FREE AND STUDY GAMES ABOUT BIO 101 EXAM

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FREE AND STUDY GAMES ABOUT BIO 101 EXAM

QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -40 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation

Question 1: Which of the following equations best summarizes photosynthesis?

Answer:

6 CO2 + 6 H2O ? C6H12O6 + 6 O2

Question 2: What compound directly provides energy for cellular work?

Answer:

ATP

Question 3: Photosynthetic organisms are ______.

Answer:

producers that make all their own organic matter from inorganic molecules

Question 4: An aerobic process requires ______.

Answer:

oxygen

Question 5: C4 plants conserve water by ______.

Answer:

keeping their stomata closed when the weather is hot and dry

Question 6: Where are photosystems located?

Answer:

thylakoid membrane

Question 7: CAM plants conserve water by ______.

Answer:

Opening their stomata only at night

Question 8: Electron transport takes place in the ______.

Answer:

mitochondria

Question 9: The Calvin cycle makes direct use of ______ to make ______.

Answer:

CO2, ATP, and NADPH... sugar

Question 10: Which of the following is an autotroph?

Answer:

pine tree Question 11: Large amounts of oxygen gas first appeared in Earth's atmosphere about ______ years ago.

Answer:

2.7 billion

Question 12: Human muscle cells use lactic acid fermentation to

Answer:

produce ATP without O2

Question 13: The color that we see when looking at a pigmented object is ______.

Answer:

the wavelengths that are reflected or transmitted by the pigmented objecT Question 14: What is one reason why plants have accessory pigment molecules, like chlorophyll b and carotenoids?

Answer:

to absorb energy in parts of the electromagnetic spectrum that chlorophyll a cannot

Question 15: ______ is the source of the oxygen gas released by a photosystem.

Answer:

H2O

Question 16: Which of the following are produced during cellular respiration?

Answer:

carbon dioxide, water, and ATP

Question 17: What is the function of stomata?

Answer:

gas exchange

Question 18: During redox reactions, ______.

Answer:

electrons are lost from one substance and added to another substance Question 19: Which of the following is the correct sequence of stages in cellular respiration?

Answer:

glycolysis, citric acid cycle, electron transport Question 20: The Calvin cycle requires ______ and ______ from the light reactions in order to operate.

Answer:

ATP... NADPH

Question 21: A product of glycolysis is ______.

Answer:

pyruvic acid Question 22: What must pyruvic acid be converted to before it can enter the citric acid cycle?

Answer:

acetyl CoA Question 23: The energy of wavelengths that appear ______ is least useful to photosynthesis.

Answer:

green

Question 24: What waste product do yeast produce under anaerobic conditions?

Answer:

ethyl alcohol

Question 25: The second stage of aerobic respiration is ______.

Answer:

the citric acid cycle Question 26: Which of the following is the source of electrons for the light reactions?

Answer:

H2O Question 27: Anaerobic respiration produces a maximum of ______ ATP per glucose.

Answer:

2

Question 28: The shorter the wavelength of visible light, the ______.

Answer:

greater the energy