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 : 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 non-symbiotic biofertilizer? (a) Anabaena (b) Rhizobium (c) VAM (d) Azotobacter
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 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 : What culture should be given priority in groundnut cultivation? 1) Mycorrhiza 2) Rhizobium 3) Phosphobacteria 4) Azospirillum]
Last Answer : 2) Rhizobium
Description : What culture should be given priority in groundnut cultivation? a. Mycorrhiza b. Rhizobium c. Phosphobacteria d. Azospirillum
Last Answer : b. Rhizobium
Description : How does Rhizobium serve as a biofertilizer? -Biology
Last Answer : answer:
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 pairs is not correctly matched? (a) Streptomyces - Antibiotic (b) Serratia - Drug addiction (c) Spirulina - Single cell protein (d) Rhizobium - Biofertilizer
Last Answer : b) Serratia - Drug addiction
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 : 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.
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
Description : A non-photosynthetic aerobic nitrogen fixing soil bacterium is (a) Rhizobium (b) Clostridium (c) Azotobacter (d) Klebsiella.
Last Answer : (c) Azotobacter
Description : One of the free-living, anaerobic nitrogen-fixeris (a) Beijerinckia (b) Rhodospirillum (c) Rhizobium (d) Azotobacter.
Last Answer : b) Rhodospirillum
Description : Which of the following is the pair of biofertilizers? (a) Azolla and BGA (b) Nostoc and legume (c) Rhizobium and grasses (d) Salmonella and E.coli
Last Answer : (a) Azolla and BGA
Description : An example of endomycorrhiza is (a) Nostoc (b) Glomus (c) Agaricus (d) Rhizobium.
Last Answer : (b) Glomus
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 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
Description : Which algae is used as biofertilizer in the production of crop paddy? -Do You Know?
Description : Which algae is used as biofertilizer in the production of crop paddy?
Last Answer : Blue green algae
Description : .Which one single organism or the pair of organisms is correctly assigned to its or their named taxonomic group? (a) Paramecium and Plasmodium belong to the same kingdom as that of Penicillium. (b) ... used in making bread and beer is a fungus. (d) Nostoc and Anabaena are examples of protista.
Last Answer : (c) Yeast used in making bread and beer is a fungus.
Description : Which one single organisms or the pair of organisms is correctly assigned to its or their named taxonomic group ? (1) Nostoc and Anabaena are examples of protista (2) Paramecium and Plasmodium belong to the ... of an algae and a protozoan (4) Yeast used in making bread and beer is a fungus
Last Answer : (4) Yeast used in making bread and beer is a fungus
Description : Soybean crop designated as
Last Answer : Ans.“Boneless meat”
Description : A transgenic food crop which may help in solving the problem of night blindness in developing countries is (a) Bt soybean (b) Golden rice (c) Flavr Savr tomatoes (d) Starlink maize.
Last Answer : b) Golden rice
Description : Which crop is also known as white gold? (A) Maize (B) Opium (C)Soybean (D) Cotton
Last Answer : (D) Cotton
Description : Transgenic crop having maximum cultivated area in the world is (A) Maize (B) Rice (C) Soybean (D) Cotton
Last Answer : (C) Soybean
Description : The grain legume which is also grown as an oilseed crop is (a) Chickpea (b) Urd bean (c) Soybean (d) Lentil
Last Answer : (a) 1880
Description : Which crop is called poor man meat? (a) Green gram (b) Black gram (c) Pegion pea (d) soybean
Last Answer : (d) soybean
Description : The crop which is good for diabetic patient: (a) Green gram (b) Groundnut (c) soybean (d) cowpea
Last Answer : (c) soybean
Description : Soybean is called a wonder crop because it is: (a) An excellent protein source (b) An excellent oilseed crop (c) High yield potential (d) Both a and b
Last Answer : (d) Both a and b
Description : . A non-competitive crop requiring weed free period of three or more months a). Maize b). Rice c). Soybean d). Onion
Last Answer : d). Onion
Description : The competitive crop requiring weed free period of about 3-4 weeks a). Soybean b). Carrot c). Garlic d). Onion
Last Answer : a). Soybean
Description : Gluphosate + Glufosinate (Double Stack) is resistant trait of which crop a).Canola b). Sugarbeet c). Soybean d).Maize
Last Answer : d).Maize
Description : Glufosinate (Bar) is resistant trait of which crop a).Soybean b).Sugarbeet c).Maize d).Cotton
Last Answer : d).Cotton
Description : Among the herbicide resistant crops, which crop was the most dominant transgenic crops in 2010 a).Soybean b). Cotton c). Maize d).Sugarbeet
Last Answer : a).Soybean
Description : Bromoxynil (Bxn) is resistant trait of which crop a).Soybean b).Sugarbeet c).Maize d).Cotton
Description : What is multiple cropping? (a) When seeds are sown on a piece of land and then seedings are transplanted in different fields (b) Dividing a field in two or more parts and then sowing different crops in ... same piece of land (d) Raising two or more crops in succession in a year on the same land
Last Answer : Ans: (b)
Description : Crop Production + livestock raising is called
Last Answer : Ans. Mixed farming
Description : The raising of animals along with crop production is
Last Answer : Ans.Mixed farming
Description : Raising of crop with least tillage operation is called a. Zero tillage b. Minimum tillage c. Heavy tillage d. No tillage
Last Answer : b. Minimum tillage
Description : ‘Agronomy’ is the practice of raising ______ (1) Plants and Animals (2) Crop plants (3) Agriculture (4) Fruit plants only
Last Answer : Crop plants
Description : How does Mycorrhiza serve as a biofertilizer? -Biology
Description : Zinc solubilizing bacterial biofertilizer is
Last Answer : Ans. Azozink
Description : Which of the following fern is an excellent biofertilizer? (a) Marsilea (b) Pteridium (c) Azolla (d) Salvinia
Last Answer : (c) Azolla
Description : Which one is not biofertilizer ? (A) Multiflex (B) PSB (C) Vermicompost (D) NADEP
Last Answer : (A) Multiflex
Description : Main function of biofertilizer is— (A) To increase chemical process (B) To increase physiological process (C) To increase biological process (D) To increase photosynthesis process
Last Answer : (C) To increase biological process
Description : Which of the following is Phosphate solubilizing biofertilizer a. Aspergillus b. Rhizopus c. Psudomonas d. All of these
Last Answer : d. All of these
Description : Main function of biofertilizer is a) To increase chemical process b) To increase physiological process c) To increase biological process d) To increase photosynthesis process
Last Answer : c) To increase biological process