Description : What culture should be given priority in groundnut cultivation? 1) Mycorrhiza 2) Rhizobium 3) Phosphobacteria 4) Azospirillum]
Last Answer : 2) Rhizobium
Description : Symbiotic nitrogen fixing bacteria is — a. Azotobacter b. Azospirillum c. Rhizobium d. None of these
Last Answer : c. Rhizobium
Description : Which of the following is also used as a Bio fertilizer? (1) Rhizobium (2) Azotobactar (3) Azospirillum (4) All of the above
Last Answer : (4) All of the above Explanation: Rhizobium, Azotobacter, Azospirillum and blue green algae are traditionally used as Bio fertilizers.
Description : The common nitrogen-fixer in paddy fields is (a) Rhizobium (b) Azospirillum (c) Oscillatoria (d) Frankia.
Last Answer : (b) Azospirillum
Description : An organism used as a biofertilizer for raising soybean crop is (a) Azotobacter (b) Azospirillum (c) Rhizobium (d) Nostoc.
Last Answer : (c) Rhizobium
Description : ___ is the example of associative, nonsymbiotic nitrogen fixing organism. (A) Rhizobium (B) Azorhizobium (C) Pseudomonas ‘ (D) Azospirillum
Last Answer : (C) Pseudomonas ‘
Description : Which of the following is free-living aerobic non- photosynthetic nitrogen-fixing bacterium? (a) Nostoc (b) Azospirillum (c) Rhizobium (d) Azotobacter
Last Answer : (d) Azotobacter
Description : Farmers have reported over 50% higher yields of rice by using which of the following biofertilizer? (a) Cyanobacteria (b) legume-Rhizobium symbiosis (c) Mycorrhiza (d) Azolla pinnata
Last Answer : (d) Azolla pinnata
Description : Which one of the following is not a biofertiliser? (a) Agrobacterium (b) Rhizobium (c) Nostoc (d) Mycorrhiza
Last Answer : (a) Agrobacterium
Description : Select the mismatch. (a) Rhodospirillum – Mycorrhiza (b) Anabaena – Nitrogen fixer (c) Rhizobium – Alfalfa (d) Frankia – Alnus
Last Answer : (a) Rhodospirillum – Mycorrhiza
Description : Select the mismatch : (1) Rhodospirillum - Mycorrhiza (2) Anabaena - Nitrogen fixer (3) Rhizobium - Alfalfa (4) Frankia - Alnus
Last Answer : (1) Rhodospirillum - Mycorrhiza
Description : Rhizobium japonicum culture is applied for crops
Last Answer : Ans. Soybean and Groundnut
Description : Most suitable soil for groundnut cultivation
Last Answer : Ans.Sandy loam soil
Description : Which crop is recommended for Zaid season cultivation in Uttar Pradesh ? (A) Vegetable pea (B) Groundnut (C) Barley (D) Lentil
Last Answer : (B) Groundnut
Description : Which of the following is used as Biofertilizer? a) Rhizobium b) Blue-green algae c) Azolla d) All of these
Last Answer : d) All of these
Description : Which Rhizobium species is used in soyabean a. R.japonicum b. R. trifoli c. R.Phaseoli d. None of these
Last Answer : a. R.japonicum
Description : Match column -I with column - II. Column-I Column-II A. Saprophyte (i) Symbiotic association of fungi with plant roots B. Parasite (ii) Decomposition of dead organic materials C. Lichens (iii) Living on living plants or animals D. ... (iii) (iv) (c) (iii) (ii) (i) (iv) (d) (ii) (i) (iii) (iv)
Last Answer : (a) (ii) (iii) (iv) (i)
Description : Which of the following crops are grown in Rabi as well as in Kharif season - I. Jowar II. Maize III. Urad (Black gram) IV. Moong (Green gram) V. Groundnut Correct code is - a. Only II, III and IV b. Only I, II and IV c. Only IV d. I, II, III, IV, V all
Last Answer : d. I, II, III, IV, V all
Description : ICRISAT researchers have developed strategies to keep groundnut free of which toxins? 1. Aflatoxin 2. Fungi toxin 3. Bacterial toxin 4. Both a and b
Last Answer : 4. Both a and b
Description : Spreading type of groundnut have — character a. Dormant seed b. Good yielder c. Both a & b d. None of these
Last Answer : c. Both a & b
Description : Which of the following crop have higher water use efficiency a. Sorghum b. Finger millet c. Groundnut d. Wheat
Last Answer : b. Finger millet
Description : Which of the following pair of crop & critical growth stage for irrigation is not correctly matched ? a. Wheat – CRI b. Maize – Tasseling c. Gram – Flowering d. Groundnut – Pegging
Last Answer : c. Gram – Flowering
Description : In Groundnut pegging stage comes after — DAS a. 35 b. 45 c. 55 d. 65
Last Answer : c. 55
Description : NRC1 for Groundnut located at — a. Junagadh b. Bhopal c. Indore d. Hyderabad
Last Answer : a. Junagadh
Description : Intercultural operation in groundnut should be completed before — crop growth stage a. Flowering b. Pegging c. Branching d. Gap filling
Last Answer : a. Flowering
Description : “Retting” is a process associated with which crop? a. Groundnut b. Maize c. Rice d. Jute
Last Answer : d. Jute
Description : Tikka disease of Groundnut is caused by — a. Cercospora arachidicola b. Cercosporidium personatum c. Both a & b d. Drechslera graminea
Description : In erect groundnut variety drum rolling operation is carried out at — DAS. a. 30 to 45 b. 45 to 55 c. 55 to 60 d. After 60
Last Answer : c. 55 to 60
Description : Groundnut wilting and damaged root is symptom of attack of — pest. a. Odontotermes obesus b. Spodoptera litura c. Holotrichia consanguinea d. None of these
Last Answer : c. Holotrichia consanguinea
Description : Identify the crop on the basis of the following characteristics - 1. It is a kharif crop. 2. Aus, Aman and Boro are its three different growing periods in an agricultural yea 3. About one-fourth of the ... . Select the correct answer using the code given below - a. Wheat b. Rice c. Cotton d. Pulses
Last Answer : b. Rice
Description : What are Mycorrhizae (Mycorrhiza)? -Biology
Last Answer : answer:
Description : How does Mycorrhiza serve as a biofertilizer? -Biology
Description : Mycorrhiza and its usefulness for some plants? -Biology
Description : What is mycorrhiza? -Biology
Description : $ Mycorrhiza is a type of symbiosis. ! Lichens have phycobiont and mycobiont.
