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

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

Two microbes found to be very useful in genetic engineering are (a) crown gall bacterium and Caenorhabditis elegans (b) Escherichia coli and Agrobacterium tumefaciens (c) Vibrio cholerae and a tailed bacteriophage (d) Diplococcus sp. and Pseudomonas sp

Description : Two microbes found to be very useful in genetic engineering are (a) crown gall bacterium and Caenorhabditis elegans (b) Escherichia coli and Agrobacterium tumefaciens (c) Vibrio cholerae and a tailed bacteriophage (d) Diplococcus sp. and Pseudomonas sp

Last Answer : (b) Escherichia coli and Agrobacterium tumefaciens

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

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)

Assertion : Agrobacterium tumefaciens is popular in genetic engineering because this bacterium is associated with the roots of all cereal and pulse cr

Description : Assertion : Agrobacterium tumefaciens is popular in genetic engineering because this bacterium is associated with the roots of all cereal and pulse cr

Last Answer : Assertion : Agrobacterium tumefaciens is popular in genetic engineering because this bacterium is ... both the assertion and reason are false

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

Which one of the following is commonly used in transfer of foreign DNA into crop plants? (a) Meloidogyne incognita (b) Agrobacterium tumefaciens (c) Penicillium expansum (d) Trichoderma harzianum

Description : Which one of the following is commonly used in transfer of foreign DNA into crop plants? (a) Meloidogyne incognita (b) Agrobacterium tumefaciens (c) Penicillium expansum (d) Trichoderma harzianum

Last Answer : (b) Agrobacterium tumefaciens

The introduction of T-DNA into plants involves (a) exposing the plants to cold for a brief period (b) allowing the plant roots to stand in water (c) infection of the plant by Agrobacterium tumefaciens (d) altering the pH of the soil, then heat-shocking the plants.

Description : The introduction of T-DNA into plants involves (a) exposing the plants to cold for a brief period (b) allowing the plant roots to stand in water (c) infection of the plant by Agrobacterium tumefaciens (d) altering the pH of the soil, then heat-shocking the plants.

Last Answer : (c) infection of the plant by Agrobacterium tumefaciens

How is agrobacterium tumefaciens used in genetic engineering? -Biology

Description : How is agrobacterium tumefaciens used in genetic engineering? -Biology

Last Answer : answer:

Which of the following can be a cause of food poisoning? a. Streptococcus Pyogenes b. Staphylococcus Aureus. c. Pseudomonas Fluorescens d. Streptococcus Epidermidis

Description : Which of the following can be a cause of food poisoning? a. Streptococcus Pyogenes b. Staphylococcus Aureus. c. Pseudomonas Fluorescens d. Streptococcus Epidermidis

Last Answer : b. Staphylococcus Aureus.

Which of the following can be a cause of food poisoning? a. Streptococcus Pyogenes b. Staphylococcus Aureus. c. Pseudomonas Fluorescens d. Streptococcus Epidermidis

Description : Which of the following can be a cause of food poisoning? a. Streptococcus Pyogenes b. Staphylococcus Aureus. c. Pseudomonas Fluorescens d. Streptococcus Epidermidis

Last Answer : b. Staphylococcus Aureus

Which bacterial strain developed from natural isolates by genetic manipulations can be used for treating oil spills? (1) Pseudomonas (2) Agrobacterium (3) Clostridium (4) Nitrosomonas

Description : Which bacterial strain developed from natural isolates by genetic manipulations can be used for treating oil spills? (1) Pseudomonas (2) Agrobacterium (3) Clostridium (4) Nitrosomonas

Last Answer : (4) Nitrosomonas Explanation: Nitrosomonas is a genus comprising rod shaped chemoautotrophic bacteria. This rare bacteria oxidizes ammonia into nitrite as a metabolic process. Nitrosomonas are useful in treatment of industrial and sewage waste and in the process of bioremediation.

Which bacterial strain developed from natural isolates by genetic manipulations can be used for treating oil spills ? (1) Pseudomonas (2) Agrobacterium (3) Clostridium (4) Nitrosomonas

Description : Which bacterial strain developed from natural isolates by genetic manipulations can be used for treating oil spills ? (1) Pseudomonas (2) Agrobacterium (3) Clostridium (4) Nitrosomonas

Last Answer : Nitrosomonas

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

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 ? (1) Pseudomonas (2) Mycoplasma (3) Nostoc (4) 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 ? (1) Pseudomonas (2) Mycoplasma (3) Nostoc (4) Bacillus

Last Answer : (2) Mycoplasma

The most thoroughly studied of the known bacteria- plant interactions is the (a) cyanobacterial symbiosis with some aquatic ferns (b) gall formation on certain angiosperms by Agrobacterium (c) nodulation of Sesbania stems by nitrogen fixing bacteria (d) plant growth stimulation by phosphate- solubilising bacteria.

