What is the gelatinous substance produced by red algae which is used as a culture medium for bacteria called?

What is the gelatinous substance produced by red algae which is used as a culture medium for bacteria called?
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ANSWER: AGAR (pron: OG-er) or AGAR-AGAR (pron: OG-er-OG-er) 
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Name the gelatin-like substance which is prepared fro various species of red algae growing in Asiatic waters. The prepared product appears in the form of cakes, coarse granules, long shreds or in thin sheets. It is used extensively alone or in combination with various nutritive substances, as a medium for culturing bacteria and various fungi

Description :  Name the gelatin-like substance which is prepared fro various species of red algae growing in Asiatic waters. The prepared product appears in the form of cakes, coarse granules, long ... or in combination with various nutritive substances, as a medium for culturing bacteria and various fungi  

Last Answer : ANSWER: Agar-agar or just Agar

Gelatinous solid (which plug the septum) can be filtered by a __________ filter. (A) Sparkler (B) Plate and frame (C) Vacuum leaf (D) Pre-coat

Description : Gelatinous solid (which plug the septum) can be filtered by a __________ filter. (A) Sparkler (B) Plate and frame (C) Vacuum leaf (D) Pre-coat

Last Answer : (D) Pre-coat

Motoxins are produced by - (1) Bacteria (2) Algae (3) Viruses (4) Fungi

Description : Motoxins are produced by - (1) Bacteria (2) Algae (3) Viruses (4) Fungi

Last Answer : (4) Fungi Explanation: Aflatoxin are naturally occurring mycotoxins that are produced by Aspergillus flavus and Aspergillus parasiticus, species of fungi. They have been associated with various diseases, such as aflatoxicosis, in livestock, domestic animals and humans throughout the world.

Carbohydrates, the most abundant biomolecule on earth, are produced by (a) some bacteria, algae and green plant cells (b) fungi, algae and green plant cells (c) all bacteria, fungi and algae (d) viruses, fungi and bacteria.

Description : Carbohydrates, the most abundant biomolecule on earth, are produced by (a) some bacteria, algae and green plant cells (b) fungi, algae and green plant cells (c) all bacteria, fungi and algae (d) viruses, fungi and bacteria.

Last Answer : (a) some bacteria, algae and green plant cells

Afla toxins are produced by (1) Bacteria (2) Algae (3) Viruses (4) Fungi

Description : Afla toxins are produced by (1) Bacteria (2) Algae (3) Viruses (4) Fungi

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dB is a standard abbreviation used for the quantitative expression of (a) the density of bacteria in a medium (b) a particular pollutant (c) the dominant Bacillus in a culture (d) a certain pesticide.

Description : dB is a standard abbreviation used for the quantitative expression of (a) the density of bacteria in a medium (b) a particular pollutant (c) the dominant Bacillus in a culture (d) a certain pesticide.

Last Answer : (b) a particular pollutant

Agar is used for solidifying culture media because A-it does not affect by the growth of bacteria B-it does not add to the nutritive properties of the medium C-the melting and solidifying points of agar solution are not the same D-all of the above

Description : Agar is used for solidifying culture media because A-it does not affect by the growth of bacteria B-it does not add to the nutritive properties of the medium C-the melting and solidifying points of agar solution are not the same D-all of the above

Last Answer : all of the above

Which one of the following groups of organisms is thermophilic in that they can tolerate and grow at fairly high temperatures? (a) Certain bacteria and blue-green algae (b) Loris, rhesus monkey and red kangaroo (c) Llamas, camels and yaks (d) Bison, musk-ox and racoon

Description : Which one of the following groups of organisms is thermophilic in that they can tolerate and grow at fairly high temperatures? (a) Certain bacteria and blue-green algae (b) Loris, rhesus monkey and red kangaroo (c) Llamas, camels and yaks (d) Bison, musk-ox and racoon

Last Answer : Ans:(a)

When a substance is added to a liquid medium which inhibits the growth of unwanted bacteriaand favors the growth of wanted bacteria, it is known as A- differential medium B- enriched medium C- enrichment medium D-selective medium

Description : When a substance is added to a liquid medium which inhibits the growth of unwanted bacteriaand favors the growth of wanted bacteria, it is known as A- differential medium B- enriched medium C- enrichment medium D-selective medium

Last Answer : enrichment medium

An antibiotic is - (1) achemical synthesized by a human cell against a microorganism (2) a chemical synthesised by amicro-organism against another micro-organisms (3) a substance produced by blood cells against bacteria (4) a substance produced by blood cells against infection.

Description : An antibiotic is - (1) achemical synthesized by a human cell against a microorganism (2) a chemical synthesised by amicro-organism against another micro-organisms (3) a substance produced by blood cells against bacteria (4) a substance produced by blood cells against infection.

