Economic Botany

GATE: Life Science: Botany: Economic Botany

20 Questions Published

Questions

Question 1 Multiple Choice (Single Answer)

Which of the following bacteria is used in vinegar production?

Bacteria play a major role in the constant nourishment of our life. There are numerous beneficial as well as damaging bacteria around us. They use in different fields like agriculture, industry, medical, etc.

  1. Fusarium
  2. Mycoderm
  3. Nitrosomes and nitrococcus
  4. Staphylo
  5. Azobactor
Question 2 Multiple Choice (Single Answer)

Which of the following mushroom is called “death trap” because of its extreme toxicity?

  1. Cyathum
  2. Agaricus campestris
  3. Rhizopus stelonifer
  4. Lycoperdon
  5. Amanita
Question 3 Multiple Choice (Single Answer)

Which of the following fungi is the most popular one as tasty and edible?

  1. Omphalotus
  2. Boletus
  3. Penicillium camemberti
  4. Volvarella volvasia
  5. Amanitas
Question 4 Multiple Choice (Single Answer)

Which of the following fungi is used in production of antibiotics Penicillin?

  1. S. cerevisae
  2. Neurospora crasa
  3. Penicillium
  4. Giberella fugikurni
  5. Penicillium camemberti
Question 5 Multiple Choice (Single Answer)

Which of the following algae cause “Red blight disease”?

  1. Chaetophra
  2. Chlorococcus
  3. Ulothrix
  4. Coleochaete
  5. Cephaleuros
Question 6 Multiple Choice (Single Answer)

Which of the following algae is edible?

  1. Ulothrix
  2. Cyanobacteria
  3. Chlorella
  4. Ulva
  5. Porphyra
Question 7 Multiple Choice (Single Answer)

Which of the following algae is extensively used to kill mosquito larvae?

  1. Oedogonium
  2. Ulothrix
  3. Cephaleuros
  4. Chara
  5. Oscillatoria
Question 8 Multiple Choice (Single Answer)

Which of the following plants is generally used in agriculture as green fertilizer?

  1. Funaria
  2. Azolla
  3. Marsilea
  4. Pogonatum
  5. Selaginella
Question 9 Multiple Choice (Single Answer)

Which of the following algae contain increased amount of Iodine and Potash?

  1. Blue-green algae
  2. Red algae
  3. Brown algae called Kelp
  4. Green algae
  5. Diatom
Question 10 Multiple Choice (Single Answer)

Which of the following fungi is used in production of antibiotics?

In our daily routine, fungi have both positive and negative impacts. There are number of beneficial roles of fungi in different aspects of our life such as food, scientific uses, medicines, agriculture, commercial products, etc.

  1. S. cerevisae
  2. Mycorrhiza
  3. Streptomycin
  4. Mushrooms
  5. Pucvinia graministice
Question 11 Multiple Choice (Single Answer)

Which of the following fungi cause brain tumor?

In our daily routine, fungi have both positive and negative impacts. There are number of beneficial roles of fungi in different aspects of our life such as food, scientific uses, medicines, agriculture, commercial products, etc.

  1. Amanita
  2. Alternaria solani
  3. Albugo candida
  4. Cryptococcus neoformans
  5. Pucvinia graministice
Question 12 Multiple Choice (Single Answer)

Which of the following causes destruction of domestic objects like wooden furniture and leather bags?

Economic importance of bacteria also includes its harmful activities. Around 90% infections in humans are caused by bacteria. They equally affect green plants including their different parts.

  1. Staphylococcus aureus
  2. Sporophytic bacteria
  3. Spirochaete cytophaga
  4. Mycobacterium leprae
  5. Bacillus typhosus
Question 13 Multiple Choice (Single Answer)

Vitamin-B (Riboflavin) is obtained from which of the following bacteria?

Bacteria play a major role in the constant nourishment of our life. There are numerous beneficial as well as damaging bacteria around us. They use in different fields like agriculture, industry, medical, etc.

