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

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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(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 bacteria. Biodegradable waste can be used for composting or a resource for heat, electricity and fuel by means of incineration or anaerobic digestion.
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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

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

Last Answer : (1) bacteria Explanation: Biodegradable waste is a type of waste, typically originating from plant or animal sources, which may be degraded by other living organisms.

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

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

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.

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

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

Last Answer : Bacteria

Biogradable wastes can usually be converted into useful substances with the help of: (1) nuclear proteins (2) radio-active substances (3) viruses (4) bacteria

Description : Biogradable wastes can usually be converted into useful substances with the help of: (1) nuclear proteins (2) radio-active substances (3) viruses (4) bacteria

Last Answer : (4) bacteria Explanation: Bacteria can convert biodegradable wastes into useful substances.

How can nuclear wastes/ radioactive wastes disposed?

Description : How can nuclear wastes/ radioactive wastes disposed?

Last Answer : Radioactive matter is impregnated in glass slab and disposed in the deep sea in strong steel containers so that radiation cannot reach the level of biosphere.

Which of the following emits dangerous radioactive wastes forcing the government to eliminate its use? (a) Nuclear energy (b) Water energy (c) Geothermal energy (d) Solar energy

Description : Which of the following emits dangerous radioactive wastes forcing the government to eliminate its use? (a) Nuclear energy (b) Water energy (c) Geothermal energy (d) Solar energy

Last Answer : (a) Nuclear energy

Radioactive solid nuclear wastes are disposed off by (A) High temperature incineration (B) Pathological incineration (C) Pyrolysis(D) Underground burial in concrete containers

Description : Radioactive solid nuclear wastes are disposed off by (A) High temperature incineration (B) Pathological incineration (C) Pyrolysis (D) Underground burial in concrete containers

Last Answer : (D) Underground burial in concrete containers

What are the problems caused by the non-biodegradable wastes that we generate? -Biology

Description : What are the problems caused by the non-biodegradable wastes that we generate? -Biology

Last Answer : (i) Non-biodegradable wastes persist in the environment for a long time and cause greater harm to the various members of the ecosystem by causing biological magnification. (ii) Non-biodegradable ... the soil chemistry. in turn affects the fertility of soil and subsequently reduces the crop yield.

What are the problems caused by the non-biodegradable wastes that we generate ? -Biology

Description : What are the problems caused by the non-biodegradable wastes that we generate ? -Biology

Last Answer : The problems caused by the non-biodegradable wastes are : If the quantity of non-biodegradable matter increases in the nature then bio-magnification of poisonous chemicals in our body ... for new organisms. The increasing quantity of non-biodegradable waste will cause imbalance of ecosystem.

Examples of non biodegradable wastes. -Biology

Description : Examples of non biodegradable wastes. -Biology

Last Answer : answer:

Examples of non biodegradable wastes. -Biology

Description : Examples of non biodegradable wastes. -Biology

Last Answer : answer:

Which industry produces the most non-biodegradable wastes? -Do You Know?

Description : Which industry produces the most non-biodegradable wastes? -Do You Know?

Last Answer : answer:

Which industry produces the most non-biodegradable wastes? -Do You Know?

Description : Which industry produces the most non-biodegradable wastes? -Do You Know?

Last Answer : answer:

One of the best solutions to get rid of non-biodegradable wastes is - (1) Burning (2) Dumping (3) Burying (4) Recycling

Description : One of the best solutions to get rid of non-biodegradable wastes is - (1) Burning (2) Dumping (3) Burying (4) Recycling

Last Answer : (4) Recycling Explanation: The best way of getting rid of non-biodegradable waste such as plastic is by recycling them. Burning may release toxic gas into the atmosphere. Burying and dumping will hardly solve anything.

Which industry produces the most non-biodegradable wastes?

Description : Which industry produces the most non-biodegradable wastes?

Last Answer : Thermal power plants

Which of the following pairs regarding typical composition of hospital wastes is incorrect? (A) Plastic - 9-12% (B) Metals - 1-2% (C) Ceramic - 8-10% (D) Biodegradable - 35-40%

Description : Which of the following pairs regarding typical composition of hospital wastes is incorrect? (A) Plastic - 9-12% (B) Metals - 1-2% (C) Ceramic - 8-10% (D) Biodegradable - 35-40%

Last Answer : (A) Plastic - 9-12%

One of the best solutions to get rid of non-biodegradable wastes is (1) Burning (2) Dumping (3) Burying (4) Recycling

Description : One of the best solutions to get rid of non-biodegradable wastes is (1) Burning (2) Dumping (3) Burying (4) Recycling

Last Answer : Recycling

What are the methods of treatment & disposal of radioactive wastes? (A) Evaporation & chemical precipitation (B) Biological methods & adsorption in ion exchange materials (C) Fixing into a solid mass with cement and sinking deep in the sea (D) All (A), (B) & (C)

Description : What are the methods of treatment & disposal of radioactive wastes? (A) Evaporation & chemical precipitation (B) Biological methods & adsorption in ion exchange materials (C) Fixing into a solid mass with cement and sinking deep in the sea (D) All (A), (B) & (C)

Last Answer : (D) All (A), (B) & (C)

Which of the following radioactive wastes emits all α, β & γ rays and hence is the most hazardous of all radioactive emitters? (A) I-131 (B) Sr-90 (C) Au-198 (D) Ra-226

Description : Which of the following radioactive wastes emits all α, β & γ rays and hence is the most hazardous of all radioactive emitters? (A) I-131 (B) Sr-90 (C) Au-198 (D) Ra-226

Last Answer : (D) Ra-226

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

Last Answer : These inert substances simply persist in the environment. This means that these substances require land area for dumping. Excess of fertilizers, pesticides and other chemicals changes soil ... chemicals and heavy metal are easily absorbed by the organisms. This causes biological magnification.

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

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

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.

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

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

Last 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.

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

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

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.

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.

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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)

Description : 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) ... much more effectively if the sewage is chlorinated (D) All (A), (B) & (C)

Last Answer : (D) All (A), (B) & (C)

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

Description : 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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The biological decomposition of organic substances in wastes under controlled conditions known as - (1) composting (2) incineration (3) sanitary landfill (4) pyrolysis

Description : The biological decomposition of organic substances in wastes under controlled conditions known as - (1) composting (2) incineration (3) sanitary landfill (4) pyrolysis

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The biological decomposition of organic substances in wastes controlled conditions is called (A) Incineration (B) Biological oxidation(C) Composting(D) None of these

Description : The biological decomposition of organic substances in wastes controlled conditions is called (A) Incineration (B) Biological oxidation (C) Composting (D) None of these

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The biological decomposition of organic substances in wastes under controlled conditions known as (1) composting (2) incineration (3) sanitary landfill (4) pyrolysis

Description : The biological decomposition of organic substances in wastes under controlled conditions known as (1) composting (2) incineration (3) sanitary landfill (4) pyrolysis

Last Answer : composting

A high surface area to volume ratio in cells is important because it (a) Enables efficient transfer of wastes, nutrients and gases across the cell membrane (b) Prevents overproduction of cell proteins due to structural limitations (c) Allows many antigens on the surface for identification of self and non-self (d) Provides for better structural support to cope with external physical pressure

Description : A high surface area to volume ratio in cells is important because it (a) Enables efficient transfer of wastes, nutrients and gases across the cell membrane (b) Prevents overproduction of cell ... self and non-self (d) Provides for better structural support to cope with external physical pressure

Last Answer : Ans:(a)

Mushroom cultivation is not useful in (1) Biogas production (2) Biological control of crop diseases (3) Recycling of agricultural wastes (4) Preventing cancer

Description : Mushroom cultivation is not useful in (1) Biogas production (2) Biological control of crop diseases (3) Recycling of agricultural wastes (4) Preventing cancer

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Mushroom cultivation is not useful in – (1) Biogas production (2) Biological control of crop diseases (3) Recycling of agricultural wastes (4) Preventing cancer

Description : Mushroom cultivation is not useful in – (1) Biogas production (2) Biological control of crop diseases (3) Recycling of agricultural wastes (4) Preventing cancer

Last Answer : (2) Biological control of crop diseases

Mushroom cultivation is not useful in (1) Biogas production (2) Biological control of crop diseases (3) Recycling of agricultural wastes (4) Preventing cancer

Description : Mushroom cultivation is not useful in (1) Biogas production (2) Biological control of crop diseases (3) Recycling of agricultural wastes (4) Preventing cancer

Last Answer : Biological control of crop diseases

How might an enrichment culture be used to isolate bacteria capable of degrading pesticides and other hazardous wastes?

Description : How might an enrichment culture be used to isolate bacteria capable of degrading pesticides and other hazardous wastes?

Last Answer : Feel Free to Answer

What do you understand by the term ‘Dark Fermentation’? (1) It is a method to dispose nuclear wastes. (2) It is a method to produce methane from organic wastes. (3) It is a method to reduce COD in the atmosphere. (4) It is a method to produce Hydrogen as a fuel from waste water.

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Last Answer :  It is a method to produce Hydrogen as a fuel from waste water.

HMGCoA is directly converted into what substances?

Description : HMGCoA is directly converted into what substances?

Last Answer : Acetoacetate, acetyl CoA, mevalonate.

.In functional allelopathy a). Toxic substances are released as such from the plants b). A precursor is released and is converted into active substances by some microorganisms c). No release of any toxic substance d). release of nitrogen from nodule of legume takes place

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Wutomobile catalytic converters cause the carbon monoxide and hydrocarbons which result from incomplete combustion to be converted into what two substances?

Description : Wutomobile catalytic converters cause the carbon monoxide and hydrocarbons which result from incomplete combustion to be converted into what two substances?

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$ Homogeniser and ultracentriguge are the devices for separating various cell organelles. ! The radioactive substances used in biological studies are

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What do radioactive substances emit? (1) Radio waves (2) Infrared waves (3) Ultraviolet waves (4) α, β and γ rays

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Waste/polluted water discharged from electroplating, blast furnace and coal mining industries contain mainly __________ substances. (A) Radioactive (B) Organic (C) Inorganic (D) None of these

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Description : What is the major constituents of waste/polluted water discharged from textile, pulp & paper, tanning, distillery, dairy and meat packing industries? (A) Radioactive substances (B) Natural organic products (C) Inorganic pollutants (D) None of these

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A normal cell can be transformed into a cancer cell by all of the following except (A) Ionising radiation (B) Mutagenic chemicals (C) Oncogenic bacteria (D) Some viruses

Description : A normal cell can be transformed into a cancer cell by all of the following except (A) Ionising radiation (B) Mutagenic chemicals (C) Oncogenic bacteria (D) Some viruses

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Description : Glucose will be converted into fatty acids if the diet has excess of (A) Carbohydrates (B) Proteins (C) Fat (D) Vitamins

Last Answer : A

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Last Answer : Ans:(d)

In digestion, proteins are converted into (1) Fatty acids (2) Glucose (3) Amino acids (4) Maltose

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Last Answer : (b) Amino acid

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________is the business through which new ideas and innovations are given a sharp and are converted into useful products and services . A. Market Leadership. B. Challenge. C. Joy of Creation. D. Growth.

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