Description : Brown leaf spot of rice is caused by — a. Drechslera oryzae b. Cercspora arachidicola c. Xanthomonas oryzae d. Pyricularia oryzae
Last Answer : a. Drechslera oryzae
Description : Bacterial leaf blight of rice is caused by a species (a) Alternaria (b) Erwinia (c) Xanthomonas (d) Pseudomonas.
Last Answer : (c) Xanthomonas
Description : Which one is the wrong pairing for the disease and its causal organism? (a) Black rust of wheat-Puccinia graminis (b) Loose smut of wheat-Ustilago nuda (c) Root knot of vegetables-Meloidogyne sp. (d) Late blight of potato-Alternaria solani
Last Answer : (d) Birds nest fungi and puffballs
Description : Black (stem) rust of wheat is caused by (a) Alternaria solani (b) Ustilago nuda (c) Puccinia graminis (d) Xanthomonas oryzae
Last Answer : (c) Puccinia graminis
Description : The causal organism of Anthracnose/Pod blight
Last Answer : Ans. Colletotrichum truncatum (8) Sunflower and Sesame
Description : The causal organism of bunt of rice is — a. Urocystis tritici b. Tilletia foetida c. Nevossia horrida d. None of these
Last Answer : c. Nevossia horrida
Description : The most destructive phase of the bacterial blight of rice is known as
Last Answer : Ans. Kresek
Description : Which one of the following is linked to the discovery of Bordeaux mixture as a popular fungicide? (a) Loose smut of wheat (b) Black rust of wheat (c) Bacterial leaf blight of rice (d) Downy mildew of grapes
Last Answer : d) Downy mildew of grapes
Description : The causal organism of brown spot of rice
Last Answer : Ans. Helminthosporium oryzae
Description : Bacterial blight disease is
Last Answer : Ans. Internally seed borne
Description : Which of the following is a bacterial disease? (a) Early blight of potatoes (b) Loose smut of wheat (c) Red rot of sugarcane (d) Red stripe of sugarcane
Last Answer : Ans:(d)
Description : Consider the following four measures (A-D) that could be taken to successfully grow chickpea in an area where bacterial blight disease is common. (A) Spray with Bordeaux mixture (B) Control of the insect vector of the disease pathogen (C) ... (D) (b) (A) and (D) (c) (B) and (C) (d) (A) and (B)
Last Answer : (b) (A) and (D)
Description : The main reason of Irish Famine in Potato was—(A) Late Blight disease (B) Bacterial Blight disease (C) Blast disease (D) Ear Cockle disease
Last Answer : (A) Late Blight disease
Description : Early blight and late blight of potato are a. Fungal disease b. Viral disease c. Bacterial disease d. Disorder
Last Answer : Fungal disease
Description : Citrus canker is caused by
Last Answer : Ans. Xanthomonas compestris pv citri
Description : Which of the following organism produces enzyme taka diastase? A- A. oryzae B- B. subtilis C- A. niger D- S. cerevisiae
Last Answer : A. oryzae
Description : Who discovered the causal organism of the disease Anthrax? -Do You Know?
Last Answer : answer:
Description : Which of the following statement is correct? (1) The causal organism for foolish seedling disease is the source of gibberellin (2) Abscisic acid is a growth promoter (3) The ratio of auxin : cytokinin control cell differentiation (4) Bolting of cabbage can be induced by treatment with IAA
Last Answer : Ans. ((d))
Description : The causal organism of Phyllody disease of sesame
Last Answer : Ans. MLO (9) Cotton
Description : The causal organism of collar rot disease
Last Answer : Ans. Aspergillus niger
Description : The causal organism of Ranikhet disease of fowls is...... (A) Pasteurella multocida (B) Brucella melitensis (C) Clorstridium chauvoei (D) Sporoltrix schenkii (E) None of these
Last Answer : (C) Clorstridium chauvoei
Description : Who discovered the causal organism of the disease Anthrax?
Last Answer : Robert Koch
Description : The storage pathogen of rice is: (a) Xanthomanas oryzae (b) Helminthosporiurn oryzae (c) Pyricularia oryzae (d) Calanoluca oryzae
Description : What is rice blight disease ?
