Description : In Ulothrix/Spirogyra, reduction division (meiosis) occurs at the time of (a) gamete formation (b) zoospore formation (c) zygospore germination (d) vegetative reproduction.
Last Answer : (c) zygospore germination
Description : Hormogonia are the vegetative reproductive structures of (a) Chlamydomonas (b) Spirogyra (c) Oscillatoria (d) Ulothrix
Last Answer : Ans. ((c))
Description : Anoxygenic photosynthesis is characteristic of (a) Rhodospirillum (b) Spirogyra (c) Chlamydomonas (d) Ulva.
Last Answer : (a) Rhodospirillum
Description : Isogamous condition with non-flagellated gametes is found in (a) Volvox (b) Fucus (c) Chlamydomonas (d) Spirogyra.
Last Answer : (d) Spirogyra.
Description : Differentiate between zoospore and zygote. -Biology
Last Answer : answer:
Description : 3.Which of the following statement is true in respect of zoospore? (a)Motile diploid spore b)Nonmotile haploid spore c)Motile haploid spore d)Nonmotile diploid spore)
Last Answer : c)Motile haploid spore
Description : What are zygospore fungi? -Biology
Description : What is the function of a zygospore? -Biology
Description : Reproductive characteristics of zygospore fungi. -Biology
Description : Differentiate between sporangiophore and zygospore in rhizopus? -Biology
Description : Competence refers to a bacterial cell's ability to a. Take Up DNA Fragments From The Environment. b. Be Infected By A Transducing Phage. c. Produce A Protein Product From An Engineered Gene. d. Undergo Conjugation With An F+ Cell.
Last Answer : a. Take Up DNA Fragments From The Environment.
Description : What is filament of spirogyra?
Last Answer : Spirogyra is a genus of green algae that is commonly found in freshwater environments such as ponds, streams, and ditches. The filament of Spirogyra is a long, slender, multicellular structure ... , which occurs when the filament breaks into individual cells that can grow into new filaments.
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.
Description : Characteristics of spirogyra algae -Biology
Description : Which of the following pairs are correctly matched? (1) Fertile spike —Ophioglossum (2) Sporangiophore—Equisetum (3) Synangium—Psilotum (4) Apophysis—Spirogyra
Last Answer : Ans. ((a))
Description : Hormogonia are vegetative reproductive structure of: (a) Spirogyra (b) Ulothrix (c) Oscillatoria (d) Yeast
Description : Which one of the following is commonly known as Pond Silk'? (1) Spirogyra (2) Rhizopus (3) Yeast (4) Ulothrix
Last Answer : (1) Spirogyra Explanation: Pond silk is the common name of Spirogyra (algae) because it is very slimy in shape. It is also known as pond silk, water silk, pond scum or mermaid's trees because of its bright green silky appearance. Its filaments shine like silk due to the presence of mucilage.
Description : Write a note on Spirogyra?
Last Answer : i) It is multicellular filamentous green alga. ii) It is found in fresh water ponds, lakes and streams. iii) Filamentous thallus consists of many cylindrical cells which are joined from end to end ... . ix) It grows in length by cell division. x) It reproduces both sexually and asexually.
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
Description : An alga which can be employed as food for human being is (a) Ulothrix (b) Chlorella (c) Spirogyra (d) Polysiphonia.
Last Answer : (b) Chlorella
Description : The sexual reproduction is absent in (a) Spirogyra (b) Nostoc (c) Ulothrix (d) Volvox.
Last Answer : b) Nostoc
Description : Which one of the following is a living fossil? (a) Cycas (b) Moss (c) Saccharomyces (d) Spirogyra
Last Answer : (a) Cycas
Description : Flagellated male gametes are present in all the three of which one of the following sets? (a) Zygnema, Saprolegnia and Hydrilla (b) Fucus, Marsilea and Calotropis (c) Riccia, Dryopteris and Cycas (d) Anthoceros, Funaria and Spirogyra
Last Answer : (c) Riccia, Dryopteris and Cycas
Description : An alga, very rich in protein, is (a) Chlorella (b) Nostoc (c) Spirogyra (d) Ulothrix.
