The natural environment refers to - (1) The living organisms and non-living objects or factors in an area undisturbed by human activity (2) The atmosphere in a forest (3) The plants and animals in a forest (4) The atmosphere of an area-a forest, lake or an ocean

The natural environment refers to - (1) The living organisms and non-living objects or factors in an area undisturbed by human activity (2) The atmosphere in a forest (3) The plants and animals in a forest (4) The atmosphere of an area-a forest, lake or an ocean
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(1) The living organisms and non-living objects or factors in an area undisturbed by human activity
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Biosphere refers to – (1) the area of the land inhabited by living organism (2) the part of ocean inhabited by plants and animals (3) the portion of the earth, including the oceans, the land, the soil and the atmosphere inhabited by living organisms (4) the atmosphere surrounding the living organisms

Description : Biosphere refers to - (1) the area of the land inhabited by living organism (2) the part of ocean inhabited by plants and animals (3) the portion of the earth, including the oceans ... land, the soil and the atmosphere inhabited by living organisms (4) the atmosphere surrounding the living organisms

Last Answer : (3) the portion of the earth, including the oceans, the land, the soil and the atmosphere inhabited by living organisms Explanation: The biosphere is the global ecological system integrating all living beings ... up of the parts of Earth where life exists. It is the worldwide sum of all ecosystems.

Biosphere refers to (1) the area of the land inhabited by living organism (2) the part of ocean inhabited by plants and animals (3) the portion of the earth, including the oceans, the land, the soil and the atmosphere inhabited by living organisms (4) the atmosphere surrounding the living organisms

Description : Biosphere refers to (1) the area of the land inhabited by living organism (2) the part of ocean inhabited by plants and animals (3) the portion of the earth, including the oceans, the land, the soil and the atmosphere inhabited by living organisms (4) the atmosphere surrounding the living organisms

Last Answer : the portion of the earth, including the oceans, the land, the soil and the atmosphere inhabited by living organisms

'Natural Vegetation' refers to: (a) a plant community that has been left undisturbed over a long time (b) plant species which live and grow together (c) a protected area created by using contour bunding (d) all of the above

Description : 'Natural Vegetation' refers to: (a) a plant community that has been left undisturbed over a long time (b) plant species which live and grow together (c) a protected area created by using contour bunding (d) all of the above

Last Answer : Ans: (a)

Which term is used to describe organisms which live on or in the bottom of an ocean or lake. Such organisms can be found anywhere from the shoreline to the greatest ocean depths? a) biota b) benthos c) nekton d) plankton

Description : Which term is used to describe organisms which live on or in the bottom of an ocean or lake. Such organisms can be found anywhere from the shoreline to the greatest ocean depths? a) biota b) benthos c) nekton d) plankton

Last Answer : ANSWER: B -- BENTHOS

What makes an ecosystem? (1) A living community and its environment (2) All the plants and animals of an area (3) Carnivores and herbivores of an area (4) Producers, consumers and decomposers in a particular locality

Description : What makes an ecosystem? (1) A living community and its environment (2) All the plants and animals of an area (3) Carnivores and herbivores of an area (4) Producers, consumers and decomposers in a particular locality

Last Answer : (1) A living community and its environment Explanation: An ecosystem is a community of living organisms (plants, animals and microbes) in conjunction with the nonliving components of their ... a system. These components are regarded as linked together through nutrient cycles and energy flows.

An ecosystem consists of – (1) producers, consumers and decomposers in a particular area. (2) all the plants and animals of an area. (3) a living community and its environment. (4) carnivorous and herbivorous of an area

Description : An ecosystem consists of – (1) producers, consumers and decomposers in a particular area. (2) all the plants and animals of an area. (3) a living community and its environment. (4) carnivorous and herbivorous of an area

Last Answer : (3) a living community and its environment. Explanation: An ecosystem consists of communities of many different species living together, and all the physical aspects of the particular habitat, such as like soil, water, and weather.

What makes an ecosystem ? (1) A living community and its environment (2) All the plants and animals of an area (3) Carnivores and herbivores of an area (4) Producers, consumers and decomposers in a particular locality

Description : What makes an ecosystem ? (1) A living community and its environment (2) All the plants and animals of an area (3) Carnivores and herbivores of an area (4) Producers, consumers and decomposers in a particular locality 

Last Answer : A living community and its environment

An ecosystem consists of : (1) producers, consumers and decomposers in a particular area. (2) all the plants and animals of an area. (3) a living community and its environment. (4) carnivorous and herbivorous of an area

Description : An ecosystem consists of : (1) producers, consumers and decomposers in a particular area. (2) all the plants and animals of an area. (3) a living community and its environment. (4) carnivorous and herbivorous of an area

Last Answer : a living community and its environment.

