.How many organisms in the list given below are autotrophs? Lactobacillus, Nostoc, Chara, Nitrosomonas, Nitrobacter, Streptomyces, Saccharomyces, Trypanosoma, Porphyra, Wolffia (a) Four (b) Five (c) Six (d) Three

.How many organisms in the list given below are
autotrophs?
 Lactobacillus, Nostoc, Chara, Nitrosomonas,
Nitrobacter, Streptomyces, Saccharomyces,
Trypanosoma, Porphyra, Wolffia
(a) Four (b) Five
(c) Six (d) Three
by

1 Answer

Answer :

(c) Six
by

Related questions

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

Match the following organisms with the products they produce. (A) Lactobacillus (i) Cheese (B) Saccharomyces (ii) Curd cerevisiae (C) Aspergillus niger (iii) Citric acid (D) Acetobacter aceti (iv) Bread (v) Acetic acid Select the correct option. (A) (B) (C) (D) (a) (ii) (i) (iii) (v) (b) (ii) (iv) (v) (iii) (c) (ii) (iv) (iii) (v) (d) (iii) (iv) (v) (i)

Description : Match the following organisms with the products they produce. (A) Lactobacillus (i) Cheese (B) Saccharomyces (ii) Curd cerevisiae (C) Aspergillus niger (iii) Citric acid (D) Acetobacter aceti (iv) Bread (v) Acetic acid Select the correct ... v) (iii) (c) (ii) (iv) (iii) (v) (d) (iii) (iv) (v) (i)

Last Answer : c) (ii) (iv) (iii) (v)

Mannitol is the stored food in (a) Porphyra (b) Fucus (c) Gracillaria (d) Chara.

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Last Answer : (b) Fucus

Nitrites are oxidized to nitrates by a microorganism a. Nitrosomonas b. Nitrosococcus c. Nitrobacter d. Azatobacter

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Last Answer : Ans: C

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.

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Last Answer : (d) Escherichia and Agrobacterium.

Which of the following bacteria reduce nitrate in soil into nitrogen? (a) Nitrobacter (b) Nitrococcus (c) Thiobacillus (d) Nitrosomonas

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Last Answer : (c) Thiobacillus

Oxygen is not produced during photosynthesis by (a) Green sulphur bacteria (b) Nostoc (c) Cycas (d) Chara.

Description : Oxygen is not produced during photosynthesis by (a) Green sulphur bacteria (b) Nostoc (c) Cycas (d) Chara.

Last Answer : (a) Green sulphur bacteria

Oxygen is not produced during photosynthesis by (1) Green sulphur bacteria (2) Nostoc (3) Cycas (4) Chara

Description : Oxygen is not produced during photosynthesis by (1) Green sulphur bacteria (2) Nostoc (3) Cycas (4) Chara

Last Answer : (1) Green sulphur bacteria

Which of the following is used to manufacture ethanol from starch? (a) Penicillium (b) Saccharomyces (c) Azotobacter (d) Lactobacillus

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Last Answer : (b) Saccharomyces

Most important species of vinegar bacteria causing sliminess is A-.Acetobacteraceti B- Saccharomyces carlsbergiensis C- Lactobacillus lactis D- None of the above

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Last Answer : .Acetobacteraceti

Most important species of vinegar bacteria causing sliminess is A- Acetobacteraceti B- Saccharomyces carlsbergiensis C- Lactobacillus lactis D- None of the above

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Last Answer : Acetobacteraceti

Which among the following is not a prokaryote? (a) Saccharomyces (b) Mycobacterium (c) Nostoc (d) Oscillatoria

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Last Answer : (a) Saccharomyces

Which among the following is not a prokaryote ? (1) Saccharomyces (2) Mycobacterium (3) Nostoc (4) Oscillatoria

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How many plants in the list given below have marginal placentation? Mustard, Gram, Tulip, Asparagus, Arhar, Sun- hemp, Chilli, Colchicum, Onion, Moong, Pea, Tobacco, Lupin (a) Four (b) Five (c) Six (d) Three

Description : How many plants in the list given below have marginal placentation? Mustard, Gram, Tulip, Asparagus, Arhar, Sun- hemp, Chilli, Colchicum, Onion, Moong, Pea, Tobacco, Lupin (a) Four (b) Five (c) Six (d) Three

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The organisms responsible for the characteristic musty or earth odor of a freshly plowed fieldis/are A.Nocardia B.Streptomyces C.Micromonospora D.all of these

Description : The organisms responsible for the characteristic musty or earth odor of a freshly plowed fieldis/are A.Nocardia B.Streptomyces C.Micromonospora D.all of these

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Is a green housefly a organisms or autotrophs?

Description : Is a green housefly a organisms or autotrophs?

Last Answer : Need answer

Organisms using simple food material acquired from inorganic sources in the form of carbon dioxide and water are called – (1) Autotrophs (2) Heterotrophs (3) Organotroph (4) Both (1) and (3)

Description : Organisms using simple food material acquired from inorganic sources in the form of carbon dioxide and water are called – (1) Autotrophs (2) Heterotrophs (3) Organotroph (4) Both (1) and (3)

Last Answer : a) Autotrophs Explanation: Autotroph means self-feeding in Greek or producer and is an organism that produces complex organic compounds such as carbohydrates, fats, and proteins from simple substances using energy from light.

