Q: Which of the following equations correctly represents the overall process of photosynthesis?

$$6\ \mathrm{CO}_2 + 6\ \mathrm{H}_2\mathrm{O} + \text{light energy} \rightarrow \mathrm{C}_6\mathrm{H}_{12}\mathrm{O}_6 + 6\ \mathrm{O}_2$$

Question 1

Which of the following best describes a photoautotroph?

Accepted Answer

An organism that uses light energy to synthesize organic compounds from inorganic substances

Question 2

In which part of the chloroplast are the light-dependent reactions of photosynthesis primarily carried out?

Accepted Answer

Thylakoid membrane

Question 3

Which of the following is a correct description of a redox reaction?

Accepted Answer

A reaction involving the transfer of electrons from one molecule to another

Question 4

During the light reactions of photosynthesis, which of the following molecules are produced?

Accepted Answer

ATP, NADPH, and O$$_2$$

Question 5

What is the main function of the pigment chlorophyll a in the reaction center of a photosystem?

Accepted Answer

To capture solar energy and transfer excited electrons to the electron transport chain

Question 6

Which of the following best explains why siblings (excluding identical twins) from the same parents are not genetically identical?

Accepted Answer

They receive a similar but not identical combination of genes due to sexual reproduction

Question 7

Which of the following statements correctly distinguishes eukaryotic cells from prokaryotic cells?

Accepted Answer

Eukaryotic cells are generally larger, more complex, and contain a membrane-enclosed nucleus

Question 8

During which phase of the cell cycle do eukaryotic cells spend most of their life?

Accepted Answer

Interphase

Question 9

What is the primary event that occurs during metaphase of mitosis?

Accepted Answer

Chromosomes align at the cell's equator and attach to spindle fibers

Question 10

Which of the following is a unique feature of plant cell division compared to animal cell division?

Accepted Answer

Formation of a cell plate

Question 11

What is the main factor responsible for density-dependent inhibition in animal cells?

Accepted Answer

Physical contact with neighboring cells

Question 12

Which of the following best defines homologous chromosomes?

Accepted Answer

Two chromosomes in a nucleus that carry genes controlling the same inherited characteristics

Question 13

A scientist observes that a certain plant's leaves have a high concentration of chloroplasts in a specific tissue. Which tissue is this most likely to be?

Accepted Answer

Mesophyll

Question 14

Which of the following best describes the process of nondisjunction?

Accepted Answer

The failure of chromosome pairs or sister chromatids to separate properly during anaphase

Question 15

Which of the following equations correctly represents the overall process of photosynthesis?

Accepted Answer

$$6\ \mathrm{CO}_2 + 6\ \mathrm{H}_2\mathrm{O} + 	ext{light energy} ightarrow \mathrm{C}_6\mathrm{H}_{12}\mathrm{O}_6 + 6\ \mathrm{O}_2$$

Question 16

Which of the following best describes the role of ATP synthase in photosynthesis?

Accepted Answer

It phosphorylates ADP to form ATP using the energy from a proton gradient

Question 17

Which of the following is true about the products of the light reactions and their role in the Calvin cycle?

Accepted Answer

ATP and NADPH produced in the light reactions provide energy and electrons for the synthesis of glucose in the Calvin cycle

Question 18

Which of the following best describes the electromagnetic spectrum?

Accepted Answer

The range of all possible frequencies of electromagnetic radiation

Question 19

A mutation causes a plant to lack functional stomata. Which process would be most directly affected?

Accepted Answer

Exchange of gases (CO$$_2 in$$, O$$_2$$ out) with the atmosphere

Question 20

Which of the following events occurs during prophase of mitosis?

Accepted Answer

The mitotic spindle begins to form

Photosynthesis and Cellular Reproduction: Study Guide (Chapters 7 & 8)

Study Guide - Practice Questions

Study Guide - Flashcards