By whom was Cholera bacillus discovered? -Do You Know?

By whom was Cholera bacillus discovered? -Do You Know?
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By whom was Cholera bacillus discovered?

Description : By whom was Cholera bacillus discovered?

Last Answer : Robert Koch

1. The working of optical is based on which of electromagnetic waves? 2. By whom was Cholera bacillus discovered? 3. At present the Rajya Sabha consists of howmany members? 4. Where is the Monsoon effect is also experienced? 5. By whom was Decimal system introduced?

Description : 1. The working of optical is based on which of electromagnetic waves? 2. By whom was Cholera bacillus discovered? 3. At present the Rajya Sabha consists of howmany members? 4. Where is the ... that? 19. How are the Himalayan rivers? 20. In Krishnadevaraya's court, who were Ashtadiggajas?

Last Answer : Answer : 1. Total internal reflection 2. Robert Koch 3. 245 4. East Africa 5. Bhaskara 6. Charles Dickens 7. Lowering bank rate 8. Silicon 9. Patagonia desert 10. Monarchial 11. Alexzander Fleming 12. ... . 16. 3 17. Increases 18. Multiply themselves 19. Snow fed 20. Eight great poets of his court

Who Discovered Cholera Bacillus ?

Last Answer : Cholera discovers Bacillus (Robert Koch)

Who discovered the Cholera-bacillus? (1) Louis Pasteur (2) Ronald Ross (3) Robert Koch (4) Joseph Lister

Description : Who discovered the Cholera-bacillus? (1) Louis Pasteur (2) Ronald Ross (3) Robert Koch (4) Joseph Lister

Last Answer : (3) Robert Koch Explanation: Robert Kach was a German physician. He became famous for isolating Bacillus anthracis 8 7, the Tuberculosis bacillus (1882) and Vibrio cholerae (1883) and for his ... Medicine in 1905 for his tuberculosis findings. He is considered one of the founders of microbiology.

Who discovered the Cholera-bacillus ? (1) Louis Pasteur (2) Ronald Ross (3) Robert Koch (4) Joseph Lister

Description : Who discovered the Cholera-bacillus ? (1) Louis Pasteur (2) Ronald Ross (3) Robert Koch (4) Joseph Lister

Last Answer : Robert Koch

By whom was Neutron discovered? -Do You Know?

Description : By whom was Neutron discovered? -Do You Know?

Last Answer : answer:

By whom was the antibiotic penicillin first discovered? -Do You Know?

Description : By whom was the antibiotic penicillin first discovered? -Do You Know?

Last Answer : answer:

By whom was oral polio vaccine discovered? -Do You Know?

Description : By whom was oral polio vaccine discovered? -Do You Know?

Last Answer : answer:

By whom wwere the Saturn rings were discovered? -Do You Know?

Description : By whom wwere the Saturn rings were discovered? -Do You Know?

Last Answer : answer:

By whom was first successful vaccine against viral disease of small pox discovered? -Do You Know?

Description : By whom was first successful vaccine against viral disease of small pox discovered? -Do You Know?

Last Answer : answer:

Who discovered the cholera bacterium ?

Last Answer : The cholera bacterium was discovered by Robert Koch.

Who discovered Cholera germs? (1) Robert Koch (2) Rene Laennec (3) Dreser (4) Hansen

Description : Who discovered Cholera germs? (1) Robert Koch (2) Rene Laennec (3) Dreser (4) Hansen

Last Answer : (1) Robert Koch Explanation: In 1883, Koch worked with a French research team in Alexandria, Egypt, studying cholera. Koch identified the vibrio bacterium that caused cholera.

Who discovered Cholera germs? (1) Robert Koch (2) Rene Laennec (3) Dreser (4) Hansen

Description : Who discovered Cholera germs? (1) Robert Koch (2) Rene Laennec (3) Dreser (4) Hansen

Last Answer :  Robert Koch

How does bacillus thuringiensis kill insects? -Biology

Description : How does bacillus thuringiensis kill insects? -Biology

Last Answer : answer:

What is Bacillus ?

Description : What is Bacillus ?

Last Answer : Bacillus is a type of bacterium. They look like long rod-shaped bacteria .

How would you describe the morphology and arrangement of bacillus subtilis?

