What features did the cells you observed have in common How were they different - Bacillus Megaterium - Mixed Diatoms - Anaboena - Micrococcus Luteus - Hydra - Saccharomyces - Paramecium?

What features did the cells you observed have in common How were they different - Bacillus Megaterium - Mixed Diatoms - Anaboena - Micrococcus Luteus - Hydra - Saccharomyces - Paramecium?
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Biradial symmetry and lack of cnidoblasts are the characteristics of (a) Hydra and starfish (b) Starfish and sea anemone (c) Ctenoplana and Beroe (d) Aurelia and Paramecium.

Description : Biradial symmetry and lack of cnidoblasts are the characteristics of (a) Hydra and starfish (b) Starfish and sea anemone (c) Ctenoplana and Beroe (d) Aurelia and Paramecium.

Last Answer : (c) Ctenoplana and Beroe

Reproduction by budding takes place in a) Hydra b)Paramecium c)Amoeba d)bacteria

Description : Reproduction by budding takes place in a) Hydra b)Paramecium c)Amoeba d)bacteria

Last Answer : a) Hydra

Microbe used for biocontrol of pest butterfly caterpillars is (a) Saccharomyces cerevisiae (b) Bacillus thuringiensis (c) Streptococcus sp. (d) Trichoderma sp.

Description : Microbe used for biocontrol of pest butterfly caterpillars is (a) Saccharomyces cerevisiae (b) Bacillus thuringiensis (c) Streptococcus sp. (d) Trichoderma sp.

Last Answer : (b) Bacillus thuringiensis

Microbial rennet, which is used in cheese manufacture is produced by A- .Mucorspp B- Aspergillusspp C- Bacillus spp D- Saccharomyces spp

Description : Microbial rennet, which is used in cheese manufacture is produced by A- .Mucorspp B- Aspergillusspp C- Bacillus spp D- Saccharomyces spp

Last Answer : Aspergillusspp

For examination of diatoms sample should collect from (a). Bone marrow (b). Blood (c). Tissue (d). Epithelial cells

Description : For examination of diatoms sample should collect from (a). Bone marrow (b). Blood (c). Tissue (d). Epithelial cells 

Last Answer : Ans: (a). Bone marrow

"Slipper animalcule" is the common name for: (1) Paramecium (2) Tiypanosoma (3) Monocystis (4) Plasmodium

Description : "Slipper animalcule" is the common name for: (1) Paramecium (2) Tiypanosoma (3) Monocystis (4) Plasmodium

Last Answer : (1) Paramecium Explanation: "Animalcule" is a old term for a microorganism; it just means "small animal". A paramecium is shaped somewhat like a slipper (a soft shoe), so ... Proteus animalcule; Noctiluca scintillans, commonly called the 'SeaSparkles'; Rotifers, called wheel animalcules, etc.

“Slipper animalcule” is the common name for: (1) Paramecium (2) Trypanosoma (3) Monocystis (4) Plasmodium

Description : “Slipper animalcule” is the common name for: (1) Paramecium (2) Trypanosoma (3) Monocystis (4) Plasmodium

Last Answer : Paramecium

Explain ' Characteristic Cells of Nidoblast Hydra ' ?

Description : Explain ' Characteristic Cells of Nidoblast Hydra ' ?

Last Answer : Hydra nidaria. The outer layer of the hydra is called the ectoderm and the inner layer is called the endoderm. At the ectoderm layer there is a characteristic cell called nidoblast. These cells ... such as hunting , self-defense , and movement. This is why "nidoblast hydra characteristic cells".

.Which one of the following animals possesses nerve cells but no nerves? (a) Hydra (b) Tapeworm (c) Earthworm (d) Frog’s tadpole

Description : .Which one of the following animals possesses nerve cells but no nerves? (a) Hydra (b) Tapeworm (c) Earthworm (d) Frog’s tadpole

Last Answer : (a) Hydra

The nephridia in earthworm are analogous to (a) nematoblasts of Hydra (b) flame cells of Planaria (c) gills of prawn (d) trachea of insects.

Description : The nephridia in earthworm are analogous to (a) nematoblasts of Hydra (b) flame cells of Planaria (c) gills of prawn (d) trachea of insects.

