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Phytochemicals

Total questions: 80

Worksheet time: 3hrs 40mins

Name
Class
Date
1.

What are phytochemicals?

a)

chemicals found in plants

b)

compounds in plant that are biologically active but not nutritive

c)

compounds that give plants protection against disease

d)

Bioactive substance in plant that may be used as medicine

2.

Substance that are not from carotenoids family

a)

Alpha-carotene

b)

Lycopene

c)

Lutein

d)

Quercetin

3.

Extraction methods except:

a)

Maceration

b)

Percolation

c)

column chromatography

d)

Microwave assisted extraction

4.

Organosulfur compounds, except:

a)

Isothiocyanates

b)

Indoles

c)

Allylic sulfur compounds

d)

Catechin

5.

Flavonoid Subclasses except:

a)

Hydroxy-cinnamic acid

b)

Flavonols

c)

Anthocyanidins

d)

Isoflavonoids

6.

Source of lycopene:

a)

Tomatoes

b)

Watermelon

c)

pink grapefruit

d)

broccoli

7.

Quantitative Phytochemical analysis

a)

Wagner test

b)

Lead acetate test

c)

Ferric Chloride test

d)

Total phenolic compound

8.

Objective of phytochemical processing except:

a)

Remove unwanted materials

b)

To enhance its nutrition

c)

Adding economic value to plant materials

d)

To prevent degradation of phytochemicals

9.

Source of isoflavones except:

a)

Soybean

b)

Soy foods

c)

legumes

d)

carrot

10.

Oxidative stress

a)

compounds that inhibit oxidation

b)

Results of free radical reaction in the body

c)

Scavenge free radicals from the body's cell

d)

Detoxify harmful effect in the body

11.

What does NOT describe a phytochemical?

a)

found in plants

b)

compounds in plant that are biologically active but not nutritive

c)

compounds that give plants protection against disease

d)

compounds that create free radicals in the body

12.

Substance that are from beta carotenoids family (Choose TWO)

a)

Polyphenols

b)

Lycopene

c)

Lutein

d)

Monoterpenes

13.

Substance that are from beta carotenoids family (Choose TWO)

a)

Polyphenols

b)

Lycopene

c)

Lutein

d)

Monoterpenes

14.

Polyphenols (Choose TWO)

a)

Lemons

b)

pomegranates

c)

dark chocolate

d)

tomatoes

15.

Flavonoids (choose TWO)

a)

Spinach

b)

steak

c)

green tea

d)

butter

16.

Source of lycopene:

a)

Tomatoes

b)

Lemons

c)

pink grapefruit

d)

broccoli

17.

All are sources of isoflavones except:

a)

Soybean

b)

Soy foods

c)

legumes

d)

carrot

18.

Monoterpenes

a)

Dark Chocolate

b)

Tomatoes

c)

Blueberries

d)

Oranges

19.

Ellagic Acid

a)

Strawberries

b)

tomatoes

c)

Eggs

d)

garlic/onions

20.

Allium Compounds

a)

garlic/onion

b)

tomatoes/grapes

c)

apple/pear

d)

Soybean

21.

Organic molecules that help protect the body from harmful chemicals

a)

vitamins

b)

cancer

c)

free radicals

d)

antioxidants

22.

phyto means

a)

animal

b)

metabolism

c)

plant

d)

chemical

23.

Lutein plant pigment

a)

yellow

b)

reds

c)

blues

d)

purples

24.

Purples/Deep Red Color

a)

Anthocyanin

b)

Beta Carotene

c)

Lutein

d)

Chlorophyll

25.

Dark Chocolate

a)

Lycopene

b)

Polyphenol

c)

Lutein

d)

Monoterpene

26.

Spinach

a)

Polyphenols

b)

Lycopene

c)

Lutein

d)

Ellagic Acids

27.

raspberries

a)

Polyphenols

b)

lycopene

c)

Ellagic Acid

d)

Monoterpenes

28.

Beta Carotene color

a)

Yellow/Oranges

b)

Reds/Blues

c)

Purple

d)

Whites

29.

Circle the 3 Classes of Phytochemicals

a)

Phenolic Acid

b)

Flavonoids

c)

Chlorophly

d)

Lignans

30.

Who was the first to scientifically investigate a folk remedy

a)

Hippocrates

b)

Antoni van Leeuwenhoek

c)

William Withering

d)

Serturner

31.

Who was the first to scientifically investigate a folk remedy

a)

Hippocrates

b)

Antoni van Leeuwenhoek

c)

William Withering

d)

Serturner

32.

Which one of the following are active contents used for medicine in the plants

a)

Alkaloids

b)

Glycosides

c)

Polyphenols

d)

All of the above

33.

Which one of the following plant used for Heart disease

a)

Vinca

b)

Snakeroot

c)

Foxglove

d)

Taxus

34.

Which of the following parts used for phytochemical screening

a)

Leaves

b)

Flowers

c)

Roots

d)

All of the above

35.

Which one of the following are non polar solvents

a)

Ethanol

b)

Petroleum ether

c)

Methanol

d)

Butanol

36.

which one of the following are polar solvents

a)

Petroleum ether

b)

Alcohols

c)

Hexane

d)

Benzene

37.

Soxhlet Extraction is

a)

Polar extraction

b)

Semi-continuous extraction

c)

Continuous extraction

d)

Non-polar extraction

38.

Examples of Supercritical Fluid Extraction is

a)

Nitrogen

b)

Oxygen

c)

Carbon dioxide

d)

Methane

39.

Counter-Current Extraction is

a)

Solid-Solid extraction

b)

Liquid-Solid extraction

c)

Liquid-Liquid extraction

d)

Solid extraction

40.