Pick up the correct statement from the following: (A) The property of a soil that enables it to become stiff in a relatively short time on standing is called thixotropy (B) The ratio of shear strength in natural state to the remoulded shear strength under undrained conditions is called degree of sensitivity (C) The difference between the undisturbed shear strength and remoulded shear strength is known remoulding loss (D) All the above

Description : Pick up the correct statement from the following: (A) The property of a soil that enables it to become stiff in a relatively short time on standing is called thixotropy (B) The ratio ... the undisturbed shear strength and remoulded shear strength is known remoulding loss (D) All the above

Last Answer : (D) All the above

The living organisms can be unexceptionally distinguished from the non-living things on the basis of their ability for (a) interaction with the environment and progressive evolution (b) reproduction (c) growth and movement (d) responsiveness to touch.

Description : The living organisms can be unexceptionally distinguished from the non-living things on the basis of their ability for (a) interaction with the environment and progressive evolution (b) reproduction (c) growth and movement (d) responsiveness to touch.

Last Answer : (d) responsiveness to touch.

Which of the following branches deals with the interactions of same species of living organisms with their non-living environment ? (1) Autecology (2) Synecology (3) Ecology (4) Palaeontology

Description : Which of the following branches deals with the interactions of same species of living organisms with their non-living environment ? (1) Autecology (2) Synecology (3) Ecology (4) Palaeontology

Last Answer : Ecology

When a particle and an antiparticle come in contact with each other, they (1) repell each other (2) annihilate each other (3) go undisturbed (4) spin about a common axis

Description : When a particle and an antiparticle come in contact with each other, they (1) repell each other (2) annihilate each other (3) go undisturbed (4) spin about a common axis

Last Answer : (2) annihilate each other

Saprophytes are the organisms which depend for food on – (1) living plants (2) living animals (3) dead and decaying material (4) inorganic chemical compounds

Description : Saprophytes are the organisms which depend for food on – (1) living plants (2) living animals (3) dead and decaying material (4) inorganic chemical compounds

Last Answer : (3) dead and decaying material Explanation: Saprophytes are the organisms which depend for food on dead and decaying material.

Saprophytes are the organisms which depend for food on (1) living plants (2) living animals (3) dead and decaying material (4) inorganic chemical compounds

Description : Saprophytes are the organisms which depend for food on (1) living plants (2) living animals (3) dead and decaying material (4) inorganic chemical compounds

Last Answer :  dead and decaying material

Which term refers to organisms that are used to monitor the health of the environment?

Description : Which term refers to organisms that are used to monitor the health of the environment?

Last Answer : Bioindicators

Why contractile vacuoles would be of little value to one cell organisms living in the ocean?

Description : Why contractile vacuoles would be of little value to one cell organisms living in the ocean?

Last Answer : I do get it,for the organism living in the hypertonic saltwater(ocean) the contractile vacuole is most not needed since thewater in the organism are already on thier way out!

Why ocean is known as the largest habitat of living organisms?

Description : Why ocean is known as the largest habitat of living organisms?

Last Answer : 1) Oceans have living organisms, and2) Oceans cover about 2/3 ofthe surface of planet Earth.

What are some living organisms in the Atlantic ocean?

Description : What are some living organisms in the Atlantic ocean?

Last Answer : What is the answer ?

Social Science deals with a) Objects b) Human beings c) Non living things d) None of the above

Description : Social Science deals with a) Objects b) Human beings c) Non living things d) None of the above

Last Answer : b) Human beings

Factors that determine the radiation resistance of an antenna A. Transmission line length and height of antenna B. The location of the antenna with respect to nearby objects C. It is a constant for all antennas since it is physical D. Sunspot activity and the time of day

Description : Factors that determine the radiation resistance of an antenna A. Transmission line length and height of antenna B. The location of the antenna with respect to nearby objects C. It is a constant for all antennas since it is physical D. Sunspot activity and the time of day

Last Answer : B. The location of the antenna with respect to nearby objects

Exobiology deals with the study of - (1) external characters of living organisms (2) life on the surface of the earth (3) life in the outer layers of atmosphere (4) life in other planets and space

Description : Exobiology deals with the study of - (1) external characters of living organisms (2) life on the surface of the earth (3) life in the outer layers of atmosphere (4) life in other planets and space

Last Answer : (4) life in other planets and space Explanation: Exobiology is the branch of science that deals with the possibility and likely nature of life on other planets or in space. The primary ... processes leading to the origin evolution and distribution of life on Earth or elsewhere in the universe.

