Nitrogen fixing bacteria found in the root nodules of leguminous plant is:- (1) Saprophytic (2) Parasitic (3) Symbiotic (4) Autotrophic

Nitrogen fixing bacteria found in the root nodules of leguminous plant is:- (1) Saprophytic (2) Parasitic (3) Symbiotic (4) Autotrophic
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(3) Symbiotic Explanation: Many legumes have root nodules that provide a home for symbiotic nitrogenfixing bacteria called rhizobia. This relationship is particularly common in nitrogen-limited conditions. .
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Root nodules are commonly found in – (1) Parasitic plants (2) Epiphytic plants (3) Leguminous plants (4) Aquatic plants

Description : Root nodules are commonly found in – (1) Parasitic plants (2) Epiphytic plants (3) Leguminous plants (4) Aquatic plants

Last Answer : (3) Leguminous plants

Root nodules are commonly found in : (1) Parasitic plants (2) Epiphytic plants (3) Leguminous plants (4) Aquatic plants

Description : Root nodules are commonly found in : (1) Parasitic plants (2) Epiphytic plants (3) Leguminous plants (4) Aquatic plants

Last Answer : Leguminous plants

Leguminous plants are able to fix atmospheric nitrogen through the process of symbiotic nitrogen fixation. Which one of the following statements is not correct during this process of nitrogen fixation? (a) Leghaemoglobin scavenges oxygen and is pinkish in colour. (b) Nodules act as sites for nitrogen fixation. (c) The enzyme nitrogenase catalyses the conversion of atmospheric N2 to NH3. (d) Nitrogenase is insensitive to oxygen.

Description : Leguminous plants are able to fix atmospheric nitrogen through the process of symbiotic nitrogen fixation. Which one of the following statements is not correct during this process of nitrogen fixation ... the conversion of atmospheric N2 to NH3. (d) Nitrogenase is insensitive to oxygen.

Last Answer : (d) Nitrogenase is insensitive to oxygen.

Rhizobium is a kind of – (1) Photosynthetic bacteria (2) Symbiotic bacteria (3) Parasitic bacteria (4) Saprophytic bacteria

Description : Rhizobium is a kind of – (1) Photosynthetic bacteria (2) Symbiotic bacteria (3) Parasitic bacteria (4) Saprophytic bacteria

Last Answer : (2) Symbiotic bacteria Explanation: Rhizobia are soil bacteria that fix nitrogen after becoming established inside root nodules of legumes. They are the only nitrogenfixing bacteria living in a symbiotic relationship with legumes. Common crop and forage legumes are peas, beans, clover, and soy.

Rhizobium is a kind of (1) Photosynthetic bacteria (2) Symbiotic bacteria (3) Parasitic bacteria (4) Saprophytic bacteria

Description : Rhizobium is a kind of (1) Photosynthetic bacteria (2) Symbiotic bacteria (3) Parasitic bacteria (4) Saprophytic bacteria

Last Answer :  Symbiotic bacteria

Symbiotic N2 fixing bacteria in leguminous crop.

Description : Symbiotic N2 fixing bacteria in leguminous crop.

Last Answer : Ans. Rhizobium

Select the correct statement: (a) Legumes are incapable of fixing nitrogen (b) Legumes fix nitrogen through bacteria living in fruits root (c) Legumes fix nitrogen only by bacteria present in nodules (d) None of the above

Description : Select the correct statement: (a) Legumes are incapable of fixing nitrogen (b) Legumes fix nitrogen through bacteria living in fruits root (c) Legumes fix nitrogen only by bacteria present in nodules (d) None of the above

Last Answer : Ans. (c)

Fungi are always (a) Autotrophic (b) Heterotrophic (c) Parasitic (d) Saprophytic

Description : Fungi are always (a) Autotrophic (b) Heterotrophic (c) Parasitic (d) Saprophytic

Last Answer : Ans:(b)

Lichens are well known combination of an alga and a fungus where fungus has (a) a saprophytic relationship with the alga (b) an epiphytic relationship with the alga (c) a parasitic relationship with alga (d) a symbiotic relationship with alga.