Last Answer : (2) a chemical synthesised by amicro-organism against another microorganisms Explanation: An antibacterial is an agent that inhibits bacterial growth or kills bacteria. The term is often used ... by a microorganism that is antagonistic to the growth of other microorganisms in high dilution.

An antibiotic is (1) a chemical synthesized by a human cell against a microorganism (2) a chemical synthesised by a micro-organism against another micro-organisms (3) a substance produced by blood cells against bacteria (4) a substance produced by blood cells against infection.

Description : An antibiotic is (1) a chemical synthesized by a human cell against a microorganism (2) a chemical synthesised by a micro-organism against another micro-organisms (3) a substance produced by blood cells against bacteria (4) a substance produced by blood cells against infection.

Last Answer : a chemical synthesised by a micro-organism against another micro-organisms

One scientist cultured Cladophora in a suspension of Azotobacter and illuminated the culture by splitting light through a prism. He observed that bacteria accumulated mainly in the region of (a) violet and green light (b) indigo and green light (c) orange and yellow light (d) blue and red light.

Description : One scientist cultured Cladophora in a suspension of Azotobacter and illuminated the culture by splitting light through a prism. He observed that bacteria accumulated mainly in the region of (a) violet and green light (b) indigo and green light (c) orange and yellow light (d) blue and red light.

Last Answer : (d) blue and red light.

Silviculture is the branch of botany in which we study about- (a) Culture of algae (b) Development of ofrest (c) Culture of fungi (d) Siliciphida plant

Description : Silviculture is the branch of botany in which we study about- (a) Culture of algae (b) Development of ofrest (c) Culture of fungi (d) Siliciphida plant

Last Answer : (b) Development of ofrest  

Which one of the following statements is wrong? (a) Eubacteria are also called false bacteria. (b) Phycomycetes are also called algal fungi. (c) Cyanobacteria are also called blue-green algae. (d) Golden algae are also called desmids.

Description : Which one of the following statements is wrong? (a) Eubacteria are also called false bacteria. (b) Phycomycetes are also called algal fungi. (c) Cyanobacteria are also called blue-green algae. (d) Golden algae are also called desmids.

Last Answer : (a) Eubacteria are also called false bacteria.

Which cell is found in bluish green algae or bacteria ?

Description : Which cell is found in bluish green algae or bacteria ?

Last Answer : The stem cells are found in bluish green algae or bacteria.

Golgi apparatus is absent in (a) Higher plants (b) Yeast (c) Bacteria and blue-green algae (d) Liver cells

Description : Golgi apparatus is absent in (a) Higher plants (b) Yeast (c) Bacteria and blue-green algae (d) Liver cells

Last Answer : Ans. ((c))

Cyclic phosphorylation is generally present in a. Cyanobacteria b. Algae c. Bacteria d. Plants

Description : Cyclic phosphorylation is generally present in a. Cyanobacteria b. Algae c. Bacteria d. Plants

Last Answer : Ans: A

The following organisms have been proposed as sources of single cell protein a. Bacteria b. Yeasts c. Algae d. All the three

Description : The following organisms have been proposed as sources of single cell protein a. Bacteria b. Yeasts c. Algae d. All the three

Last Answer : Ans: D

Lichen is considered to be a symbiotic association of two living organisms. Which organisms are involved in it? (a) Algae and bacteria (b) Algae and fungi (c) Algae and bryophytes (d) Fungi and bryophytes

Description : Lichen is considered to be a symbiotic association of two living organisms. Which organisms are involved in it? (a) Algae and bacteria (b) Algae and fungi (c) Algae and bryophytes (d) Fungi and bryophytes

Last Answer : Ans:(b)

An organism which can monitor air pollution is – (1) Bacteria (2) Lichen (3) Algae (4) Fungi

Description : An organism which can monitor air pollution is – (1) Bacteria (2) Lichen (3) Algae (4) Fungi

Last Answer : (2) Lichen Explanation: Lichens can be used as air pollution indicators, especially of the concentration of sulfur dioxide in the atmosphere. Air pollutants dissolved in rainwater, especially sulfur ... lichens, and prevent them from growing. This makes lichens natural indicators of air pollution.