Exobiology deals with the study of : (1) external characters of living organisms (2) life on the surface of the earth (3) life in the outer layers of atmosphere (4) life in other planets and space

Description : Exobiology deals with the study of : (1) external characters of living organisms (2) life on the surface of the earth (3) life in the outer layers of atmosphere (4) life in other planets and space

Last Answer : life in other planets and space

1. The pressure at the bottom of a liquid tank does not depend on which area? 2. ‘Chinaman’ refers to which game? 3. In human body, into which does the pancreas secretes its enzymes? 4. What does increase in carbon dioxide in atmosphere cause? 5. What is Apabhramsa?

Description : 1. The pressure at the bottom of a liquid tank does not depend on which area? 2. Chinaman' refers to which game? 3. In human body, into which does the pancreas secretes its enzymes? 4. ... is the frequency of tropical cyclones in the Bay of Bengal maximum? 20. By whom was Saka era founded?

Last Answer : Answer : 1. Area of the liquid surface 2. Cricket 3. Duodenum 4. Rise in earth temperature 5. A work of the Jains 6. English 7. Decreases 8. Rajkumari Amrit Kaur 9. North west 10. ... Australia 15. Kanishka 16. Carbon dioxide 17. Sir Edward Lutyens 18. Bengali 19. After summer 20. Kanishka

The factors which are most important in determining the impact of anthropogenic activities on environment are - (1) Population, affluence per person, land available per person (2) Population, affluence per person and the technology used for exploiting resources (3) Atmospheric conditions, population and forest cover (4) Population, forest cover and land available per person

Description : The factors which are most important in determining the impact of anthropogenic activities on environment are - (1) Population, affluence per person, land available per person (2) Population, ... conditions, population and forest cover (4) Population, forest cover and land available per person

Last Answer : (2) Population, affluence per person and the technology used for exploiting resources Explanation: The most important factors which determine the impact of anthropogenic activities on environment are: Population, affluence per person and the technology used for exploiting resources.

The factors which are most important in determining the impact of anthropogenic activities on environment are: (A) Population, forest cover and land available per person (B) Population, affluence per person, land available per person (C) Population, affluence per person and the technology used for exploiting resources (D) Atmospheric conditions, population and forest cover

Description : The factors which are most important in determining the impact of anthropogenic activities on environment are: (A) Population, forest cover and land available per person (B) Population, ... and the technology used for exploiting resources (D) Atmospheric conditions, population and forest cover

Last Answer : (C) Population, affluence per person and the technology used for exploiting resources

Niche is (a) all the biological factors in the organism’s environment (b) the physical space where an organism lives (c) the range of temperature that the organism needs to live (d) the functional role played by the organism where it lives.

Description : Niche is (a) all the biological factors in the organism’s environment (b) the physical space where an organism lives (c) the range of temperature that the organism needs to live (d) the functional role played by the organism where it lives.

Last Answer : (d) the functional role played by the organism where it lives.

The study of interaction between living organisms and environment is called

Description : The study of interaction between living organisms and environment is called

Last Answer : The study of interaction between living organisms and environment is called A. Ecosystem B. Phytology C. Phytogeography D. Ecology

Which of the following branches deals with the interactions of same species of living organisms with their nonliving environment? (1) Autecology (2) Synecology (3) Ecology (4) Palaeontology

Description : Which of the following branches deals with the interactions of same species of living organisms with their nonliving environment? (1) Autecology (2) Synecology (3) Ecology (4) Palaeontology

Last Answer : (3) Ecology Explanation: Ecology is the scientific study of the relationships that living organisms have with each other and with their natural environment. Ecosystems are composed of ... various niche construction activities, regulate the flux of energy and matter through an environment.