Last Answer : $ Mycorrhiza is a type of symbiosis. ! Lichens have phycobiont and mycobiont. A. If both As and R are ... is wrong D. If both As and R are wrong.
Description : Free-living nitrogen fixing microorganisms are - (1) Rhizobia (2) Soil fungi (3) Vesicular arbuscular mycorrhiza (4) Blue green algae
Last Answer : (1) Rhizobia Explanation: Rhizobia are soil bacteria that fix nitrogen (diazotrophs) after becoming established inside root nodules of legumes. Rhizobia require a plant host; they cannot independently fix nitrogen. In general, they are Gram-negative, motile, non-sporulating rods.
Description : Define Lichens and Mycorrhiza?
Last Answer : Lichens: - Some fungi are associated with some algae to form lichens. Such a fungus gets the food prepared by the alga and in turn provides protection and water to the alga. Mycorrhiza: - Mychorrhizal ... plant. They get food from roots and in turn help the plant for the absorption of water.
Description : Mycorrhiza exhibits the phenomenon of (a) parasitism (b) symbiosis (c) antagonism (d) endemism.
Last Answer : (b) symbiosis
Description : Mycorrhiza is an example of (a) symbiotic relationship (b) ectoparasitism (c) endoparasitism (d) decomposers.
Last Answer : (a) symbiotic relationship
Description : Mycorrhiza is associated with what part of plants? (A) Roots (B) Leaf (C) Stem (D) Fruits
Last Answer : (A) Roots
Description : Mycorrhiza is correctly described as (a) parasitic association between roots and some fungi (b) symbiotic relationship between fungi and roots of some higher plants (c) symbiosis of algae and fungi (d) relation of ants with the stem of some trees.
Last Answer : (b) symbiotic relationship between fungi and roots of some higher plants
Description : Curing of tea leaves is brought about by the activity of (a) fungi (b) bacteria (c) mycorrhiza (d) viruses.
Last Answer : (b) bacteria
Description : Proof that plants can grow and reproduce using onl inorganic nutrients comes from the study of: a) phototrophic nutrition b) mycorrhiza c) hydroponics d) humus
Last Answer : ANSWER: C -- HYDROPONICS
Description : Free-living nitrogen fixing microorganisms are (1) Rhizobia (2) Soil fungi (3) Vesicular arbuscular mycorrhiza (4) Blue green algae
Last Answer : Rhizobia
Description : Explain virus cultivation in cell culture. -Biology
Description : Which of the following is a part of tertiary sector? (1) Power and transportation (2) Animal Husbandry (3) Cotton manufacturing (4) Cultivation of crops
Last Answer : (1) Power and transportation Explanation: The service sector, also called the tertiary sector. is one of the three parts of the economy in the Threesector hypothesis. It involves the provision of ... retailing, or may involve the provision of a service, such as in pest control or entertainment.
Description : Commercialization of agriculture implies - (1) cultivation of Limbers (2) plantation (3) production of crops for sale (4) production of crops like wheat or rice
Last Answer : (3) production of crops for sale Explanation: Commercial agriculture is largescale production of crops for sale, intended for widespread distribution to wholesalers or retail outlets. In commercial farming ... sugarcane, cashew, rubber, banana, and cotton are harvested and sold into world markets.
Description : Waste land includes........................... ? (a) Land left without cultivation for one or less than one agricultural year (b) Land put to non-agricultural uses (c) Land left uncultivated for the past 1 to 5 agricultural years (d) Rocky, arid and desert areas
Last Answer : (d) Rocky, arid and desert areas
Description : Which of the following is not a measure for soil conservation? (a) Strip cropping (b) Terrace cultivation (c) Overdrawing of ground water (d) Shelter belts
Last Answer : (c) Overdrawing of ground water