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Tenth Grade (Grade 10) Biology Questions

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Grade 10 Cell Structure and Function
Which of these accurately describes osmosis?
  1. The direction of the water flow is opposite of the gradient for the solute diffusion.
  2. The movement of water across a membrane. The solute is not permitted to diffuse by the membrane. The direction of the water flow is the same as the gradient for the solute diffusion.
  3. The movement of particles of solute from high concentration to low concentration when water cannot cross the cell membrane.
  4. The movement of particles across a cell membrane using energy derived from ATP
Grade 10 Cell Structure and Function
Grade 10 Cell Structure and Function
Where do most of a cell's chemical reactions take place?
  1. Nucleus
  2. Vacuole
  3. Cytoplasm
  4. Centriole
Grade 10 Cell Structure and Function
Grade 10 Cell Structure and Function
What is the function of the vacuole in a plant cell?
  1. control cell functions
  2. traps sunlight
  3. gives support
  4. holds water and gives shape
Grade 10 Macromolecules
Of what are nucleic acids made?
  1. Sugars
  2. Fatty acids
  3. Nucleotides
  4. Amino Acids
Grade 10 Macromolecules
An enzyme speeds up a reaction by                               .
  1. absorbing energy
  2. lowering the activation energy
  3. raising the activation energy
  4. releasing energy
Grade 10 Cell Structure and Function
The percentage of a solute in a cell is 35% outside and 65% inside. What will be the behavior of the water?
  1. Move into the cell
  2. Move out of the cell
  3. Move in/out equally
  4. Evaporate
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 10 Cell Structure and Function
Which of the following cell parts have similar or related jobs?
  1. mitochondria and cell wall
  2. ribosomes and cell membranes
  3. mitochondria and chloroplasts
  4. nucleus and vacuole
Grade 10 Biology
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 10 Cell Structure and Function
Grade 10 DNA, RNA, and Genetics
Grade 10 Macromolecules
What type of macromolecules are the enzymes found in our bodies?
  1. lipids
  2. carbohydrates
  3. proteins
  4. nucleic acids
Grade 10 Macromolecules
Carbohydrates are made of which 3 elements?
  1. nitrogen, oxygen, and hydrogen
  2. carbon, hydrogen, and oxygen
  3. sulfur, hydrogen, and oxygen
  4. nitrogen, phosphorus, and oxygen
Grade 10 Biochemical Pathways
What are the products of cellular respiration?
  1. Carbon dioxide
  2. Water
  3. Energy
  4. All of the above
Grade 10 Biomes
All of life on Earth exists in                .
  1. the biosphere
  2. ecology
  3. a biome
  4. an ecosystem
Grade 10 Biochemical Pathways
Which of these are the product of photosynthesis?
  1. Carbon dioxide and water
  2. Oxygen and glucose
  3. Water, carbon dioxide, and ATP
  4. ATP and water
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