Last Answer : (b) flame cells of Planaria

Which of the following animals have scattered cells with cell - tissue grade organisation? (a) Sponge (b) Hydra (c) Liver fluke (d) Ascaris

Description : Which of the following animals have scattered cells with cell - tissue grade organisation? (a) Sponge (b) Hydra (c) Liver fluke (d) Ascaris

Last Answer : (b) Hydra

If we were to completely eliminate one group of marine organisms from the ocean, which would most likely be fatal to marin fish populations? Elimination of: a) urchins b) diatoms (pron: DIE-a-toms) c) starfishes d) sea anemones (pron: a-NEM-a-nees)

Description : If we were to completely eliminate one group of marine organisms from the ocean, which would most likely be fatal to marin fish populations? Elimination of: a) urchins b) diatoms (pron: DIE-a-toms) c) starfishes d) sea anemones (pron: a-NEM-a-nees)

Last Answer : ANSWER: B -- DIATOMS

Bacillus thuringiensis forms protein crystals which contain insecticidal protein. This protein (a) binds with epithelial cells of midgut of the insect pest ultimately killing it (b) is coded by several genes including the gene cry (c) is activated by acid pH of the foregut of the insect pest (d) does not kill the carrier bacterium which is itself resistant to this toxin.

Description : Bacillus thuringiensis forms protein crystals which contain insecticidal protein. This protein (a) binds with epithelial cells of midgut of the insect pest ultimately killing it (b) is coded by several ... pest (d) does not kill the carrier bacterium which is itself resistant to this toxin.

Last Answer : (a) binds with epithelial cells of midgut of the insect pest ultimately killing it

Which among the following are the smallest living cells, known without a definite cell wall, pathogenic to plants as well as animals and can survive without oxygen? (a) Pseudomonas (b) Mycoplasma (c) Nostoc (d) Bacillus

Description : Which among the following are the smallest living cells, known without a definite cell wall, pathogenic to plants as well as animals and can survive without oxygen? (a) Pseudomonas (b) Mycoplasma (c) Nostoc (d) Bacillus

Last Answer : (b) Mycoplasma

Which among the following are the smallest living cells, known without a definite cell wall, pathogenic to plants as well as animals and can survive without oxygen ? (1) Pseudomonas (2) Mycoplasma (3) Nostoc (4) Bacillus

Description : Which among the following are the smallest living cells, known without a definite cell wall, pathogenic to plants as well as animals and can survive without oxygen ? (1) Pseudomonas (2) Mycoplasma (3) Nostoc (4) Bacillus

Last Answer : (2) Mycoplasma

. A common biocontrol agent for the control of plant diseases is (a) baculovirus (b) Bacillus thuringiensis (c) Glomus (d) Trichoderma.

Description : . A common biocontrol agent for the control of plant diseases is (a) baculovirus (b) Bacillus thuringiensis (c) Glomus (d) Trichoderma.

Last Answer : (d) Trichoderma.

Match the following organisms with the products they produce. (A) Lactobacillus (i) Cheese (B) Saccharomyces (ii) Curd cerevisiae (C) Aspergillus niger (iii) Citric acid (D) Acetobacter aceti (iv) Bread (v) Acetic acid Select the correct option. (A) (B) (C) (D) (a) (ii) (i) (iii) (v) (b) (ii) (iv) (v) (iii) (c) (ii) (iv) (iii) (v) (d) (iii) (iv) (v) (i)

Description : Match the following organisms with the products they produce. (A) Lactobacillus (i) Cheese (B) Saccharomyces (ii) Curd cerevisiae (C) Aspergillus niger (iii) Citric acid (D) Acetobacter aceti (iv) Bread (v) Acetic acid Select the correct ... v) (iii) (c) (ii) (iv) (iii) (v) (d) (iii) (iv) (v) (i)

Last Answer : c) (ii) (iv) (iii) (v)

Which kind of organisms are the diatoms? -Do You Know?

Description : Which kind of organisms are the diatoms? -Do You Know?

Last Answer : answer:

$ In case of human beings, the process of focusing of an object by the eyes is called dioptric part. ! Diatoms are a type of Nektons.

