Assertion: Ecological pyramids cannot explain all vital functions of any ecosystem. Reason: Pyramids actually do not explain the role of organisms wor

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Assertion: Ecological pyramids cannot explain all vital functions of any ecosystem. Reason: Pyramids actually ... and Reason are false, then mark (4)

Related questions

Description : Which of the following ecological pyramids is the most representative of the functional characteristics of an ecosystem?

Last Answer : Which of the following ecological pyramids is the most representative of the functional characteristics ... energy D. All are equally representative

Description : Which one of the following is a characteristic feature of cropland ecosystem? (a) Absence of weeds (b) Ecological succession (c) Absence of soil organisms (d) Least genetic diversity

Last Answer : (d) Least genetic diversity

Description : Assertion:A network of food chain existing together in an ecosystem is known as food web. Reason: An animal like kite cannot be a part of a food web.

Last Answer : Assertion:A network of food chain existing together in an ecosystem is known as food web. Reason: An ... . D. If both assertion and reason are false.

Description : What are the types of ecological pyramids ?

Last Answer : There are three types of ecological pyramids: (1) number pyramid , ( 2) energy pyramid and (3) living pyramid.

Description : Given below is one of the types of ecological pyramids. This type represents

Last Answer : Given below is one of the types of ecological pyramids. This type represents A. pyramid of numbers in ... in a lake D. energy pyramid in a spring

Description : Which one of the following is not used for construction of ecological pyramids?

Last Answer : Which one of the following is not used for construction of ecological pyramids? A. Rate of energy ... weight C. Dry weight D. Number of individuals

Description : Ecological pyramids are also called

Last Answer : Ecological pyramids are also called A. Pyramid of number B. Eltonian pyramids C. Pyramids of energy D. Pyramids of biomass

Description : Which of the folllowing ecological pyramids can be both upright and inverted?

Last Answer : Which of the folllowing ecological pyramids can be both upright and inverted? A. Pyramid of number B. Pyramid ... of energy D. Both (1) and (2)

Description : Write a note on ecological pyramids and its types? 

Last Answer : Ecological pyramids and its types: Ecologists represent the relative amounts of energy in an ecosystem in an ecological pyramid. Types of Pyramids: There are three types of pyramids: A )-Pyramid of ... trophic level, because some energy is used by organisms at lower level and some is lost. 

Description : Which one of the following is not used for construction of ecological pyramids? (a) Fresh weight (b) Dry weight (c) Number of individuals (d) Rate of energy flow

Last Answer : (a) Fresh weight

Description : Which of the following ecological pyramids is generally inverted? (a) Pyramid of biomass in a sea (b) Pyramid of numbers in grassland (c) Pyramid of energy (d) Pyramid of biomass in a forest

Last Answer : (a) Pyramid of biomass in a sea

Description : Assertion: Anatomy deals with the structure and functions of the organisms. Reason: All the plants are autotrophic.

Last Answer : Assertion: Anatomy deals with the structure and functions of the organisms. Reason: All the plants are autotrophic ... D. If A is wrong and R is right

Description : Assertion: Ecological sanitation is a sustainable system for handling human excreta. Reason: It is a practical and hygienic method of using dry compos

Last Answer : Assertion: Ecological sanitation is a sustainable system for handling human excreta. Reason: It is a ... and Reason are false, then mark (4).

Description : Pyramids of biomass in pond ecosystem are

Last Answer : Pyramids of biomass in pond ecosystem are A. Inverted B. Upright C. Linear D. Irregular

Description : what Using the ecological pyramid, explain how animals we think of pests (e.g. mosquitoes) are important to an ecosystem.?

Last Answer : By now, you have learned that there is a lot of interaction between all the components of an ecosystem. However, did you know that we can represent this relationship between the energy ... a diagrammatic format. The predictable changes that are seen in organisms are shown by ecological succession.

Description : Which one of the following terms describes not only the physical space occupied by an organism, but also its functional role in the community of organisms? (1) Eco-niche (2) Ecosystem (3) Ecotone (4) Habitat

Last Answer : (2) Ecosystem Explanation: An ecosystem is a community of living organisms in conjunction with the nonliving components of their environthent, interacting as a system. The nature of the organisms-the ... individuals are capable of carrying out, and the relative efficiency with which they do so.

Description : Which one of the following terms describes not only the physical space occupied by an organism, but also its functional role in the community of organisms ? (1) Eco-niche (2) Ecosystem (3) Ecozone (4) Habitat

Last Answer : Ecosystem

Description : A,B and C can do a work in 20,45 and 120 days respectively.They started the work. A left 10 days before and B left 5 days before the completion of wor

Last Answer : A,B and C can do a work in 20,45 and 120 days respectively.They started the work. A left 10 ... work. In how many days is the total work completed ?

