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

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

1 Answer

Answer :

(c) Anabaena
by

Related questions

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 of the following matches is correct? (a) Mucor Reproduction by conjugation Ascomycetes (b) Agaricus Parasitic fungus Basidiomycetes (c) Phytophthora Aseptate mycelium Basidiomycetes (d) Alternaria Sexual reproduction absent

Description : Which one of the following matches is correct? (a) Mucor Reproduction by conjugation Ascomycetes (b) Agaricus Parasitic fungus Basidiomycetes (c) Phytophthora Aseptate mycelium Basidiomycetes (d) Alternaria Sexual reproduction absent

Last Answer : (d) Alternaria Sexual reproduction absent

The sexual reproduction is absent in (a) Spirogyra (b) Nostoc (c) Ulothrix (d) Volvox.

Description : The sexual reproduction is absent in (a) Spirogyra (b) Nostoc (c) Ulothrix (d) Volvox.

Last Answer : b) Nostoc

Nuclear membrane is absent in (a) Penicillium (b) Agaricus (c) Volvox (d) Nostoc.

Description : Nuclear membrane is absent in (a) Penicillium (b) Agaricus (c) Volvox (d) Nostoc.

Last Answer : (d) Nostoc.

Nuclear membrane is absent in (1) Nostoc (2) Penicillium (3) Agaricus (4) Volvox

Description : Nuclear membrane is absent in (1) Nostoc (2) Penicillium (3) Agaricus (4) Volvox

Last Answer : (1) Nostoc

Which of the following statements is correct? (A) a nucleo protein usually contain deoxy sugars of the hexose type (B) Nucleoproteins are usually absent from the cytoplasm (C) Nucleoproteins usually are present in the nucleus only (D) Nucleoproteins usually occur in the nucleus and cytoplasm

Description : Which of the following statements is correct? (A) a nucleo protein usually contain deoxy sugars of the hexose type (B) Nucleoproteins are usually absent from the cytoplasm (C) Nucleoproteins usually are present in the nucleus only (D) Nucleoproteins usually occur in the nucleus and cytoplasm

Last Answer : Answer : D

With respect to lens development: a. the lens first appears at 27 days of gestation b. it is formed from neural crest cells c. the lens first appears as a vesicles with a single layer of epithelial cells d. Y suture is absent in the embryonic nucleus e. the adult lens is more spherical than the foetal

Description : With respect to lens development: a. the lens first appears at 27 days of gestation b. it is formed from neural crest cells c. the lens first appears as a vesicles with a single layer of ... d. Y suture is absent in the embryonic nucleus e. the adult lens is more spherical than the foetal

Last Answer : the lens first appears at 27 days of gestation

How do Spirogyra and Mucor reproduce asexually ?

Description : How do Spirogyra and Mucor reproduce asexually ?

Last Answer : Spirogyra and Mucor are both organisms that reproduce asexually through fragmentation. Spirogyra reproduces asexually by fragmentation, which occurs when the filament breaks into individual cells that can ... , and in this way, Mucor can reproduce asexually through fragmentation of the mycelium.

What is a mucor ?

Last Answer : Mucor is a "fungus".

Fungus without mycelium is: (a) Puccinia (b) Rhizopus (c) Saccharomyces (d) Mucor

Description : Fungus without mycelium is: (a) Puccinia (b) Rhizopus (c) Saccharomyces (d) Mucor

Last Answer : Ans. ((c))

A water-fern, which is used as a green manure in rice fields, is (a) Salvinia (b) Mucor (c) Aspergillus (d) Azolla

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

Which one of the following does not follow the central dogma of molecular biology? (a) Pea (b) Mucor (c) Chlamydomonas (d) HIV

Description : Which one of the following does not follow the central dogma of molecular biology? (a) Pea (b) Mucor (c) Chlamydomonas (d) HIV

Last Answer : ) HIV

Which one is a wrong statement? (a) Haploid endosperm is typical feature of Gymnosperms. (b) Brown algae have chlorophyll a and c and fucoxanthin. (c) Archegonia are found in Bryophyta, Pteridophyta and Gymnosperms. (d) Mucor has biflagellate zoospores

Description : Which one is a wrong statement? (a) Haploid endosperm is typical feature of Gymnosperms. (b) Brown algae have chlorophyll a and c and fucoxanthin. (c) Archegonia are found in Bryophyta, Pteridophyta and Gymnosperms. (d) Mucor has biflagellate zoospores

Last Answer : (d) Mucor has biflagellate zoospores

Which of the following environmental conditions are essential for optimum growth of Mucor on a piece of bread ? A. Temperature of about 25°C B. Temperature of about 5°C C. Relative humidity of about 5% D. Relative humidity of about 95% E. A shady place F. A brightly illuminated place Choose the answer from the following options. (a) B, C and F only (b) A, C and E only (c) A, D and E only (d) B, D and E only

Description : Which of the following environmental conditions are essential for optimum growth of Mucor on a piece of bread ? A. Temperature of about 25°C B. Temperature of about 5°C C. Relative humidity of about 5% D. Relative humidity of about 95% ... b) A, C and E only (c) A, D and E only (d) B, D and E only

Last Answer : (c) A, D and E only

The distinctive feature of terbinafine is: A. It is highly effective in histoplasmosis B. It can be used topically as well as orally for dermatophytosis C. It inhibits Mucor and Aspergillus as well D. Applied intravaginally it cures both candida as well as trichomonas vaginitis

