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 black rust of wheat is a fungal disease caused by (a) Albugo candida (b) Puccinia graminis tritici (c) Melampsora lini (d) Claviceps purpurea.
Last Answer : (b) Puccinia graminis tritici
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 : $ Puccinia graminis causes rust disease of wheat. ! Sexual reproduction is absent in fungi imperfecti.
Last Answer : $ Puccinia graminis causes rust disease of wheat. ! Sexual reproduction is absent in fungi imperfecti. A. If ... wrong D. If both As and R are wrong.
Description : . Black rust of wheat is caused by (a) Puccinia (b) Ustilago (c) Albugo (d) Phytophthora
Last Answer : (a) Puccinia
Description : Smut of wheat is mused by – (1) Ustilago maydis (2) Puccinia graminis (3) Ustilago tritici (4) Colletotrichum falcatum
Last Answer : (3) Ustilago tritici Explanation: Smut of wheat is caused by Ustilago tritici.
Description : Smut of wheat is coused by (1) Ustilago maydis (2) Puccinia graminis (3) Ustilago tritici (4) Colletotrichum falcatum
Last Answer : Ustilago tritici
Description : A bio-herbicide to control Poa annua a). Smolder (Alternaria destruens) b). Woad Warrior (Puccinia thaspeos) c). Sarritor (Sclerotinia minor) d). Camperico (Xanthomonas campestris)
Last Answer : d). Camperico (Xanthomonas campestris)
Description : White rust is an important fungal disease of? a. Wheat b. Mustard c. Rice d. Bajra e. Tea
Last Answer : b. Mustard
Description : White rust is an important fungal disease of – a) Wheat b) Mustard c) Rice d) Bajra
Last Answer : b) Mustard
Description : Sunflower rust is caused by a. Puccinia carthami b. Puccinia helianthi c. Melampsora ricini d. Puccinia eriathi
Last Answer : b. Puccinia helianthi
Description : Tundu disease (yellow ear rot) of wheat caused by Clavibacter tritici is usually associated with (a) Heterodera evenae (b) Anguina tritici (c) Meloidogyne incognita (d) Pratylenchulus sp
Last Answer : (b) Anguina tritici
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 : Which one of the pathogens is monocylic? a) Ustilago b) Alternaria c) Phytophthora d) Puccinia
Last Answer : a) Ustilago
Description : Puccinia forms uredia and (a) telia on wheat leaves (b) aecia on barberry leaves (c) pycnia on barberry leaves (d) aecia on wheat leaves.
Last Answer : (a) telia on wheat leaves
Description : Bacterial leaf blight of rice is caused by a species (a) Alternaria (b) Erwinia (c) Xanthomonas (d) Pseudomonas.
Last Answer : (c) Xanthomonas
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 : The disease caused by Leptosphaeria sacchari in sugarcane is (a) Red rot (b) Black rot (c) Ring spot (d) Brown rot
Last Answer : (c) Ring spot
Description : ‘Himgiri’ developed by hybridisation and selection for disease resistance against rust pathogens is a variety of (a) chilli (b) maize (c) sugarcane (d) wheat.
Last Answer : (d) wheat.
Description : Xanthomonas oryzae is causal organism of — disease a. Citrus canker b. Bacterial blight of rice c. Fire blight of apple d. Corn stunt
Last Answer : b. Bacterial blight of rice
Description : Alternate host of black stem rust of wheat in India is
Last Answer : Ans. Berberries sp.
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 : Seed treatment with Vitavex is the main controlling method of— (A) Loose smut (B) Rust (C) Downy mildew (D) All of these
Last Answer : (D) All of these
Description : The alternate host for pearl millet rust is a. Brinjal b. Tomato c. Mustard d. Okra
Last Answer : a. Brinjal
Description : In India the leaf rust of coffee was first time recorded in (a) 1856 (b) 1870 (c) 1880 (d) 1943
Last Answer : (b) 1870
Description : What is the disease caused by magnesium deficiency ?
Last Answer : : Disruption of chlorophyll production due to magnesium deficiency disease.
Description : Disease caused by Zn deficiency is (A) Khaira (B) Mosaic (C) Die-back (D) Whip tail
Last Answer : (A) Khaira
Description : Whip tail disease of cauliflower is caused by deficiency of— (A) Nitrogen (B) Boron (C) Molybdenum (D) Zinc
Last Answer : (C) Molybdenum
Description : The khaira disease of rice is caused due to deficiency of which of the following? [a] Zinc [b] Nickel [c] Nitrogen [d] Sulphur [e] None of the above
Last Answer : [d] Sulphur
Description : Which stage of the wheat rust fungus is considered as the perfect stage ?
Last Answer : Ans. Telial stage (3) Maize, Sorghum and Bajra
Description : Which rust was earliest appeared in India on wheat
Last Answer : Ans. Brown/Orange/Leaf rust
Description : Which scientist studied about wheat rust problem?
Last Answer : K. C. Mehta
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
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.
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
Description : Cellulose is the major component of cell walls of (a) Pseudomonas (b) Saccharomyces (c) Pythium (d) Xanthomonas.
Last Answer : (c) Pythium
Description : A cabbage disease which is known to be more severe in acidic soils is? a. Club foot b. Yellows c. Black rot d. Damning off
Last Answer : a. Club foot
Description : Which disease also known as, spleenic fever? a anthraxb milk fever c black quarter d haemorrgmhagic septicimea
Last Answer : a anthrax
Description : The black wart disease of potato specially confined to Darjeeling hills is causes by pathogen (a) Synchytrium endobioticum (b) Plasmodiophora brassicae (c) Sclerospora sorghi (d) Plasmopoa viticola
Last Answer : (a) Synchytrium endobioticum
Description : Which soil is suitable for wheat cultivation ?
Last Answer : Loam or sandy loam is suitable soil for wheat cultivation.
Description : What to do with soil for wheat cultivation ?
Last Answer : To cultivate wheat, the soil needs to be loosened.
Description : How much cultivation is required to prepare wheat land ?
Last Answer : Three to four cultivations are required to prepare wheat land.
Description : When is the best time to cultivate wheat ?
Last Answer : Kartik-Agrahayan month is the best time to cultivate wheat.
Description : What is the level of acidity and alkalinity of soil for wheat cultivation ?
Last Answer : For wheat cultivation, soil acidity and alkalinity level should be 6.0 to 7.0 .
Description : In which region of Bangladesh wheat cultivation is better ?
Last Answer : Wheat cultivation is good in the northern part of Bangladesh.
Description : What are the nutrients of wheat and maize ?
Last Answer : The nutrient content of wheat and corn is called sugar
Last Answer : Characteristics of barley wheat: The height of 4-5 Kushi trees is 95-100 cm. The sheaf takes 55-60 days to emerge and the lifespan is 102-106 days. The sheaf is medium and the number ... per hectare 4000-5500 kg in suitable environment. The variety is heat tolerant and suitable for late sowing.
Description : Major cropping system of transgangatic plains is (A)Soybean – wheat (B) Rice – rice (C) Rice –wheat (D) Maize – wheat
Last Answer : (C) Rice –wheat
Description : Dwarfing gene in wheat is : (A) Nif – gene (B) Norin (C) Dee – gee – woo – gen (D) Proteina
Last Answer : (B) Norin
Description : In India maximum area under wheat is occupied by the Species? (A)Triticum aestivum (B) Triticum dicoccum (C) Triticum durum (D) Triticum vulgare
Last Answer : (A)Triticum aestivum