Description : Lichens are well known combination of an alga and a fungus where fungus has (a) a saprophytic relationship with the alga (b) an epiphytic relationship with the alga (c) a parasitic relationship with alga (d) a symbiotic relationship with alga.

Last Answer : (d) a symbiotic relationship with alga.

Symbiotic nitrogen fixing bacteria is — a. Azotobacter b. Azospirillum c. Rhizobium d. None of these

Description : Symbiotic nitrogen fixing bacteria is — a. Azotobacter b. Azospirillum c. Rhizobium d. None of these

Last Answer : c. Rhizobium

$ Leghaemoglobin is a compound of Iron and is present in the root nodules of leguminous plants. ! It acts as an oxygen scavenger and forms a temporary

Description : $ Leghaemoglobin is a compound of Iron and is present in the root nodules of leguminous plants. ! It acts as an oxygen scavenger and forms a temporary

Last Answer : $ Leghaemoglobin is a compound of Iron and is present in the root nodules of leguminous plants. ! It acts ... is wrong D. If both As and R are wrong.

The product(s) of reaction catalysed by nitrogenase in root nodules of leguminous plants is/are (a) ammonia alone (b) nitrate alone (c) ammonia and oxygen (d) ammonia and hydrogen.

Description : The product(s) of reaction catalysed by nitrogenase in root nodules of leguminous plants is/are (a) ammonia alone (b) nitrate alone (c) ammonia and oxygen (d) ammonia and hydrogen.

Last Answer : (d) ammonia and hydrogen.

The type of bacteria which is active in trickling filter during biological treatment of sewage is the __________ bacteria. (A) Anaerobic (B) Saprophytic (C) Aerobic (D) Parasitic

Description : The type of bacteria which is active in trickling filter during biological treatment of sewage is the __________ bacteria. (A) Anaerobic (B) Saprophytic (C) Aerobic (D) Parasitic

Last Answer : (C) Aerobic

A prokaryotic autotrophic nitrogen fixing symbiont is found in (a) Alnus (b) Cycas (c) Cicer (d) Pisum.

Description : A prokaryotic autotrophic nitrogen fixing symbiont is found in (a) Alnus (b) Cycas (c) Cicer (d) Pisum.

Last Answer : (b) Cycas

Which of the following is a flowering plant with nodules containing filamentous nitrogen-fixing microorganism? (a) Crotalaria juncea (b) Cycas revoluta (c) Cicer arietinum (d) Casuarina equisetifolia

Description : Which of the following is a flowering plant with nodules containing filamentous nitrogen-fixing microorganism? (a) Crotalaria juncea (b) Cycas revoluta (c) Cicer arietinum (d) Casuarina equisetifolia

Last Answer : (d) Casuarina equisetifolia

Non leguminous nitrogen fixing trees

Description : Non leguminous nitrogen fixing trees

Last Answer : Ans. Alnus nepalensis

The bacteria responsible for ‘nitrogen fixation’ is found in the roots of (a) grass (b) citrus plants (c) leguminous plants (d) neem tree

Description : The bacteria responsible for ‘nitrogen fixation’ is found in the roots of (a) grass (b) citrus plants (c) leguminous plants (d) neem tree

Last Answer : Ans:(c)

Name some non-symbiotic nitrogen fixing prokaryote. -Biology

Description : Name some non-symbiotic nitrogen fixing prokaryote. -Biology

Last Answer : answer:

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.

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.

Define (i) saprophytic nutrition (ii) parasitic nutrition, and (iii) holozoic nutrition. Give one example of each type. -Science

Description : Define (i) saprophytic nutrition (ii) parasitic nutrition, and (iii) holozoic nutrition. Give one example of each type. -Science

Last Answer : Saprophytic nutrition: It is that nutrition in which an organism obtains its food from dead organic matter of dead plants, dead animals and rotten bread. Example: Fungi and many bacteria obtain ... absorbed into the body cells of the organism.Example: Human beings obtain food by holozoic nutrition

Name one organism each having saprophytic, parasitic and holozoic modes of nutrition. -Science

Description : Name one organism each having saprophytic, parasitic and holozoic modes of nutrition. -Science

Last Answer : Saprophytic – Fungi.Parasitic – Plasmodium.Holozoic – Human Beings.

