Economic and Medicinal Plants - Economic and Applied Botany - Life Sciences Previous Year Questions

1

2007 · Life Sciences · Economic and Applied Botany · Economic and Medicinal Plants

Life Sciences (XL) 2007

Group I (Common name)	Group II (Scientific name)
P. Garden bean	1. Raphanus sativus
Q. Oat	2. Phaseolus vulgaris
R. Cashew nut	3. Brassica oleracea
S. Carrot	4. Anacardium occidentale
	5. Daucus carota
	6. Avena sativa

A

P-2, Q-6, R-4, S-5

B

P-6, Q-2, R-4, S-5

C

P-1, Q-3, R-6, S-4

D

P-2, Q-1, R-6, S-4

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2

2007 · Life Sciences · Economic and Applied Botany · Economic and Medicinal Plants

Life Sciences (XL) 2007

Identify the most important commercial products from the above mentioned plants. (Follow the sequence of the common names)
P    Vegetable Oil
Q    Fibre
R    Alkaloid
S    Beverage

A

Q, P, R, S

B

S, Q, R, P

C

Q, R, P, S

D

R, Q, P, S

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3

2008 · Life Sciences · Economic and Applied Botany · Economic and Medicinal Plants

Life Sciences (XL) 2008

Identify the correct statements P Agar is manufactured from Gelidium of Rhodophyceae and alginic acid from Laminaria of Pheophyceae Q All mushrooms are edible and coloured mushrooms are poisonous R Dioscorea sp. produce diosgenin used as antifertility drugs S Gossypium produce high quality jute fibre

A

P, R

B

P, Q

C

Q, R

D

R, S

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4

2008 · Life Sciences · Economic and Applied Botany · Economic and Medicinal Plants

Life Sciences (XL) 2008

Group-I: P: Atropin, Q: Cocaine, R: Digitalis, S: Hops
Group-II: 1. Digitalis purpurea, 2. Triticum aestivum, 3. Erythroxylon coca, 4. Humulus lupulus, 5. Atropa belladonna, 6. Datura stramonium

A

P-6, Q-5, R-4, S-2

B

P-3, Q-2, R-4, S-1

C

P-5, Q-3, R-1, S-4

D

P-6, Q-5, R-3, S-1

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5

2009 · Life Sciences · Economic and Applied Botany · Economic and Medicinal Plants

Life Sciences (XL) 2009

Group I	Group II
P. Ricinus communis	1. Rice bran oil
Q. Jatropha curcas	2. Mahua oil
R. Pongamia pinnata	3. Sun-flower oil
S. Madhuca indica	4. Castor oil
	5. Karanja oil
	6. Jatropha oil

A

P-4, Q-6, R-5, S-2

B

P-1, Q-6, R-4, S-5

C

P-3, Q-6, R-5, S-2

D

P-1, Q-6, R-5, S-2

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6

2011 · Life Sciences · Economic and Applied Botany · Economic and Medicinal Plants

Life Sciences (XL) 2011

Match the following plant secondary compounds with their uses and source plants

A

P-2-iv, Q-3-i, R-1-ii, S-4-iii

B

P-3-iv, Q-1-i, R-5-ii, S-6-iii

C

P-4-iv, Q-3-i, R-1-v, S-2-vi

D

P-4-iii, Q-2-ii, R-5-i, S-6-iv

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7

2012 · Life Sciences · Economic and Applied Botany · Economic and Medicinal Plants

Life Sciences (XL) 2012

Which one of the following drugs is obtained from the capsule of Papaver somniferum?

A

Papain

B

Codeine

C

Digoxin

D

Bromelain

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8

2014 · Life Sciences · Economic and Applied Botany · Economic and Medicinal Plants

Life Sciences (XL) 2014

Which one of the following is NOT a source of caffeine?

A

Coffee

B

Cocoa beans

C

Corn syrup

D

Tea leaves

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9

2015 · Life Sciences · Economic and Applied Botany · Economic and Medicinal Plants

Life Sciences (XL) 2015

Match the plant products with their sources and the plant parts from which they are obtained.

Product	Source	Plant part
P. Annatto	1. Acacia catechu	i. Seed
Q. Cutch	2. Rubia tinctorum	ii. Leaf
R. Henna	3. Bixa orellana	iii. Root
S. Alizarin	4. Lawsonia inermis	iv. Stem

A

P-3-ii, Q-4-i, R-2-iii, S-1-iv

B

P-3-i, Q-1-iv, R-4-ii, S-2-iii

C

P-2-ii, Q-1-iii, R-4-iv, S-3-i

D

P-4-ii, Q-3-iv, R-1-iii, S-2-i

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10

2016 · Life Sciences · Economic and Applied Botany · Economic and Medicinal Plants

Life Sciences (XL) 2016

Atropine is a drug used in the management of pesticide poisoning. Which of the following plants can serve as a commercial source of this anticholinergic drug?

A

Datura metel

B

Medicago tranccatula

C

Mangifera indica

D

Arachis hypogaea

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11

2016 · Life Sciences · Economic and Applied Botany · Economic and Medicinal Plants

Life Sciences (XL) 2016

The grades of tea in the increasing order of their leaf size are ____, ____ and ____ .

A

Souchang, pekoe and orange pekoe

B

Pekoe, souchang and orange pekoe

C

Orange pekoe, souchang, and pekoe

D

Orange pekoe, pekoe, and souchang

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12

2017 · Life Sciences · Economic and Applied Botany · Economic and Medicinal Plants

Life Sciences (XL) 2017

Choose the plant part, its use and the source species in CORRECT combination.