The first organisms were (a) chemoautotrophs (b) chemoheterotrophs (c) autotrophs (d) eukaryotes

Description : The first organisms were (a) chemoautotrophs (b) chemoheterotrophs (c) autotrophs (d) eukaryotes

Last Answer : (c) autotrophs

The first organisms were (a) chemoautotrophs (b) chemoheterotrophs (c) autotrophs (d) eukaryotes

Description : The first organisms were (a) chemoautotrophs (b) chemoheterotrophs (c) autotrophs (d) eukaryotes

Last Answer : chemoheterotrophs

Autecology deals with: a. Study of individual organism b. Study of group of organisms c. Study of autotrophs d. Study of heterotrophs

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Which one of the following living organisms completely lacks a cell wall? (a) Cyanobacteria (b) Sea-fan (Gorgonia) (c) Saccharomyces (d) Blue-green algae

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How many plants in the list given below have composite fruits that develop from an inflorescence? Walnut, poppy, radish, fig, pineapple, apple, tomato, mulberry. (a) Four (b) Five (c) Two (d) Three

Description : How many plants in the list given below have composite fruits that develop from an inflorescence? Walnut, poppy, radish, fig, pineapple, apple, tomato, mulberry. (a) Four (b) Five (c) Two (d) Three

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.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) Lichen is a composite organism formed from the symbiotic association of an algae and a protozoan. (c) Yeast used in making bread and **** is a fungus. (d) Nostoc and Anabaena are examples of protista.

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Last Answer : (c) Yeast used in making bread and beer is a fungus.

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)

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 same kingdom as that of Penicillium (3) Lichen is a composite organism formed from the symbiotic association of an algae and a protozoan (4) Yeast used in making bread and **** 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

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Pyrenoids are the centres for formation of (a) Porphyra (b) enzymes (c) fat (d) starch

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Examine the figures A, B, C and D. In which one of the four options all the items A, B, C and D are correct? A B C D (a) Chara Marchantia Fucus Pinus (b) Equisetum Ginkgo Selaginella Lycopodium (c) Selaginella Equisetum Salvinia Ginkgo (d) Funaria Adiantum Salvinia Riccia

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Observe the given figure of Chara and identify the parts labelledas.

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The smallest flowering plant is (a) Amorphophallus (b) Azadaachta indica (c) Erecta indica (d) Wolffia arrhiza

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The smallest flowering plant is - (1) Wolffia (2) Lemma (3) Azolla (4) Ficus

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.Match items in column I with those in columnII. Column I Column II (A) Peritrichous flagellation (J) Ginkgo (B) Living fossil (K) Macrocystis (C) Rhizophore (L) Escherichia coli (D) Smallest flowering plant (M) Selaginella (E) Largest perennial alga (N) Wolffia Select the correct answer from the following. (a) A - L; B - J; C - M; D - N; E - K (b) A - K; B - J; C - L; D - M; E - N (c) A - N; B - L; C - K; D - M; E - J (d) A - J; B - K; C - N; D - L; E - M

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The smallest flowering plant is : (1) Wolffia (2) Lemma (3) Azolla (4) Ficus

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Match the following list of microbes and their importance. Column I Column II A. Saccharomyces (i) Production of cerevisiae immuno- suppressive agent B. Monascus (ii) Ripening of Swiss purpureus cheese C. Trichoderma (iii)Commercial polysporum production of ethanol D. Propionibacterium (iv) Production of shermanii blood-cholesterol lowering agents (a) A-(iv), B-(ii), C-(i), D-(iii) (b) A-(iii), B-(i), C-(iv), D-(ii) (c) A-(iii), B-(iv), C-(i), D-(ii) (d) A-(iv), B-(iii), C-(ii),D-(i)

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Last Answer : (c) A-(iii), B-(iv), C-(i), D-(ii)

Principal source of antibiotic is/are (1) Streptomyces (2) Micromonospora (3) Rhizopus (4) Nocardia

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Chloramphenicol is particularly effective in the treatment of (a) Diphtheria (b) Tuberculosis (c) Emphysema (d) Rickettsial diseases (e) Streptomyces pyogenes infections

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Last Answer : Ans: D

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

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Last Answer : b) Serratia - Drug addiction

.A musty or muddy odor of the fish is attributed to A.the growth of Streptomyces species in the mud at the bottom of the body of water B.the mud at the bottom of the body of water C.the growth of Pseudomonas species in the mud at the bottom of the body of water D.none of the above

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Which bacterial strain developed from natural isolates by genetic manipulations can be used for treating oil spills? (1) Pseudomonas (2) Agrobacterium (3) Clostridium (4) Nitrosomonas

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Bacteria of genus Nitrosomonas use __________ as their electron source. A.ammonia B.H2S C.succinate D.light

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Which bacterial strain developed from natural isolates by genetic manipulations can be used for treating oil spills ? (1) Pseudomonas (2) Agrobacterium (3) Clostridium (4) Nitrosomonas

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What is the term of a Member of the Rajya Sabha? (1) Three years (2) Four years (3) Five years (4) Six years

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ABO blood grouping is controlled by gene I which has three alleles and show co-dominance. There are six genotypes. How many phenotypes in all are possible? (a) Six (b) Three (c) Four (d) Five

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