Tobacco Mosaic disease is caused by

Tobacco Mosaic disease is caused by
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 Ans. Nicotiana Virus-1
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Select the wrong statement. (a) The term ‘contagium vivum fluidum’ was coined by M. W. Beijerinck. (b) Mosaic disease in tobacco and AIDS in human being are caused by viruses. (c) The viroids were discovered by D.J. Ivanowsky. (d) W.M. Stanley showed that viruses could be crystallised.

Description : Select the wrong statement. (a) The term ‘contagium vivum fluidum’ was coined by M. W. Beijerinck. (b) Mosaic disease in tobacco and AIDS in human being are caused by viruses. (c) The viroids were discovered by D.J. Ivanowsky. (d) W.M. Stanley showed that viruses could be crystallised.

Last Answer : (c) The viroids were discovered by D.J. Ivanowsky

Leaf curl and mosaic of papaya is caused by

Description : Leaf curl and mosaic of papaya is caused by

Last Answer : Ans. Virus

Yellow Mosaic of soybean is caused by

Description : Yellow Mosaic of soybean is caused by

Last Answer : Ans. Mungbean yellow mosaic virus (MYMV)

Damping off of tobacco is caused by

Description : Damping off of tobacco is caused by

Last Answer : Ans. Pythium aphanidermaum

Root knot disease of tobacco is effective controlled by

Description : Root knot disease of tobacco is effective controlled by

Last Answer : Ans. Carbofuran (12) Mango

What are the symptoms of tobacco mosaic virus? -Biology

Description : What are the symptoms of tobacco mosaic virus? -Biology

Last Answer : answer:

What is the size of the tobacco mosaic virus? -Biology

Description : What is the size of the tobacco mosaic virus? -Biology

Last Answer : answer:

What is Tobacco Mosaic Virus (TMV)? -Biology

Description : What is Tobacco Mosaic Virus (TMV)? -Biology

Last Answer : Symptoms induced by Tobacco mosaic virus ( TMV) are somewhat dependent on the host plant and can include mosaic, mottling (Figures 1 and 2), necrosis (Figures 3 and 4), stunting, leaf curling, and yellowing of plant tissues.

What are the two major components of the tobacco mosaic virus? -Biology

Description : What are the two major components of the tobacco mosaic virus? -Biology

Last Answer : answer:

Who discovered tobacco mosaic virus? -Biology

Description : Who discovered tobacco mosaic virus? -Biology

Last Answer : answer:

What does tobacco mosaic virus do? -Biology

Description : What does tobacco mosaic virus do? -Biology

Last Answer : Symptoms induced by Tobacco mosaic virus ( TMV) are somewhat dependent on the host plant and can include mosaic, mottling , necrosis , stunting, leaf curling, and yellowing of plant tissues.

What are Tobacco Mosaic viruses? -Biology

Description : What are Tobacco Mosaic viruses? -Biology

Last Answer : answer:

What are Tobacco Mosaic viruses? -Biology

Description : What are Tobacco Mosaic viruses? -Biology

Last Answer : answer:

What is the name of tobacco mosaic virus ?

Description : What is the name of tobacco mosaic virus ?

Last Answer : The name of the tobacco mosaic virus is TMV.

Assertion: The genetic material in Tobacco mosaic virus in RNA. Reason: RNA is a type of nucleic acid.

Description : Assertion: The genetic material in Tobacco mosaic virus in RNA. Reason: RNA is a type of nucleic acid.

Last Answer : Assertion: The genetic material in Tobacco mosaic virus in RNA. Reason: RNA is a type of nucleic acid. A. ... is wrong D. If both As and R are wrong.

A tetrovirus is (A) Polio virus (B) HIV (C) Herpes virus (D) Tobacco mosaic virus

Description : A tetrovirus is (A) Polio virus (B) HIV (C) Herpes virus (D) Tobacco mosaic virus

Last Answer : Answer : B

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

Tobacco mosaic virus (TMV) genes are (a) single stranded RNA (b) double stranded DNA (c) proteinaceous (d) double stranded RNA.

Description : Tobacco mosaic virus (TMV) genes are (a) single stranded RNA (b) double stranded DNA (c) proteinaceous (d) double stranded RNA.

Last Answer : (a) single stranded RNA

.Tobacco mosaic virus is a tubular filament of size (a) 300 × 10nm (b) 300 × 5nm (c) 300 × 20nm (d) 700 × 30nm.

Description : .Tobacco mosaic virus is a tubular filament of size (a) 300 × 10nm (b) 300 × 5nm (c) 300 × 20nm (d) 700 × 30nm.

Last Answer : (c) 300 × 20nm

Which of the following shows coiled RNA strand and capsomeres? (a) Polio virus (b) Tobacco mosaic virus (c) Measles virus (d) Retrovirus

Description : Which of the following shows coiled RNA strand and capsomeres? (a) Polio virus (b) Tobacco mosaic virus (c) Measles virus (d) Retrovirus

Last Answer : (b) Tobacco mosaic virus

Yellow vein mosaic resistant variety of okra

Description : Yellow vein mosaic resistant variety of okra

Last Answer : Ans. Pusa Sawani

Yellow vein mosaic of okra is transmitted through

Description : Yellow vein mosaic of okra is transmitted through

Last Answer : Ans. White fly

The vector of sterility mosaic of pigeonpea

Description : The vector of sterility mosaic of pigeonpea

Last Answer : Ans. Mite (Aceria cajani) (5) Groundnut

One of the greatest famines of the nineteenth century suffered by the Irish people which led to over 1 million deaths due to starvation was caused by a fungal infection of the potato crop. The disease it caused was (a) early blight of potatoes (b) heart rot of potatoes (c) late blight of potatoes (d) potato mosaic