Description : $ In case of human beings, the process of focusing of an object by the eyes is called dioptric part. ! Diatoms are a type of Nektons.

Last Answer : $ In case of human beings, the process of focusing of an object by the eyes is called dioptric part. ! ... is wrong D. If both As and R are wrong.

$ In the cell wall of Dinoflagellates, there is present only one groove. ! Diatoms have two flagella.

Description : $ In the cell wall of Dinoflagellates, there is present only one groove. ! Diatoms have two flagella.

Last Answer : $ In the cell wall of Dinoflagellates, there is present only one groove. ! Diatoms have two flagella. A. ... is wrong D. If both As and R are wrong.

In pond ecosystem, diatoms represent

Description : In pond ecosystem, diatoms represent

Last Answer : In pond ecosystem, diatoms represent A. Producers B. Primary consumers C. Secondary consumers D. Tertiary consumers

Why diatoms are used in filtration and polishing?

Description : Why diatoms are used in filtration and polishing?

Last Answer : Why diatoms are used in filtration and polishing?

Why is light intensity a major factor in controlling the numbers of diatoms?

Description : Why is light intensity a major factor in controlling the numbers of diatoms?

Last Answer : can someone give me the answer. I don't have a bloody clue

Tiny marine animals which constitute limestone skeletons are called – (1) Clamitomonous (2) Foraminifera (3) Coral reefs (4) Diatoms

Description : Tiny marine animals which constitute limestone skeletons are called – (1) Clamitomonous (2) Foraminifera (3) Coral reefs (4) Diatoms

Last Answer : (3) Coral reefs Explanation: Coral reefs are underwater structures made from calcium carbonate secreted by corals. Coral reefs are colonies of tiny animals found in marine waters that contain few ... reefs are built from stony corals, which in turn consist of polyps that cluster in groups.

Which is the reason for highest biomass in aquatic ecosystem? (a) Nano plankton, blue green algae and green algae (b) Sea grass and slime moulds (c) Benthic and brown algae (d) Diatoms

Description : Which is the reason for highest biomass in aquatic ecosystem? (a) Nano plankton, blue green algae and green algae (b) Sea grass and slime moulds (c) Benthic and brown algae (d) Diatoms

Last Answer : (c) Benthic and brown algae

Auxospores and hormogonia are formed, respectively, by (a) some diatoms and several cyanobacteria (b) some cyanobacteria and many diatoms (c) several cyanobacteria and several diatoms (d) several diatoms and a few cyanobacteria.

Description : Auxospores and hormogonia are formed, respectively, by (a) some diatoms and several cyanobacteria (b) some cyanobacteria and many diatoms (c) several cyanobacteria and several diatoms (d) several diatoms and a few cyanobacteria.

Last Answer : (d) several diatoms and a few cyanobacteria.

Select the wrong statement. (a) The walls of diatoms are easily destructible. (b) ‘Diatomaceous earth’ is formed by the cell walls of diatoms. (c) Diatoms are chief producers in the oceans. (d) Diatoms are microscopic and float passively in water.

Description : Select the wrong statement. (a) The walls of diatoms are easily destructible. (b) ‘Diatomaceous earth’ is formed by the cell walls of diatoms. (c) Diatoms are chief producers in the oceans. (d) Diatoms are microscopic and float passively in water.

Last Answer : (a) The walls of diatoms are easily destructible.

Which of the following organisms are known as chief producers in the oceans? (a) Dinoflagellates (b) Diatoms (c) Cyanobacteria (d) Euglenoids

Description : Which of the following organisms are known as chief producers in the oceans? (a) Dinoflagellates (b) Diatoms (c) Cyanobacteria (d) Euglenoids

Last Answer : (b) Diatoms

Some hyperthermophilic organisms that grow in highly acidic (pH 2) habitats belong to the two groups (a) eubacteria and archaea (b) cyanobacteria and diatoms (c) protists and mosses (d) liverworts and yeasts.

Description : Some hyperthermophilic organisms that grow in highly acidic (pH 2) habitats belong to the two groups (a) eubacteria and archaea (b) cyanobacteria and diatoms (c) protists and mosses (d) liverworts and yeasts.

