors?
  1. Earth's weather and climate
  2. Non-living parts of an ecosystem
  3. Living organisms in an ecosystem
  4. Landforms and waterfalls
Grade 7 Biotic and Abiotic
What are the nonliving parts of the ecosystem such as water, dirt, and air called?
  1. abiotic factors
  2. biomes
  3. biotic factors
  4. ecological factors
Grade 7 DNA, RNA, and Genetics
The letters "DNA" stand for                      .
  1. deoxyribonucleic acid
  2. ribonucleic acid
  3. deoxyribose sugar
  4. ribose sugar
Grade 7 Human Reproduction
The female sex cell is the                .
  1. egg
  2. ovary
  3. sperm
  4. testis
Grade 7 Biotic and Abiotic
Which of the following subsystems of the Earth contains plants and animals?
  1. atmosphere
  2. biosphere
  3. hydrosphere
  4. lithosphere
Grade 7 Evolution
Over a period of years, the average rainfall in an area decreases, causing environmental changes. Most likely to survive these environmental changes is a population                                                    .
  1. with a great amount of genetic variation.
  2. with very little genetic variation.
  3. that has been altered through artificial selection.
  4. with the smallest population size.
Grade 7 Taxonomy
The two-name classification system used to organize living things is                       .
  1. the classifying system
  2. biodiversity
  3. binomial nomenclature
  4. organism conservation
Grade 7 Human Reproduction
The mix of sperm cells and fluids is                .
  1. urine
  2. blood
  3. sweat
  4. semen
Grade 7 Cell Structure and Function

This question is a part of a group with common instructions. View group »

Diffusion and osmosis are both forms of
  1. active transport.
  2. passive transport.
  3. respiration.
  4. photosynthesis.
  5. glycolysis.
Grade 7 Cell Structure and Function
Which structure is found ONLY in plant cells?
  1. cell membrane
  2. cytoplasm
  3. nucleus
  4. chloroplast
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 7 Cell Structure and Function
What is the movement of water across a semipermeable membrane?
  1. hypotonicity
  2. osmosis
  3. diffusion
  4. respiration
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