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Biology Questions - All Grades

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Grade 12 Human Reproduction
What system plays a vital role in the existence of the human species?
  1. Cardiovascular System
  2. Respiratory System
  3. Digestive System
  4. Reproductive System
Grade 10 Evolution
Evolution is
  1. process of maintaining homeostasis
  2. process that results in the increase of living material in an organism
  3. process of accumulating adaptations gradually over time
  4. none of the above
Grade 8 Human Reproduction
Which process involves the development and maturation of sex organs?
  1. fertilization
  2. puberty
  3. menstruation
  4. ovulation
Grade 8 Human Reproduction
Grade 6 Biotic and Abiotic
Grade 8 Human Reproduction
Grade 8 Cell Structure and Function
Grade 10 DNA, RNA, and Genetics
The base pair rules states that
  1. Replication is semiconservative
  2. A pairs with T, G pairs with C
  3. DNA is a double helix held together by hydrogen bonds
  4. A pairs with G, T pairs with C
Grade 10 Cell Structure and Function
The correct sequence for meiosis is:
  1. prophase, metaphase, anaphase, telophase, then repeat
  2. telophase, anaphase, metaphase, prophase, then repeat
  3. metaphase, anaphase, repeat, telophase, prophase, repeat
  4. cytokinesis, telophase, interphase, prophase
Grade 8 Food Chains and Webs
Grade 8 Human Reproduction
Grade 8 Cell Structure and Function
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