Treatment of the hazardous substances in the environment with the help of living organisms is called as a. Bioremediation b. Waste management c. Waste control d. Biodegradation

Description : Treatment of the hazardous substances in the environment with the help of living organisms is called as a. Bioremediation b. Waste management c. Waste control d. Biodegradation

Last Answer : a. Bioremediation

Which of the following refer to correct example(s) of organisms which have evolved due to changes in environment brought about by anthropogenic action? (1) Darwin’s Finches of Galapagos islands. (2) Herbicide resistant weeds. (3) Drug resistant eukaryotes. (4) Man-created breeds of domesticated animals like dogs. (a) only (1) (b) (1) and (3) (c) (2), (3) and (4) (d) only (4)

Description : Which of the following refer to correct example(s) of organisms which have evolved due to changes in environment brought about by anthropogenic action? (1) Darwin's Finches of Galapagos islands. (2) Herbicide resistant weeds. (3) Drug ... ) (b) (1) and (3) (c) (2), (3) and (4) (d) only (4)

Last Answer : (c) (2), (3) and (4)

The major role of minor elements inside living organisms is to act as (a) co-factors of enzymes (b) building blocks of important amino acids (c) constituent of hormones (d) binder of cell structure.

Description : The major role of minor elements inside living organisms is to act as (a) co-factors of enzymes (b) building blocks of important amino acids (c) constituent of hormones (d) binder of cell structure.

Last Answer : (a) co-factors of enzymes

Economic environment refers to all forces which have a _____. A. political. B. natural C. economic. D. social.

Description : Economic environment refers to all forces which have a _____. A. political. B. natural C. economic. D. social.

Last Answer : C. economic.

The ozone hole that has been detected lies in the atmosphere above – (1) Arctic Ocean (2) Antarctica (3) India (4) Alaska

Description : The ozone hole that has been detected lies in the atmosphere above – (1) Arctic Ocean (2) Antarctica (3) India (4) Alaska

Last Answer : (2) Antarctica Explanation: Ozone layer, that is, the layer of life-protecting ozone found at the top of the stratosphere. Ozone is formed in the earth's stratosphere and is critical to ... stratosphere and that some human-released chemicals are speeding up the breakdown of ozone in the atmosphere.

The ozone hole that has been detected lies in the atmosphere above (1) Arctic Ocean (2) Antarctica (3) India (4) Alaska

Description : The ozone hole that has been detected lies in the atmosphere above (1) Arctic Ocean (2) Antarctica (3) India (4) Alaska

Last Answer : Antarctica

Explain why particles of a colloidal solution do not settle down when left undisturbed, while in the case of a suspension they do? -Maths 9th

Description : Explain why particles of a colloidal solution do not settle down when left undisturbed, while in the case of a suspension they do? -Maths 9th

Last Answer : The colloidal particles are smaller and not heavy. They always remain in a state of zig-zag motion, called Brownian movement, which counters the force of gravity acting on colloidal particles and ... particles of suspension are larger, heavy and have less movement, thus settle down due to gravity.

Explain why particles of a colloidal solution do not settle down when left undisturbed, while in the case of a suspension they do? -Maths 9th

Description : Explain why particles of a colloidal solution do not settle down when left undisturbed, while in the case of a suspension they do? -Maths 9th

Last Answer : The colloidal particles are smaller and not heavy. They always remain in a state of zig-zag motion, called Brownian movement, which counters the force of gravity acting on colloidal particles and ... particles of suspension are larger, heavy and have less movement, thus settle down due to gravity.

When heavy rotating masses are connected by a shaft and equal and opposite torques are applied to these masses (rotors) A. The rotors vibrate torsionally in the same direction. B. The rotors vibrate torsionally in the opposite direction. C. There is one point on the axis of shaft which remains undisturbed by vibration. D. Both (B) and (C)

Description : When heavy rotating masses are connected by a shaft and equal and opposite torques are applied to these masses (rotors) A. The rotors vibrate torsionally in the same direction. B. The rotors vibrate torsionally ... on the axis of shaft which remains undisturbed by vibration. D. Both (B) and (C)

Last Answer : D. Both (B) and (C)

A piezometer opening measures the __________ fluid pressure. (A) Static (B) Undisturbed (C) Total (D) Dynamic

Description : A piezometer opening measures the __________ fluid pressure. (A) Static (B) Undisturbed (C) Total (D) Dynamic

Last Answer : (B) Undisturbed

The ratio of settlement at any time 't' to the final settlement, is known as (A) Co-efficient of consolidation (B) Degree of consolidation (C) Consolidation index (D) Consolidation of undisturbed soil

Description : The ratio of settlement at any time 't' to the final settlement, is known as (A) Co-efficient of consolidation (B) Degree of consolidation (C) Consolidation index (D) Consolidation of undisturbed soil