Last Answer : (a) eubacteria and archaea

: ______ are marine protists that have chalky skeletons. a. diatoms b. foraminifera c. algae d. radiolarians

Description : : ______ are marine protists that have chalky skeletons. a. diatoms b. foraminifera c. algae d. radiolarians

Last Answer : b. foraminifera

Which kind of organisms are the diatoms?

Description : Which kind of organisms are the diatoms?

Last Answer : Unicellular algae

Which of the following organisms are known as chief producers in the oceans ? (1) Dinoflagellates (2) Diatoms (3) Cyanobacteria (4) Euglenoids

Description : Which of the following organisms are known as chief producers in the oceans ? (1) Dinoflagellates (2) Diatoms (3) Cyanobacteria (4) Euglenoids

Last Answer : 2) Diatoms

What are Diatoms. Explain the identification methods of Diatoms and its specificity.

Description : What are Diatoms. Explain the identification methods of Diatoms and its specificity. 

Last Answer : Diatoms are a major group of eukaryotic algae, and are one of the most common types of phytoplankton. Most diatoms are unicellular, although some form chains or simple colonies. A characteristic feature of ... less silicized and have less resistance as compare to the fresh water diatoms.

One-celled algae enclosed in minute two-part silic shells are called: a) dinoflagellates (pron: die-no-flaj-el-ates) b) coelenterates (pron: sell-en-ter-ates) c) annelids d) diatoms

Description : One-celled algae enclosed in minute two-part silic shells are called: a) dinoflagellates (pron: die-no-flaj-el-ates) b) coelenterates (pron: sell-en-ter-ates) c) annelids d) diatoms

Last Answer : ANSWER: D -- DIATOMS 

Tiny marine animals which constitute limestone skeletons are called (1) Clamitomonous (2) Foraminifera (3) Coral reefs (4) Diatoms

Description : Tiny marine animals which constitute limestone skeletons are called (1) Clamitomonous (2) Foraminifera (3) Coral reefs (4) Diatoms

Last Answer : Coral reefs

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))

Measuring Biochemical Oxygen Demand (BOD) is a method used for (a) estimating the amount of organic matter in sewage water (b) working out the efficiency of oil driven automobile engines (c) measuring the activity of Saccharomyces cerevisiae in producing curd on a commercial scale (d) working out the efficiency of RBCs about their capacity to carry oxygen.

Description : Measuring Biochemical Oxygen Demand (BOD) is  a method used for  (a) estimating the amount of organic matter in  sewage water (b) working out the efficiency of oil driven  automobile engines ... commercial  scale (d) working out the efficiency of RBCs about their  capacity to carry oxygen.

Last Answer : (a) estimating the amount of organic matter in  sewage water

Measuring Biochemical Oxygen Demand (BOD) is a method used for (a) estimating the amount of organic matter in sewage water (b) working out the efficiency of oil driven automobile engines (c) measuring the activity of Saccharomyces cerevisiae in producing curd on a commercial scale (d) working out the efficiency of RBCs about their capacity to carry oxygen.

Description : Measuring Biochemical Oxygen Demand (BOD) is a method used for (a) estimating the amount of organic matter in sewage water (b) working out the efficiency of oil driven automobile engines (c) ... a commercial scale (d) working out the efficiency of RBCs about their capacity to carry oxygen.

Last Answer : (a) estimating the amount of organic matter in sewage water

Human insulin is being commercially produced from a transgenic species of (a) Rhizobium (b) Saccharomyces (c) Escherichia (d) Mycobacterium

Description : Human insulin is being commercially produced from a transgenic species of (a) Rhizobium (b) Saccharomyces (c) Escherichia (d) Mycobacterium

Last Answer : (c) Escherichia

The organism, used for alcohol fermentation, is (a) Aspergillus (b) Saccharomyces (c) Pseudomonas (d) Penicillium.

Description : The organism, used for alcohol fermentation, is (a) Aspergillus (b) Saccharomyces (c) Pseudomonas (d) Penicillium.

Last Answer : (b) Saccharomyces

Yeast (Saccharomyces cerevisiae) is used in the industrial production of (a) tetracyline (b) ethanol (c) butanol (d) citric acid.