Description : One of the greatest famines of the nineteenth century suffered by the Irish people which led to over 1 million deaths due to starvation was caused by a fungal infection of the potato crop. The disease it ... blight of potatoes (b) heart rot of potatoes (c) late blight of potatoes (d) potato mosaic

Last Answer : Ans:(c)

Disease caused by Zn deficiency is (A) Khaira (B) Mosaic (C) Die-back (D) Whip tail

Description : Disease caused by Zn deficiency is (A) Khaira (B) Mosaic (C) Die-back (D) Whip tail

Last Answer : (A) Khaira

The scientific name of Tobacco cutworm

Description : The scientific name of Tobacco cutworm

Last Answer : Ans. Spodoptera litura (13) Pest of Fruit Crops

Exploitation of hybrids in tobacco was carried out by

Description : Exploitation of hybrids in tobacco was carried out by

Last Answer : Ans. Koelreuter

Wheat, cotton, tobacco and oat are

Description : Wheat, cotton, tobacco and oat are

Last Answer : Ans. Allopolyploids

Burning quality of Tobacco decreased due to

Description : Burning quality of Tobacco decreased due to

Last Answer : Ans. Chloride

Downward cupping of leaves in Tobacco and Tea shows

Description : Downward cupping of leaves in Tobacco and Tea shows

Last Answer : Ans. S deficiency

Which of the following plant diseases are caused by viruses? 1. Aster yellows 2. Foot rot of paddy 3. Leaf curl of tobacco 4. Little leaf of Sweet potato Which of the above disease/s is/are caused by the bacteria? (a) 1 and 3 (b) 1, 2, and 4 (c) 2 and 4 (d) 3 and 4

Description : Which of the following plant diseases are caused by viruses? 1. Aster yellows 2. Foot rot of paddy 3. Leaf curl of tobacco 4. Little leaf of Sweet potato Which of the above disease/s is/are caused by the bacteria? (a) 1 and 3 (b) 1, 2, and 4 (c) 2 and 4 (d) 3 and 4

Last Answer : Ans:(a)

Scab disease in apple is caused by

Description : Scab disease in apple is caused by

Last Answer : Ans. Venturia inaequalis

Wart disease of potato is caused by

Description : Wart disease of potato is caused by

Last Answer : Ans. Synchutium endobioticum

Red rot disease is caused by

Description : Red rot disease is caused by

Last Answer : Ans. Colletrotricum falcatum

Wilt disease of chickpea is caused by

Description : Wilt disease of chickpea is caused by

Last Answer : Ans. Fusarium oxisporium

Ergot disease of Bajra is caused by

Description : Ergot disease of Bajra is caused by

Last Answer : Ans. Claviceps fusiformis

Downey Mildew/Green Ear disease of Bajra is caused by

Description : Downey Mildew/Green Ear disease of Bajra is caused by

Last Answer : Ans. Sclerospora graminicola

Montek disease of rice is caused by

Description : Montek disease of rice is caused by

Last Answer : Ans. Rice root nematode (2) Wheat and Barley

Khaira disease of rice is caused by

Description : Khaira disease of rice is caused by

Last Answer : Ans. Zinc deficiency

Disease caused due to deficiency of vitamin K

Description : Disease caused due to deficiency of vitamin K

Last Answer : Ans. Non-coagulation of blood

Disease caused due to deficiency of vitamin E

Description : Disease caused due to deficiency of vitamin E

Last Answer : Ans. Sterility

Disease caused due to deficiency of vitamin B12

Description : Disease caused due to deficiency of vitamin B12

Last Answer : Ans. Pernicious anaemia

Which tree causes virus mosaic disease ?

Last Answer : The " tobacco plant" virus causes mosaic disease.

Which of the following is not a seed borne disease? (a) Redrot of sugarcane (b) Potato mosaic (c) Brown leaf spot of rice (d) Black gram of cotton

Description : Which of the following is not a seed borne disease? (a) Redrot of sugarcane (b) Potato mosaic (c) Brown leaf spot of rice (d) Black gram of cotton

Last Answer : Ans: (b)

What problem was caused by Southern farmers in the 1880s growing cotton and tobacco year after year?

Description : What problem was caused by Southern farmers in the 1880s growing cotton and tobacco year after year?

Last Answer : Crops became smaller and lower in quality each year.

Cirrhosis of liver is caused by the chronic intake of (a) opium (b) alcohol (c) tobacco (chewing) (d) cocaine

Description : Cirrhosis of liver is caused by the chronic intake of (a) opium (b) alcohol (c) tobacco (chewing) (d) cocaine

Last Answer : b) alcohol

Cirrhosis of liver is caused by the chronic intake of (1) Cocaine (2) Opium (3) Alcohol (4) Tobacco (Chewing)

Description : Cirrhosis of liver is caused by the chronic intake of (1) Cocaine (2) Opium (3) Alcohol (4) Tobacco (Chewing)

Last Answer : (3) Alcohol

Downey mildew of cucurbits is caused by

Description : Downey mildew of cucurbits is caused by

Last Answer : Ans. Pseudopernospora cubensis

Powdery mildew of cucurbits is caused by

Description : Powdery mildew of cucurbits is caused by

Last Answer : Ans. Erysiphe cichoracearum

Black rot of cabbage is caused by

Description : Black rot of cabbage is caused by

Last Answer : Ans. Xanthomonas compestris