Last Answer : (B) Degree of consolidation

Pick up the incorrect definition from the following: (A) Ratio of the compressive strength of unconfined undisturbed soil to that of remoulded soil, is known as the sensitivity of the soil sample (B) The rotation of soil particles into stable state while remoulding, is known as the thiostropy of soil (C) The water content at which a soil flows, is known plastic limit of the soil (D) None of these

Description : Pick up the incorrect definition from the following: (A) Ratio of the compressive strength of unconfined undisturbed soil to that of remoulded soil, is known as the sensitivity of the soil sample (B) The ... content at which a soil flows, is known plastic limit of the soil (D) None of these

Last Answer : Answer: Option D

Sensitivity of a soil can be defined as (A) Percentage of volume change of soil under saturated condition (B) Ratio of compressive strength of unconfined undisturbed soil to that of soil in a remoulded state (C) Ratio of volume of voids to volume of solids (D) None of the above

Description : Sensitivity of a soil can be defined as (A) Percentage of volume change of soil under saturated condition (B) Ratio of compressive strength of unconfined undisturbed soil to that of soil in a remoulded state (C) Ratio of volume of voids to volume of solids (D) None of the above

Last Answer : Answer: Option B

08. The ratio of velocity of fluid in an undisturbed stream to the velocity of sound wave is known as Mach number. A) Yes B) No

Description : 08. The ratio of velocity of fluid in an undisturbed stream to the velocity of sound wave is known as Mach number. A) Yes B) No

Last Answer : A

Consider the following statements: 1. For a saturated soil, Skempton’s B-parameter is nearly equal to unity. 2. For an undisturbed sensitive clay, the stress-strain curve shows a peak. 3. Interlocking contributes significantly to the shearing strength in case of dense sand. Which of these statements are correct? (a) 1, 2 & 3 (b) 1 & 2 only (c) 2 & 3 only (d) 1 & 3 only

Description : Consider the following statements: 1. For a saturated soil, Skempton's B-parameter is nearly equal to unity. 2. For an undisturbed sensitive clay, the stress-strain curve shows a peak. 3. Interlocking contributes significantly to the shearing ... 2 & 3 (b) 1 & 2 only (c) 2 & 3 only (d) 1 & 3 only

Last Answer : (a) 1, 2 & 3

$ Ecologically, animals are consumers. ! Living organisms are classified as follows : (i) Producers (ii) Consumers (iii) Decomposers

Description : $ Ecologically, animals are consumers. ! Living organisms are classified as follows : (i) Producers (ii) Consumers (iii) Decomposers

Last Answer : $ Ecologically, animals are consumers. ! Living organisms are classified as follows : (i) Producers (ii) ... wrong D. If both As and R are wrong.

What is a Natural phenomenon where particles from solar activity interact with atoms in earths atmosphere to create bands of light?

Description : What is a Natural phenomenon where particles from solar activity interact with atoms in earths atmosphere to create bands of light?

Last Answer : color

What term, in natural sciences, is used to describe a relationship between two living organisms where one benefits and the other is not significantly harmed or helped? It derives from the Latin for ‘sharing a table’?

Description : What term, in natural sciences, is used to describe a relationship between two living organisms where one benefits and the other is not significantly harmed or helped? It derives from the Latin for ‘sharing a table’?

Last Answer : Commensalism.

Varieties of vegetables such as cabbage, broccoli and cauliflower have been produced from a wild cabbage species. Such process of producing new varieties of living organisms is called (1) Natural selection (2) Artificial selection (3) Speciation (4) Genetic drift.

Description : Varieties of vegetables such as cabbage, broccoli and cauliflower have been produced from a wild cabbage species. Such process of producing new varieties of living organisms is called (1) Natural selection (2) Artificial selection (3) Speciation (4) Genetic drift.

Last Answer : (2) Artificial selection

There are five concentric layers within the atmosphere which is differentiated on the basis of temperature. The atmospheric layer which lies close to the earth's surface in which human being along with other organisms live is called troposphere. The rate at which air temperature in the troposphere gradually decreases with height is about __________ °C/km. (A) 0.05 (B) 1 (C) 6.5 (D) 15

Description : There are five concentric layers within the atmosphere which is differentiated on the basis of temperature. The atmospheric layer which lies close to the earth's surface in which human being along with other organisms live is called ... is about __________ °C/km. (A) 0.05 (B) 1 (C) 6.5 (D) 15

Last Answer : (C) 6.5