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
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.
Description : In which group of organisms the cell walls form two thin overlapping shells which fit together? (a) Dinoflagellates (b) Slime moulds (c) Chrysophytes (d) Euglenoids
Last Answer : (c) Chrysophytes
Description : Chrysophytes, Euglenoids, Dinoflagellates and Slime moulds are included in the Kingdom (a) Fungi (b) Animalia (c) Monera (d) Protista.
Last Answer : (d) Protista.
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
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.
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
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.
Description : Which kind of organisms are the diatoms? -Do You Know?
Last Answer : answer:
Description : Which kind of organisms are the diatoms?
Last Answer : Unicellular algae
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
Description : $ The first photosynthetic organisms which show oxygenic photosynthesis were cyanobacteria. ! Photosynthesis by Eubacteria is Anoxygenic.
Last Answer : $ The first photosynthetic organisms which show oxygenic photosynthesis were cyanobacteria. ! Photosynthesis by ... If both As and R are wrong.
Description : $ The oldest microfossils of organisms resemble the modern day cyanobacteria. ! Cyanobacteria have oxygenic photosynthesis.
Last Answer : $ The oldest microfossils of organisms resemble the modern day cyanobacteria. ! Cyanobacteria have oxygenic ... . If both As and R are wrong.
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.
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)
Description : Match the organisms in column-I with habitats in column-II. Column-I Column-II A. Halophiles (i) Hot springs B. Thermoacidophiles (ii) Aquatic environment C. Methanogens (iii)Guts of ruminants D. Cyanobacteria (iv) Salty area Select the correct ... , C-(ii), D-(i) (d) A-(ii), B-(iv), C-(iii), D-(i)
Last Answer : (a) A-(iv), B-(i), C-(iii), D-(ii)
Description : What are the characteristics of euglenoids?
Last Answer : What are the characteristics of euglenoids?
Description : Are reservoirs that chemical elements can move through as part of the Earth's biogeochemical cycle I.the solid Earth II.Earth's oceans III.Earth's atmosphere IV.organisms on Earth?
Last Answer : Need answer
Description : Biosphere refers to - (1) the area of the land inhabited by living organism (2) the part of ocean inhabited by plants and animals (3) the portion of the earth, including the oceans ... land, the soil and the atmosphere inhabited by living organisms (4) the atmosphere surrounding the living organisms
Last Answer : (3) the portion of the earth, including the oceans, the land, the soil and the atmosphere inhabited by living organisms Explanation: The biosphere is the global ecological system integrating all living beings ... up of the parts of Earth where life exists. It is the worldwide sum of all ecosystems.
Description : Biosphere refers to (1) the area of the land inhabited by living organism (2) the part of ocean inhabited by plants and animals (3) the portion of the earth, including the oceans, the land, the soil and the atmosphere inhabited by living organisms (4) the atmosphere surrounding the living organisms
Last Answer : the portion of the earth, including the oceans, the land, the soil and the atmosphere inhabited by living organisms
Description : $ Dinoflagellates have two grooves in the cell wall. ! There are many flagella in each groove.
Last Answer : $ Dinoflagellates have two grooves in the cell wall. ! There are many flagella in each groove. A. If both ... is wrong D. If both As and R are wrong.
Description : What are dinoflagellates?
Last Answer : What are dinoflagellates?
Description : What is the Marine dinoflagellates and seaweed are members of the what kingdom?
Description : Methanogens belong to (a) eubacteria (b) archaebacteria (c) dinoflagellates (d) slime moulds.
Last Answer : (b) archaebacteria
Description : The _______are members of the_____________ a. Green Algae; Protozoa b. Radiolarians; Apicomplexans c. Dinoflagellates; Phytoplankton d. Radiolarians; Fungus-Like Protists
Last Answer : c. Dinoflagellates; Phytoplankton
Description : $ Phagotrophs take solid nutrition. ! Photosynthetic organisms are called Producers.
Last Answer : $ Phagotrophs take solid nutrition. ! Photosynthetic organisms are called Producers. A. If both As and R are ... wrong D. If both As and R are wrong.
Description : $ Ecologically, animals are consumers. ! Living organisms are classified as follows : (i) Producers (ii) Consumers (iii) Decomposers
Last Answer : $ Ecologically, animals are consumers. ! Living organisms are classified as follows : (i) Producers (ii) ... wrong D. If both As and R are wrong.
Description : The stability of a pond ecosystem depends on - (1) micro-organisms and fishes (2) micro-organisms and zoo planktons (3) fishes and reptiles (4) producers and consumers
Last Answer : (4) producers and consumers
Description : Which organisms are dependent upon other animals for food? C A. Producers B. Herbivores C. Scavengers D. Primary consumers
Last Answer : Scavengers
Description : Nutrients are recycled in the atmosphere with the help of certain micro-organisms referred to as (1) producers (2) consumers (3) decomposers (4) None of these
Last Answer : decomposers
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.
Description : In pond ecosystem, diatoms represent
Last Answer : In pond ecosystem, diatoms represent A. Producers B. Primary consumers C. Secondary consumers D. Tertiary consumers
Description : Why diatoms are used in filtration and polishing?
Last Answer : Why diatoms are used in filtration and polishing?
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
Description : What features did the cells you observed have in common How were they different - Bacillus Megaterium - Mixed Diatoms - Anaboena - Micrococcus Luteus - Hydra - Saccharomyces - Paramecium?
Last Answer : Feel Free to Answer
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.
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
Description : : ______ are marine protists that have chalky skeletons. a. diatoms b. foraminifera c. algae d. radiolarians
Last Answer : b. foraminifera
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.
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
Description : Tiny marine animals which constitute limestone skeletons are called (1) Clamitomonous (2) Foraminifera (3) Coral reefs (4) Diatoms
Last Answer : Coral reefs
Description : Which of the following sentences best summarizes the differences between the red and blue oceans strategies? A. Red oceans are about avoiding head-to-head competition while blue oceans are ... are occasionally created well beyond existing industry boundaries. D. All the above options are valid
Last Answer : In the red oceans, industry boundaries are defined and accepted and the competitive rules of the game are known. Blue oceans are occasionally created well beyond existing industry boundaries.
Description : Which of the following sentences best summarizes the differences between the red and blue oceans strategies? A. Red oceans are about avoiding head-to-head competition while blue oceans are ... occasionally created well beyond existing industry boundaries. D. All the above options are valid
Last Answer : In the red oceans, industry boundaries are defined and accepted and the competitive rules of the game are known. Blue oceans are occasionally created well beyond existing industry boundaries
Description : Why cyanobacteria are called blue green algae? -Biology
Description : Importance of cyanobacteria in agriculture fields for crop improvement. -Biology
Description : Are cyanobacteria heterotrophic? -Biology
Description : Importance of heterocyst in cyanobacteria? -Biology
Description : Which among the following is not included under cyanobacteria -Science