Description : The most thoroughly studied of the known bacteria- plant interactions is the (a) cyanobacterial symbiosis with some aquatic ferns (b) gall formation on certain angiosperms by Agrobacterium (c) ... stems by nitrogen fixing bacteria (d) plant growth stimulation by phosphate- solubilising bacteria.

Last Answer : (b) gall formation on certain angiosperms by Agrobacterium

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.

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.

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

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.

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

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

Last Answer : Salmonella typhi

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Description : Under anaerobic conditions, bacterium Pseudomonas changes (a) Nitrate to molecular nitrogen (b) Nitrate to ammonia (c) Nitrate to nitrite (d) Nitrite to nitrate

Last Answer : Ans. ((a))

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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

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

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

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Description : An example of an anaerobe that causes disease in humans is _____. Clostridium a. E.coli b. Salmonella c. Pseudomonas

Last Answer : a. E.coli

The comma bacillus causes what disease

Description : The comma bacillus causes what disease

Last Answer : Cholera

The Ti plasmid, is often used for making transgenic plants. The plasmid is found in (a) Azotobacter (b) Rhizobium of the roots of leguminous plants (c) Agrobacterium (d) Yeast as a 2 mm plasmid.

Description : The Ti plasmid, is often used for making transgenic plants. The plasmid is found in (a) Azotobacter (b) Rhizobium of the roots of leguminous plants (c) Agrobacterium (d) Yeast as a 2 mm plasmid.

Last Answer : (c) Agrobacterium

: All the following are among the opportunistic organisms that may cause nosocomial disease except: a. Pseudomonas aeruginosa. b. Escherichia coli. c. Staphylococcus aureus. d. Mycobacterium leprae.

Description : : All the following are among the opportunistic organisms that may cause nosocomial disease except: a. Pseudomonas aeruginosa. b. Escherichia coli. c. Staphylococcus aureus. d. Mycobacterium leprae.

Last Answer : d. Mycobacterium leprae.

Jaundice is a disease which affects (1) Heart (2) Liver (3) Spleen (4) Gall bladder

Description : Jaundice is a disease which affects (1) Heart (2) Liver (3) Spleen (4) Gall bladder

Last Answer : Liver

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 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

BCG vaccination (Bacillus Calmette Guerine) is injected to get immunity from which disease?

Description : BCG vaccination (Bacillus Calmette Guerine) is injected to get immunity from which disease?

Last Answer : Tuberculosis

Which one of the following proved effective for biological control of nematodal diseases in plants? (a) Gliocladium virens (b) Paecilomyces lilacinus (c) Pisolithus tinctorius (d) Pseudomonas cepacia

Description : Which one of the following proved effective for biological control of nematodal diseases in plants? (a) Gliocladium virens (b) Paecilomyces lilacinus (c) Pisolithus tinctorius (d) Pseudomonas cepacia

Last Answer : (b) Paecilomyces lilacinus

Two bacteria found to be very useful in genetic engineering experiments are (a) Nitrobacter and Azotobacter (b) Rhizobium and Diplococcus (c) Nitrosomonas and Klebsiella (d) Escherichia and Agrobacterium.

Description : Two bacteria found to be very useful in genetic engineering experiments are (a) Nitrobacter and Azotobacter (b) Rhizobium and Diplococcus (c) Nitrosomonas and Klebsiella (d) Escherichia and Agrobacterium.

Last Answer : (d) Escherichia and Agrobacterium.

Which one of the following is not a biofertiliser? (a) Agrobacterium (b) Rhizobium (c) Nostoc (d) Mycorrhiza

Description : Which one of the following is not a biofertiliser? (a) Agrobacterium (b) Rhizobium (c) Nostoc (d) Mycorrhiza

Last Answer : (a) Agrobacterium

The necrotic ring spot disease of stone fruits (cherry, peach, plum, etc.) is caused by (a) a bacterium (b) fungal infection (c) molybdenum deficiency (d) virus

Description : The necrotic ring spot disease of stone fruits (cherry, peach, plum, etc.) is caused by (a) a bacterium (b) fungal infection (c) molybdenum deficiency (d) virus

Last Answer : Ans:(d)

Common cold is not cured by antibiotics because it is (a) caused by a virus (b) caused by a Gram-positive bacterium (c) caused by a Gram-negative bacterium (d) not an infectious disease.

