Economic Botany (GATE - XL)

Economic botany

15 Questions Published

Questions

Question 1 Multiple Choice (Single Answer)

Which of the following is used as an anti-hypertensive drug?

  1. Alkannin
  2. Shikonin
  3. Vinblastine
  4. Ajmalicine
  5. Glycyrrhizin
Question 2 Multiple Choice (Single Answer)

Which of the following plant products is obtained from Commiphora mukul?

  1. Alkannin
  2. Guggulsterone
  3. Atropine
  4. Ajmalicine
  5. Glycyrrhizin
Question 3 Multiple Choice (Single Answer)

Match the following:

   
Natural colorant Source Plant part
P. Annatto 1. Curcuma longa i. Seed
Q. Curcumin 2. Rubia tinctorum ii. Leaf
R. Henna 3. Bixa Orellana iii. Root
S. Alizarin 4. Lawsonia inermis iv. Rhizome
  1. P - 3 - i, Q - 1 - iv, R - 4 - ii, S - 2 - iii
  2. P - 4 - ii, Q - 1 - iv, R - 4 - i, S - 2 - iii
  3. P - 3 - ii, Q - 4 - i, R - 2 - iii, S - 1 - iv
  4. P - 2 - ii, Q - 1 - iii, R - 4 - iv, S - 3 - i
  5. P - 2 - i, Q - 1 - iii, R - 4 - ii, S - 3 - iv
Question 4 Multiple Choice (Single Answer)

Which of the following matchings is incorrect?

  1. Gitalin, Cardiotonic, Digitalis purpurea
  2. Demecolcine, anti-tumour agent, Colchicum autumnale
  3. Caffeine, CNS stimulant, Camellia sinensis
  4. Bergenin, Antitussive, Ardisia japonica
  5. Kheltin, anti-hyerptensive, Ammi visaga
Question 5 Multiple Choice (Single Answer)

Match the following:

 
Column I Column II
P. Saffron 1. Acacia catechu
Q. Gamboge 2. Rocella tinctoria
R. Litmus 3. Crocus sativus
S. Cutch 4. Garcinia sp.
  1. P - 1; Q - 2; R - 3; S - 4
  2. P - 2; Q - 4; R - 3; S - 1
  3. P - 3; Q - 4; R - 2; S - 1
  4. P - 3; Q - 2; R - 4; S - 1
  5. P - 4; Q - 2; R - 1; S - 3
Question 6 Multiple Choice (Single Answer)

Match the columns:

 
Column I Column II
P. Shikonin 1. Sweetener
Q. Vinblastine 2. Anti-cancer
R. Morphine 3. Narcotic analgesic
S. Glycyrrhizin 4. Dye
  1. P - 1; Q - 2; R - 3; S - 4
  2. P - 2; Q - 3; R - 4; S - 1
  3. P - 3; Q - 2; R - 4; S - 1
  4. P - 3; Q - 2; R - 1; S - 4
  5. P - 4; Q - 2; R - 3; S - 1
Question 7 Multiple Choice (Single Answer)

Which of the following plant products is used as cholinesterase inhibitor drug?

  1. Galanthamine
  2. Deserpidine
  3. Digitalin
  4. Ephedrine
  5. Glaucine
Question 8 Multiple Choice (Single Answer)

Which of the following plants is a source of sweeteners?

  1. Rauvolfia serpentina
  2. Stevia rebaudiana
  3. Strychnos nux-vomica
  4. Colchicum autumnale
  5. Camptotheca acuminata
Question 9 Multiple Choice (Single Answer)

Which of the following is a set of bast fibres only?

  1. Cotton, Flax, Hemp, Jute
  2. Cotton, Hemp, Jute, Kenaf
  3. Flax, Hemp, Cotton, Kenaf
  4. Flax, Hemp, Jute, Kenaf
  5. Flax, Cotton, Jute, Kenaf
Question 10 Multiple Choice (Single Answer)

Match the columns:

 
Column I Column II
P. Papain 1. Papaver somniferum
Q. Codeine 2. Carica papaya
R. Digoxin 3. Ananas comosus
S. Bromelain 4. Digitalis lanata
  1. P - 1; Q - 2; R - 3; S - 4
  2. P - 1; Q - 3; R - 2; S - 4
  3. P - 2; Q - 1; R - 3; S - 4
  4. P - 2; Q - 1; R - 4; S - 3
  5. P - 3; Q - 2; R - 4; S - 1
Question 11 Multiple Choice (Single Answer)

Match the following columns:

 
Column I Column II
P. Ricin 1. Castor
Q. Gossypol 2. Wheat
R. Gliadin 3. Cotton
S. Zein 4. Maize
  1. P - 1, Q - 2, R - 3, S - 4
  2. P - 1, Q - 3, R - 2, S - 4
  3. P - 2, Q - 4, R - 3, S - 1
  4. P - 3, Q - 2, R - 1, S - 4
  5. P - 4, Q - 3, R - 2, S - 1
Question 12 Multiple Choice (Single Answer)

Which of the following is a pair of bacteria that change nitrites to nitrates?

  1. Rhizobium and Nitromonas
  2. Nitrosomanas and Nitrococcus
  3. Nitrobacter and Nitrocystis
  4. Nitrobacter and Nitrosomanas
  5. Rhizobium and Nitrobacter
Question 13 Multiple Choice (Single Answer)

Match the following:

 
Plant Protein
P. Wheat 1. Gliadin
Q. Pea 2. Legumin
R. Rapeseed 3. Napin
  1. P - 1; Q - 2; R - 3
  2. P - 1; Q - 3; R - 2
  3. P - 2; Q - 1; R - 3
  4. P - 2; Q - 3; R - 1
  5. P - 3; Q - 2; R - 1
Question 14 Multiple Choice (Single Answer)

Match the columns:

   
Compound Use Source plant
P. Danthron 1. Anti-parkinson i. Cinchona ledgeriana
Q. L-Dopa 2. Laxative ii. Cassia sp.
R. Morphine 3. Antimalarial iii. Mucuna sp.
S. Quinine 4. Analgesic iv. Papaver somniferum
  1. P - 1 - ii, Q - 2 - i, R - 4 - iv, S - 3 - iii
  2. P - 2 - ii, Q - 4 - iv, R - 1 - iii, S - 3 - i
  3. P - 2 - ii, Q - 1 - iii, R - 4 - iv, S - 3 - i
  4. P - 3 - i, Q - 1 - iv, R - 4 - ii, S - 2 - iii
  5. P - 3 - ii, Q - 4 - i, R - 2 - iii, S - 1 - iv
Question 15 Multiple Choice (Single Answer)

Match the columns.

 
Column I Column II
P. Bio-fertilisers 1. Nostoc, Spirulina
Q. Alginates producers 2. Gelidium, Graciliaria
R. Agar-Agar producers 3. Fucus, Laminaria
S. Fodder 4. Pelvitia, Ascophyllum
  1. P - 1; Q - 2; R - 3; S - 4
  2. P - 1; Q - 3; R - 2; S - 4
  3. P - 2; Q - 3; R - 4; S - 1
  4. P - 3; Q - 2; R - 4; S - 1
  5. P - 2; Q - 1; R - 3; S - 4