Q: Which of the following is the correct way to write a scientific name?

$\textit{Drosophila melanogaster}$

Question 1

Which of the following best describes the process of positive feedback regulation in biological systems?

Accepted Answer

A process in which the end product accelerates its own production, amplifying the response.

Question 2

A scientist observes that all the leaves on a tree are green. She hypothesizes that the tree produces chlorophyll. What is the next logical step in the scientific method?

Accepted Answer

Design and conduct an experiment to test the hypothesis.

Question 3

Which of the following is an example of emergent properties in biology?

Accepted Answer

The coordinated beating of cilia in a multicellular organism resulting in movement.

Question 4

Which of the following statements about prokaryotic and eukaryotic cells is INCORRECT?

Accepted Answer

Prokaryotic cells have a membrane-enclosed nucleus.

Question 5

A population of finches on an island is observed to have a variety of beak shapes. This variation is most likely due to:

Accepted Answer

Genetic differences among individuals.

Question 6

Which of the following is the correct way to write a scientific name?

Accepted Answer

$	extit{Drosophila melanogaster}$

Question 7

Which of the following is an example of inductive reasoning?

Accepted Answer

Hundreds of observed birds can fly, therefore all birds can fly.

Question 8

In an experiment to test the effect of temperature on sex determination in reptile embryos, which is the dependent variable?

Accepted Answer

Sex of the embryos

Question 9

A doctor is testing the effectiveness of a new antibiotic. He gives one group of patients a placebo, a second group receives antibiotic A, and a third group receives antibiotic B. Which group is the control group?

Accepted Answer

The group that received the placebo

Question 10

As energy flows through an ecosystem, most is lost to the surroundings as:

Accepted Answer

Heat

Question 11

Which of the following features are present at the ecosystem level?

Accepted Answer

All of the above

Question 12

Which of the following organisms are ultimately dependent on the sun as a source of energy?

Accepted Answer

All of the choices are ultimately dependent on the sun

Question 13

A cell is to a tissue as an atom is to a:

Accepted Answer

Molecule

Question 14

Organisms belonging to the same _____ would be the most closely related.

Accepted Answer

Family

Question 15

Which of the following best demonstrates unity among organisms?

Accepted Answer

The structure and function of DNA

Question 16

Which statement about subatomic particles is NOT true?

Accepted Answer

All electrons in an atom contain the same amount of energy.

Question 17

An atom has four electrons in its valence shell. What types of covalent bonds is it capable of forming?

Accepted Answer

Single, double, or triple bonds

Question 18

What is the atomic number of the cation formed in the reaction shown, where an atom loses one electron?

Accepted Answer

11

Question 19

Oxygen-18 is different from the typical oxygen atom in the periodic table because:

Accepted Answer

Oxygen-18 has 2 additional neutrons.

Question 20

Atoms have no electric charge because they have:

Accepted Answer

Equal numbers of protons and electrons.

General Biology: Foundations, Scientific Method, and Chemistry of Life

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