BIO 198 Chapter 7 Study Guide

Campbell's Biology: Concepts and Connections, 7e (Reece et al.)
Chapter 7 Photosynthesis: Using Light to Make Food

7.1 Multiple-Choice Questions

1) What is the name given to organisms that can make their own food and thus sustain themselves
without consuming organic molecules derived from other organisms?
A) chemotrophs
B) heterotrophs
C) synthesizers
D) autotrophs
Answer: D
Topic: 7.1
Skill: Knowledge/Comprehension

2) Photoautotrophs
A) make sugar by using organic raw materials.
B) produce organic molecules from inorganic molecules.
C) eat other organisms that use light energy to make food molecules.
D) include only the green plants.
Answer: B
Topic: 7.1
Skill: Knowledge/Comprehension

3) Which of the following is an example of a photoautotroph?
A) cyanobacteria in freshwater and marine ecosystems
B) grizzly bears in Alaska
C) bacteria in our mouth
D) mushrooms growing on the side of a dead tree
Answer: A
Topic: 7.1
Skill: Application/Analysis

4) Autotrophs that utilize light as their energy source are
A) chemosynthetic autotrophs.
B) photoautotrophs.
C) fungi.
D) heterotrophs.
Answer: B
Topic: 7.1
Skill: Knowledge/Comprehension

!5) What is the likely origin of chloroplasts?
A) mitochondria that had a mutation for photosynthesis
B) photosynthetic prokaryotes that lived inside eukaryotic cells

, C) prokaryotes with photosynthetic mitochondria
D) eukaryotes that engulfed photosynthetic fungi
Answer: B
Topic: 7.1
Skill: Knowledge/Comprehension

6) In most green plants, chloroplasts are
A) concentrated in a zone of leaf tissue called the mesophyll.
B) concentrated in a portion of the leaf called the stroma.
C) evenly distributed throughout the leaf tissue.
D) evenly distributed throughout the entire plant.
Answer: A
Topic: 7.2
Skill: Knowledge/Comprehension

7) ________ cells in leaves are specialized for photosynthesis.
A) Companion
B) Mesophyll
C) Sclerenchyma
D) Tracheid
Answer: B
Topic: 7.2
Skill: Knowledge/Comprehension

8) CO2 enters and O2 escapes from a leaf via
A) stomata.
B) thylakoids.
C) grana.
D) stroma.
Answer: A
Topic: 7.2
Skill: Knowledge/Comprehension

9) In the chloroplast, sugars are made in a compartment that is filled with a thick fluid called the
A) stomata.
B) thylakoid.
C) matrix.
D) stroma.
Answer: D
Topic: 7.2
Skill: Knowledge/Comprehension

!10) Chloroplasts contain disklike membranous sacs arranged in stacks called
A) cristae.
B) thylakoids.
C) grana.
D) vacuoles.
Answer: C
Topic: 7.2