Last Answer : (a) Chlorella
Description : Sexual reproduction in Spirogyra is an advanced feature because it shows (a) different sizes of motile sex organs (b) same size of motile sex organs (c) morphologically different sex organs (d) physiologically differentiated sex organs
Last Answer : (d) physiologically differentiated sex organs.
Description : Which one of the following is wrongly matched? (a) Spirogyra - Motile gametes (b) Sargassum - Chlorophyll (c) Basidiomycetes - Puffballs (d) Nostoc - Water blooms
Last Answer : (a) Spirogyra - Motile gametes
Description : Which one of the following shows isogamy with non-flagellated gametes? (a) Sargassum (b) Ectocarpus (c) Ulothrix (d) Spirogyra
Description : Male gametes are flagellated in (a) Ectocarpus (b) Spirogyra (c) Polysiphonia (d) Anabaena
Last Answer : (a) Ectocarpus
Description : An example of colonial alga is (a) Volvox (b) Ulothrix (c) Spirogyra (d) Chlorella
Last Answer : (a) Volvox
Description : Columella is a specialized structure found in the sporangium of (a) Spirogyra (b) Ulothrix (c) Rhizopus (d) none of these.
Last Answer : (c) Rhizopus
Description : Which one belongs to Monera? (a) Amoeba (b) Escherichia (c) Gelidium (d) Spirogyra
Last Answer : (b) Escherichia
Description : Read the following statements and select the correct option. Statement-I : Nostoc and Bacteria are prokaryotes. Statement-II: Penicillium and Spirogyra are fungi. (1) Only statement I is true (2) Only statement II is true (3) Both statements I and II are true (4) Both statements I and II are false
Last Answer : (1) Only statement I is true
Description : 2.Which of the following organism shows zygotic meiosis? (a) Nephrolepis, b)Pinus, c) Spirogyra d) mango)
Last Answer : c) Spirogyra
Description : An example of colonial alga is : (1) Volvox (2) Ulothrix (3) Spirogyra (4) Chlorella
Last Answer : (1) Volvox
Description : Resurrection plant is a. Spirogyra b. Selaginella c. Lichen d. Rhynia
Last Answer : b. Selaginella
Description : Which one of the following is commonly known as ‘Pond Silk’? (1) Spirogyra (2) Rhizopus (3) Yeast (4) Ulothrix
Last Answer : Spirogyra
Description : What are the difference between Chlamydomonas and Euglena? -Biology
Description : Red eyespot in chlamydomonas -Biology
Description : Chlamydomonas reproduction -Biology
Description : What is chlamydomonas reinhardtii -Biology
Description : What do chlamydomonas eat? -Biology
Description : Zoospores of chlamydomonas. -Biology
Description : Where do chlamydomonas live? -Biology
Description : How do chlamydomonas obtain nutrients? -Biology
Description : Why is chlamydomonas considered a photoautotroph? -Biology
Description : $ Chlamydomonas has many pyrenoids. ! Pyrenoids help in the storage of oil droplets.
Last Answer : $ Chlamydomonas has many pyrenoids. ! Pyrenoids help in the storage of oil droplets. A. If both As and R ... is wrong D. If both As and R are wrong.
Description : Write the characteristics of division that includes members like Chlamydomonas, Fucus, Gelidium, etc.
Last Answer : Write the characteristics of division that includes members like Chlamydomonas, Fucus, Gelidium, etc.
Description : Write a detailed note on Chlamydomonas? (Draw Figure)
Last Answer : i) It is single celled fresh water alga. ii) It is commonly found in ponds and drains. iii) It can be clearly seen under microscope. iv) It is spherical oval or pear shaped. ... vacuole expel excess water and wastes out from the cell. xi) It reproduces both sexually and asexually.
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