Description : The distinctive feature of terbinafine is: A. It is highly effective in histoplasmosis B. It can be used topically as well as orally for dermatophytosis C. It inhibits Mucor and Aspergillus as well D. Applied intravaginally it cures both candida as well as trichomonas vaginitis

Last Answer : B. It can be used topically as well as orally for dermatophytosis

Which of the following groups of organisms digest their food before it actually enters the organism? (1) Bacteria and Protozoa (2) Bacteria and Fungi (3) Fungi and Protozoa (4) Mucor and Rhizopus

Description : Which of the following groups of organisms digest their food before it actually enters the organism? (1) Bacteria and Protozoa (2) Bacteria and Fungi (3) Fungi and Protozoa (4) Mucor and Rhizopus

Last Answer : Bacteria and Fungi 

Volvox reproduction -Biology

Description : Volvox reproduction -Biology

Last Answer : answer:

Where do volvox live? -Biology

Description : Where do volvox live? -Biology

Last Answer : answer:

Volvox heterotrophic or autotrophic. -Biology

Description : Volvox heterotrophic or autotrophic. -Biology

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Is a volvox multi celled or single celled?

Description : Is a volvox multi celled or single celled?

Last Answer : What is the answer ?

How many cells do volvox?

Description : How many cells do volvox?

Last Answer : What is the answer ?

Describe locomotion of Euglena and volvox?

Description : Describe locomotion of Euglena and volvox?  

Last Answer : Locomotion in Euglena: Euglena move with the help of flagellum. Whipping action of flagellum caused it to rotate and at the same time it move forward. It does not move in straight line but it moves ... path. Locomotion of Volvox: It floats freely over water surface and looks like a minute ball.  

The correct sequence of plants in a hydrosere is (a) Volvox → Hydrilla → Pistia → Scirpus → Lantana → Oak (b) Pistia → Volvox → Scirpus → Hydrilla → Oak → Lantana (c) Oak → Lantana → Volvox → Hydrilla → Pistia → Scirpus (d) Oak → Lantana → Scirpus → Pistia → Hydrilla → Volvox.

Description : The correct sequence of plants in a hydrosere is (a) Volvox → Hydrilla → Pistia → Scirpus → Lantana → Oak (b) Pistia → Volvox → Scirpus → Hydrilla → Oak → Lantana (c) Oak → Lantana → Volvox → Hydrilla → Pistia → Scirpus (d) Oak → Lantana → Scirpus → Pistia → Hydrilla → Volvox.

Last Answer : (a) Volvox → Hydrilla → Pistia → Scirpus → Lantana → Oak

Read the following five statements (A – E) and answer as asked next to them. (A) In Equisetum, the female gametophyte is retained on the parent sporophyte. (B) In Ginkgo, male gametophyte is not independent. (C) The sporophyte in Riccia is more developed than that in Polytrichum. (D) Sexual reproduction in Volvox is isogamous. (E) The spores of slime moulds lack cell walls. How many of the above statements are correct? (a) Two (b) Three (c) Four (d) One

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Last Answer : (d) One

Read the following statements (A – E) and answer the question which follows them. (A) In liverworts, mosses and ferns gametophytes are free-living. (B) Gymnosperms and some ferns are heterosporous. (C) Sexual reproduction in Fucus, Volvox and Albugo is oogamous. (D)The sporophyte in liverworts is more elaborate than that in mosses. (E) Both, Pinus and Marchantia are dioecious. How many of the above statements are correct? (a) Three (b) Four (c) One (d) Two

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Last Answer : (a) Three

Isogamous condition with non-flagellated gametes is found in (a) Volvox (b) Fucus (c) Chlamydomonas (d) Spirogyra.

Description : Isogamous condition with non-flagellated gametes is found in (a) Volvox (b) Fucus (c) Chlamydomonas (d) Spirogyra.

Last Answer : (d) Spirogyra.

An example of colonial alga is (a) Volvox (b) Ulothrix (c) Spirogyra (d) Chlorella

Description : An example of colonial alga is (a) Volvox (b) Ulothrix (c) Spirogyra (d) Chlorella

Last Answer : (a) Volvox

An example of colonial alga is : (1) Volvox (2) Ulothrix (3) Spirogyra (4) Chlorella

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Last Answer : (1) Volvox

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

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

Last Answer : Need answer

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

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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

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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.

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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

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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

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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.

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.

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

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 following are true about the ERG: a. in infarction of the choroidal circulation the a-wave of the ERG is reduced or absent b. the ERG is always abnormal in patients with macular diseases c. flicker ERG can be used to isolate cone photoreceptors d. the b-wave of ERG is reduced in dark-adapted eye

Description : The following are true about the ERG: a. in infarction of the choroidal circulation the a-wave of the ERG is reduced or absent b. the ERG is always abnormal in patients with macular diseases c. ... can be used to isolate cone photoreceptors d. the b-wave of ERG is reduced in dark-adapted eye

Last Answer : the b-wave of ERG is reduced in dark-adapted eye

The following are true about blood-brain barrier: a. it is permeable at birth b. it involves tight junction between endothelial cells and end feet processes of astrocytes c. it is absent in the posterior pituitary d. all above

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Last Answer : all above