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Ninth Grade (Grade 9) Biology Questions

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Grade 9 Protists and Fungi
Yeast are fungi that can reproduce through
  1. roots.
  2. budding.
  3. fruiting bodies.
  4. eggs and sperm.
Grade 9 Protists and Fungi
The clear, wet, gel-like cytoplasm found within the plasma membrane of an amoeba is called the
  1. endoplasm.
  2. pseudoplasm.
  3. microplasm.
  4. ectoplasm.
Grade 9 DNA, RNA, and Genetics
What is the corresponding strand of mRNA from the DNA strand 5’-GAATTACA-3’?
  1. CTTAATGT
  2. CUUAAUGU
  3. GAAUUACA
  4. AGGCCGTG
Grade 9 Cell Structure and Function
During which stage of meiosis does one complete set of double-stranded chromosomes form in each new nuclei?
  1. prophase 1
  2. metaphase 1
  3. anaphase 1
  4. telophase 1
  5. prophase 2
  6. metaphase 2
  7. anaphase 2
  8. telophase 2
Grade 9 Cell Structure and Function
Which of the following statements is true?
  1. Lysosomes are believed to have originated from the engulfment of bacteria specialized for digestion.
  2. The nuclear membrane is thought to have arisen from the plasma membrane invaginating around the DNA.
  3. Because bacteria do not have mitochondria, they cannot produce ATP in a membrane-dependent fashion.
  4. Chloroplasts and mitochondria share their DNA.
Grade 9 Nervous and Endocrine Systems
The image shows a diagram of a human ear. Which three letters represent the ossicles?
Ear Diagram
  1. A, B, C
  2. D, G, I
  3. E, F, H
  4. J, K, L
Grade 9 Respiration, Digestion, and Excretion
Which pair of letters in the diagram represents parts of the upper gastrointestinal tract?
Digestive System
  1. C and K
  2. D and F
  3. E and I
  4. L and M
Grade 9 Biochemistry
Which statement is NOT a reason why carbon is essential for life?
  1. One carbon atom can bond with up to four other atoms.
  2. Carbon can form long chains and complex shapes.
  3. Carbon can form single, double, and triple bonds.
  4. Carbon has a high electronegativity.
Grade 9 Skin, Skeleton, and Muscles
Smooth muscle is located only in the heart and is striated.
  1. True
  2. False
Grade 9 Respiration, Digestion, and Excretion
The main function of the large intestine is to remove water from waste.
  1. True
  2. False
Grade 9 Biochemical Pathways
In glycolysis, what does glucose break down into?
  1. NADH
  2. FAD
  3. pyruvic acid
  4. acetyl CoA
Grade 9 Macromolecules
Which food is an example of a saturated fat?
  1. butter
  2. potato
  3. olive oil
Grade 9 Macromolecules
Proteins are made up of monomers called
  1. amino acids.
  2. lipids.
  3. unsaturated fats.
  4. vitamins.
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