Description : How would you describe the morphology and arrangement of bacillus subtilis?

Last Answer : Feel Free to Answer

What features did the cells you observed have in common How were they different - Bacillus Megaterium - Mixed Diatoms - Anaboena - Micrococcus Luteus - Hydra - Saccharomyces - Paramecium?

Description : What features did the cells you observed have in common How were they different - Bacillus Megaterium - Mixed Diatoms - Anaboena - Micrococcus Luteus - Hydra - Saccharomyces - Paramecium?

Last Answer : Feel Free to Answer

Is an example of a bacterium (choose all that apply) chicken pox the flu ameoba Bacillus anthracis yeast parameceum Staphylococcus aureus mushrooms?

Description : Is an example of a bacterium (choose all that apply) chicken pox the flu ameoba Bacillus anthracis yeast parameceum Staphylococcus aureus mushrooms?

Last Answer : Need answer

Vitamin K is necessary for the species a. Lactobacillus spp. b. Bacillus anthracis c. Bacteroides melaninogenicus d. All of these

Description : Vitamin K is necessary for the species a. Lactobacillus spp. b. Bacillus anthracis c. Bacteroides melaninogenicus d. All of these

Last Answer : Ans: A

Which of the following bacterium causes crown gall disease in plants? (1) Bacillus thurigiensis (2) Agrobacterium tumefaciens (3) Pseudomonas fluorescens (4) None of these

Description : Which of the following bacterium causes crown gall disease in plants? (1) Bacillus thurigiensis (2) Agrobacterium tumefaciens (3) Pseudomonas fluorescens (4) None of these

Last Answer : (2) Agrobacterium tumefaciens Explanation: Crown gall is a disease caused by the bacterium Agrobacterium tumefaciens (synonym Rhizobium radiobacter), which enters the plant through wounds in roots or ... producing swollen galls. As the disease progresses, plants lose vigour and may eventually die.

Which of the following microorganisms is used in milk curdli – (1) Acetobacter (2) Leticonost (3) Bacillus (4) Lactobacillus

Description : Which of the following microorganisms is used in milk curdli – (1) Acetobacter (2) Leticonost (3) Bacillus (4) Lactobacillus

Last Answer : (4) Lactobacillus Explanation: Lactobacillus is used in milk curdling. It is a genus of Gram positive facultative anaerobic or microaciophilic rodshaped bacteria.

Mycobacterium leprae is a - (1) Bacillus (2) Coccus (3) Spiral (4) Spore

Description : Mycobacterium leprae is a - (1) Bacillus (2) Coccus (3) Spiral (4) Spore

Last Answer : (1) Bacillus Explanation: Mycobacterium leprae is a bacillus.

Typhoid is caused by - (1) Pseudomonas sp. (2) Staphylococcus (3) Bacillus (4) Salmonella typhi

Description : Typhoid is caused by - (1) Pseudomonas sp. (2) Staphylococcus (3) Bacillus (4) Salmonella typhi

Last Answer : (4) Salmonella typhi Explanation: Typhoid fever, also known as typhoid, is a common worldwide bacterial disease, transmitted by the ingestion of food or water contaminated with the feces of an ... rod shaped, flagellated, aerobic, Gram-negative bacterium. It is a member of the genus Salmonella.

Rod shaped bacteria is called - (1) Bacillus (2) Spirillum (3) Coccus (4) Coma

Description : Rod shaped bacteria is called - (1) Bacillus (2) Spirillum (3) Coccus (4) Coma

Last Answer : (1) Bacillus Explanation: Bacillus is a genus of Grampositive, rodshaped bacteria and a member of the phylum Firmicutes. Bacillus species can be obligate aerobes or facultative anaerobes, ... environmental conditions, the cells produce oval endospores that can stay dormant for extended periods.

dB is a standard abbreviation used for the quantitative expression of (a) the density of bacteria in a medium (b) a particular pollutant (c) the dominant Bacillus in a culture (d) a certain pesticide.

Description : dB is a standard abbreviation used for the quantitative expression of (a) the density of bacteria in a medium (b) a particular pollutant (c) the dominant Bacillus in a culture (d) a certain pesticide.

