Q: Which equation correctly represents the process of aerobic cellular respiration?

$$\mathrm{C_6H_{12}O_6$} + 6\mathrm{O_2$} \rightarrow 6\mathrm{CO_2$} + 6\mathrm{H_2O} + \text{energy}$$

Question 1

Which of the following is NOT one of the five fundamental characteristics of life?

Accepted Answer

Presence of a nucleus

Question 2

Pasteur’s experiment disproved spontaneous generation by demonstrating that:

Accepted Answer

Microbes can arise only from pre-existing life

Question 3

Which statement best describes the principle of parsimony in phylogenetic tree construction?

Accepted Answer

The tree with the fewest evolutionary changes is preferred

Question 4

A scientist discovers a new organism that is unicellular, lacks a nucleus, and thrives in extreme heat. Which domain does this organism most likely belong to?

Accepted Answer

Archaea

Question 5

Which of the following best explains why common names are not useful for scientific discourse?

Accepted Answer

They can refer to multiple, unrelated species

Question 6

Which of the following is a correct application of Koch’s postulates?

Accepted Answer

Isolating a microbe from a diseased host and showing it causes disease in a healthy host

Question 7

Which equation correctly represents the process of aerobic cellular respiration?

Accepted Answer

$$\mathrm{C_6H_{12}O_6$} + 6\mathrm{O_2$} ightarrow 6\mathrm{CO_2$} + 6\mathrm{H_2O} + 	ext{energy}$$

Question 8

Which of the following is a synapomorphy that distinguishes Bacteria from Archaea?

Accepted Answer

Presence of peptidoglycan in cell walls

Question 9

A transmission electron microscope (TEM) differs from a scanning electron microscope (SEM) in that TEM:

Accepted Answer

Produces images of internal cell structures

Question 10

Which of the following best describes the difference between Lamarckian and Darwinian evolution?

Accepted Answer

Lamarck proposed inheritance of acquired traits; Darwin proposed natural selection of heritable traits

Question 11

Which of the following is NOT a reason why Archaea and Bacteria are considered experts of metabolism?

Accepted Answer

They possess membrane-bound organelles for energy production

Question 12

Which of the following is a correct statement about the Linnaean hierarchy?

Accepted Answer

It classifies organisms into nested groups based on shared characteristics

Question 13

Which of the following is a real-world example of adaptive radiation?

Accepted Answer

Darwin’s finches evolving different beak shapes on the Galápagos Islands

Question 14

Which of the following is a correct definition of a monophyletic group (clade)?

Accepted Answer

A group that includes an ancestor and all its descendants

Question 15

Which of the following is a correct statement about the Cambrian explosion?

Accepted Answer

It was a rapid diversification of animal body plans about 541 million years ago

Question 16

Which of the following is a correct interpretation of a scientific hypothesis?

Accepted Answer

A testable statement that explains a phenomenon or set of observations

Question 17

Which of the following is a correct description of endospores?

Accepted Answer

Dormant, tough, non-reproductive structures formed by some bacteria to survive harsh conditions

Question 18

Which of the following is a correct statement about the role of cyanobacteria in Earth’s history?

Accepted Answer

They were responsible for oxygenating the atmosphere through photosynthesis

Question 19

Which of the following is a correct way to distinguish between primary and secondary scientific literature?

Accepted Answer

Primary literature reports original research; secondary literature summarizes and interprets research

Question 20

Which of the following is a correct statement about the difference between scanning electron microscopy (SEM) and light microscopy?

Accepted Answer

SEM provides detailed images of cell surfaces at much higher magnification than light microscopy

General Biology Exam 1 Study Guide: Life, Evolution, Phylogenies, Prokaryotes, and Lab Skills

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