Species and Good Job

Quiz #1 (Pay attention to the answer key)

Question 1

In the scientific method, the condition which is deliberately changed is referred to as the D. experimental variable. Question 2

Which of the following is not a step in the scientific method? D. Scientific Law Question 3

When an organism's DNA is permanently altered, we say that it E. mutates.

Question 4

Which answer choice is not a defining characteristic of life? C. disorder Question 5

Which theory helps us understand why various species differ from one another, tells us to what diseases we are predisposed, and enables us to produce drugs for a variety of diseases? D. Gene

Question 6

Which structure can occupy up to 90% of the volume in a plant cell?
Correct

A. central vacuole

Question 7

Which cytoskeletal fibers are found in the internal structure of the cilia and flagella? D. Microtubules

Question 8

In mammalian species, what structure propels the movement of sperm cells? A. Flagellum Question 9

Which cell organelle which is responsible for processing, packaging, and the secretion of proteins? D. Golgi apparatus

Question 10

What is the function of secretory vesicles inside a cell?
Correct

A. move proteins between the Golgi apparatus and the plasma membrane Question 11

Besides mutation, which of the following is important in generating phenotypic differences? D. Sexual reproduction

Question 12

Structures which are fully developed in one group of organisms but reduced or possibly nonfunctional in a similar group are referred to as C. vestigial structures.

Question 13

Which of the following did Darwin suggest was the mechanism for evolution? C. Natural selection

Question 14

This individual's essay on population stated that populations tend to increase faster than the supply of food: