Give any two ways in which biodegradable substances would affect the environment. -Biology

Give any two ways in which biodegradable substances would affect the environment. -Biology
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1 Answer

Answer :

(i) Biodegradable substances are decomposed by the action of microorganisms and decomposed materials are recycled through geo-chemical cycle. (ii) These substances keep the environment clean.
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Give any two ways in which non-biodegradable substances would affect the environment. -Biology

Description : Give any two ways in which non-biodegradable substances would affect the environment. -Biology

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Give two ways in which non-biodegradable substances would affect the environment.

Description : Give two ways in which non-biodegradable substances would affect the environment.

Last Answer : a) Some of the non-biodegradable wastes like D.D.T enter the food chain and cause biomagnification.

Give any two ways in which non-biodegradable substances would effect the environment. -Biology

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Last Answer : (i) They cause air, water and soil pollution. (ii) They may cause bio-magnification in the food chain and end up in humans.

Why are some substances biodegradable and some non-biodegradable ? -Biology

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Last Answer : The microorganism like bacteria and other decomposer organisms (called saprophytes) present in our environment are specific in their action. They break down the materials or products made from ... in their action that some waste materials are biodegradable, whereas others are non-biodegradable.

Biodegradable wastes can usually be converted into useful substances with the help of - (1) Bacteria (2) Nuclear proteins (3) Radioactive substances (4) Viruses

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Last Answer : (1) Bacteria Explanation: Biodegradable waste includes any organic matter in waste which can be broken down into carbon dioxide, water, methane or simple organic molecules by micro-organisms such as ... or a resource for heat, electricity and fuel by means of incineration or anaerobic digestion.

Biodegradable wastes can usually be converted into useful substances with the help of - (1) bacteria (2) nuclear proteins (3) radioactive substances (4) viruses

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Biodegradable wastes can usually be converted into useful substances with the help of - (1) Bacteria (2) Nuclear proteins (3) Radioactive substances (4) Viruses

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Last Answer : (1) Bacteria Explanation: Bacteria are the most abundant organisms which play important role in the decomposition of organic matter. Majority of bacteria involved in decomposition of organic ... and autotrophs are least in proportion which are not directly involved in organic matter decomposition.

Aerobic biological oxidation ponds used for the purification of polluted water (A) Destroys/removes pathogen from the sewage (B) Is not very effective for non-biodegradable substances (e.g. ABS) containing effluents (C) Destroys/removes pathogen much more effectively if the sewage is chlorinated (D) All (A), (B) & (C)

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Presence of non-biodegradable substances, like alkyl benzene sulphonate (ABS) from the detergents in polluted water stream causes (A) Fire hazards (B) Explosion hazards (C) Persistent foam (D) Depletion of dissolved oxygen

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Biodegradable wastes can usually be converted into useful substances with the help of (1) Bacteria (2) Nuclear proteins (3) Radioactive substances (4) Viruses

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Last Answer : Bacteria

If all the waste we generate is biodegradable, will this have no impact on the environment? -Biology

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Last Answer : Biodegradable waste will be recycled easily by the decomposers such as bacteria and fungi. It will have only this bad impact on our environment that, many Of the gases released during decomposition process may result in global warming.

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Give reason: Lead vapours or D.D.T is a non-biodegradable pollutant.

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Last Answer : Lead vapours or D.D.T cannot be converted into harmless substance by any known biological activity hence they are referred to as non-biodegradable pollutants.

What are non-biodegradable pollutants? Give example

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Last Answer : The pollutants which cannot be converted into harmless constituents are called non- degradable pollutants. Ex: Lead vapours released from diesel combustion, can accumulate in the lungs. Insecticide like D.D.T from agricultural fields can accumulate in a pond.

Give reason: Sulphur dioxide or sewage is a biodegradable pollutant.

Description : Give reason: Sulphur dioxide or sewage is a biodegradable pollutant.

Last Answer : Sulphur dioxide gets diluted with rainwater and becomes harmless. Sewage is made harmless by biological activity. Hence it is a biodegradable pollutant.

What are biodegradable pollutants or temporary pollutants? Give examples.

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In animals that do not present the circulatory system the transport of substances occurs by cell to cell diffusion. The blood is a fundamental means of substance transport for larger animals since in these animals there are tissues distant from each other and from the environment thus making diffusion impossible.

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Examples of biodegradable pollutants? -Biology

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Examples of non biodegradable wastes. -Biology

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Description : What are biodegradable pollutants? -Biology

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Description : What are non biodegradable pollutants? -Biology

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Description : Examples of biodegradable pollutants? -Biology

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Examples of non biodegradable wastes. -Biology

Description : Examples of non biodegradable wastes. -Biology

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In what two ways can substances dissolved in water eventually form minerals?

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Why do people oppose the construction of Tehri Dam on the river Ganga and Sardar sarover project on the river Narmada. (Or) Mention three disadvantage of producing hydroelectricity by constructing the dams.(Or) List any three ways in which construction of dams for production of electricity adversely affects the environment of that place. -Biology

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Where can I find biodegradable car wash soap?

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Description : What is Biodegradable ?

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Description : What is a biodegradable substance ?

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Assertion: Amount of biodegradable organic matter present in water is measured by BOD of water Reason: During biodegradation of organic compounds. Oxy

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Description : Which one is non-biodegradable

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