Which of the following is an example of parasitic alga ? (1) Ulothrix (2) Cephaleuros (3) Oedogonium (4) Sargassum

Which of the following is an example of parasitic alga ? (1) Ulothrix (2) Cephaleuros (3) Oedogonium (4) Sargassum
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Cephaleuros
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Which of the following is an example of parasitic alga? (1) Ulothrix (2) Cephaleuros (3) Oedogonium (4) Sargassum

Description : Which of the following is an example of parasitic alga? (1) Ulothrix (2) Cephaleuros (3) Oedogonium (4) Sargassum

Last Answer : (2) Cephaleuros Explanation: Cephaleuros is a genus of parasitic thalloid algae comprising approximately 14 species. Its common name is red rust. The alga is parasitic on tea, coffee, mango and guava causing damage limited to the area of algal growth on leaves.

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

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

Last Answer : (1) Volvox

Which one of the following shows isogamy with non-flagellated gametes? (a) Sargassum (b) Ectocarpus (c) Ulothrix (d) Spirogyra

Description : Which one of the following shows isogamy with non-flagellated gametes? (a) Sargassum (b) Ectocarpus (c) Ulothrix (d) Spirogyra

Last Answer : (d) Spirogyra

An alga which can be employed as food for human being is (a) Ulothrix (b) Chlorella (c) Spirogyra (d) Polysiphonia.

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

An alga, very rich in protein, is (a) Chlorella (b) Nostoc (c) Spirogyra (d) Ulothrix.

Description : An alga, very rich in protein, is (a) Chlorella (b) Nostoc (c) Spirogyra (d) Ulothrix.

Last Answer : (a) Chlorella

Ulothrix can be described as a (a) filamentous alga lacking flagellated reproductive stages (b) membranous alga producing zoospores (c) filamentous alga with flagellated reproductive stages (d) non-motile colonial alga lacking zoospores.

Description : Ulothrix can be described as a (a) filamentous alga lacking flagellated reproductive stages (b) membranous alga producing zoospores (c) filamentous alga with flagellated reproductive stages (d) non-motile colonial alga lacking zoospores.

Last Answer : (c) filamentous alga with flagellated reproductive stages

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.

Which of the following pairs is not correctly matched? Mode of reproduction Example (a) Binary fission Sargassum (b) Conidia Penicillium (c) Offset Water hyacinth (d) Rhizome Banana

Description : Which of the following pairs is not correctly matched? Mode of reproduction Example (a) Binary fission Sargassum (b) Conidia Penicillium (c) Offset Water hyacinth (d) Rhizome Banana

Last Answer : a) Binary fission Sargassum

Which one of the following statements is wrong?  (A) Laminaria and Sargassum are used as food. 

Description : Which one of the following statements is wrong?  (A) Laminaria and Sargassum are used as food. 

Last Answer : Which one of the following statements is wrong? (A) Laminaria and Sargassum are used as ... ) Agar-agar is obtained from Gelidium and Gracilaria.

Which one of the following is wrongly matched? (a) Spirogyra - Motile gametes (b) Sargassum - Chlorophyll (c) Basidiomycetes - Puffballs (d) Nostoc - Water blooms

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

Which one of the following statements is wrong? (a) Algae increase the level of dissolved oxygen in the immediate environment. (b) Algin is obtained from red algae, and carrageenan from brown algae. (c) Agar-agar is obtained from Gelidium and Gracilaria. (d) Laminaria and Sargassum are used as food.

Description : Which one of the following statements is wrong? (a) Algae increase the level of dissolved oxygen in the immediate environment. (b) Algin is obtained from red algae, and carrageenan from brown ... Agar-agar is obtained from Gelidium and Gracilaria. (d) Laminaria and Sargassum are used as food.

