Carbohydrates

Question 1

Group
of compounds composed of carbon,
hydrogen, and oxygen.

Answer 1

Carbohydrates

Question 2

Fructose is a a (aldehyde or ketone)?

Answer 2

Ketone

Question 3

Simple sugar. Cannot yield another sugar unit upon HYDROLYSIS

Answer 3

Monosaccharide

Question 4

Simplest form of monosaccharide, which does
not occur free in nature

Answer 4

Diose

Question 5

Very common in plants and are the
products of hydrolysis of polysaccharides
like hemicelluloses, mucilages and gums

Answer 5

Pentoses

Question 6

Most important monosaccharide found in
plants; are the first detectable sugars
synthesized by plants and form the units
from which most of the polysaccharides
are constructed

Answer 6

Hexoses

Question 7

From incomplete hydrolysis of starch

Answer 7

Liquid glucose

Question 8

A ketohexose
* Ketone group is present in carbon 2

Answer 8

Fructose

Question 9

D- fructose the
sweetest monosaccharide, also known as?

Answer 9

Levulose

Question 10

Also known as fruit sugar?

Answer 10

Fructose

Question 11

Food for diabetic patients

Answer 11

Fructose

Question 12

Ingredient in infant feeding formula

Answer 12

Fructose

Question 13

Also known as brain sugar? Found in milk

Answer 13

Galactose

Question 14

Test for Galactose?

Answer 14

mucic acid test

Question 15

Compounds having the same chemical formula but
differ in the spatial arrangement around a single
carbon atom

Answer 15

Epimers

Question 16

Diagnostic aid in intestinal malabsorption. Due to the reason that it is absorbed in the small intestine but
does not undergo metabolism.

Answer 16

Xylose

Question 17

Also known as wood sugar?

Answer 17

Xylose

Question 18

A pentose that is a component of RNA and ATP

Answer 18

Ribose

Question 19

Sucrose is composed of?

Answer 19

Composed of Fructose and Glucose

Question 20

Known as table sugar?

Answer 20

Sucrose

Question 21

Latin name of “Sugar maple-“

Answer 21

Acer saccharum

Question 22

Latin name for “Sugar beets”?

Answer 22

Beta vulgaris

Question 23

Maltose is composed of?

Answer 23

Glucose + Glucose
* Reducing sugar

Question 24

Produced during the germination of barley

Answer 24

Maltose

Question 25

Milk sugar; obtained from cow’s milk Bos taurus Fam. Bovidae

Answer 25

Lactose

Question 26

Lactose is consists of?

Answer 26

Glucose + Galactose

Question 27

general test for Carbohydrate

Answer 27

Anthrone test

Question 28

Positive result of Anthrone test?

Answer 28

yields a blue or green solution

Question 29

1 gram of Carbohydrate = ?

Answer 29

4 kcal of Energy

Question 30

Test for Pentoses:

Answer 30

-Bials Test -Benzidine Test

Question 31

known as "corn sugar or grape sugar"

Answer 31

glucose

Question 32

C4 epimers w/ glucose

Answer 32

Galactose

Question 33

is the only disaccharide that occurs in free state

Answer 33

sucrose

Question 34

major degradation product of starch hydrolysis

Answer 34

maltose

Question 35

liquid left after skimmed milk is treated w/ rennin

Answer 35

whey

Question 36

partial evaporation in vacuum & consequent sterilization

Answer 36

condensed milk

Question 37

fermented milk

Answer 37

kumyss

Question 38

lactulose is consist of?

Answer 38

Fructose + Galactose (-1,4)

Question 39

laxative, to reduce straining in defecation

Answer 39

lactulose

Question 40

structural polysaccharides in animals & fungi

Answer 40

chitin

Question 41

present in Chitin that cannot be found in cellulose

Answer 41

Galacturonic acid

Question 42

Storage of Polysaccharide In plants reserve carbohydrate of plants

Answer 42

starch

Question 43

confirmatory test for starch

Answer 43

Iodine test

Question 44

TRUE OR FALSE? Amylopectin is the a-amylase. While Amylose is a b-amylose.

Answer 44

TRUE

Question 45

amylase enzyme in pancreatic juice & saliva

Answer 45

a-amylase = amylopectin

Question 46

removes maltose units from the non-reducing ends of polysaccharide molecules

Answer 46

b-amylase = amylose

Question 47

Unofficial Sources of Starch:

Answer 47

Arrow root ( Maranta Arundinacea)

Question 48

Antidote of iodine toxicity?

Answer 48

1% starch

Question 49

tacky proteins removed from corn & wheat in the preparation of starch

Answer 49

gluten

Question 50

Glycogen is stored in where?

Answer 50

stored in the liver & skeletal muscles

Question 51

Diagnostic aid to estimate GFR (Glomerular filtration rate)

Answer 51

Inulin

Question 52

used in culture media as a fermentative identifying agent for certain bacteria & in spinal laboratory methods for the evaluation of renal function

Answer 52

Inulin

Question 53

How many carboxylic acid in the "citric acid"

Answer 53

tricarboxylic acid

Question 54

Scientific name 'cherry juice"

Answer 54

Prunus cerasus

Question 55

 substance accumulates in the muscle as a result of vigorous exercise

Answer 55

Lactic acid

Question 56

acidulant in infant feeding formulation

Answer 56

lactic acid

Question 57

A test that is used to differentiate citric & tartaric acids citrates & tartrates

Answer 57

Denige's test

Question 58

TRUE OR FALSE. Tartaric acid is a "dicarboxylic acid"

Answer 58

TRUE

Question 59

by product of the wine industry

Answer 59

Tartaric acid

Question 60

an organic acid found in fruits of Averboa balimbi

Answer 60

Oxalic acid

Question 61

the residual dark colored syrup left upon crystallization of sucrose

Answer 61

molasses

Question 62

In making Wine, Tannin acts as?

Answer 62

Clarifying agent

Question 63

decrease intracranial pressure

Answer 63

Mannitol

Question 64

dried saccharine exudates of "Fraximus ornus"

Answer 64

Mannitol

Question 65

mountain ash (Gorbus acuparia)

Answer 65

Sorbitol

Question 66

half as sweet as sucrose

Answer 66

Sorbitol

Question 67

accumulates in lenses of diabetics & produces cataracts

Answer 67

sorbitol