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 : (4) Lichens Explanation: Lichens are an indicator of air pollution.
Description : Which one of the following is an indicator of air pollution ? (1) Cycas (2) Algae (3) Bryophytes (4) Lichens
Last Answer : Lichens
Description : Pteridophytes differ from bryophytes and thallophytes in having (a) vascular tissues (b) motile antherozoids (c) archegonia (d) alternation of generations
Last Answer : (a) vascular tissues
Description : Plants reproducing by spores such as mosses and ferns are grouped under the general term (a) cryptogams (b) bryophytes (c) sporophytes (d) thallophytes
Last Answer : (a) cryptogams
Description : Liverworts and mosses are characterized by their lack of vascular conducting tissue. These two groups of plants, liverwort and mosses, are known by which of the following terms: a) thallophytes (pron: THAL-o-fights) ... (pron: JIM-na-sperms) c) bryophytes (pron: BRIE-o-fights) d) none of the above
Last Answer : ANSWER: C -- BRYOPHYTES
Description : Flowerless plants are termed as: (1) Phanerogams (2) Bryophytes (3) Thallophytes (4) Cryptogams
Last Answer : Cryptogams
Description : What is VAM ? (A) Virus (B) Bacteria (C) Algae (D) Fung
Last Answer : (D) Fungi
Description : Are lichens heterotrophic or autotrophic?
Last Answer : some are autotrophic, some are heterotrophic some areautotrophic, some are heterotrophic some are autotrophic, some areheterotrophic some are autotrophic, some are heterotrophic
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
Description : Read the following five statements (A to E) and select the option with all correct statements. A. Mosses and lichens are the first organisms to colonise a bare rock. B. Selaginella is a homosporous pteridophyte. C. Coralloid roots in Cycas ... D and E (b) B, C and E (c) A, C and D (d) B, C and D
Last Answer : (a) A, D and E
Description : The autotrophic mode of nutrition requires (i) carbon dioxide and water (ii) chlorophyll (iii) sunlight (iv) all of the above -Biology
Last Answer : Autotrophic nutrition is the mode of nutrition in which green plants prepare their own food by the process of photosynthesis. It requires carbon dioxide, water, sunlight and chlorophyll. Hence, option (iv) is correct.
Description : $ Green Algae are considered to be the ancestors of land plants. ! Algae differ from Fungi due to autotrophic nutrition.
Last Answer : $ Green Algae are considered to be the ancestors of land plants. ! Algae differ from Fungi due to ... wrong D. If both As and R are wrong.
Description : Role of algae in lichens. -Biology
Last Answer : answer:
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.
Description : Which of the following are most suitable indicators of SO2 pollution in the environment? (a) Algae (b) Fungi (c) Lichens (d) Conifers
Last Answer : (c) Lichens
Description : Which of the following represent maximum number of species among global biodiversity? (a) Fungi (b) Mosses and Ferns (c) Algae (d) Lichens
Last Answer : (a) Fungi
Description : Which of the following would appear as the pioneer organisms on bare rocks? (a) Mosses (b) Green algae (c) Lichens (d) Liverworts
Description : Lichens indicate SO2 pollution because they (a) show association between algae and fungi (b) grow faster than others (c) are sensitive to SO2 (d) flourish in SO2 rich environment.
Last Answer : (c) are sensitive to SO2
Description : Most of the lichens consist of (a) green algae and ascomycetes (b) brown algae and higher plant (c) blue green algae and basidiomycetes (d) red algae and ascomycetes.
Last Answer : (a) green algae and ascomycetes
Description : Match column -I with column - II. Column-I Column-II A. Saprophyte (i) Symbiotic association of fungi with plant roots B. Parasite (ii) Decomposition of dead organic materials C. Lichens (iii) Living on living plants or animals D. ... (iii) (iv) (c) (iii) (ii) (i) (iv) (d) (ii) (i) (iii) (iv)
Last Answer : (a) (ii) (iii) (iv) (i)
Description : The pioneers of succession on terrestrial habitats are a. Higher plants b. Lichens c. Mosses d. Algae
Last Answer : b. Lichens
Description : 95. The highest number of species in the world is represented by (1) Lichens (2) Fungi (3) Mosses (4) Algae
Description : Phycology is the study of (1) Bacteria (2) Algae (3) Fungi (4) Lichens
Description : Similarities between the bryophytes and the algae? -Biology
Description : Difference between bryophytes and algae. -Biology
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 : Sporocarp is a reproductive structure of (a) Some algae (b) Some aquatic ferns (c) Angiosperms having spores (d) Bryophytes
Last Answer : Ans. ((b))
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 : 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 : 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 : 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 : Secondary growth occurs in a. Trees b. Algae c. Fungi d. Bryophytes
Last Answer : a. Trees
Description : Truffles, morels and the many yeasts which are basic to fermentation processes belong to this group of fungi. These fung are known as: a) Phycomycetes b) Ascomycetes c) Basidomycetes d) Plyocetes
Last Answer : ANSWER: B -- Ascomycetes
Description : Which one is a wrong statement? (a) Haploid endosperm is typical feature of Gymnosperms. (b) Brown algae have chlorophyll a and c and fucoxanthin. (c) Archegonia are found in Bryophyta, Pteridophyta and Gymnosperms. (d) Mucor has biflagellate zoospores
Last Answer : (d) Mucor has biflagellate zoospores
Description : A student observed an algae with chlorophyll a, b and phycoerythrin, it should belong to (a) Phaeophyta (b) Rhodophyta (c) Chlorophyta (d) Bacillariophyta.
