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Science Bowl Sample Questions : Biology

Science bowl biology sample questions contains sample questions related to biological terms like the characteristics and behaviors of organisms.

Following are some science bowl biology sample questions:

1. The purine bases are:
   1. adenine and guanine
   2. adenine and cytosine
   3. thymine and cytosine
   4. uracil, thymine, and cytosine

   Answer: A

2. Four chromatids would be considered a:
   1. mutation
   2. non-disjunction
   3. tetrad
   4. synapses

   Answer: C

3. Which of the following is NOT in the class insecta:
   1. bees
   2. moths
   3. fireflies
   4. spiders

   Answer: D

4. Plant cells differ from animal cells in that only plant cells possess:
   1. a nucleus
   2. mitochondria
   3. a cell wall
   4. lysosomes

   Answer: C

5. Which of the following has the lowest blood pressure:
   1. aorta
   2. carotid artery
   3. femoral artery
   4. posterior vena cava

   Answer: D

6. Barbara McClintock is famous for discovering which of the following:
   1. the structure of DNA with Watson and Crick
   2. introns
   3. jumping genes
   4. exons

   Answer: C

7. Which of the following is NOT true of the Calvin-Benson Cycle:
   1. it is also sometimes called the dark reactions of photosynthesis
   2. it is also sometimes called the light independent reactions of photosynthesis
   3. it converts energy trapped in the light reactions into sugar
   4. it does not require stores of potential energy

   Answer: D

8. Proteins made up of two or more polypeptide chains are said to possess:
   1. a resistance to denaturation
   2. a quaternary structure
   3. a tertiary structure
   4. an enzymatic refractory period

   Answer: B

9. The cytoskeleton of a cell is made of:
   1. microtubules, lignin, and microfilaments
   2. microtubules, intermediate filaments, and microfilaments
   3. microtubules, flagellin, and microfilaments
   4. pectins, intermediate filaments, and microfilaments

   Answer: B

10. A good light microscope has a resolving power of about:
    1. 0.5 millimeters
    2. 0 .5 nanometers
    3. 0.5 microns
    4. 5 nanometers

    Answer: C