Description : A and B together can do a piece of work in 20 days, while B and C together can do the same work in 15 days. If A ,B and C together can finish this wor

Last Answer : A and B together can do a piece of work in 20 days, while B and C together can do the same ... number of days in which B alone can finish the work.

Description : Define (i) ecosystem or ecological system (ii) flora and fauna. -SST 10th

Last Answer : (i) Ecosystem or Ecological system : The complex interactions, interrelationships and interdependencies between living organisms form an ecosystem or ecological system. No living organism, plant, animal, micro- ... is a natural flora, and tiger, the national animal of India is example of fauna.

Description : What is the difference between environment, ecosystem and ecological community?

Last Answer : Environment refers to one's overall surrounding that facilitates growth and development. An environment becomes inhabitable when it has the resources that a species needs for it to persist. This brings ... of plants, animals and other organisms interacting at the same time within a common habitat.

Description : An association of individuals of different species living in the same habitat and having functional interactions is (a) ecosystem (b) population (c) ecological niche (d) biotic community.

Last Answer : (d) biotic community.

Description : Assertion: Agriculture and aquacultures are man-maintained ecosystems. Reason: All biotic and abiotic factors are managed by humans in these ecosystem

Last Answer : Assertion: Agriculture and aquacultures are man-maintained ecosystems. Reason: All biotic and abiotic factors ... and Reason are false, then mark (4)

Description : Which of the following type of energy is used by living organisms to perform vital life processes ? -Science

Last Answer : Chemical Energy. is the ans

Description : What is credit? Explain with an example, how credit plays a vital and positive role for development. -SST 10th

Last Answer : Credit refers to an agreement between a lender and a borrower where the lender gives money, goods or services to the borrower in the assurance of future payment. Example: 1. A shoe manufacturer takes ... is able to complete production on time with the help of loans. It gives him profit too.

Description : What is the first organisms that appear in an ecological community?

Last Answer : Need answer

Description : Man can maintain an ecological balance in the biosphere by- (1) deforestation (2) developing new breeds of cultivated plants and domesticated animals (3) using insecticides and pesticides (4) understanding the delicate balance in the relative number of organisms

Last Answer : (4) understanding the delicate balance in the relative number of organisms Explanation: Ecological balance is a state of dynamic equilibrium within a community of organisms in which genetic ... this balance, the delicate balance between the organisms constituting and ecosystem should be understood.

Description : Man can maintain an ecological balance in the biosphere by (1) deforestation (2) developing new breeds of cultivated plants and domesticated animals (3) using insecticides and pesticides (4) understanding the delicate balance in the relative number of organisms

Last Answer : understanding the delicate balance in the relative number of organisms

Description : Assertion :- The rate of appearance of new forms is liked to the life cycle or the life span of organisms. Reason :- The organism with short life span

Last Answer : Assertion :- The rate of appearance of new forms is liked to the life cycle or the life span of ... False. D. If both Assertion & Reason are false.

Description : Assertion (A) : In a food chain members of successive higher levels are fewer in number. Reason (R ): Number of organisms at any trophic level depends

Last Answer : Assertion (A) : In a food chain members of successive higher levels are fewer in number. Reason (R ... . D. If both assertion and reason are false.

Description : Assertion (A) : In a food chain members of successive higher levels are fewer in number. Reason (R ): Number of organisms at any trophic level depends

Last Answer : Assertion (A) : In a food chain members of successive higher levels are fewer in number. Reason (R ... . D. If both assertion and reason are false.

Description : Assertion: Paleobiology is that branch which deals with the study of fossil organisms. Reason: Paleobotany and paleozoology are the branches of paleob

Last Answer : Assertion: Paleobiology is that branch which deals with the study of fossil organisms. Reason: Paleobotany and ... D. If both As and R are wrong.

Description : Assertion: The term biology ws coined by Lamarck and Travernis. Reason: Morphology deals with the external form and structure of organisms.

Last Answer : Assertion: The term biology ws coined by Lamarck and Travernis. Reason: Morphology deals with the external form ... D. If both As and R are wrong.

Description : Assertion: That branch of science which deals with the study of living organisms is called Biology. Reason: Living organisms always have cellular orga

Last Answer : Assertion: That branch of science which deals with the study of living organisms is called Biology. Reason: ... wrong D. If both As and R are wrong.