Plant Part	Use	Species
P. Bark	i. Insecticide	1. Crocus sativus
Q. Leaf	ii. Food colorant	2. Papaver somniferum
R. Capsule	iii. Flavouring agent	3. Azadirachta indica
S. Stigma	iv. Analgesic	4. Cinnamomum zeylanicum

A

P-i-1, Q-ii-2, R-iii-3, S-iv-4

B

P-iii-4, Q-ii-1, R-iv-2, S-i-3

C

P-ii-1, Q-i-3, R-iv-2, S-iii-4

D

P-iii-4, Q-i-3, R-iv-2, S-ii-1

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13

2018 · Life Sciences · Economic and Applied Botany · Economic and Medicinal Plants

Life Sciences (XL) 2018

Which of the following plants produces Ylang-ylang oil?

A

Cananga odorata

B

Curcum copti cum

C

Pandanus odoratissimus

D

Pimenta racemosa

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14

2018 · Life Sciences · Economic and Applied Botany · Economic and Medicinal Plants

Life Sciences (XL) 2018

Match the plant alkaloids with their uses and source species.

Alkaloid	Use	Source species
P. Codeine	1. Stimulant	i. Hyoscyamus niger
Q. Caffeine	2. Analgesic	ii. Catharanthus roseus
R. Scopolamine	3. Antineoplastic	iii. Cola nitida
S. Vinblastine	4. Anticholinergic	iv. Papaver somniferum
		v. Coptis japonica
		vi. Senecio jacobaea

A

P-2-iv, Q-1-iii, R-4-i, S-3-ii

B

P-4-iii, Q-2-v, R-1-vi, S-3-i

C

P-2-v, Q-1-vi, R-3-iv, S-4-ii

D

P-3-ii, Q-4-iii, R-1-iv, S-2-i

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15

2019 · Life Sciences · Economic and Applied Botany · Economic and Medicinal Plants

Life Sciences (XL) 2019

Match the plant species and their corresponding families with their economically important products.

A

P-2-iv, Q-3-ii, R-4-iii, S-1-i

B

P-3-iv, Q-2-i, R-1-ii, S-4-iii

C

P-1-iii, Q-4-ii, R-2-i, S-3-ii

D

P-2-iv, Q-4-iii, R-1-ii, S-3-i

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16

2020 · Life Sciences · Economic and Applied Botany · Economic and Medicinal Plants

Life Sciences (XL) 2020

The oleo-gum resin asafoetida (hing) is obtained from the cut surface of

A

Stem

B

Root

C

Leaf

D

Fruit

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17

2020 · Life Sciences · Economic and Applied Botany · Economic and Medicinal Plants

Life Sciences (XL) 2020

Match the plant part (Group I) with the product obtained (Group II) and the representative plant species (Group III) in CORRECT combination

Group I	Group II	Group III
P. Bark	i. Tannins	1. Papaver somniferum
Q. Leaf	ii. Saffron	2. Camellia sinensis
R. Flower	iii. Codeine	3. Cinnamomum zeylanicum
S. Fruit	iv. Aromatic oil	4. Crocus sativus

A

P-ii-1, Q-i-3, R-iv-2, S-iii-4

B

P-ii-1, Q-i-2, R-iv-4, S-iii-3

C

P-ii-2, Q-iv-3, R-i-4, S-iii-1

D

P-iv-3, Q-i-2, R-ii-4, S-iii-1

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18

2020 · Life Sciences · Economic and Applied Botany · Economic and Medicinal Plants

Life Sciences (XL) 2020

Match the following alkaloids with their uses and source plants in CORRECT combination

Alkaloid	Use	Source plant
P. Morphine	i. Anti-cancer	1. Cinchona officinalis
Q. Quinine	ii. Analgesic	2. Catharanthus roseus
R. Atropine	iii. Anti-cholinergic	3. Papaver somniferum
S. Vinblastine	iv. Anti-malarial	4. Hyoscyamus niger

A

P-iii-3, Q-iv-1, R-iii-4, S-i-2

B

P-ii-1, Q-i-3, R-iv-4, S-iii-2

C

P-ii-2, Q-iv-1, R-i-4, S-iii-3

D

P-iii-4, Q-ii-1, R-iii-3, S-i-2

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19

2021 · Life Sciences · Economic and Applied Botany · Economic and Medicinal Plants

Life Sciences (XL) 2021

Find the CORRECT match among the plant species in GROUP I, the predominant phytochemical in GROUP II and the economic/medical use in GROUP III.

GROUP I
P. Syzygium aromaticum
Q. Gracillaria sp.
R. Catharanthus roseus
S. Theobroma cacao
T. Papaver somniferum

GROUP II
i. Vincristine
ii. Eugenol
iii. Agar
iv. Morphine
v. Flavonols

GROUP III
1. Toothache relief
2. Dessert jelly
3. Leukaemia treatment
4. Analgesic
5. Beverage

A

P-i-1, Q-ii-3, R-iii-4, S-v-5, T-iv-2

B

P-ii-1, Q-iii-2, R-i-3, S-v-5, T-iv-4

C

P-ii-1, Q-iii-2, R-v-4, S-i-3, T-iv-5

D

P-i-2, Q-ii-3, R-iv-1, S-iii-5, T-v-4

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20

2021 · Life Sciences · Economic and Applied Botany · Economic and Medicinal Plants

Life Sciences (XL) 2021

Which one of the following compounds is present in soybean and acts as phytoestrogen?

A

Tangeretin

B

Lutin

C

Quercetin

D

Genistein

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