Question 1

Which of the following is NOT one of the five fundamental characteristics shared by all living organisms?

Accepted Answer

Ability to photosynthesize

Question 2

According to the cell theory, which statement is correct?

Accepted Answer

All organisms are made of cells and all cells come from preexisting cells

Question 3

Louis Pasteur’s experiment refuted which obsolete biological theory?

Accepted Answer

Spontaneous generation

Question 4

Which of the following best describes a scientific theory?

Accepted Answer

An explanation for a very general class of phenomena supported by a wide body of evidence

Question 5

The Central Dogma of molecular biology describes the flow of genetic information in cells. Which sequence correctly represents this flow?

Accepted Answer

$$DNA \rightarrow RNA \rightarrow Protein$$

Question 6

A mutation occurs in the DNA of a finch, changing the shape of its beak. Which of the following outcomes is most likely according to the principles of evolution?

Accepted Answer

The mutation may increase, decrease, or have no effect on the finch's fitness depending on the environment

Question 7

Which experiment would best test the food competition hypothesis for why giraffes have long necks?

Accepted Answer

Observing the height at which giraffes feed in the wild

Question 8

Which statement about natural selection is correct?

Accepted Answer

Natural selection requires heritable variation in traits

Question 9

In a population of beetles, green coloration is favored by birds. What will likely happen to the frequency of green beetles in the next generation?

Accepted Answer

The frequency of green beetles will decrease

Question 10

Which of the following is a direct implication of the cell theory?

Accepted Answer

All cells in a multicellular organism have descended from preexisting cells

Question 11

Which molecule is the hereditary material in chromosomes according to the chromosomal theory of inheritance?

Accepted Answer

DNA

Question 12

Which of the following is an example of adaptation?

Accepted Answer

A trait that increases the fitness of an individual in a particular environment

Question 13

Which of the following best describes a hypothesis in scientific research?

Accepted Answer

A proposed, testable explanation based on previous knowledge or observations

Question 14

Which of the following is a prediction in the context of scientific experimentation?

Accepted Answer

A measurable or observable result that must be correct if the hypothesis is valid

Question 15

Which of the following is true about genes?

Accepted Answer

Genes are segments of DNA that code for cell products

Question 16

Which of the following best explains why DNA must be copied before cell division?

Accepted Answer

To ensure each daughter cell receives a complete set of genetic information

Question 17

Which of the following is a consequence of a change in DNA sequence at the population level?

Accepted Answer

It leads to heritable variations that underlie the diversity of life

Question 18

Which of the following is NOT a requirement for natural selection to occur?

Accepted Answer

All individuals must be genetically identical

Question 19

Which of the following best describes a phylogenetic tree?

Accepted Answer

A diagram showing the evolutionary relationships among species

Question 20

Which of the following domains contains organisms that are more closely related to animals than to plants?

Accepted Answer

Domain Eucarya

Chapter 1: Biology – The Study of Life (Mini-Textbook Study Notes)

Study Guide - Practice Questions

Study Guide - Flashcards