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Tenth Grade (Grade 10) Biology Questions

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Grade 10 Macromolecules
Carbohydrates are made up of the three elements of
  1. nitrogen, oxygen, and hydrogen.
  2. carbon, hydrogen, and oxygen.
  3. sulfur, hydrogen, and oxygen.
  4. nitrogen, phosphorus, and oxygen.
Grade 10 Cell Structure and Function
A group of similar cells carrying out a job is a(n)
  1. tissue.
  2. organ.
  3. organ system.
  4. organism.
Grade 10 Cell Structure and Function
Which statement accurately describes osmosis?
  1. The direction of the water flow is opposite of the gradient for the solute diffusion.
  2. The direction of the water flow is the same as the gradient for the solute diffusion.
  3. The movement of particles of solute is from high concentration to low concentration when water cannot cross the cell membrane.
  4. The movement of particles across a cell membrane uses energy derived from ATP.
Grade 10 Evolution
Evolution is the
  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 organelle of a plant cell is most affected by direct sunlight?
  1. cell wall
  2. chloroplasts
  3. cell membrane
  4. vacuoles
Grade 10 Macromolecules
Which macromolecule holds genetic information?
  1. nucleic acids
  2. carbohydrates
  3. lipids
  4. proteins
Grade 10 Macromolecules
A carbohydrate is an organic compound because it contains
  1. phosphorus.
  2. carbon.
  3. hydrogen.
  4. oxygen.
Grade 10 DNA, RNA, and Genetics
The base pair rule states that
  1. replication is semiconservative.
  2. A pairs with T, and G pairs with C.
  3. DNA is a double helix held together by hydrogen bonds.
  4. A pairs with G, and T pairs with C.
Grade 10 Human Reproduction
Fertilization usually occurs in the
  1. ovary.
  2. Fallopian tubes.
  3. vagina.
  4. uterus.
Grade 10 Biology
Biology is the study of
  1. plants and animals.
  2. physics and chemistry.
  3. life.
  4. human life.
Grade 10 DNA, RNA, and Genetics
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
What takes place in the mitochondria?
  1. lipid synthesis
  2. photosynthesis
  3. cellular respiration
  4. intracellular digestion
Grade 10 Macromolecules
An organic compound made of sugar molecules is a
  1. carbohydrate.
  2. lipid.
  3. protein.
  4. nucleic acid.
Grade 10 Cell Structure and Function

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

Which description accurately describes the cell membrane?
  1. a single permeable layer of phospholipids that have hydrophobic heads and hydrophilic tails
  2. a semi-permeable double layer of phospholipids that have hydrophilic heads and hydrophobic tails
  3. a single permeable layer of phospholipids that have hydrophilic heads and hydrophobic tails
  4. a semi-permeable double layer of phospholipids that have hydrophobic heads and hydrophilic tails
  5. a barrier of polypeptides that prevents molecules from entering or leaving the cell
Grade 10 Cell Structure and Function
The correct sequence for meiosis is
  1. prophase, metaphase, anaphase, telophase.
  2. telophase, anaphase, metaphase, prophase.
  3. metaphase, anaphase, telophase, prophase.
  4. cytokinesis, telophase, interphase, prophase.
Grade 10 Anatomical Organization
Which series shows 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
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