Specific type of plant tissue that transports water and minerals from the roots, through the stems, to leaves

a)

vascular plant

b)

nonvascular plant

c)

xylem

d)

phloem

41.

Specific type of plant tissue that transports food (sugar) made in the leaves to the entire plant

a)

vascular plant

b)

nonvascular plant

c)

xylem

d)

phloem

42.

Type of plant that is usually taller (longer) and has vascular tissue (xylem and phloem) that provides support

a)

vascular plant

b)

nonvascular plant

c)

xylem

d)

phloem

43.

The process by which plants make food

a)

Photosynthesis

b)

phototropism

c)

embryo

d)

seeds

44.

Examples of these plants include mosses, liverworts, and other plants with no xylem or phloem

a)

dicot

b)

vascular plant

c)

monocot

d)

nonvascular plant

45.

This is what almost all non-flowering plants reproduce from (except cone bearing plants)

a)

spores

b)

seeds

c)

monocots

d)

dicot

46.

A type of plant with a seed that has one food storage area

a)

monocot

b)

dicot

c)

vascular

d)

nonvascular

47.

A type of plant with a seed that has two food storage areas

a)

monocot

b)

dicot

c)

vascular

d)

nonvascular

48.

Other than transporting water, what is a function of xylem?

a)

making food

b)

transporting food

c)

helping support the plant

d)

catching light

49.

Which of the following plants are considered nonvascular plants?

a)

Monocot Plants

b)

Dicot Plants

c)

Ferns

d)

Moss

50.

Almost all flowerless plants reproduce from which of the following:

a)

Spores

b)

Seeds

c)

Water

d)

Vascular

51.

Piperine on hydrolysis with aqueous potassium hydroxide to give

a)

piperic acid

b)

pipecolic acid

c)

formaldehyde

d)

tartaric acid

52.

Molecular formula for papaverine

a)

C20H21NO4

b)

C20H21NO2

c)

C20H20NO4

d)

C20H21NO

53.

The molecular formula of Piperine

a)

C17H19NO3

b)

C17H19NO2

c)

C17H17NO3

d)

C19H19NO3

54.

Coniine on oxidation with KMnO4 yields

a)

picolinic acid

b)

conyrine

c)

pyridine

d)

tetramethylquinolizine

55.

what is the molecular formula of coniine

a)

C8H17N

b)

C8H17

c)

C8H18N

d)

C7H17N

56.

How the alkaloid are tested ?

a)

Sweet

b)

Bitter

c)

Salty

d)

Testless

57.

What is the nature of alkaloid?

a)

Acidic

b)

Basic

c)

Neutral

d)

All

58.

Alkaloids are not tested by-

a)

Tollen reagent

b)

Mayer’s reagent

c)

Wagner’s reagent

d)

Hager’s reagent

59.

Which one is not a group of alkaloids?

a)

Tropane

b)

Indole

c)

Lupinane

d)

Serine

60.

Which one is not true for alkaloids?

a)

They are poisonous agents

b)

They are reserve substances

c)

They do not make salt with acid

d)

They are regulatory growth factors

61.

What is the biological source of vinca

a)

Aerial part

b)

Root

c)

Leaves

d)

All of the above

62.

Vinca show adulteration with

a)

Terpenes

b)

Conessine

c)

Catharanthus longifolia

d)

All of the above

63.

Leaves of vinca are

a)

Petiolate

b)

Ovate in shape

c)

Acute apex

d)

All of the above

64.

Adulterant of R.serpentina are

a)

R.densiflora

b)

Pisum sativum

c)

R.perakensis

d)

Both a and c

65.

The chemical constituents of Rauwolfia are

a)

Reserpine

b)

Phytosterol

c)

Fatty acids

d)

All of the above

66.

Which of the following are free radicals? (multiple choice test)

a)

hydrogen peroxide (H2O2)

b)

singlet oxygen (O2)

c)

sodium hydroxide (NaOH)

d)

glucose

67.

Where have flavonoids found applications?

a)

as enzymes

b)

in medicine, for example in cancer therapy

c)

in catalysis and inorganic chemistry

d)

in the electronics industry

68.

Where can flavonoids be found?

a)

in meat and fish

b)

in plants, mainly fruits and vegetables

c)

they have to be synthesized

d)

they are produced in the human body

69.

Which of the following is not a flavonoid group?

a)

flavones

b)

flavonols

c)

flavanones

d)

ketons

70.
Is it monoterpenoid?
a)
Yes
b)
No
c)
I don't know
71.
This structure  consists of 2 isoprene units?
a)
Sure.
b)
Not at all.
c)
What is isoprene?
72.
This structure  consists of 3 isoprene units?
a)
Sure.
b)
No, it isn't.
c)
What is isoprene?
73.
Is it terpenoids?
a)
Yes, it is a monoterpene.
b)
No, it isn't. It is decaketide.
c)
No, it isn't. It is Phenylpropanoid.
74.
Which terpenene does this compound belong to??
a)
monoterpene
b)
sesquiterpene
c)
diterpene
75.
Is it monoterpenoid?
a)
Yes
b)
No
c)
I don't know. I give up!!
76.
How many isoprene units  in this structure?
a)
1
b)
2
c)
3
77.
This structure  consists of 2 isoprene units?
a)
Sure.
b)
Not at all.
c)
What is isoprene?
78.
Which terpene does this compound belong to??
a)
hemiterpene
b)
monoterpene
c)
diterpene
79.
What is a common blend of herbs and spices?
a)
chili powder
b)
thyme
c)
rosemary
d)
cilantro
80.
What is the most common variety of mint?
a)
catmint
b)
pineapple mint
c)
spearmint
d)
peppermint

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