Deck 32: Active Ingredients in Plants and Medicinal Properties

Question 1

Active ingredients in plants are defined as:

A)Correcting bodily functions
B)A restorative of body ailments
C)Preventing or curing diseases
D)Constituents having a medicinal action

Answer 1

Preventing or curing diseases

Question 2

According to international standards medicinal plants are those plants which have active ingredients in the range of:

A)10%
B)20%
C)40-60%
D)none of above

Answer 2

none of above

Question 3

The botanical name of Ispaghol is

A)Termanilia arjuna
B)Strychnus nuxvomica
C)Ocimum bacilum
D)Plantago ovata

Answer 3

Ocimum bacilum

Question 4

The most potential medicinal plant according to HOLY PROPHET (SAW) is

A)Babool
B)Zaitoon
C)Angeer
D)Kalongi

Question 5

Best yield of rose oil from rose petals is obtained by

A)Steam distillation
B)Vacuum distillation
C)Enflurage
D)Carbon dioxide extraction

Question 6

Aromatic biosynthesis in plants takes place by

A)Shikimic acid pathway
B)Acetate hypothesis
C)Both
D)None of above

Question 7

Tea leaves contains

A)Tannins
B)Alkaloids
C)Alkaloids and tannins
D)None of above

Question 8

Which plant contain cardio active glycoside

A)Digitalis spp.
B)Cardamom
C)Ginseng
D)Lemon spp.

Question 9

Coriander contain volatile oil

A)0.8%
B)1.8%
C)2.8%
D)5%

Question 10

Alkaloids are

A)Alkali like compounds
B)Neutral compounds
C)Basic compound
D)Complex nitrogen compound

Question 11

Molaurty is defined as number of moles of solute per

A)100 Liters of solution
B)10 liter of solution
C)1000 liter of solution
D)1 liter of solution

Question 12

In the case of uniform experimental material which experiment design is most suitable.

A)RCBD
B)Latin Square
C)CRD
D)None of above

Question 13

In case of two sources of variation, which experimental design is suitable.

A)CRD
B)RCBD
C)Latin Square
D)ANOVA

Question 14

In order to decrease standard error

A)Number of treatment should be increased
B)Size of experimental blocks should be increased
C)Number of people taking observation to be increased
D)Replication numbers should be increased

Question 15

Tetrazolium chloride test is used for

A)Estimation of chlorine in leaves
B)Detection of nitrogen content
C)Viability of seeds
D)None of above

Question 16

In Pakistan consumption of fruits and vegetables

A)Is equal ratio
B)Fruit is more
C)Vegetables is more
D)According to WHO standard

Question 17

High temperature before harvest in plums causes ________

A)Die back
B)Kelsey spot
C)Powdery mildew
D)Sun burn

Question 18

Green bananas are injured when exposed to a temperature below _____ °F:

A)40
B)50
C)60
D)70

Question 19

Ammonia is converted into ________ by bacteria during first step:

A)Nitrites
B)Nitrides
C)Nitrates
D)N

Question 20

Maximum nitrogen fixation per acre is __________ lbs annually :

A)250
B)75
C)150
D)125

Question 21

Cuttings with ________ show more success of rooting :

A)Leaves
B)Opening buds
C)Slanting cut
D)Round cut

Question 22

_________ removes the inhibiting substances and the organs producing them

A)Topping
B)Disbudding
C)Pinching
D)Girdling

Question 23

__________ is produced in the meso and endocarp of sound ripe apples :

A)Ethylene
B)Guaneine
C)ABA
D)IBA

Question 24

Tops of peach budded on Marianna plum suddenly fail because of ______ break down :

A)Bud union
B)Phloem tissue
C)Cambial contact
D)Lack of callus formation

Question 25

Growth substances are translocated both up and down in the stem chiefly in the _______ :

A)Phloem
B)Xylem
C)Cortex
D)Pith

Question 26

More fruits spur formation is observed in apple due to ________ pruning :

A)Light
B)Moderate
C)Heavy
D)No pruning

Question 27

Light summer pruning helps in proper _____________:

A)Coloration
B)Development
C)Maturity
D)Quality

Question 28

Tree growth becomes more compact as a result of _________:

A)Thinning out
B)Heading back
C)Fine pruning
D)No pruning

Question 29

Green leaves of plants are able to __________ all the vitamins that they can use :

A)Synthesize
B)Reduce
C)Uptake
D)Store

Question 30

Soil particles carry _________ charge:

A)Negative
B)Positive
C)No charge
D)Positive + Negative

Question 31

Citrus canker is a :

A)Fungal disease
B)Bacterial disease
C)Nutrient deficiency
D)Presence of pebbles in soil

Question 32

Soil solution becomes _________ under dry conditions :

A)Dilute
B)Very dilute
C)Concentrated
D)Very concentrated

Question 33

Nitrogen is absorbed in form of ____________:

A)Nitride
B)Nitrite
C)Nitrate
D)NH₄