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DNA, RNA, and Genetics Questions - All Grades

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Grade 10 DNA, RNA, and Genetics
Grade 10 DNA, RNA, and Genetics
What is the long name for DNA?
  1. deoxynucleic acid
  2. deoxyribonucleic acid
  3. denatured ribonucleic acid
  4. deoxoribonuclear acid
Grade 10 DNA, RNA, and Genetics
Why is DNA called the "blueprint of life?"
  1. it is like a fingerprint
  2. it has a blue color
  3. it contains the plans for building an organism
  4. it can relay messages to other molecules
Grade 10 DNA, RNA, and Genetics
The base pair rules states that                                                      .
  1. Replication is semiconservative
  2. A pairs with T, G pairs with C
  3. DNA is a double helix held together by hydrogen bonds
  4. A pairs with G, T pairs with C
Grade 9 DNA, RNA, and Genetics
In the ladder analogy of the DNA molecule, the "rungs" (steps) of the ladder are
  1. sugars
  2. phosphates
  3. paired nitrogenous bases
  4. joined sugar and phosphate
Grade 7 DNA, RNA, and Genetics
DNA makes up our                .
  1. Biosphere
  2. Organisms
  3. Cells
  4. Genes
Grade 7 DNA, RNA, and Genetics
The twisted shape of DNA is called a                .
  1. double ladder
  2. double helix
  3. nucleotide
  4. base pair
Grade 11 DNA, RNA, and Genetics
Mutations are a source of                     .
  1. genetic equilibrium
  2. disruptive selection
  3. speciation
  4. genetic variation
Grade 9 DNA, RNA, and Genetics
What is the backbone of the DNA chain?
  1. phosphate groups and sugars
  2. nucleotides
  3. hydrogen bongs and nitrogenous bases
  4. RNA
Grade 7 DNA, RNA, and Genetics
The sugar for DNA is called                .
  1. Deoxyribose
  2. Ribose
  3. Sucrose
  4. None of these
Grade 9 DNA, RNA, and Genetics
Where is DNA located in a cell?
  1. The Cytoplasm.
  2. The Mitochondria.
  3. The Nucleus.
  4. The Cell Wall.
Grade 9 DNA, RNA, and Genetics
Who discovered the double helix structure of DNA?
  1. Erwin Chargaff.
  2. James Watson and Francis Crick.
  3. Rosalind Franklin.
  4. Hershey and Chase.
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