Last Answer : (b) a particular pollutant

Match the following columns and select the correct option. Column-I Column-II (A) Bt cotton (i) Gene therapy (B) Adenosine (ii) Cellular defence deaminase deficiency (C) RNAi (iii) Detection of HIV infection (D) PCR (iv) Bacillus thuringiensis (A) (B) (C) (D) (a) (iv) (i) (ii) (iii) (b) (iii) (ii) (i) (iv) (c) (ii) (iii) (iv) (i) (d) (i) (ii) (iii) (iv)

Description : Match the following columns and select the correct option. Column-I Column-II (A) Bt cotton (i) Gene therapy (B) Adenosine (ii) Cellular defence deaminase deficiency (C) RNAi (iii) Detection of HIV infection (D) PCR (iv) Bacillus ... (i) (iv) (c) (ii) (iii) (iv) (i) (d) (i) (ii) (iii) (iv)

Last Answer : (a) (iv) (i) (ii) (iii)

Bacillus thuringiensis (Bt) strains have been used for designing novel (a) biofertilizers (b) bio-metallurgical techniques (c) bio-mineralization processes (d) bioinsecticidal plants.

Description : Bacillus thuringiensis (Bt) strains have been used for designing novel (a) biofertilizers (b) bio-metallurgical techniques (c) bio-mineralization processes (d) bioinsecticidal plants.

Last Answer : (d) bioinsecticidal plants.

Cry I endotoxins obtained from Bacillus thuringiensis are effective against (a) nematodes (b) bollworms (c) mosquitoes (d) flies.

Description : Cry I endotoxins obtained from Bacillus thuringiensis are effective against (a) nematodes (b) bollworms (c) mosquitoes (d) flies.

Last Answer : b) bollworms

The bacterium Bacillus thuringiensis is widely used in contemporary biology as (a) insecticide (b) agent for production of dairy products (c) source of industrial enzyme (d) indicator of water pollution

Description : The bacterium Bacillus thuringiensis is widely used in contemporary biology as (a) insecticide (b) agent for production of dairy products (c) source of industrial enzyme (d) indicator of water pollution

Last Answer : (a) insecticide

What is true about Bt toxin? (a) Bt protein exists as active toxin in the Bacillus. (b) The activated toxin enters the ovaries of the pest to sterilise it and thus prevent its multiplication. (c) The concerned Bacillus has antitoxins. (d) The inactive protoxin gets converted into active form in the insect gut.

Description : What is true about Bt toxin? (a) Bt protein exists as active toxin in the Bacillus. (b) The activated toxin enters the ovaries of the pest to sterilise it and thus prevent its multiplication. ... Bacillus has antitoxins. (d) The inactive protoxin gets converted into active form in the insect gut.

Last Answer : (d) The inactive protoxin gets converted into active form in the insect gut.

Bacillus thuringiensis forms protein crystals which contain insecticidal protein. This protein (a) binds with epithelial cells of midgut of the insect pest ultimately killing it (b) is coded by several genes including the gene cry (c) is activated by acid pH of the foregut of the insect pest (d) does not kill the carrier bacterium which is itself resistant to this toxin.

Description : Bacillus thuringiensis forms protein crystals which contain insecticidal protein. This protein (a) binds with epithelial cells of midgut of the insect pest ultimately killing it (b) is coded by several ... pest (d) does not kill the carrier bacterium which is itself resistant to this toxin.

Last Answer : (a) binds with epithelial cells of midgut of the insect pest ultimately killing it

Which of the following is true for Golden rice? (a) It has yellow grains, because of a gene introduced from a primitive variety of rice. (b) It is vitamin A enriched, with a gene from daffodil. (c) It is pest resistant, with a gene from Bacillus thuringiensis. (d) It is drought tolerant, developed using Agrobacterium vector.

Description : Which of the following is true for Golden rice? (a) It has yellow grains, because of a gene introduced from a primitive variety of rice. (b) It is vitamin A enriched, with a gene ... , with a gene from Bacillus thuringiensis. (d) It is drought tolerant, developed using Agrobacterium vector.

Last Answer : (b) It is vitamin A enriched, with a gene from daffodil.