  1. Bacillus substises
  2. Bacillus typhosus
  3. Rhizobium
  4. Clostridium
  5. Fusarium
Question 14 Multiple Choice (Single Answer)

Which of the following bacteria causes leaf blight of rice?

Economic importance of bacteria also includes its harmful activities. Around 90% infections in humans are caused by bacteria. They equally affect green plants including their different parts.

  1. Xanthomonas citri
  2. Xanthomonas oryzae
  3. Salmonella
  4. Saprophytic bacterium
  5. Clostridium tetani
Question 15 Multiple Choice (Single Answer)

Match the following items:
Column-I Column-II

  1. Rhizopus stolonifer A. Malic acid
  2. Aspergillus niger B. Paneer
  3. Penicillium camemberti C. Ethyl Alcohol
  4. Hydroxybutanedioic acid D. Lactic acid
  5. Saccharomyces E. Citric acid
  1. 1 - A, 2 - B, 3 - C, 4 - D, 5 - E
  2. 1 - D, 2 - E, 3 - B, 4 - A, 5 - C
  3. 1 - C, 2 - A, 3 - D, 4 - E, 5 - B
  4. 1 - B, 2 - C, 3 - A, 4 - E, 5 - D
  5. 1 - E, 2 - A, 3 - C, 4 - D, 5 - B
Question 16 Multiple Choice (Single Answer)

Match the following items:
Column-I Column-II

  1. Helminthosporium oryzae A. Early blight of potato
  2. Puccinia graminis B. Late blight diseases
  3. Alternaria solani C. Stem rot diseases
  4. Phytiphtoria infestans D. Brown rust
  5. Macrophomina phaseoli E. Black rust
  1. 1 - A, 2 - B, 3 - C, 4 - D, 5 - E
  2. 1 - E, 2 - A, 3 - C, 4 - D, 5 - B
  3. 1 - D, 2 - E, 3 - A, 4 - B, 5 - C
  4. 1 - B, 2 - C, 3 - D, 4 - A, 5 - E
  5. 1 - C, 2 - D, 3 - B, 4 - E, 5 - A
Question 17 Multiple Choice (Single Answer)

Which of the following lichens is a bryophyte?

According to the functional group, lichens can be off different types such as cyanolichen, forage lichen, matrix lichen, Bryophytes.

  1. Usnea longissima
  2. Parmelia
  3. Nephroma occultum
  4. Kindbergia oregana
  5. Physcia
Question 18 Multiple Choice (Single Answer)

Match the following items given in column-I and column-II
Column-I Column-II
1. Mustard A. Granulated sugar
2. Rubber B. Corchorus capsularis
3. Jute C. Brassica campestris
4. White sugar D. Camellia sinensis
5. Tea E. Chlorinated Polyethylene

  1. 1 - A, 2 - B, 3 - C, 4 - D, 5 - E
  2. 1 - B, 2 - A, 3 - D, 4 - E, 5 - C
  3. 1 - D, 2 - C, 3 - E, 4 - B, 5 - A
  4. 1 - C, 2 - E, 3 - B, 4 - A, 5 - D
  5. 1 - E, 2 - D, 3 - A, 4 - C, 5 - B
Question 19 Multiple Choice (Single Answer)

Which of the following is a cyanolichen?

According to the functional group, lichens can be off different types such as cyanolichen, forage lichen, matrix lichen, Bryophytes.

  1. Mossy maple
  2. Bryoria
  3. Lobaria oregana
  4. Hypogymnia
  5. Neckera douglasii
Question 20 Multiple Choice (Single Answer)

Which of the following fungi secretes the poisonous fluid called aflatoxin that causes contamination of food?

  1. Rhizopus stelonifer
  2. Penicillium camemberti
  3. Macrophomina phaseoli
  4. Aspergillus flavus
  5. Mucor musedo