Last Answer : b) Rhodophyta
Description : Name the branches of Botany that deal with chlorophyllous and non-chlorophyllous heterotrophic thallophytes.
Last Answer : Ans: Phycology deals with Chlorophyllous thallophytes and Mycology non-chlorophyllous thallophytes.
Description : Chlorophyll is porphyrin containing - (1) magnesium (2) iron (3) calcium (4) (4) tin
Last Answer : (1) magnesium Explanation: Chlorophyll are greenish pigment which contain a porphyrin ring. This is a stable ring-shaped molecule around which electrons are free to migrate. Magnesium is central atom in porphyrin structure of chlorophyll.
Description : Pick out the wrong statement. (A) Catalytic converter is fitted in automobiles to reduce carbon monoxide concentration in exhaust emissions (B) Inhalation of pollutant carbon monoxide results ... D) Decomposition of plants containing chlorophyll is a natural source of carbon monoxide in atmosphere
Last Answer : (C) Sulphur dioxide is the main pollutant emitted from the exhaust of petrol driven automobiles
Description : In chlorophyll-containing plants, what are TWO products of green plant photosynthesis?
Last Answer : ANSWER: OXYGEN AND GLUCOSE (accept energy, also)
Description : How Many home cleaning products contain phosphates. If wastewater containing excess phosphates drains into a pond the phosphates encourage the growth of algae. How might this change in a pond's ecosys?
Last Answer : other water plants might have less light to help them grow, some algae produce toxins, so the water could be poisoned, fish, like carp, that eat algae will have more food.
Description : In the ecological study of food interactions how are the autotrophic beings called ?
Last Answer : In Ecology, autotrophic beings are called producers because they synthesize the organic material consumed by the other living beings of an ecosystem. An ecosystem cannot exist without producers.
Description : What are the necessary conditions for autotrophic nutrition and what are its byproducts? -Biology
Last Answer : Carbon and energy requirements of the autotrophic organism are fulfilled by photosynthesis. It is the process by which autotrophs take in substances from the outside and convert them into stored forms of energy ... serves as the internal energy reserve to be used as and when required by the plant.
Description : What are the necessary conditions (or autotrophic nutrition and what are its by-products ? -Biology
Last Answer : Necessary conditions for autotrophic nutrition : (i) Presence of chlorophyll in the living cells. (if) Provision of supply of water to green plants or cells of the plant. (iii) Sufficient sunlight. (iv) Sufficient supply of carbon dioxide. By-product of auto tropic nutrition is oxygen.
Description : What are the differences between autotrophic nutrition and heterotrophic nutrition ? -Biology
Last Answer : Autotrophic nutrition Heterotrophic nutrition (i) In this mode of nutrition an organism makes or synthesizes its own food. (i) In this mode of nutrition an organism cannot make or synthesize its own ... of nutrition. (iii) All the animals, most bacteria and fungi undergo this mode of nutrition.
Description : State any one difference between autotrophic and heterotrophic modes of nutrition. -Biology
Last Answer : In autotrophic nutrition, organisms obtain their food from inorganic substances. In heterotrophic nutrition, organisms derive their food from organic substances.
Description : (a) Leaves of a healthy potted plant were coated with vaseline to block the stomata. Will this plant remain healthy for long? State three reasons for your answer. (b) State any two differences between autotrophic nutrition and heterotrophic nutrition. -Biology
Last Answer : (a) No, this plant will not remain healthy for long. The plant will begin to die because (i) Gaseous exchange will not take place. (ii) No absorption of C02, hence no photosynthesis. (iii) Transpiration will not occur; hence no transportation of water.