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 : Genetic and biochemical similarities between contemporary cyanobacteria and eukaryoticchloroplasts are accepted to mean that A- .eukaryotes evolved from bacteria B- eukaryotes evolved from archaea C- . ... evolved in eukaryotes D- .cyanobacteria arose from chloroplasts which escaped from plant cells
Last Answer : eukaryotes evolved from archaea
Description : $ Nostoc has chloropyll "a" and phycocyanin pigments. ! Chlorophyll "a" helps in oxygenic photosynthesis.
Last Answer : $ Nostoc has chloropyll "a" and phycocyanin pigments. ! Chlorophyll "a" helps in oxygenic photosynthesis. A. ... wrong D. If both As and R are wrong.
Description : What is true for cyanobacteria? (a) Oxygenic with nitrogenase (b) Oxygenic without nitrogenase (c) Non oxygenic with nitrogenase (d) Non oxygenic without nitrogenase
Last Answer : (a) Oxygenic with nitrogenase
Description : Oxygenic photosynthesis occurs in
Last Answer : Oxygenic photosynthesis occurs in A. Chlorobium B. Chromatium C. Oscillatoria D. Rhodospirillum
Description : Non-cyclic photophosphorylation is also known as a. Oxygenic photosynthesis b. Photosynthesis c. Anoxygenic photosynthesis d. Photophosphorylation
Last Answer : Ans: B
Description : Oxygenic photosynthesis occurs in (a) Oscillatoria (b) Rhodospirillum (c) Chlorobium (d) Chromatium.
Last Answer : (a) Oscillatoria
Description : A key energy compound in bacterial photosynthesis by cyanobacteria is ______ and a major end-product is ______. a. GTP; protein b. citrate; lactose c. glucose; chlorophyll d. ATP; glucose
Last Answer : c. glucose; chlorophyll
Description : Which of the following does not produce oxygen as a product of photosynthesis? A- A.Oak trees B.Purple sulfur bacteria C.Cyanobacteria D.Phytoplankton
Last Answer : Purple sulfur bacteria
Description : In the light of recent classification of living organisms into three domains of life (bacteria, archaea and eukarya), which one of the following statements is true about archaea? (a) Archaea ... respects. (d) Archaea have some novel features that are absent in other prokaryotes and eukaryotes.
Last Answer : (d) Archaea have some novel features that are absent in other prokaryotes and eukaryote
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 : 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 : 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 : 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 : 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
Description : $ Photosynthesis roots are a type of Tap Root System. ! Anoxygenic photosynthesi is performed by photosynthetic roots.
Last Answer : $ Photosynthesis roots are a type of Tap Root System. ! Anoxygenic photosynthesi is performed by photosynthetic ... D. If both As and R are wrong.
Description : $ The first step towards photosynthesis is reduction of `CO_2`. ! ATP is released by the reduction of `CO_2`.
Last Answer : $ The first step towards photosynthesis is reduction of `CO_2`. ! ATP is released by the reduction of `CO_2 ... wrong D. If both As and R are wrong.
Description : $ When the total number of chromosomes is not the exact multiple of the haploid number of an organisms, the phenomenon is called euploidy. ! Euploidy
Last Answer : $ When the total number of chromosomes is not the exact multiple of the haploid number of an organisms, the ... wrong D. If both As and R are wrong.
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 : $ Anarobic respiration occurs in the aquatic organisms. ! Aquatic organisms are never autotrophic.
Last Answer : $ Anarobic respiration occurs in the aquatic organisms. ! Aquatic organisms are never autotrophic. A. If both ... D. If both As and R are wrong.
Description : $ Morphology deals with the study of external characters of the organisms ! Physiology deals with the study the various functions of a living organism
Last Answer : $ Morphology deals with the study of external characters of the organisms ! Physiology deals with the study the ... D. If both As and R are wrong.
Description : $ Nitrogen fixing bateria always live in symbiosis. ! Symbiosis occurs between the organisms of the same species.
Last Answer : $ Nitrogen fixing bateria always live in symbiosis. ! Symbiosis occurs between the organisms of the same species. ... D. If both As and R are wrong.
Description : $ Exo-biology is a branch of biology. ! It deals with the study of external characters of the living organisms.
Last Answer : $ Exo-biology is a branch of biology. ! It deals with the study of external characters of the living ... is wrong D. If both As and R are wrong.
Description : $ The process of synthesis of complex organic molecules from simpler ones, by the living organisms is called Anabolisms. ! Anabolism is always useful
Last Answer : $ The process of synthesis of complex organic molecules from simpler ones, by the living organisms is called ... wrong D. If both As and R are wrong.
Description : $ Kingdom Monera includes the unicellular prokaryotic organisms. ! Eukaryotes are the organisms which have a eukaryotic nucleus and double membraned o
Last Answer : $ Kingdom Monera includes the unicellular prokaryotic organisms. ! Eukaryotes are the organisms which have a ... D. If both As and R are wrong.
