Description : Chlorophyll a occurs in (a) all photosynthetic autotrophs (b) in all higher plants (c) all oxygen liberating autotrophs (d) all plants except fungi
Last Answer : (c) all oxygen liberating autotrophs
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 : 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)
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 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.
Description : Cyclic phosphorylation is generally present in a. Cyanobacteria b. Algae c. Bacteria d. Plants
Last Answer : Ans: A
Description : Assertion: Several organisms belonging to monera,fungi,algae and bryophytes produces gametes by mitosis. Reason: the plant body of the monera, fungi,a
Last Answer : Assertion: Several organisms belonging to monera,fungi,algae and bryophytes produces gametes by mitosis. ... , fungi,algae and bryophytes is haploid.
Description : Which of the following would appear as the pioneer organisms on bare rocks? (a) Mosses (b) Green algae (c) Lichens (d) Liverworts
Last Answer : (c) Lichens
Description : Why cyanobacteria are called blue green algae? -Biology
Last Answer : answer:
Description : Blue-green algae are included in the group – (1) Eubacteria (2) Cyanobacteria (3) Protozoa. (4) Fungi
Last Answer : (2) Cyanobacteria Explanation: Cyanobacteria, also known as blue algae, are single celled and belong to the family of Prokaryotes. That means, they do not have a cell nucleus. The ... life forms on Earth by stimulating biodiversity and leading to the nearextinction of oxygen-intolerant organisms.
Description : Name two non - symbiotic N2- fixing blue - green algae (cyanobacteria)?
Last Answer : Nostoc; Anabaena
Description : Cyanobacteria are also called blue green algae. Why?
Last Answer : Cyanobacteria contain a blue green pigment called phycocyanin in addition to chlorophyll. That is why they are also called blue green algae.
Description : The cyanobacteria are also referred to as (a) protists (b) golden algae (c) slime moulds (d) blue green algae
Last Answer : (d) blue green alga
Description : The cyanobacteria are also referred to as (1) Blue green algae (2) Protists (3) Golden algae (4) Slime moulds
Last Answer : (1) Blue green algae
Description : Blue-green algae are included in the group (1) Eubacteria (2) Cyanobacteria (3) Protozoa (4) Fungi
Last Answer : Cyanobacteria
Description : Replenishment of dissolved oxygen in water stream polluted with industrial waste occurs by (A) Natural aeration of water stream (B) Photosynthetic action of algae (C) Both (A) & (B) (D) Neither (A) nor (B)
Last Answer : (C) Both (A) & (B)
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)
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
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
Description : BGA (blue green algae) are included in which of the following groups? (a) Bryophytes (b) Prokaryotes (c) Protista (d) Fungi
Last Answer : (b) Prokaryotes
Description : The oxygen in the earth's atmosphere was probably produced by which of the following? w) volcanos x) photosynthetic organisms y) radioactive minerals z) meteors
Last Answer : ANSWER: X -- PHOTOSYNTHETIC ORGANISMS
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 : Is gas vacuole found in blue green photosynthetic bacteria a type of inclusion body ? -Biology
Description : The photosynthetic pigments used by the green sulfur bacteria and some archaeal species are a. Chlorophyll b. Bacteriochlorophyll c. Cytochrome d. Sulfate
Last Answer : b. Bacteriochlorophyll
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
Description : Enzymes are not found in (a) fungi (b) algae (c) virus (d) cyanobacteria.
Last Answer : (c) virus
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
Description : Which of the following groups of organisms reproduce faster? (1) Algae (2) Fungi (3) Bacteria (4) Protozoa
Last Answer : (3) Bacteria Explanation: Unlike in multicellular organisms, increases in cell size (cell growth and reproduction by cell division) are tightly linked in unicellular organisms. Bacteria grow to a ... divide extremely rapidly, and bacterial populations can double as quickly as every 9.8 minutes.
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.
Last Answer : Bacteria
Description : Of all micro-organisms, the most adaptable and versatile are (1) Viruses (2) Bacteria (3) Algae (4) Fungi
Last Answer : Viruses
Description : Photosynthetic pigments found in algae? -Biology
Description : Name the photosynthetic pigment of algae. -Biology
Description : A _____ is a mutualistic association between a fungus and a photosynthetic organism like a cyanobacterium or algae. a. Morel b. Lichen c. Rust d. Smut
Last Answer : b. Glomeromycota, sporangiospores
Description : Name the photosynthetic product in brown algae.
Last Answer : Ans: Mannitol
Description : Following are the two statements regarding the origin of life. (A) The earliest organisms that appeared on the earth were non-green and presumably anaerobes. (B) The first autotrophic organisms were the chemoautotrophs that ... ) is correct but (B) is false. (d) (B) is correct but (A) is false.
Last Answer : (a) Both (A) and (B) are correct.
Description : Similarities between the bryophytes and the algae? -Biology
Description : Difference between bryophytes and algae. -Biology
Description : Sporocarp is a reproductive structure of (a) Some algae (b) Some aquatic ferns (c) Angiosperms having spores (d) Bryophytes
Last Answer : Ans. ((b))
Description : Chlorophyll containing autotrophic thallophytes is called as – (1) Algae (2) Lichens (3) Fung (4) Bryophytes
Last Answer : (1) Algae Explanation: Algae are chlorophyll (green pigment) containing thallophytes. They prepare their own food and are thus autotrophic in their mode of nutrition.
Description : Which one of the following is an indicator of air pollution? (1) Cycas (2) Algae (3) Bryophytes (4) Lichens
Last Answer : (4) Lichens Explanation: Lichens are an indicator of air pollution.
Description : In which of the following would you place the plants having vascular tissue lacking seeds? (a) Pteridophytes (b) Gymnosperms (c) Algae (d) Bryophytes
Last Answer : (a) Pteridophytes
Description : Bryophytes can be separated from algae, because they (a) possess archegonia (b) contain chloroplast (c) are thalloid forms (d) have no conducting tissue
Last Answer : (a) possess archegonia
Description : Absorptive heterotrophic nutrition is exhibited by (a) algae (b) fungi (c) bryophytes (d) pteridophytes.
Last Answer : (b) fungi
Description : Secondary growth occurs in a. Trees b. Algae c. Fungi d. Bryophytes
Last Answer : a. Trees
Description : Chlorophyll containing autotrophic thallophytes is called as (1) Algae (2) Lichens (3) Fung (4) Bryophytes
Last Answer : Algae
Description : Which one of the following is an indicator of air pollution ? (1) Cycas (2) Algae (3) Bryophytes (4) Lichens
Last Answer : Lichens
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 : 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