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 : Assertion: Successional process starts only in those areas where no living organisms ever existed. Reason: These areas are not supported by physical e

Last Answer : Assertion: Successional process starts only in those areas where no living organisms ever existed. Reason: ... and Reason are false, then mark (4)

Description : Assertion (A): Conserving our soil resources is critical to human survival. Reason (R): Soil is home to many micro-organisms and contains minerals. Choose the correct code: (A) Both (A) and (R) are correct and (R) is the ... (C) (A) is true and (R) is false. (D) (A) is false and (R) is true.

Last Answer : (A) Both (A) and (R) are correct and (R) is the correct explanation of (A).

Description : The deficiencies of micronutrients not only affects growth of plants, but also vital functions such as photosynthetic and mitochondrial electron flow.

Last Answer : The deficiencies of micronutrients not only affects growth of plants, but also vital functions such as photosynthetic and ... Mn, Co, Ca D. Ca, K, Na

Description : The deficiencies of micronutrients, not only affect growth of plants but also vital functions such as photosynthetic and mitochondrial electron flow. Among the list given below, which group of three elements shall affect most, both ... , Mo (b) Ca, K, Na (c) Mn, Co, Ca (d) Cu, Mn, Fe

Last Answer : d) Cu, Mn, Fe

Description : The clinically used local anaesthetics have the following common features except: A. They are amphiphilic weak bases B. They are used for surgery in non-cooperative patients C. In their ... needed D. They are safer than general anaesthetics in patients with respiratory and cardiovascular disease

Last Answer : B. They are used for surgery in non-cooperative patients

Description : The following statement is true in relation to drug toxicity' and poisoning': A. The two terms are synonymous B. When a toxic effect requires specific treatment, it is called poisoning C. ... is called poisoning D. Toxicity is caused by drugs while poisoning is caused by other harmful chemicals

Last Answer : C. A toxic effect which endangers life by markedly affecting vital functions is called poisoning

Description : Select the route of administration which carries the highest risk of adversely affecting vital functions: A. Intra arterial injection B. Intrathecal injection C. Intravenous injection D. Intramuscular injection

Last Answer : C. Intravenous injection

Description : The following statement is true in relation to drug toxicity' and poisoning': A. The two terms are synonymous B. When a toxic effect requires specific treatment, it is called poisoning C. ... is called poisoning D. Toxicity is caused by drugs while poisoning is caused by other harmful chemicals

Last Answer : C. A toxic effect which endangers life by markedly affecting vital functions is called poisoning

Description : Select the route of administration which carries the highest risk of adversely affecting vital functions: A. Intra arterial injection B. Intrathecal injection C. Intravenous injection D. Intramuscular injection

Last Answer : C. Intravenous injection

Description : Assertion `:-` Pneumotaxic centre can moderate the functions of the respiratory rhythm centre. Reason `:-` Neural signal from pneumotoxic centre can r

Last Answer : Assertion `:-` Pneumotaxic centre can moderate the functions of the respiratory rhythm centre. Reason `:- ... D. If both Assertion & Reason are false.

Description : Assertion `:` The second largest digestive gland in our body is liver. Reason `:` Liver functions as an endocrine gland.

Last Answer : Assertion `:` The second largest digestive gland in our body is liver. Reason `:` Liver functions as ... . D. If both Assertion & Reason are false.

Description : Assertion:- Mitochondria, chloroplast and peroxisome are not involved in endomembrane system. Reason:- Their functions are not coordinated with consti

Last Answer : Assertion:- Mitochondria, chloroplast and peroxisome are not involved in endomembrane system. Reason:- ... If both Assertion & Reason are false.

Description : $ Night blindness is due to deficiency of vitamin "A" ! Actually the term vitamin means vital minerals.

Last Answer : $ Night blindness is due to deficiency of vitamin "A" ! Actually the term vitamin means vital minerals. A. ... is wrong D. If both As and R are wrong.

Description : Assertion: Habitat destruction is the main reason of loss of biodiversity. Reason: This actually causes the increase in edge area and reduction in cor

Last Answer : Assertion: Habitat destruction is the main reason of loss of biodiversity. Reason: This actually causes the ... and Reason are false, then mark (4).

Description : Growth of Service Sector in modern economies plays a vital role. Derive it's implications for such economies. -Geography

Last Answer : Services are an important constituent of modern economic development, which include retailing and sale of goods to the people, education, health and welfare, leisure, recreation and business services. Business services ... or to the people at large, it is a huge contributor to a country's export.