Which of the following is/are examples for symbiotic association? (1) Algae - lichen (2) Plant roots - rhizobium bacteria (3) Both are right (4) Both are wrong

Description : Which of the following is/are examples for symbiotic association? (1) Algae - lichen (2) Plant roots - rhizobium bacteria (3) Both are right (4) Both are wrong

Last Answer : (3) Both are right

The scavengers earth are – (1) Bacteria (2) Viruses (3) Algae (4) Fun

Description : The scavengers earth are – (1) Bacteria (2) Viruses (3) Algae (4) Fun

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Yeast is a ______. (1) Bacteria (2) Fungi (3) Algae (4) Bryophyte

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Lichen is an association between which of the two? (1) Algae and fungus (2) Algae and tree (3) Fungus and tree (4) Bacteria and legume plant

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Last Answer : (1) Algae and fungus Explanation: A lichen is an organism that is formed by the symbiotic association of a fungus and an algae or cyanobacterium. It occurs as crusty patches or bushy growths on tree trunks, bare ground, etc. The properties are sometimes plant-like, but lichens are not plants.

Which is used as an Air pollution indicator? (1) Algae (2) Fungi (3) Bacteria (4) Lichens

Description : Which is used as an Air pollution indicator? (1) Algae (2) Fungi (3) Bacteria (4) Lichens

Last Answer : (4) Lichens Explanation: Lichens are used as air pollution indicators, especially of the concentration of sulfur dioxide in the atmosphere. If air is very badly polluted with sulphur dioxide there may be no ... may be found. If the air is clean, shrub-by, hairy and leafy lichens become abundant.

Rabies is caused by – (1) bacteria (2) virus (3) fungus (4) algae

Description : Rabies is caused by – (1) bacteria (2) virus (3) fungus (4) algae

Last Answer : (2) virus Explanation: Rabies is a viral disease that causes acute encephalitis in warm-blooded animals. The disease is zoonotic, meaning it can be transmitted from one species to another, such as from dogs to humans, commonly by a bite from an infected animal.

Penicillinis isolated from : (1) Fungi (2) Algae (3) Virus (4) Bacteria

Description : Penicillinis isolated from : (1) Fungi (2) Algae (3) Virus (4) Bacteria

Last Answer : (1) Fungi Explanation: Penicillin is one of the first and still one of the most widely used antibiotic agents - derived from the Penicillium mold (fungi). Penicillin kills bacteria by interfering with the ability to synthesize cell wall.

Which of the following groups of organisms reproduce faster? (1) Algae (2) Fungi (3) Bacteria (4) Protozoa

Description : Which of the following groups of organisms reproduce faster? (1) Algae (2) Fungi (3) Bacteria (4) Protozoa

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Of all micro-organisms, the most adaptable and versatile are – (1) Viruses (2) Bacteria (3) Algae (4) Fungi

Description : Of all micro-organisms, the most adaptable and versatile are – (1) Viruses (2) Bacteria (3) Algae (4) Fungi

Last Answer : (1) Viruses Explanation: The viruses are adaptable and versatile with many variations worldwide and they reproduce within the cells of the immune system of infected people. ... versatility an individual has developed to respond to changing interpersonal situations and environmental requirements.

The first photosynthetic oxygen liberating organisms to appear on earth were (1) Cyanobacteria (2) Bryophytes (3) Green algae (4) Bacteria

Description : The first photosynthetic oxygen liberating organisms to appear on earth were (1) Cyanobacteria (2) Bryophytes (3) Green algae (4) Bacteria

Last Answer : (1) Cyanobacteria Explanation: Cyanobacteria or blue green algae were the photosynthetic organisms that lived in the ancient ocean. It liberated the oxygen found in the iron oxide.

Enzymes are absent in – (1) fungi (2) bacteria (3) viruses (4) algae

Description : Enzymes are absent in – (1) fungi (2) bacteria (3) viruses (4) algae

Last Answer : (3) viruses

Surface water is a better source of drinking water because it is poor in - (1) Dust (2) Bacteria (3) Arsenic (4) Algae

Description : Surface water is a better source of drinking water because it is poor in - (1) Dust (2) Bacteria (3) Arsenic (4) Algae

Last Answer : (3) Arsenic Explanation: Surface water is a better source of drinking water because it is poor in arsenic.

The micronutrient for bacteria; algae and fungi?

Description : The micronutrient for bacteria; algae and fungi?

Last Answer : Cobalt

The primary producers of the deep-sea hydrothermal vent ecosystem are (a) green algae (b) chemosynthetic bacteria (c) blue-green algae (d) coral reefs.

Description : The primary producers of the deep-sea hydrothermal vent ecosystem are (a) green algae (b) chemosynthetic bacteria (c) blue-green algae (d) coral reefs.