Description : $ The zyhote developes into a multicellular organisms. ! Each cell is totipotent.
Last Answer : $ The zyhote developes into a multicellular organisms. ! Each cell is totipotent. A. If both As and R are ... is wrong D. If both As and R are wrong.
Description : $ Unicellular eukaryotes are the simplest organisms. ! Prokaryotes have the mitochondria whereas eukaryotes are without mitochondria.
Last Answer : $ Unicellular eukaryotes are the simplest organisms. ! Prokaryotes have the mitochondria whereas eukaryotes are ... . If both As and R are wrong.
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.
Description : $ Classification based on the evolutionary relationships among the organisms is called phylogenetic classification. ! According to Binomila Nomenclatu
Last Answer : $ Classification based on the evolutionary relationships among the organisms is called phylogenetic classification. ! ... 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 : $ Viruses are at a border line position between living and non living. ! Phytoplanktons are those living organisms which are aquatic.
Last Answer : $ Viruses are at a border line position between living and non living. ! Phytoplanktons are those living ... wrong D. If both As and R are wrong.
Description : $ Amitosis occurs with spindle formation. ! Amitosis occurs during the formation of gametes in diploid organisms.
Last Answer : $ Amitosis occurs with spindle formation. ! Amitosis occurs during the formation of gametes in diploid organisms. ... D. If both As and R are wrong.
Description : $ Louis Pasteur discovered that fermentation is brought about by micro-organisms ! Parasitic becteria bring about fermentation.
Last Answer : $ Louis Pasteur discovered that fermentation is brought about by micro-organisms ! Parasitic becteria bring about ... D. If both As and R are wrong.
Description : $ Nucleus was discovered by Robert Brown ! Large sized organisms have large sized cells.
Last Answer : $ Nucleus was discovered by Robert Brown ! Large sized organisms have large sized cells. A. If both As and ... is wrong D. If both As and R are wrong.
Description : $ living organisms can exist alone ! A population is a group of organisms of entirely different species occupying a particular area.
Last Answer : $ living organisms can exist alone ! A population is a group of organisms of entirely different species occupying ... D. If both As and R are wrong.
Description : $ The entire material world which can be seen and detected with instrument is like microscops and telescope is called universe. ! Living organisms are
Last Answer : $ The entire material world which can be seen and detected with instrument is like microscops and telescope is ... D. If both As and R are wrong.
Description : $ Cellular totipotency means that single cell can give rise to a fully grown multicellular organisms ! Meristematic cells are also called "stem cells"
Last Answer : $ Cellular totipotency means that single cell can give rise to a fully grown multicellular organisms ! Meristematic ... D. If both As and R are wrong.
Description : $ Life on earth originated by interaction of the various chemical substances in the broth of the sea. ! The first organisms were, pherhaps the chemoau
Last Answer : $ Life on earth originated by interaction of the various chemical substances in the broth of the sea. ! The ... wrong D. If both As and R are wrong.
Description : $ All of the living organisms utilize light energy for their metabolism ! Positive metabolism is called catabolism
Last Answer : $ All of the living organisms utilize light energy for their metabolism ! Positive metabolism is called catabolism ... D. If both As and R are wrong.
Description : $ Homoestasis is the capacity of a living organisms to maintain its constant internal conditions. Majority of homoestatic processes occur with the hel
Last Answer : $ Homoestasis is the capacity of a living organisms to maintain its constant internal conditions. Majority of ... D. If both As and R are wrong.
Description : $ DNA contains all the neccesary information and instructions for cell reproduction Reproduction is not essential for the living organisms.
Last Answer : $ DNA contains all the neccesary information and instructions for cell reproduction Reproduction is not essential ... . If both As and R are wrong.
Description : $ the sum total of anabolic and catabolic activities is called metabolism ! Organisms with positive metabolism remain healthy.
Last Answer : $ the sum total of anabolic and catabolic activities is called metabolism ! Organisms with positive metabolism ... D. If both As and R are wrong.
Description : The oldest eukaryotic organisms are considered to be A- diplomonads like Giardia B- archaea C- fungi D- animals
Last Answer : archaea
Description : $ Modern wheat is hexaploid. ! Polyploidy leads to the formation of new varieties.
Last Answer : $ Modern wheat is hexaploid. ! Polyploidy leads to the formation of new varieties. A. If both As and R ... is wrong D. If both As and R are wrong.
Description : Which one of the following categories of organisms do not evolve oxygen during Photosynthesis
Last Answer : Which one of the following categories of organisms do not evolve oxygen during Photosynthesis A. Red ... plants with Kranz anatomy D. Blue green algae
Last Answer : Which one of the following categories of organisms do not evolve oxygen during ... Photosynthetic green algae D. Photosynthetic bacteria
Description : What organisms did the process of photosynthesis most likely originate?
Last Answer : What is the answer ?
Description : What types of organisms can perform photosynthesis?
Last Answer : Green PlantsThere are few others except plants .They are algae,few protozoa and bacteria