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Ninth Grade (Grade 9) Biology Questions

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Grade 9 :: DNA, RNA, and Genetics by PMISIAS
The process by which RNA is made from DNA is called
  1. translation
  2. transcription
  3. replication
  4. respiration
Grade 9 :: Ecology by MNBaker
Grade 9 :: Cell Structure and Function by ALanter
The most basic unit of life is the
  1. Organ
  2. Tissue
  3. Cell
  4. Organelle
Grade 9 :: Cell Structure and Function by ALanter
Grade 9 :: Ecology by caryocs
Which is a biotic factor operating within an ecosystem?
  1. the type of climate in a given region
  2. the carnivores that consume other animals
  3. the amount of helium gas in the air
  4. the rate of flow of water in a river
Grade 9 :: Ecology by caryocs
Grade 9 :: Biochemistry by PMISIAS
Cellular respiration is
  1. The process of breaking down chemical energy stored in bonds into energy that can be used by the cell
  2. The process of creating food for the cell
  3. The process of combining oxygen and water to produce another substance to be transported
  4. The process of making proteins
Grade 9 :: Biochemistry by PMISIAS
Which of the following accurately describes the products of cellular respiration?
  1. carbon dioxide and water
  2. oxygen and carbon dioxide
  3. water and glucose
  4. glucose and oxygen
Grade 9 :: Biochemistry by PMISIAS
Which of the following most accurately describes the purpose of cellular respiration?
  1. to breakdown glucose into energy that can be used for cellular functions
  2. to breakdown usable energy into smaller parts
  3. to breakdown different types of substances to be used to build other parts of the cell
  4. all of the above
Grade 9 :: Botany by abrown1201
The phloem is vascular tissue that
  1. consists of dead tubular cells
  2. transports sugar from leaves to all parts of the plant
  3. is present only in stems
  4. transports water from roots to leaves
Grade 9 :: Botany by abrown1201
You can recognize that a plant is a dicot if it has
  1. netted veins
  2. one seed leaf
  3. parallel veins
  4. flower parts in multiples of three
Grade 9 :: Cell Structure and Function by PMISIAS
A student views cells from several different prokaryotic and eukaryotic organisms under a high-powered microscope. Which of the following statements describes how the prokaryotic cells appear different from the eukaryotic cells?
  1. The prokaryotic cells do not have a nucleus
  2. The prokaryotic cell are much larger
  3. The prokaryotic cells have mitochondria
  4. The prokaryotic cells have a less distinct shape
Grade 9 :: Biochemistry by PMISIAS
Which of the following accurately describes the 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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