What triggers activation of protoxin to active toxin of Bacillus thuringiensis in bollworm? (a) Acidic pH of stomach (b) Body temperature (c) Moist surface of midgut (d) Alkaline pH of gut

Description : What triggers activation of protoxin to active toxin of Bacillus thuringiensis in bollworm? (a) Acidic pH of stomach (b) Body temperature (c) Moist surface of midgut (d) Alkaline pH of gut

Last Answer : (d) Alkaline pH of gut

Bt cotton variety that was developed by the introduction of toxin gene of Bacillus thuringiensis (Bt) is resistant to (a) insect pests (b) fungal diseases (c) plant nematodes (d) insect predators.

Description : Bt cotton variety that was developed by the introduction of toxin gene of Bacillus thuringiensis (Bt) is resistant to (a) insect pests (b) fungal diseases (c) plant nematodes (d) insect predators.

Last Answer : (a) insect pests

The Taq polymerase enzyme is obtained from (a) Bacillus subtilis (b) Pseudomonas putida (c) Thermus aquaticus (d) Thiobacillus ferroxidans.

Description : The Taq polymerase enzyme is obtained from (a) Bacillus subtilis (b) Pseudomonas putida (c) Thermus aquaticus (d) Thiobacillus ferroxidans.

Last Answer : (c) Thermus aquaticus

Match the organism with its use in biotechnology. (A) Bacillus (i) Cloning vector thuringiensis (B) Thermus (ii) Construction of first aquaticus rDNA molecule (C) Agrobacterium (iii)DNA polymerase tumefaciens (D) Salmonella (iv) Cry proteins typhimurium Select the correct option from the following. (A) (B) (C) (D) (a) (ii) (iv) (iii) (i) (b) (iv) (iii) (i) (ii) (c) (iii) (ii) (iv) (i) (d) (iii) (iv) (i) (ii)

Description : Match the organism with its use in biotechnology. (A) Bacillus (i) Cloning vector thuringiensis (B) Thermus (ii) Construction of first aquaticus rDNA molecule (C) Agrobacterium (iii)DNA polymerase tumefaciens (D) Salmonella (iv) Cry proteins ... (ii) (c) (iii) (ii) (iv) (i) (d) (iii) (iv) (i) (ii)

Last Answer : (b) (iv) (iii) (i) (ii)

Which one of the following bacteria has found extensive use in genetic engineering work in plants? (a) Clostridium septicum (b) Xanthomonas citri (c) Bacillus coagulens (d) Agrobacterium tumefaciens

Description : Which one of the following bacteria has found extensive use in genetic engineering work in plants? (a) Clostridium septicum (b) Xanthomonas citri (c) Bacillus coagulens (d) Agrobacterium tumefaciens

Last Answer : (d) Agrobacterium tumefaciens

The bacteria generally used for genetic engineering is (a) Agrobacterium (b) Bacillus (c) Pseudomonas (d) Clostridium.

Description : The bacteria generally used for genetic engineering is (a) Agrobacterium (b) Bacillus (c) Pseudomonas (d) Clostridium.

Last Answer : (a) Agrobacterium

Due to which of the following organism, yield of rice is increased? (a) Sesbania (b) Bacillus popilliae (c) Anabaena (d) Bacillus subtilis

Description : Due to which of the following organism, yield of rice is increased? (a) Sesbania (b) Bacillus popilliae (c) Anabaena (d) Bacillus subtilis

Last Answer : (c) Anabaena

A genetically engineered microorganism used successfully in bioremediation of oil spills is a species of (a) Trichoderma (b) Xanthomonas (c) Bacillus (d) Pseudomonas.

Description : A genetically engineered microorganism used successfully in bioremediation of oil spills is a species of (a) Trichoderma (b) Xanthomonas (c) Bacillus (d) Pseudomonas.

Last Answer : (d) Pseudomonas.

Which of the following is not used as a biopesticide? (a) Trichoderma harzianum (b) Nucleopolyhedrovirus (NPV) (c) Xanthomonas campestris (d) Bacillus thuringiensis

Description : Which of the following is not used as a biopesticide? (a) Trichoderma harzianum (b) Nucleopolyhedrovirus (NPV) (c) Xanthomonas campestris (d) Bacillus thuringiensis

Last Answer : (c) Xanthomonas campestris

. A common biocontrol agent for the control of plant diseases is (a) baculovirus (b) Bacillus thuringiensis (c) Glomus (d) Trichoderma.