Last Answer : (b) chemosynthetic bacteria

Which of the following is not correctly matched for the organism and its cell wall degrading enzyme? (a) Algae – Methylase (b) Fungi – Chitinase (c) Bacteria – Lysozyme (d) Plant cells – Cellulase

Description : Which of the following is not correctly matched for the organism and its cell wall degrading enzyme? (a) Algae – Methylase (b) Fungi – Chitinase (c) Bacteria – Lysozyme (d) Plant cells – Cellulase

Last Answer : (a) Algae – Methylase

What is VAM ? (A) Virus (B) Bacteria (C) Algae (D) Fung

Description : What is VAM ? (A) Virus (B) Bacteria (C) Algae (D) Fung

Last Answer : (D) Fungi

Golgi apparatus is absent in (a) higher plants (b) yeast (c) bacteria and blue-green algae (d) none.

Description : Golgi apparatus is absent in (a) higher plants (b) yeast (c) bacteria and blue-green algae (d) none.

Last Answer : (c) bacteria and blue-green algae

Organisms, which fix atmospheric nitrogen in the soil, fall under the category of (a) bacteria (b) green algae (c) soil fungi (d) mosses.

Description : Organisms, which fix atmospheric nitrogen in the soil, fall under the category of (a) bacteria (b) green algae (c) soil fungi (d) mosses.

Last Answer : (a) bacteria

A few organisms are known to grow and multiply at temperatures of 100-105o C. They belong to (a) thermophilic sulphur bacteria (b) hot spring blue-green algae (c) methanogenic archaebacteria (d) marine archaebacteria.

Description : A few organisms are known to grow and multiply at temperatures of 100-105o C. They belong to (a) thermophilic sulphur bacteria (b) hot spring blue-green algae (c) methanogenic archaebacteria (d) marine archaebacteria.

Last Answer : (a) thermophilic sulphur bacteria

In the five kingdom system of classification, which single kingdom out of the following can include blue-green algae, nitrogen fixing bacteria and methanogenic archaebacteria? (a) Plantae (b) Protista (c) Monera (d) Fungi

Description : In the five kingdom system of classification, which single kingdom out of the following can include blue-green algae, nitrogen fixing bacteria and methanogenic archaebacteria? (a) Plantae (b) Protista (c) Monera (d) Fungi

Last Answer : (c) Monera

Which one is not studied in microbiology? A- Bacteria B- Animal behavior C- Fungi D- Algae

Description : Which one is not studied in microbiology? A- Bacteria B- Animal behavior C- Fungi D- Algae

Last Answer : Animal behavior

Which group includes single celled protozoa and algae? a. Bacteria b. Archaea c. Fungi d. Protista

Description : Which group includes single celled protozoa and algae? a. Bacteria b. Archaea c. Fungi d. Protista

Last Answer : d. Protista

Microbiology includes which of the following groups of microorganisms? a. bacteria b. fungi c. algae d. protozoa e. all the above

Description : Microbiology includes which of the following groups of microorganisms? a. bacteria b. fungi c. algae d. protozoa e. all the above

Last Answer : e. all the above

Which group of microbial agents is eukaryotic? a. Bacteria b. Viruses c. Archaea d. Algae

Description : Which group of microbial agents is eukaryotic? a. Bacteria b. Viruses c. Archaea d. Algae

Last Answer : d. Algae

When domestic sewage / fertilisers is released into rivers , the growth of algae and bacteria is a) promoted b)not affected c)inhibited d)None of the above

Description : When domestic sewage / fertilisers is released into rivers , the growth of algae and bacteria is a) promoted b)not affected c)inhibited d)None of the above

Last Answer : a) promoted

Which is a good example of unicellular ascomycota a. Yeast b. Bacteria c. Fungi d. Algae

Description : Which is a good example of unicellular ascomycota a. Yeast b. Bacteria c. Fungi d. Algae

Last Answer : a. Yeast

Bacteria and blue-green algae are among the few types of these cells, which lack a nuclear membrane. Name this type of cell.

Description : Bacteria and blue-green algae are among the few types of these cells, which lack a nuclear membrane. Name this type of cell. 

Last Answer : ANSWER: PROCARYOTIC CELL (pron: pro-KARE-ee-o-tik)

In studies of plants, which of the following are thallophytes? a) bacteria b) fungi c) algae d) all of the above

Description : In studies of plants, which of the following are thallophytes? a) bacteria b) fungi c) algae d) all of the above

Last Answer : ANSWER: D -- ALL OF THE ABOVE

Agar – Agar is obtained from – (a) Fungi (b) Algae (c) Moss (d) Bacteria

Description : Agar – Agar is obtained from – (a) Fungi (b) Algae (c) Moss (d) Bacteria

Last Answer : (b) Algae 

Phycology is the study of (1) Bacteria (2) Algae (3) Fungi (4) Lichens

Description : Phycology is the study of (1) Bacteria (2) Algae (3) Fungi (4) Lichens

Last Answer : Algae