Microbes in Human Welfare MCQ Questions & Answers in Botany

41. Industrial production of ethanol from starch is brought about by

A Saccharomyces

B Lactobacillus

C Azotobacter

D Penicillium

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42. The primitive prokaryotes responsible for the production of biogas from the dung of ruminant animals, include the

A Halophiles

B Thermoacidiophiles

C Methanogens

D Eubacteria

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43. Which one of the following is not used in organic farming?

A Glomus

B Earthworm

C Oscillatoria

D Snail

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44. Read the following statement having two blanks (A and B): "A drug used for ___A_ patients is obtained from a species of the organism _B___."
The one correct option for the two blanks is
Blank - A <-> Blank - B

A Heart <-> Penicillium

B Organ-transplant <-> Trichoderma

C Swine flu <-> Monascus

D AIDS <-> Pseudomonas

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45. Gobar gas contains mainly

A $$C{H_4} + C{O_2}$$

B $$C{H_4} + {O_2}$$

C $$C{O_2} + {H_2}$$

D $$C{O_2} + S{O_2}$$

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46. A common biocontrol agent for the control of plant diseases is

A Baculovirus

B Bacillus thuringiensis

C Glomus

D Trichoderma

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47. The common nitrogen fixer in paddy fields is

A Rhizobium

B Azospirillum

C Oscillatoria

D Frankia

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48. Which one of the following micro-organisms is used for production of citric acid in industries?

A Penicillium citrinum

B Aspergillus niger

C Rhizopus nigricans

D Lactobacillus bulgaris

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49. The aquatic fern, which is an excellent biofertiliser is

A Azolla

B Salvinia

C Marsilia

D Pteridium

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50. Which of the following is likely to be achieved in the coming two decades?

A A complete understanding of the brain- mind interaction

B Control of cancer

C Correction of genetic basis of diabetes mellitus

D Production of biodegradable plastic rather than cellulose by higher plants

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41. Industrial production of ethanol from starch is brought about by

42. The primitive prokaryotes responsible for the production of biogas from the dung of ruminant animals, include the

43. Which one of the following is not used in organic farming?

44. Read the following statement having two blanks (A and B): "A drug used for _______A_______ patients is obtained from a species of the organism _______B_______." The one correct option for the two blanks is Blank - A <-> Blank - B

45. Gobar gas contains mainly

46. A common biocontrol agent for the control of plant diseases is

47. The common nitrogen fixer in paddy fields is

48. Which one of the following micro-organisms is used for production of citric acid in industries?

49. The aquatic fern, which is an excellent biofertiliser is

50. Which of the following is likely to be achieved in the coming two decades?

Practice More MCQ Question on Biology Section

44. Read the following statement having two blanks (A and B): "A drug used for ___A_ patients is obtained from a species of the organism _B___."
The one correct option for the two blanks is
Blank - A <-> Blank - B