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Cell Cycle, Mitosis, and Meiosis
Genetics
DNA to Proteins
Ecology
Ecology and Evolution
100
During normal mitotic cell division, a parent cell with a diploid number of four chromosomes will produce two daughter cells that are a. Haploid containing two chromosomes. b. Haploid containing four chromosomes. c. Diploid containing four chromosomes. d. Diploid containing eight chromosomes.
What is c. Diploid containing four chromosomes.
100
When Gregor Mendel crossed a true breeding tall plant with a short plant, the F1 plants inherited a. an allele for tallness from each parent. b. an allele for tallness from the tall parent and an allele for shortness from the short parent. c. an allele for shortness from each parent. d. an allele from only the tall parent.
What is b. an allele for tallness from the tall parent and an allele for shortness from the short parent.
100
Figure 2 shows gel electrophoresis, what is the main purpose for this technique? a. To make copies of DNA b. Separate DNA fragments by size c. Selective breeding d. Cloning organisms
What is b. Separate DNA fragments by size
100
Which of these describes the flow of energy through the food chain below? Sun → clover → field mice → garter snakes a. Directly from clover to garter snakes b. Directly from garter snakes to clover c. From clover to field mice to garter snakes d. From garter snakes to field mice to clover
What is c. From clover to field mice to garter snakes
100
Which of these is an example of primary succession? a. Glacier melting and exposing bare rock b. Farm turning into forest. c. Forest fire in a national park d. Flooding caused by massive hurricane
What is a. Glacier melting and exposing bare rock
200
Which of the following statements about the phases of mitosis is NOT correct. a. Prophase: chromosomes become visible b. Anaphase: Nucleolus reappears c. Metaphase: chromosomes line up in the middle of the cell d. Telophase: the two new nuclei are formed
What is b. Anaphase: Nucleolus reappears
200
A mutation that involves a single nucleotide is called a(an) a. chromosomal mutation. b. inversion. c. point mutation. d. translocation.
What is c. point mutation.
200
Using the codon wheel, which amino acids does the following mRNA sequence code for “AUGCCCGUCUGA”. a. Methionine, Proline, Valine, Stop b. Tyrosine, Alanine, Arginine, Leucine c. Tyrosine, Alanine, Arginine, Stop d. Methionine, Proline, Valine, Tryptophan
What is a. Methionine, Proline, Valine, Stop
200
In the following food chain, which organisms are autotrophs? Algae → mayfly → trout → bears a. Bears only b. Algae only c. Trout and bears d. Algae and mayflies
What is b. Algae only
200
Evolutionary fitness can be a result of … a. Natural Selection b. Adaptation c. Reproductive success d. All of the above
What is d. All of the above
300
Which pair is correct? a. G1 phase, DNA replication b. G2 phase, preparation for mitosis c. S phase, cell division d. M phase, cell growth
What is b. G2 phase, preparation for mitosis
300
Blood type is inherited through multiple alleles. One child has type A blood. If the father has type AB blood, what are all the possible phenotypes of the mother? a. O or A b. A or AB c. A, B, AB d. O, A, B, AB
What is d. O, A, B, AB
300
Which of the following is a nucleotide found in DNA? a. ribose + phosphate group + thymine b. ribose + phosphate group + uracil c. deoxyribose + phosphate group + uracil d. deoxyribose + phosphate group + cytosine
What is d. deoxyribose + phosphate group + cytosine
300
If producers in an ecosystem store 400,000 Calories of energy, about how much of that energy is available to the herbivores that eat the producers? a. 400 C b. 4,000 C c. 40,000 C d. 400,000 C
What is c. 40,000 C
300
Carbon cycles through the biosphere in all of the following processes EXCEPT: a. Photosynthesis b. Transpiration c. Burning of fossil fuels d. Decomposition of plants and animals
What is b. Transpiration
400
Gametes have a. homologous chromosomes b. twice the number of chromosomes found in body cells c. two sets of chromosomes d. one allele for each gene
What is d. one allele for each gene
400
Referring to the parents of individual 12 in the pedigree on the board, what must the genotype of individual 12 be? a. XCY b. XCXc c. XCXC d. XcY
What is b. XCXc
400
Due to advances in biotechnology, the growing season for corn is much longer than it was years ago. Which of the following is the best possible explanation for this? a. Corn has been crossbreed with a winter wheat to produce a corn/wheat hybrid b. More farms install heated irrigation lines to their fields c. Climate change decreased the growing season d. DNA plasmid that codes for resistant to cold temperatures has been inserted into the DNA of the corn
What is d. DNA plasmid that codes for resistant to cold temperatures has been inserted into the DNA of the corn
400
Which best describes the transfer of energy in a food web? a. The producers and consumers transfer energy among each other so that there is no energy loss within the food web. b. Some of the energy is lost to the environment as heat and there is an overall decrease in energy when it is transferred. c. Some of the energy is lost to the environment as heat and there is an overall increase in energy when it is transferred d. The consumers transfer energy stored in their bodies to the producers, which use the energy for life process.
What is b. Some of the energy is lost to the environment as heat and there is an overall decrease in energy when it is transferred.
400
According to Darwin’s theory of natural selection, individuals who survive are the ones best adapted for their environment. Their survival is due to the: a. Possession of adaptations developed through use b. Possession of inherited adaptations that maximize fitness c. Lack of competition within the species d. Choices made by plant and animal breeders
What is b. Possession of inherited adaptations that maximize fitness
500
If nondisjunction occurs during meiosis, a. only two gametes may form instead of four. b. some gametes may have an extra copy of some genes. c. the centrioles do not separate. d. it occurs during prophase.
What is b. some gametes may have an extra copy of some genes.
500
Which of the following is a practical use for gel electrophoresis? a. Determining paternity of a child. b. Comparing blood samples from crime scene. c. Used in conjunction with polymerase chain reaction (PCR). d. All of the above
What is d. All of the above
500
A certain sequence in DNA contains 30% Adenine, what are the correct percentages of the other three nitrogenous bases? a. T = 30% , G = 20% , C = 20% b. T = 20% , G = 20% , C = 30% c. T = 60% , G = 9% , C = 1% d. T = 30% , G = 25% , C = 15%
What is a. T = 30% , G = 20% , C = 20%
500
Which of the following would be a density independent limiting factor? a. A struggle for food, water, space, or sunlight b. Predator/prey relationships c. Eruption of the volcano d. Parasitism and disease
What is c. Eruption of the volcano
500
Define: population, community, and ecosystem
What is population = all members of the same species in an area; community = all living things in an area; ecosystem = all living and nonliving things in an area