Last Answer : (b) Algin is obtained from red algae, and carrageenan from brown algae

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

Hormogonia are vegetative reproductive structure of: (a) Spirogyra (b) Ulothrix (c) Oscillatoria (d) Yeast

Description : Hormogonia are vegetative reproductive structure of: (a) Spirogyra (b) Ulothrix (c) Oscillatoria (d) Yeast

Last Answer : Ans. ((c))

Hormogonia are the vegetative reproductive structures of (a) Chlamydomonas (b) Spirogyra (c) Oscillatoria (d) Ulothrix

Description : Hormogonia are the vegetative reproductive structures of (a) Chlamydomonas (b) Spirogyra (c) Oscillatoria (d) Ulothrix

Last Answer : Ans. ((c))

Which one of the following is the earliest land plant? (a) Rhynia (b) Cycas (c) Ulothrix (d) Synchytrium

Description : Which one of the following is the earliest land plant? (a) Rhynia (b) Cycas (c) Ulothrix (d) Synchytrium

Last Answer : Ans. ((a))

Which one of the following is commonly known as Pond Silk'? (1) Spirogyra (2) Rhizopus (3) Yeast (4) Ulothrix

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.

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

In Ulothrix/Spirogyra, reduction division (meiosis) occurs at the time of (a) gamete formation (b) zoospore formation (c) zygospore germination (d) vegetative reproduction.

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

Ulothrix filaments produce (a) heterogametes (b) basidiospores (c) isogametes (d) anisogametes

Description : Ulothrix filaments produce (a) heterogametes (b) basidiospores (c) isogametes (d) anisogametes

Last Answer : (c) isogametes

Columella is a specialized structure found in the sporangium of (a) Spirogyra (b) Ulothrix (c) Rhizopus (d) none of these.

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

Which one of the following is commonly known as ‘Pond Silk’? (1) Spirogyra (2) Rhizopus (3) Yeast (4) Ulothrix

Description : Which one of the following is commonly known as ‘Pond Silk’? (1) Spirogyra (2) Rhizopus (3) Yeast (4) Ulothrix

Last Answer : Spirogyra

Relationship between an alga and the fungus in lichen? -Biology

Description : Relationship between an alga and the fungus in lichen? -Biology

Last Answer : answer:

What is symbiotic relationship between fungus and alga?

Description : What is symbiotic relationship between fungus and alga?

Last Answer : Mutualism because they both benefit

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))

Every multicellular organism, be it a microscopic alga, a banyan tree or a human being, starts as a single cell called a/an (a) Egg (b) Sperm (c) Nucleus (d) Gene

Description : Every multicellular organism, be it a microscopic alga, a banyan tree or a human being, starts as a single cell called a/an (a) Egg (b) Sperm (c) Nucleus (d) Gene

Last Answer : Ans:(a)

Litmus is obtained from – (1) a bacterium (2) a fungus (3) an alga (4) lichen

Description : Litmus is obtained from – (1) a bacterium (2) a fungus (3) an alga (4) lichen

Last Answer : (4) lichen Explanation: Litmus is a water-soluble mixture of different dyes extracted from lichens, especially Roccellatinctoria. It is often absorbed onto filter paper to produce one of the ... litmus paper is purple. Litmus can also be prepared as an aqueous solution that functions similarly

PGA as the first CO2 fixation product was discovered in photosynthesis of (a) bryophyte (b) gymnosperm (c) angiosperm (d) alga.

Description : PGA as the first CO2 fixation product was discovered in photosynthesis of (a) bryophyte (b) gymnosperm (c) angiosperm (d) alga.

Last Answer : (d) alga.

.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

Description : .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 ... - M; E - J (d) A - J; B - K; C - N; D - L; E - M

Last Answer : (a) A - L; B - J; C - M; D - N; E - K

There exists a close association between the alga and the fungus within a lichen. The fungus (a) provides protection, anchorage and absorption for the algae (b) provides food for the alga (c) fixes the atmospheric nitrogen for the alga (d) releases oxygen for the alga.

