North Carolina Biology EOC

North Carolina Biology EOC Sample

1 pt Chapter: 2 Standard: 1.2.2 DOK: 1

Which of the following figures depicts the first stage of mitosis?

1 pt Chapter: 5 Standard: 3.1.1 DOK: 2

A model of a DNA strand is shown below. Which of the following choices will correctly pair with the DNA sequence shown in the original model?

1 pt Chapter: 6 Standard: 3.2.2 DOK: 2

In rabbits, fur color and ear position are two genetic traits. The allele for producing brown fur (B) is dominant to the allele for producing white fur (b). The allele for producing straight ears (E) is dominant to the allele for producing floppy ears (e). Two rabbits that have the phenotype of brown fur and straight ears and the genotype (BbEe) were crossed. Use the completed Punnett square below to determine the probability of offspring that have white fur and floppy ears.

1 pt Chapter: 3 Standard: 2.1.3 DOK: 2

The fly Ormia ochracea is attracted to the song of the male cricket, using it to locate the male in order to deposit her young on him. The larvae promptly burrow into the cricket and eat him. What symbiotic relationship does this illustrate?

1 pt Chapter: 7 Standard: 3.3.1 DOK: 3

A horse breeder must confirm the lineage of a new foal in order to submit its pedigree. The diagram below shows DNA fingerprinting from the foal and its assumed father, Steeplechase. Which conclusion can you draw?