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 : The biofertilizers are (a) Anabaena and Azolla (b) cow dung, manure and farmyard waste (c) quick growing crop ploughed under soil (d) none of these.
Last Answer : (a) Anabaena and Azolla
Description : A free living nitrogen-fixing cyanobacterium which can also form symbiotic association with the water fern Azolla is (a) Tolypothrix (b) Chlorella (c) Nostoc (d) Anabaena.
Last Answer : (d) Anabaena.
Description : Which aquatic fern performs nitrogen fixation? (a) Azolla (b) Nostoc (c) Salvia (d) Salvinia
Last Answer : (a) Azolla
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 of the following organisms is used as a biopesticide ? (l) Azolla (2) Anabaena (3) Rhizobium (4) Trichoderma
Last Answer : (4) Trichoderma
Description : An example of endomycorrhiza is (a) Nostoc (b) Glomus (c) Agaricus (d) Rhizobium.
Last Answer : (b) Glomus
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 : 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 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 : Rhizobium fixes nitrogens in the roots of _____, so they don't need to be fertilized; in fact they add nitrogen to the soil. a. corn b. legumes c. wheat d. grasses e. oats
Last Answer : b. legumes
Description : Transformation experiment was first performed on which bacteria? (a) E. coli (b) Diplococcus pneumoniae (c) Salmonella (d) Pasteurella pestis
Last Answer : b) Diplococcus pneumoniae
Description : n the time since E. coli and Salmonella diverged evolutionarily A.there has been little change in either genome B.E. coli has acquired many genes via horizontal transfer C.E, coli has lost approximately 50% of its genome D.none of these
Last Answer : C.E, coli has lost approximately 50% of its genome
Description : In the time since E. coli and Salmonella diverged evolutionarily A.there has been little change in either genome B.E. coli has acquired many genes via horizontal transfer C.E, coli has lost approximately 50% of its genome D.none of these
Description : In the time since E. coli and Salmonella diverged evolutionarily A- there has been little change in either genome B- E. coli has acquired many genes via horizontal transfer C- E, coli has lost approximately 50% of its genome D- none of these
Last Answer : E, coli has lost approximately 50% of its genome
Description : An example of an anaerobe that causes disease in humans is _____. Clostridium a. E.coli b. Salmonella c. Pseudomonas
Last Answer : a. E.coli
Description : Amoebic dysentery is caused by (1) Entamoeba histolytica (2) Salmonella typhi (3) E. coli (4) Streptococcus pyogenes
Last Answer : Entamoeba histolytica
Description : Assertion : Escherichia coli, Shigella sp. And salmonella sp. Are all responsible for diarrhoeal diseases. Reason : Dehydration is common to all types
Last Answer : Assertion : Escherichia coli, Shigella sp. And salmonella sp. Are all responsible for diarrhoeal ... If both the assertion and reason are false
Description : Semi-conservative replication of DNA was first demonstrated in (a) Escherichia coli (b) Streptococcus pneumoniae (c) Salmonella typhimurium (d) Drosophila melanogaster.
Last Answer : (c) Salmonella typhimurium
Description : Hemorrhagic colitis and hemolytic uremic syndrome are associated with a. Helicobacter Pylori. b. Staphylococcus Aureus. c. Escherichia Coli. d. Salmonella Typhi.
Last Answer : c. Escherichia Coli.
Description : Gastric ulcer disease is caused by a. Helicobacter pylori. b. Yersinia entercolitica. c. Escherichia coli. d. Salmonella Typh
Last Answer : a. Yersinia pestis.
Description : Gastric ulcer disease is caused by a. Helicobacter pylori. b. Yersinia entercolitica. c. Escherichia coli. d. Salmonella Typhi.
Last Answer : a. Helicobacter pylori.
Description : BGA (blue green algae) are included in which of the following groups? (a) Bryophytes (b) Prokaryotes (c) Protista (d) Fungi
Last Answer : (b) Prokaryotes
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 : Identify the correct pair representing the causative agent of typhoid fever and the confirmatory test for typhoid. (a) Salmonella typhi / Widal test (b) Plasmodium vivax / UTI test (c) Streptococcus pneumoniae / Widal test (d) Salmonella typhi / Anthrone test
Last Answer : (a) Salmonella typhi / Widal test
Description : What are the uses of biofertilizers? -Biology
Last Answer : answer:
Description : Define biofertilizers? -Science
Description : The state which has recently overtaken Karnataka for the top rank in the production of biofertilizers is : (1) Tamil Nadu (2) Gujarat (3) Maharashtra (4) Punjab
Last Answer : (1) Tamil Nadu Explanation: Tamil Nadu overtook Karnataka. In 2009-10, Tamil Nadu produced 3733 tonnes of bio-fertilizers followed by Karnataka, 3696 tonnes. The other major producers of biofertilizers were Kerala (1937 tonnes), Maharashtra (1861 tonnes) and Madhya Pradesh (1588 tonnes).
