Why is the Anabaena easier to see than some of the other cells?

Why is the Anabaena easier to see than some of the other cells?
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Blue-green alga that causes red blooms is: (a) Anabaena (b) Gleacapsa (c) Trichodesmium (d) Nostoc

Description : Blue-green alga that causes red blooms is: (a) Anabaena (b) Gleacapsa (c) Trichodesmium (d) Nostoc

Last Answer : Ans. ((c))

Which of the following species does not have the ability to fix atmospheric nitrogen? (a) Azotobactor (b) Anabaena (c) Nostoc (d) Spirogyra

Description : Which of the following species does not have the ability to fix atmospheric nitrogen? (a) Azotobactor (b) Anabaena (c) Nostoc (d) Spirogyra

Last Answer : (d) Spirogyra

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.

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

Which of the following is non-symbiotic biofertilizer? (a) Anabaena (b) Rhizobium (c) VAM (d) Azotobacter

Description : Which of the following is non-symbiotic biofertilizer? (a) Anabaena (b) Rhizobium (c) VAM (d) Azotobacter

Last Answer : (d) Azotobacter

Due to which of the following organism, yield of rice is increased? (a) Sesbania (b) Bacillus popilliae (c) Anabaena (d) Bacillus subtilis

Description : Due to which of the following organism, yield of rice is increased? (a) Sesbania (b) Bacillus popilliae (c) Anabaena (d) Bacillus subtilis

Last Answer : (c) Anabaena

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.

Which one of the following helps in absorption of phosphorus from soil by plants? (a) Glomus (b) Rhizobium (c) Frankia (d) Anabaena

Description : Which one of the following helps in absorption of phosphorus from soil by plants? (a) Glomus (b) Rhizobium (c) Frankia (d) Anabaena

Last Answer : (a) Glomus

A nitrogen-fixing microbe associated with Azolla in rice fields is (a) Spirulina (b) Anabaena (c) Frankia (d) Tolypothrix.

Description : A nitrogen-fixing microbe associated with Azolla in rice fields is (a) Spirulina (b) Anabaena (c) Frankia (d) Tolypothrix.

Last Answer : (b) Anabaena

Select the mismatch. (a) Rhodospirillum – Mycorrhiza (b) Anabaena – Nitrogen fixer (c) Rhizobium – Alfalfa (d) Frankia – Alnus

Description : Select the mismatch. (a) Rhodospirillum – Mycorrhiza (b) Anabaena – Nitrogen fixer (c) Rhizobium – Alfalfa (d) Frankia – Alnus

Last Answer : (a) Rhodospirillum – Mycorrhiza

Which of the following can be used as a biocontrol agent in the treatment of plant disease? (a) Lactobacillus (b) Trichoderma (c) Chlorella (d) Anabaena

Description : Which of the following can be used as a biocontrol agent in the treatment of plant disease? (a) Lactobacillus (b) Trichoderma (c) Chlorella (d) Anabaena

Last Answer : (b) Trichoderma

Male gametes are flagellated in (a) Ectocarpus (b) Spirogyra (c) Polysiphonia (d) Anabaena

Description : Male gametes are flagellated in (a) Ectocarpus (b) Spirogyra (c) Polysiphonia (d) Anabaena

Last Answer : (a) Ectocarpus

Which of the following pairs is of unicellular algae? (a) Laminaria and Sargassum (b) Gelidium and Gracilaria (c) Anabaena and Volvox (d) Chlorella and Spirulina

Description : Which of the following pairs is of unicellular algae? (a) Laminaria and Sargassum (b) Gelidium and Gracilaria (c) Anabaena and Volvox (d) Chlorella and Spirulina

Last Answer : (d) Chlorella and Spirulina

.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.

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.

True nucleus is absent in (a) Vaucheria (b) Volvox (c) Anabaena (d) Mucor.

Description : True nucleus is absent in (a) Vaucheria (b) Volvox (c) Anabaena (d) Mucor.

Last Answer : (c) Anabaena

Which one of the following is a slime mould? (a) Physarum (b) Thiobacillus (c) Anabaena (d) Rhizopus

Description : Which one of the following is a slime mould? (a) Physarum (b) Thiobacillus (c) Anabaena (d) Rhizopus

Last Answer : (a) Physarum

Which of the following organisms is used as a biopesticide ? (l) Azolla (2) Anabaena (3) Rhizobium (4) Trichoderma

Description : Which of the following organisms is used as a biopesticide ? (l) Azolla (2) Anabaena (3) Rhizobium (4) Trichoderma

Last Answer : (4) Trichoderma

Select the mismatch : (1) Rhodospirillum - Mycorrhiza (2) Anabaena - Nitrogen fixer (3) Rhizobium - Alfalfa (4) Frankia - Alnus

Description : Select the mismatch : (1) Rhodospirillum - Mycorrhiza (2) Anabaena - Nitrogen fixer (3) Rhizobium - Alfalfa (4) Frankia - Alnus

Last Answer : (1) Rhodospirillum - Mycorrhiza

A nitrogen-fixing microbe associated with Azolla in rice fields is (1) Tolypothrix (2) Spirulina (3) Anabaena (4) Frankia

Description : A nitrogen-fixing microbe associated with Azolla in rice fields is (1) Tolypothrix (2) Spirulina (3) Anabaena (4) Frankia

Last Answer : (3) Anabaena

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

Last Answer : (4) Yeast used in making bread and beer is a fungus

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

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