Description : . A common biocontrol agent for the control of plant diseases is (a) baculovirus (b) Bacillus thuringiensis (c) Glomus (d) Trichoderma.

Last Answer : (d) Trichoderma.

Microbe used for biocontrol of pest butterfly caterpillars is (a) Saccharomyces cerevisiae (b) Bacillus thuringiensis (c) Streptococcus sp. (d) Trichoderma sp.

Description : Microbe used for biocontrol of pest butterfly caterpillars is (a) Saccharomyces cerevisiae (b) Bacillus thuringiensis (c) Streptococcus sp. (d) Trichoderma sp.

Last Answer : (b) Bacillus thuringiensis

Select the correct group of biocontrol agents. (a) Nostoc, Azospirillium, Nucleopolyhedrovirus (b) Bacillus thuringiensis, Tobacco mosaic virus, Aphids (c) Trichoderma, Baculovirus, Bacillus thuringiensis (d) Oscillatoria, Rhizobium, Trichoderma

Description : Select the correct group of biocontrol agents. (a) Nostoc, Azospirillium, Nucleopolyhedrovirus (b) Bacillus thuringiensis, Tobacco mosaic virus, Aphids (c) Trichoderma, Baculovirus, Bacillus thuringiensis (d) Oscillatoria, Rhizobium, Trichoderma

Last Answer : (c) Trichoderma, Baculovirus, Bacillus thuringiensis

Which one of the following does correctly match a sexually transmitted disease with its pathogen? (a) Syphilis-Treponema pallidum (b) Gonorrhoea-Entamoeba histolytica (c) Urethritis-Bacillus anthracis (d) Softsore-Bacillus brevis

Description : Which one of the following does correctly match a sexually transmitted disease with its pathogen? (a) Syphilis-Treponema pallidum (b) Gonorrhoea-Entamoeba histolytica (c) Urethritis-Bacillus anthracis (d) Softsore-Bacillus brevis

Last Answer : a) Syphilis-Treponema pallidum

Which is showing accurate pairing? (a) Syphilis - Treponema pallidum (b) AIDS - Bacillus conjugalis (c) Gonorrhoea - Leishmania donovani (d) Typhoid - Mycobacterium leprae

Description : Which is showing accurate pairing? (a) Syphilis - Treponema pallidum (b) AIDS - Bacillus conjugalis (c) Gonorrhoea - Leishmania donovani (d) Typhoid - Mycobacterium leprae

Last Answer : (a) Syphilis - Treponema pallidum

Most commonly used organism in SCP is (a) Bacillus (b) E. coli (c) Spirulina (d) Pseudomonas

Description : Most commonly used organism in SCP is (a) Bacillus (b) E. coli (c) Spirulina (d) Pseudomonas

Last Answer : (c) Spirulina

Which one of the following does correctly match a sexually transmitted disease with its pathogen? (a) Syphilis-Treponema pallidum (b) Gonorrhoea-Entamoeba histolytica (c) Urethritis-Bacillus anthracis (d) Softsore-Bacillus brevis

Description : Which one of the following does correctly match a sexually transmitted disease with its pathogen? (a) Syphilis-Treponema pallidum (b) Gonorrhoea-Entamoeba histolytica (c) Urethritis-Bacillus anthracis (d) Softsore-Bacillus brevis

Last Answer : a) Syphilis-Treponema pallidum

Azotobacter and Bacillus polymyxa are the examples of (a) pathogenic bacteria (b) decomposers (c) symbiotic N2 fixer (d) non-symbiotic N2 fixer.

Description : Azotobacter and Bacillus polymyxa are the examples of (a) pathogenic bacteria (b) decomposers (c) symbiotic N2 fixer (d) non-symbiotic N2 fixer.

Last Answer : (d) non-symbiotic N2 fixer

Which among the following are the smallest living cells, known without a definite cell wall, pathogenic to plants as well as animals and can survive without oxygen? (a) Pseudomonas (b) Mycoplasma (c) Nostoc (d) Bacillus

Description : Which among the following are the smallest living cells, known without a definite cell wall, pathogenic to plants as well as animals and can survive without oxygen? (a) Pseudomonas (b) Mycoplasma (c) Nostoc (d) Bacillus

Last Answer : (b) Mycoplasma