Which root contain nitrogen fixing bacteria?

Description : Which root contain nitrogen fixing bacteria?

Last Answer : Nodulated root

Which nitrogen fixing bacteria is found in leguminuous plant?

Description : Which nitrogen fixing bacteria is found in leguminuous plant?

Last Answer : Rizobium

1. Which nitrogen fixing bacteria is found in leguminuous plant? 2. A person to be qualified for standing in a panchayat election what age must have he attained? 3. Mirage is observed in a desert due to the phenomenon of which reflection? 4. What is the best representative of the acid igneous rocks? 5. During which Sikh Guru Arjun Dev was killed?

Description : 1. Which nitrogen fixing bacteria is found in leguminuous plant? 2. A person to be qualified for standing in a panchayat election what age must have he attained? 3. Mirage is observed in ... coal reserves of India are found in which state? 20. Which Sultan provided employment to unemployeds?

Last Answer : Answer : 1. Rizobium 2. 21 years 3. Total reflection 4. Granite 5. Jahangir 6. Karnataka 7. Foreign Institutional Investors 8. Mycorrhizae 9. Barren Island 10. Aurobindo Ghosh 11. M. Hidayatullah 12. ... 16. New Delhi 17. Muscles ear lobe 18. Neelam Sanjiva Reddy 19. Jharkhand 20. Firoz shah Tughlaq

All of the following statements concerning the actinomycetous filamentous soil bacterium Frankia are correct except that Frankia (a) can induce root nodules on many plant species (b) can fix nitrogen in the free-living state (c) cannot fix specialized vesicles in which the nitrogenase is protected from oxygen by a chemical barrier involving triterpene hopanoids (d) like Rhizobium, it usually infects its host plant through root hair deformation and stimulates cell proliferation in the host’s cortex

Description : All of the following statements concerning the actinomycetous filamentous soil bacterium Frankia are correct except that Frankia (a) can induce root nodules on many plant species (b) can fix ... its host plant through root hair deformation and stimulates cell proliferation in the host's cortex

Last Answer : (b) can fix nitrogen in the free-living state

Nitrogen fixation in root nodules of Alnus is brought about by (a) Frankia (b) Azorhizobium (c) Bradyrhizobium (d) Clostridium

Description : Nitrogen fixation in root nodules of Alnus is brought about by (a) Frankia (b) Azorhizobium (c) Bradyrhizobium (d) Clostridium

Last Answer : (a) Frankia

Which two distinct microbial processes are responsible for the release of fixed nitrogen as dinitrogen gas (N2) to the atmosphere? (a) Aerobic nitrate oxidation and nitrite reduction (b) Decomposition of organic nitrogen and conversion of dinitrogen to ammonium compounds (c) Enteric fermentation in cattle and nitrogen fixation by Rhizobium in root nodules of legumes (d) Anaerobic ammonium oxidation and denitrification

Description : Which two distinct microbial processes are responsible for the release of fixed nitrogen as dinitrogen gas (N2) to the atmosphere? (a) Aerobic nitrate oxidation and nitrite reduction (b) ... fixation by Rhizobium in root nodules of legumes (d) Anaerobic ammonium oxidation and denitrification

Last Answer : (d) Anaerobic ammonium oxidation and denitrification

Select the correct combination of the statements (i-iv) regarding the characteristics of certain organisms. (i) Methanogens are archaebacteria which produce methane in marshy areas. (ii) Nostoc is a filamentous blue-green alga which fixes atmospheric nitrogen. (iii)Chemosynthetic autotrophic bacteria synthesize cellulose from glucose. (iv) Mycoplasma lack a cell wall and can survive without oxygenThe correct statements are (a) (ii) and (iii) (b) (i),(ii) and (iii) (c) (ii), (iii) and (iv) (d) (i), (ii) and (iv)..