Last Answer : Blight disease of rice is a bacterial disease This disease is called rice leaf burning disease in our country. Farmers in Japan are the first to find this disease They thought it was an environmental ... different parts of the world. The first case of this disease was reported in Bangladesh in 198.
Description : Phomopsis blight and Bacterial blight resistant variety of brinjal
Last Answer : Ans. Pant Samrat
Description : Bacterial blight/Angular leaf spot is caused by
Last Answer : Ans. Xanthmonas malvacearum (10) Sugarcane
Description : Black arm or bacterial blight is due to
Last Answer : Ans. Xanthomonas compestris
Description : The causal organism of sugarcane smut
Last Answer : Ans. Ustilego citamini
Description : The causal organism of Head Smut of sorghum
Last Answer : Ans. Sphacelotheca relliana
Description : The causal organism of Grain Smut of sorghum
Last Answer : Ans. Sphacelotheca sorghi
Description : The causal organism of covered smut of barley
Last Answer : Ans. Ustilago hardei
Description : The causal organism of Brown/orange/leaf rust
Last Answer : Ans. Puccinia recondita
Description : The causal organism of Yellow/strip rust
Last Answer : Ans. Puccinia striformis
Description : The causal organism of Black/stem rust
Last Answer : Ans. Puccinia gramini triticii
Description : The causal organism for African sleeping sickness is (a) Trypanosoma cruzi (b) T. rhodesiense (c) T. tangela (d) T. gambiense
Last Answer : (d) T. gambiense.
Description : What is the causal organism of Powdery mildew of Ricinus communis ? (A) Sphacelotheca reiliana (B) Claviceps microcephala (C) Leveillula taurica (D) Puccinia carthami (E) Fusarium annuum
Last Answer : (C) Leveillula taurica
Description : The Black rust of disease of wheat is caused by- a) Xanthomonas graminis b) Puccinia graminis c) Puccinia recondita d) None of these
Last Answer : b) Puccinia graminis
Description : The Hyderabad based Centre for Cellular and Molecular Biology (CCMB) and Indian Institute of Rice Research (IIRR) has developed Improved Samba Masuri (ISM) variety rice with which feature? a. Low Glycemic Index (GI) b. Bacterial Resistance c. High Cholesterol d. Both a and c
Last Answer : d. Both a and c
Description : The main cause of leaf mottle disease in citrus is due to the deficiency of - a) Manganese b) Sulphar c) Zinc d) Iron
Last Answer : c) Zinc
Description : Kolshi disease of citrus cause due to — pest a. Leaf miner b. White fly & Black fly c. Citrus psylla d. Fruit sucking moth
Last Answer : b. White fly & Black fly
Description : Elasticity of demand measures the A.Sensitivity of sales to changes in a particular causal factor B.Sensitivity of production to changes in a particular cost C.Value of price and cost D.Volume of product
Last Answer : A.Sensitivity of sales to changes in a particular causal factor
Description : ritrichomonas gallinae in pigeon f cause a disease known as D A. Canker B. Frounce C. Both D. Trichomoniasis
Last Answer : Trichomoniasis
Description : Protease, which is used for flavouring of sake and haze removal in sake is produced by A.A. oryzae B.A. flavus C.B. cereus D.A. niger
Last Answer : A.A. oryzae
Description : Which of the following microorganism produces only L(+) - lactic acid without further racemization ? A.Leuconostoc mesenteroides B.Lactobacillus delbrueckii C.Rhizopus oryzae D.Lactobacillus bulgaricus
Last Answer : C.Rhizopus oryzae
Description : Which fungus is responsible for disease late blight of potato? -General Knowledge
Last Answer : The answer is 'Phytophthora infestans'
Description : 'Blight' the disease of potato can be cured by (a) Dionine (b) Bordeaux mixture (c) Diathane (d) DDT
Last Answer : Ans: (b)
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)
Description : Which fungus is responsible for disease late blight of potato
Last Answer : Phytophthora infestans