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Biology Questions - All Grades

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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 8 Human Reproduction
Grade 8 Cell Structure and Function
Grade 8 Human Reproduction
Grade 9 Food Chains and Webs
Grade 8 Cell Structure and Function
Grade 8 Food Chains and Webs
Grade 9 Conservation and Biodiversity
If fish reproduce at a slower rate than the rate at which they are caught, how will their population change?
  1. It will decrease
  2. The fish will swim to other bodies of water
  3. It will not change
  4. It will increase dramatically
Grade 6 Biotic and Abiotic
Grade 9 Biochemical Pathways
Grade 9 Macromolecules
How do enzymes help chemical reactions to occur?
  1. They speed up reactions by adding more substrates to react with enzymes
  2. They slow down reactions by increasing the activation energy
  3. They speed up chemical reactions by lowering the activation energy required
  4. They slow down reactions by changing the overall temperature of the reaction
Grade 9 Biotic and Abiotic
Which of the following is a biotic factor operating within an ecosystem?
  1. The kind of climate in a given region
  2. Carnivores that eat other animals
  3. The concentration of hydrogen gas in the air
  4. The rate of water flow in a body of water
Grade 9 Biochemical Pathways
Which of the following are typically products of cellular respiration?
  1. carbon dioxide and water
  2. oxygen and carbon dioxide
  3. water and glucose
  4. glucose and oxygen
Grade 9 Evolution
Who founded the theory of evolution that involves natural selection?
  1. Jean-Baptiste Lamarck
  2. Ernst Haekel
  3. Charles Darwin
  4. Aristotle
Grade 8 Microbiology
Which of the following is considered to be smallest in size?
  1. bacterium
  2. red blood cell
  3. virus
  4. lymphocyte
Grade 9 Biochemical Pathways
Which of the following are typically products of photosynthesis?
  1. oxygen and carbon dioxide
  2. glucose and oxygen
  3. carbon dioxide and water
  4. water and glucose
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