Description : Select the correct combination of the statements (i-iv) regarding the characteristics of certain organisms. (i) Methanogens are archaebacteria which produce methane in marshy areas. (ii) Nostoc is a filamentous blue-green alga which fixes ... iii) (c) (ii), (iii) and (iv) (d) (i), (ii) and (iv).

Last Answer : (d) (i), (ii) and (iv)

The nitrogen fixing bacterium found on root surface of rice

Description : The nitrogen fixing bacterium found on root surface of rice

Last Answer : Ans.Azospirillum

The most thoroughly studied of the known bacteria- plant interactions is the (a) cyanobacterial symbiosis with some aquatic ferns (b) gall formation on certain angiosperms by Agrobacterium (c) nodulation of Sesbania stems by nitrogen fixing bacteria (d) plant growth stimulation by phosphate- solubilising bacteria.

Description : The most thoroughly studied of the known bacteria- plant interactions is the (a) cyanobacterial symbiosis with some aquatic ferns (b) gall formation on certain angiosperms by Agrobacterium (c) ... stems by nitrogen fixing bacteria (d) plant growth stimulation by phosphate- solubilising bacteria.

Last Answer : (b) gall formation on certain angiosperms by Agrobacterium

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.

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

Azotobacter and Beijerinckia are the examples of (a) Symbiotic nitrogen-fixers (b) Non-symbiotic nitrogen-fixers (c) Ammonifying bacteria (d) Disease causing bacteria

Description : Azotobacter and Beijerinckia are the examples of (a) Symbiotic nitrogen-fixers (b) Non-symbiotic nitrogen-fixers (c) Ammonifying bacteria (d) Disease causing bacteria

Last Answer : Ans. ((b))

Symbiotic Bacteria responsible for the fixation of atmospheric nitrogen are present in - (1) peas (2) wheat (3) corn (4) oats

Description : Symbiotic Bacteria responsible for the fixation of atmospheric nitrogen are present in - (1) peas (2) wheat (3) corn (4) oats

Last Answer : (1) peas Explanation: Nitrogen-fixing bacteria are microorganisms capable of transforming atmospheric nitrogen into fixed. nitrogen. Rhizobium is one such bacteria that is associated with leguminous plants ... and convert free nitrogen to ammonia, which the host plant utilizes for its development.

Symbiotic Bacteria responsible for the fixation of atmospheric nitrogen are present in (1) peas (2) wheat (3) corn (4) oats

Description : Symbiotic Bacteria responsible for the fixation of atmospheric nitrogen are present in (1) peas (2) wheat (3) corn (4) oats

Last Answer : peas

Name two non - symbiotic N2- fixing blue - green algae (cyanobacteria)?

Description : Name two non - symbiotic N2- fixing blue  - green algae (cyanobacteria)?

Last Answer : Nostoc; Anabaena

Nitrogen fixing bacteria is useful in growing which crop? -Do You Know?

Description : Nitrogen fixing bacteria is useful in growing which crop? -Do You Know?

Last Answer : answer:

Nitrogen fixing bacteria is useful in growing which crop?

Description : Nitrogen fixing bacteria is useful in growing which crop?

Last Answer : Legume

Name two nitrogen fixing bacteria?

Description : Name two nitrogen fixing bacteria?

Last Answer : Rhizobium & Azetobactor

What is meant by nitrogen fixing bacteria?

Description : What is meant by nitrogen fixing bacteria? 

Last Answer : The bacteria that convert nitrogen of the air into compounds of nitrogen and thus increase fertility of the soil are called nitrogen fixing bacteria.  

Which one of the following statements is correct? (a) Legumes fix nitrogen only through the specialized bacteria that live in their roots. (b) Legumes fix nitrogen independently of the specialized bacteria that live in their roots. (c) Legumes fix nitrogen only through specialized bacteria that live in their leaves. (d) Legumes are incapable of fixing nitrogen.

