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

$$C_6H_{12}O_6$ + 6\ \text{O}_2 \rightarrow 6\ \text{CO}_2 + 6\ \text{H}_2\text{O} + \text{ATP}$$

Q: Which formula represents the calculation of pH in a solution?

$$\text{pH} = -\log_{10}[\text{H}^+]$$

Question 1

Which of the following best describes the scientific method as outlined in the syllabus?

Accepted Answer

A cyclical process involving observation, hypothesis formation, experimentation, and analysis.

Question 2

Which equation correctly represents the process of cellular respiration?

Accepted Answer

$$C_6H_{12}O_6$ + 6\ 	ext{O}_2 ightarrow 6\ 	ext{CO}_2 + 6\ 	ext{H}_2	ext{O} + 	ext{ATP}$$

Question 3

Which of the following is NOT a characteristic of living organisms as described in the syllabus?

Accepted Answer

Ability to photosynthesize

Question 4

A student observes a cell under a microscope and notes the presence of a nucleus, mitochondria, and chloroplasts. Which kingdom does this cell most likely belong to?

Accepted Answer

Plantae

Question 5

Which of the following best explains the role of enzymes in biological reactions?

Accepted Answer

Enzymes act as catalysts, lowering the activation energy and speeding up reactions.

Question 6

Which formula represents the calculation of pH in a solution?

Accepted Answer

$$	ext{pH} = -\log_{10}[	ext{H}^+]$$

Question 7

Which of the following is a correct application of Mendel’s Law of Segregation?

Accepted Answer

Alleles for a trait separate during gamete formation, so each gamete receives only one allele.

Question 8

Which of the following is a real-world example of homeostasis?

Accepted Answer

A person sweating to cool down when overheated.

Question 9

Which of the following statements about ATP is correct?

Accepted Answer

ATP stores energy in its phosphate bonds.

Question 10

Which of the following best describes the relationship between photosynthesis and cellular respiration?

Accepted Answer

Photosynthesis produces glucose and oxygen, which are used in cellular respiration to produce ATP.

Question 11

A monohybrid cross between two heterozygous pea plants ($$Tt 	imes Tt) $$results in which phenotypic ratio?

Accepted Answer

3:1

Question 12

Which of the following is a function of the mitochondria in eukaryotic cells?

Accepted Answer

ATP production through cellular respiration

Question 13

Which of the following is a correct statement about prokaryotic cells?

Accepted Answer

Prokaryotic cells lack a nucleus.

Question 14

Which of the following best describes the function of ribosomes?

Accepted Answer

Ribosomes synthesize proteins from amino acids.

Question 15

Which of the following is an example of a polysaccharide?

Accepted Answer

Starch

Question 16

Which of the following is a correct application of the Punnett Square for a dihybrid cross ($$AaBb 	imes AaBb$$)?

Accepted Answer

The expected phenotypic ratio is 9:3:3:1.

Question 17

Which of the following is a correct statement about diffusion?

Accepted Answer

Diffusion is the movement of molecules from an area of high concentration to low concentration.

Question 18

Which of the following is a real-world example of osmosis?

Accepted Answer

Water moving into a plant cell causing it to swell.

Question 19

Which of the following is a correct statement about the structure of DNA?

Accepted Answer

DNA is a double helix composed of nucleotides.

Question 20

Which of the following best describes the process of mitosis?

Accepted Answer

Mitosis results in two genetically identical daughter cells.

Principles of Biology: Core Concepts and Study Guide

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