Description : Yeast (Saccharomyces cerevisiae) is used in the industrial production of (a) tetracyline (b) ethanol (c) butanol (d) citric acid.

Last Answer : (b) ethanol

Which of the following is used to manufacture ethanol from starch? (a) Penicillium (b) Saccharomyces (c) Azotobacter (d) Lactobacillus

Description : Which of the following is used to manufacture ethanol from starch? (a) Penicillium (b) Saccharomyces (c) Azotobacter (d) Lactobacillus

Last Answer : (b) Saccharomyces

Ethanol is commercially produced through a particular species of (a) Saccharomyces (b) Clostridium (c) Trichoderma (d) Aspergillus.

Description : Ethanol is commercially produced through a particular species of (a) Saccharomyces (b) Clostridium (c) Trichoderma (d) Aspergillus.

Last Answer : (a) produce methane

A good producer of citric acid is (a) Clostridium (b) Saccharomyces (c) Aspergillus (d) Pseudomonas.

Description : A good producer of citric acid is (a) Clostridium (b) Saccharomyces (c) Aspergillus (d) Pseudomonas.

Last Answer : (c) Aspergillus

Match the following list of microbes and their importance. Column I Column II A. Saccharomyces (i) Production of cerevisiae immuno- suppressive agent B. Monascus (ii) Ripening of Swiss purpureus cheese C. Trichoderma (iii)Commercial polysporum production of ethanol D. Propionibacterium (iv) Production of shermanii blood-cholesterol lowering agents (a) A-(iv), B-(ii), C-(i), D-(iii) (b) A-(iii), B-(i), C-(iv), D-(ii) (c) A-(iii), B-(iv), C-(i), D-(ii) (d) A-(iv), B-(iii), C-(ii),D-(i)

Description : Match the following list of microbes and their importance. Column I Column II A. Saccharomyces (i) Production of cerevisiae immuno- suppressive agent B. Monascus (ii) Ripening of Swiss purpureus cheese C. Trichoderma (iii)Commercial ... C-(i), D-(ii) (d) A-(iv), B-(iii), C-(ii),D-(i)

Last Answer : (c) A-(iii), B-(iv), C-(i), D-(ii)

Cellulose is the major component of cell walls of (a) Pseudomonas (b) Saccharomyces (c) Pythium (d) Xanthomonas.

Description : Cellulose is the major component of cell walls of (a) Pseudomonas (b) Saccharomyces (c) Pythium (d) Xanthomonas.

Last Answer : (c) Pythium

.How many organisms in the list given below are autotrophs? Lactobacillus, Nostoc, Chara, Nitrosomonas, Nitrobacter, Streptomyces, Saccharomyces, Trypanosoma, Porphyra, Wolffia (a) Four (b) Five (c) Six (d) Three

Description : .How many organisms in the list given below are autotrophs? Lactobacillus, Nostoc, Chara, Nitrosomonas, Nitrobacter, Streptomyces, Saccharomyces, Trypanosoma, Porphyra, Wolffia (a) Four (b) Five (c) Six (d) Three

Last Answer : (c) Six

Which one of the following is a living fossil? (a) Cycas (b) Moss (c) Saccharomyces (d) Spirogyra

Description : Which one of the following is a living fossil? (a) Cycas (b) Moss (c) Saccharomyces (d) Spirogyra

Last Answer : (a) Cycas

Which one of the following living organisms completely lacks a cell wall? (a) Cyanobacteria (b) Sea-fan (Gorgonia) (c) Saccharomyces (d) Blue-green algae

Description : Which one of the following living organisms completely lacks a cell wall? (a) Cyanobacteria (b) Sea-fan (Gorgonia) (c) Saccharomyces (d) Blue-green algae

Last Answer : (b) Sea-fan (Gorgonia)

Membrane-bound organelles are absent in (a) Saccharomyces (b) Streptococcus (c) Chlamydomonas (d) Plasmodium.

Description : Membrane-bound organelles are absent in (a) Saccharomyces (b) Streptococcus (c) Chlamydomonas (d) Plasmodium.

Last Answer : (b) Streptococcus