Description : Which one of the following statements is correct? (a) Legumes fix nitrogen only through the specialized bacteria that live in their roots. (b) Legumes fix nitrogen independently of the specialized ... specialized bacteria that live in their leaves. (d) Legumes are incapable of fixing nitrogen.

Last Answer : (a) Legumes fix nitrogen only through the specialized bacteria that live in their roots.

Nitrogen fixing bacteria make combination with cells of the roots of - a) Pulses b) Rice c) Wheat d) Sugarcane

Description : Nitrogen fixing bacteria make combination with cells of the roots of - a) Pulses b) Rice c) Wheat d) Sugarcane

Last Answer : a) Pulses

In the five kingdom system of classification, which single kingdom out of the following can include blue-green algae, nitrogen fixing bacteria and methanogenic archaebacteria? (a) Plantae (b) Protista (c) Monera (d) Fungi

Description : In the five kingdom system of classification, which single kingdom out of the following can include blue-green algae, nitrogen fixing bacteria and methanogenic archaebacteria? (a) Plantae (b) Protista (c) Monera (d) Fungi

Last Answer : (c) Monera

Mycorrhizae is associated with the following a) Formation of root nodules b) Hyphae penetrating the soil c) Found mostly in lower plants d) Soil erosion

Description : Mycorrhizae is associated with the following a) Formation of root nodules b) Hyphae penetrating the soil c) Found mostly in lower plants d) Soil erosion

Last Answer : a) Formation of root nodules

83. Which one of the following is wrong statement ? (1) Nitrosomonas and Nitrobacter are chemoautotrophs (2) Anabaena and Nostoc are capable of fixing nitrogen in free-living state also (3) Root nodule forming nitrogen fixers live as aerobes under free-living conditions (4) Phosphorus is a constituent of cell membranes, certain nucleic acids and all proteins

Description : 83. Which one of the following is wrong statement ? (1) Nitrosomonas and Nitrobacter are chemoautotrophs (2) Anabaena and Nostoc are capable of fixing nitrogen in free-living state also (3 ... living conditions (4) Phosphorus is a constituent of cell membranes, certain nucleic acids and all proteins

Last Answer : Phosphorus is a constituent of cell membranes, certain nucleic acids and all proteins

The first stable product of fixation of atmospheric nitrogen in leguminous plants is (a) NO3 − (b) glutamate (c) NO2 − (d) ammonia

Description : The first stable product of fixation of atmospheric nitrogen in leguminous plants is (a) NO3 − (b) glutamate (c) NO2 − (d) ammonia

Last Answer : (c) NO2

Which of the following is/are examples for symbiotic association? (1) Algae - lichen (2) Plant roots - rhizobium bacteria (3) Both are right (4) Both are wrong

Description : Which of the following is/are examples for symbiotic association? (1) Algae - lichen (2) Plant roots - rhizobium bacteria (3) Both are right (4) Both are wrong

Last Answer : (3) Both are right

Study the given figure which shows the development of root nodules in soyabean. Match the correct explanation and find the correct sequence for labell

Description : Study the given figure which shows the development of root nodules in soyabean. Match the correct explanation and find the correct sequence for labell

Last Answer : Study the given figure which shows the development of root nodules in soyabean. Match the ... Curling of root hair due to successful infection.

The function of leghaemoglobin in the root nodules of legumes is (a) inhibition of nitrogenase activity (b) oxygen removal (c) nodule differentiation (d) expression of nif gene.

Description : The function of leghaemoglobin in the root nodules of legumes is (a) inhibition of nitrogenase activity (b) oxygen removal (c) nodule differentiation (d) expression of nif gene.

Last Answer : b) oxygen removal

Difference between autotrophic and heterotrophic bacteria. -Biology

Description : Difference between autotrophic and heterotrophic bacteria. -Biology

Last Answer : answer:

How do autotrophic and heterotrophic bacteria differ in the way they obtain food?

Description : How do autotrophic and heterotrophic bacteria differ in the way they obtain food?

Last Answer : Need answer