4/16 Science Assessment

1. Which statement correctly describes how chromosomes function in an organism?

a. the chlorophyll in chromosomes helps produce sugars for energy.

b. the patterns of chromosomes are color-coded for different ribosomes.

c. the codes in chromosomes determine what proteins the cells produce.

d. The number of chromosomes segments determines how proteins enter the cell.

2. Which statement explains describes why an offspring and its mother share many common traits?

a. the mother and the offspring both have mitochondria.

b. the mother and the offspring both have identical nuclei

c. the mother provided half of the offspring’s chromosomes

d. the mother provided all of the offspring’s chromosomes.

3. What is the importane of the chromosomes?

a. it produced energy for the cell

b. it assembles proteins for the cell

c. it contains the genetic instructions to control cell processes.

d. it synthesizes proteins used for chemical reactions in the cell.

4. Which trait is not determined by chromosomes?

a. height

b. gender

c. eye color

d. hair length

5.  Which statement describes both biotic and abiotic factors?

a. the ecosystem contains aquatic plants and fish

b. the ecosystem contains flying insects and land plants.

c. the ecosystem contains sand on the pond bottom and plants on the shore.

d. the ecosystem contains the rocks on the pond bottom and oxygenated water.