Description : There exists a close association between the alga and the fungus within a lichen. The fungus (a) provides protection, anchorage and absorption for the algae (b) provides food for the alga (c) fixes the atmospheric nitrogen for the alga (d) releases oxygen for the alga.

Last Answer : (a) provides protection, anchorage and absorption for the algae

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)

Litmus is obtained from (1) a bacterium (2) a fungus (3) an alga (4) lichen

Description : Litmus is obtained from (1) a bacterium (2) a fungus (3) an alga (4) lichen

Last Answer : lichen

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

Anyone know about parasitic infections that affect the lungs and intestines?

Description : Anyone know about parasitic infections that affect the lungs and intestines?

Last Answer : It is known that pork must be thoroughly cooked to kill any parasitic worms that might in in it. The worms from pigs go out in their shit. Other animals, and humans walk in the shit and the ... are sometimes found in the victim's feces, which alerts the victim of the presence of said tape worm.

Would you swallow the eggs of parasitic worms such as hookworms or whipworms to cure your allergies?

Description : Would you swallow the eggs of parasitic worms such as hookworms or whipworms to cure your allergies?

Last Answer : Have you SEEN those things? Not me.

I had a yellow parasitic vine on my flowers-should I change the soil?

Description : I had a yellow parasitic vine on my flowers-should I change the soil?

Last Answer : Need Answer

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.

List some animals that are found parasitic on human beings. -Biology

Description : List some animals that are found parasitic on human beings. -Biology

Last Answer : answer:

What is the difference between parasitic roots and mycorrhizae? -Biology

Description : What is the difference between parasitic roots and mycorrhizae? -Biology

Last Answer : answer:

What are parasitic roots? -Biology

Description : What are parasitic roots? -Biology

Last Answer : answer:

How many parasitic letters in Bengali alphabet ?

Description : How many parasitic letters in Bengali alphabet ?

Last Answer : There are three parasitic letters in the Bengali alphabet.

In which episode the animals are bisexual and parasitic ?

Description : In which episode the animals are bisexual and parasitic ?

Last Answer : Answer : Platyhelminthis animals are bisexual and parasitic.

What is a parasitic food chain ?

Description : What is a parasitic food chain ?

Last Answer : Animals that feed on other animals and survive on other animals are called parasitic food chains.

What is parasitic food chain ?

Description : What is parasitic food chain ?

Last Answer : In most cases, parasitic plants and animals feed on organisms larger than themselves. In some cases one parasite is dependent on another type of smaller parasite for its food. In this case, the first ... incomplete , for example, man 6 Mosquitoes 3 Dengue virus That's it Hall Parasites Food chain.

Which phylum includes exclusively marine non-parasitic forms of animals ?

Description : Which phylum includes exclusively marine non-parasitic forms of animals ?

Last Answer : Which phylum includes exclusively marine non-parasitic forms of animals ? A. Porifera B. Cnidaria C. Molluscs D. Echinoderms

$ Sea Aneomone has parasitic nutrition. ! Roundworms are also called Trematodes.

Description : $ Sea Aneomone has parasitic nutrition. ! Roundworms are also called Trematodes.

Last Answer : $ Sea Aneomone has parasitic nutrition. ! Roundworms are also called Trematodes. A. If both As and R are ... is wrong D. If both As and R are wrong.

$ Euglena is an organisms with a controversial position in classification of living organisms. ! Euglena has parasitic nutrition.

Description : $ Euglena is an organisms with a controversial position in classification of living organisms. ! Euglena has parasitic nutrition.

Last Answer : $ Euglena is an organisms with a controversial position in classification of living organisms. ! Euglena has ... D. If both As and R are wrong.

$ That branch of science which deals with the study of Fungi is called Phycology. ! Parasitic fungi cause diseases only in plants.

Description : $ That branch of science which deals with the study of Fungi is called Phycology. ! Parasitic fungi cause diseases only in plants.

Last Answer : $ That branch of science which deals with the study of Fungi is called Phycology. ! Parasitic fungi cause ... wrong D. If both As and R are wrong.