Description : Biofertilizers convert nitrogen to (1) nitrates (2) ammonia (3) nitrogenase (4) amino acids
Last Answer : (2) ammonia Explanation: Bio-fertilizers are microorganisms which bring about nutrient enrichment of soil by enhancing the availability of nutrients to crops. The micro-organisms which act as bio ... bacteria convert free nitrogen to ammonia, which the host plant utilizes for its development.
Description : Bacillus thuringiensis (Bt) strains have been used for designing novel (a) biofertilizers (b) bio-metallurgical techniques (c) bio-mineralization processes (d) bioinsecticidal plants.
Last Answer : (d) bioinsecticidal plants.
Description : Biofertilizers are – 1) Organic manures 2) Green manure 3) Culture of micro-organism 4) None of these
Last Answer : 3) Culture of micro-organism
Description : Biofertilizers convert nitrogen to _______ . (1) nitrates (2) ammonia (3) nitrogenase (4) amino acids
Last Answer : ammonia
Description : Is it possible to purchase Azolla seeds?
Last Answer : they use it in warm area to fertilize rice paddies. I guess it depends on where you live if it will grow. Also will spread and used for animals. This is in the fern family, does not have flowers.
Description : Azolla increases soil fertility for – (1) maize cultivation (2) wheat cultivation (3) barley cultivation (4) rice cultivation
Last Answer : (4) rice cultivation Explanation: The nitrogen-fixing capability of Azolla has led to it being widely used as a biofertiliser for increasing the productivity of rice fields. When rice paddies ... can be inoculated with Azolla., which then quickly multiplies to cover the water, suppressing weeds.
Description : The smallest flowering plant is - (1) Wolffia (2) Lemma (3) Azolla (4) Ficus
Last Answer : (1) Wolffia Explanation: Wolffia is a genus of 9 to 11 species which include the smallest flowering plants on Earth. Commonly called watermeal or duckweed, these aquatic plants resemble specks of ... together in pairs or form floating mats with related plants, such as Lemna and Spirodela species.
Description : The second stage of hydrosere is occupied by plants like (a) Azolla (b) Typha (c) Salix (d) Vallisneria.
Last Answer : (d) Vallisneria.
Description : Which of the following fern is an excellent biofertilizer? (a) Marsilea (b) Pteridium (c) Azolla (d) Salvinia
Last Answer : (c) Azolla
Description : Which aquatic fern is used to increase the yield in paddy crop? (a) Azolla (b) Salvinia (c) Marsilea (d) Isoetes
Description : Which one of the following plants are used as green manure in crop fields and in sandy soils? (a) Crotalaria juncea and Alhagi camelorum (b) Calotropis procera and Phyllanthus niruri (c) Saccharum munja and Lantana camara (d) Dichanthium annulatum and Azolla nilotica
Last Answer : (a) Crotalaria juncea and Alhagi camelorum
Description : A nitrogen-fixing microbe associated with Azolla in rice fields is (a) Spirulina (b) Anabaena (c) Frankia (d) Tolypothrix.
Last Answer : (b) Anabaena
Description : A water-fern, which is used as a green manure in rice fields, is (a) Salvinia (b) Mucor (c) Aspergillus (d) Azolla
Last Answer : (d) Azolla
Description : Azolla pinnata is a). a fern b). an algae c). a gymnosperm d). an angiosperm
Last Answer : a). a fern
Description : Besides providing N Azolla is used for weed control in a). Wheat b). Rice c). Castor d). Linseed
Last Answer : b). Rice
Description : A nitrogen-fixing microbe associated with Azolla in rice fields is (1) Tolypothrix (2) Spirulina (3) Anabaena (4) Frankia
Last Answer : (3) Anabaena
Description : Azolla increases soil fertility for (1) maize cultivation (2) wheat cultivation (3) barley cultivation (4) rice cultivation
Last Answer : rice cultivation
Description : The smallest flowering plant is : (1) Wolffia (2) Lemma (3) Azolla (4) Ficus
Last Answer : Wolffia
Description : What's the difference between a nut and a legume?
Last Answer : answer:justfuckinggoogleit.com http://www.google.com/search?q[equal]nut+legume&ie[equal]utf-8&oe[equal]utf-8&aq[equal]t&rls[equal]org.mozilla:en-US:official&client[equal]firefox-a