Description : Common cold is not cured by antibiotics because it is (a) caused by a virus (b) caused by a Gram-positive bacterium (c) caused by a Gram-negative bacterium (d) not an infectious disease.

Last Answer : (b) caused by a Gram-positive bacterium

Common cold differs from pneumonia in that (a) pneumonia is a communicable disease whereas the common cold is a nutritional deficienc(b) pneumonia can be prevented by a live attenuated bacterial vaccine whereas the common cold has no effective vaccine (c) pneumonia is caused by a virus while the common cold is caused by the bacterium Haemophilus influenzae (d) pneumonia pathogen infects alveoli whereas the common cold affects nose and respiratory passage but not the lungs.y disease

Description : Common cold differs from pneumonia in that (a) pneumonia is a communicable disease whereas the common cold is a nutritional deficiency disease (b) pneumonia can be prevented by a live attenuated ... infects alveoli whereas the common cold affects nose and respiratory passage but not the lungs.

Last Answer : (d) pneumonia pathogen infects alveoli whereas the common cold affects nose and respiratory passage but not the lungs.

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.

What is the name of the bacterium that causes diarrhea ?

Description : What is the name of the bacterium that causes diarrhea ?

Last Answer : Different bacteria such as Salmonella , Shigella flexneri , Bacillus cereus , Escherichia coli, Vibrio etc. can cause diarrhea. Diarrhea Giardia , Entamiba is responsible for the national protozoa diarrhea. [Diarrhea]

Which bacterium causes tetanus ?

Description : Which bacterium causes tetanus ?

Last Answer : Bacillus is a bacterium that causes tetanus.

Which bacterium causes cholera?

Description : Which bacterium causes cholera?

Last Answer : Vibrio cholerae

Who discovered the bacterium which causes anthrax?

Description : Who discovered the bacterium which causes anthrax?

Last Answer : Robert Koch

What causes mumps? A. Fungus B. Bacterium C. Deficiency of vitamins D. Virus (Answer)

Description : What causes mumps? A. Fungus B. Bacterium C. Deficiency of vitamins D. Virus (Answer)

Last Answer : D. Virus (Answer)

Read the following four statements (A-D). (A) Colostrum is recommended for the new born because it is rich in antigens. (B) Chikungunya is caused by a Gram negative bacterium. (C) Tissue culture has proved useful in obtaining virus-free plants. (D) **** is manufactured by distillation of fermented grape juice. How many of the above statements are wrong? (a) Two (b) Three (c) Four (d) One

Description : Read the following four statements (A-D). (A) Colostrum is recommended for the new born because it is rich in antigens. (B) Chikungunya is caused by a Gram negative bacterium. (C) Tissue culture has proved useful ... . How many of the above statements are wrong? (a) Two (b) Three (c) Four (d) One

Last Answer : (B) Chikungunya is caused by a Gram negative bacterium.

What is the sign of Pseudomonas ?

Description : What is the sign of Pseudomonas ?

Last Answer : The sign of Pr

Want to know more about Pseudomonas bacteria ?

Description : Want to know more about Pseudomonas bacteria ?

Last Answer : Dr. M. K. Chakravarti discovered the bacterium Pseudomonas . It has been created through genetic engineering. It is used to preserve the environment. It quickly disinfects the environment by destroying the oil and hydrocarbons in the environment.

The following statement(s) is/are true concerning gram-negative bacterial sepsis. a. Mortality due to this condition has almost been eliminated due to therapeutic intervention with antibiotics, aggressive hemodynamic monitoring and fluid resuscitation b. Recent series have noted a decrease in the incidence of this condition c. Predisposing factors include old age, malnutrition, and immunosuppression d. Pseudomonas bacteremia is the most common cause of gram-negative sepsis e. Polymicrobial sepsis is generally considered a more serious problem than sepsis due to a single organism

Description : The following statement(s) is/are true concerning gram-negative bacterial sepsis. a. Mortality due to this condition has almost been eliminated due to therapeutic intervention with antibiotics, aggressive ... sepsis is generally considered a more serious problem than sepsis due to a single organism

Last Answer : Answer: c, e Gram-negative bacterial sepsis is a serious disease process that produces substantial morbidity and mortality in both normal and immunocompromised patients (10% to 20% and ... and most investigators agree that polymicrobial sepsis is more lethal than infection with a single organism