Multiple Choice

Question 0

When bonds are broken…

Answer 0

Energy is released.

Question 1

Fermentation is a(n) ______ process.

Answer 1

Anaerobic.

Question 2

To form ATP from ADP one of the following must occur.

Answer 2

Lose 2 phosphate groups.

Question 3

These molecules store the most energy.

Answer 3

Carbohydrates.

Question 4

Aerobic stages of respiration take place in the _________.

Answer 4

Mitochondria.

Question 5

Alcoholic fermentation produces 2 products. What are they?

Answer 5

Ethanol & carbon dioxide.

Question 6

Plants are considered to be…

Answer 6

Autotrophic.

Question 7

What is the net gain of ATP during glycolysis?

Answer 7

2

Question 8

The following equation best respects what process? C6H12O6 + 6O2 –> 6CO2 + 6H2O

Answer 8

Fermentation

Question 9

Some organisms do not need sunlight and instead use a process called…

Answer 9

Chemosynthesis.

Question 10

Glycolysis breaks down glucose in this substance.

Answer 10

Co-enzyme A.

Question 11

If oxygen is not available during glycolysis which of the following happens?

Answer 11

The process will enter fermentation.

Question 12

The Krebs Cycle takes place in the…

Answer 12

Mitochondrial Matrix.

Question 13

Why do we study digestion?

Answer 13

All of the above.

Question 14

_________ is the process of taking the digested portions of feed into the blood stream.

Answer 14

Absorption.

Question 15

What is the primary reason we feed concentrates?

Answer 15

High energy.

Question 16

What is the purpose of the cardia valve?

Answer 16

Prevents food from coming back into the esophagus.

Question 17

What type of digestive system does a camel have?

Answer 17

Ruminant.

Question 18

What section of the ruminant stomach collects foreign material?

Answer 18

Reticulum.

Question 19

What is the largest section of a ruminant’s stomach?

Answer 19

Rumen.

Question 20

What 2 gasses can accumulate in the reticulum?

Answer 20

CO2 & Methane.

Question 21

What organ allows animals like horses and rabbits to digest large amounts of roughages?

Answer 21

Cecum.

Question 22

What type of digestion system does a pig have?

Answer 22

Monogastric.

Question 23

Percentage of dry matter is one of the four things that affects Total digestible nutrients.of the following which is another factor.

Answer 23

All of the above.

Question 24

This is partially digested food from the stomach that can be found in both ruminants and nonruminant animals.

Answer 24

Chyme.

Question 25

Why can ruminants digest roughages easier than a non-ruminant animal?

Answer 25

Both A & B

Question 26

A common hormone used in beef cattle is...

Answer 26

Melange stroll acetate (MGA)

Question 27

The growth hormone estrogen is responsible for...

Answer 27

The development of the Female Reproductive Tract.

Question 28

Thyroxine is a growth hormone responsible for...

Answer 28

Regulating metabolism.

Question 29

Glucocortoids are produced by the adrenal gland and are responsible for...

Answer 29

Bone & muscle growth.

Question 30

The function of nutrients includes the following:

Answer 30

All of the above.

Question 31

Nutrition is...

Answer 31

The process of animals consuming and utilizing food.

Question 32

How many essential nutrients are there?

Answer 32

6

Question 33

Proper nutrition affects:

Answer 33

All of the above.

Question 34

Carbohydrates are fed to animals as a source of...

Answer 34

Energy.

Question 35

Fats can have more than ____ times the energy of carbs.

Answer 35

2

Question 36

_______ will only be used as energy when carbs and fats are not adequate in the diet.

Answer 36

Protein.

Question 37

What are the two types of minerals?

Answer 37

Macro & micro.

Question 38

Proteins are made up of...

Answer 38

Amino acids.

Question 39

What nutrient is the forgotten nutrient?

Answer 39

Water.

Question 40

The lining of the stomach is called the...

Answer 40

Epithelium.

Question 41

The stomach contains a digestive enzyme called pepsin. Pepsin's main role is to digest what nutrient?

Answer 41

Protein.

Question 42

Why are enzymes used?

Answer 42

Both A & B.

Question 43

What is the corpus luteum?

Answer 43

The structure that produces the hormones that support a fertilized egg.

Question 44

How does the vulva change during estrus?

Answer 44

It sweeps and becomes inflamed.

Question 45

A freemartin is...

Answer 45

An infertile heifer exposed to male hormones.

Question 46

Metritis is an infection of the...

Answer 46

Uterus.

Question 47

This hormone ends an estrus cycle.

Answer 47

PGF2a

Question 48

Hormones are...

Answer 48

Chemical messengers secreted by tissue and carried by blood to different tissue with a direct specific effect.

Question 49

Why does the body need two kinds of messenger systems?

Answer 49

One is for short term immediate messages; the other is for long term changes.

Question 50

These are the cells of the male reproductive tract that actually produce the sperm.

Answer 50

Sertoli cells.

Question 51

These cells produce testosterone.

Answer 51

Leydig cells

Question 52

What happens to sperm in the Epididymis?

Answer 52

It is mixed with nutritive substances and matured.

Question 53

What happens to sperm in the Vas Deferens?

Answer 53

It is kept unchanged until ejaculation.