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

Assertion: Successional process starts only in those areas where no living organisms ever existed. Reason: These areas are not supported by physical e
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Assertion: Successional process starts only in those areas where no living organisms ever existed. Reason: ... and Reason are false, then mark (4)
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The terminal stage of a successional process is called

Description : The terminal stage of a successional process is called

Last Answer : The terminal stage of a successional process is called A. Final stage B. Climax stage C. Seral stage D. Pioneer stage

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

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.

Assertion : The mammary glands of the female starts producing milk just after the process of parturition . Reason : High level of oxytocin induces mil

Description : Assertion : The mammary glands of the female starts producing milk just after the process of parturition . Reason : High level of oxytocin induces mil

Last Answer : Assertion : The mammary glands of the female starts producing milk just after the process of parturition ... D. If both Assertion & Reason are False.

Assertion : Menarche starts around the age of puberty . Reason : After birth oocyte is matured and developed to form Graafian follicle .

Description : Assertion : Menarche starts around the age of puberty . Reason : After birth oocyte is matured and developed to form Graafian follicle .

Last Answer : Assertion : Menarche starts around the age of puberty . Reason : After birth oocyte is matured and ... D. If both Assertion & Reason are False.

Assertion :- The graphical representation of physical adsorption with temp is Reason :- This is weak adsorption & adsorption is exothermic process.

Description : Assertion :- The graphical representation of physical adsorption with temp is Reason :- This is weak adsorption & adsorption is exothermic process.

Last Answer : Assertion :- The graphical representation of physical adsorption with temp is Reason :- This is weak ... D. If both Assertion & Reason are False.

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

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.

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

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.

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

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.

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

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

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

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.

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

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.

Assertion: Several organisms belonging to monera,fungi,algae and bryophytes produces gametes by mitosis. Reason: the plant body of the monera, fungi,a

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.

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

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

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

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 correct explanation of (A). (B) Both (A) and (R) are correct but (R) is not the correct explanation of (A). (C) (A) is true and (R) is false. (D) (A) is false and (R) is true.

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).

Assertion: Tropical regions are more diversity-rich in comparison to temperate areas. Reason: Availability of more solar energy directly affects the p

Description : Assertion: Tropical regions are more diversity-rich in comparison to temperate areas. Reason: Availability of more solar energy directly affects the p

Last Answer : Assertion: Tropical regions are more diversity-rich in comparison to temperate areas. Reason: Availability of ... Reason are false, then mark (4).

What are some reasons that scientists think living things may have existed on Mars approximately 4.5 billion years ago?

Description : What are some reasons that scientists think living things may have existed on Mars approximately 4.5 billion years ago?

Last Answer : Scientists might think this because their coooooolllllllduuudddeeessss

$ Viruses are at a border line position between living and non living. ! Phytoplanktons are those living organisms which are aquatic.

Description : $ Viruses are at a border line position between living and non living. ! Phytoplanktons are those living organisms which are aquatic.

Last Answer : $ Viruses are at a border line position between living and non living. ! Phytoplanktons are those living ... wrong D. If both As and R are wrong.

Aetheists, when you say God does not exist, does it mean Gods as interpreted by religions or that the reason the first matter existed could never be construed as anything Godlike?

Description : Aetheists, when you say God does not exist, does it mean Gods as interpreted by religions or that the reason the first matter existed could never be construed as anything Godlike?

Last Answer : answer:I can't believe you just asked this now. For some reason, I feel obligated to answer. For me, atheism means that I lack a belief in a god(s). That's it. Now, you ask if it means ... t believe anything unless there is sufficient evidence or good reason to. I have neither in the case of god(s).

Assertion :- Big-Bang theory lalks of a singular huge explosion unimaginable in physical terms to explain the origin of universe. Reason :- Due to big

Description : Assertion :- Big-Bang theory lalks of a singular huge explosion unimaginable in physical terms to explain the origin of universe. Reason :- Due to big

Last Answer : Assertion :- Big-Bang theory lalks of a singular huge explosion unimaginable in physical terms to explain ... D. If both Assertion & Reason are false.

Assertion(A): Physical adsorption of molecules on the surface requires activation energy. Reason(R): Because the bonds of adsorbed molecules are broke

Description : Assertion(A): Physical adsorption of molecules on the surface requires activation energy. Reason(R): Because the bonds of adsorbed molecules are broke

Last Answer : Assertion(A): Physical adsorption of molecules on the surface requires activation energy. Reason(R): ... D. If both Assertion & Reason are False.

Assertion : Comparative biochemistry provides a strong eviednce in favour of common ancestory of living beings. Reason : Genetic code is universal.

Description : Assertion : Comparative biochemistry provides a strong eviednce in favour of common ancestory of living beings. Reason : Genetic code is universal.

Last Answer : Assertion : Comparative biochemistry provides a strong eviednce in favour of common ancestory of living ... both the assertion and reason are false.

Assertion : Somatic embros can be induced from any cell in plant tissue culture. Reason : Any living plant cell is capable of differentiating into som

Description : Assertion : Somatic embros can be induced from any cell in plant tissue culture. Reason : Any living plant cell is capable of differentiating into som

Last Answer : Assertion : Somatic embros can be induced from any cell in plant tissue culture. Reason : Any ... false D. If both assertion and reason are false

Assertion :- In a mixed population those that can better-adapt, survive and increase in population size. Reason :- Better adaptability made the animal

Description : Assertion :- In a mixed population those that can better-adapt, survive and increase in population size. Reason :- Better adaptability made the animal

Last Answer : Assertion :- In a mixed population those that can better-adapt, survive and increase in population size. ... D. If both Assertion & Reason are false.

Assertion A: Depth and width required at the entrance to a harbour are more than those required in the channel. Reason R: The entrance to a harbour is usually more exposed to waves as compared to the harbour itself. Select your answer based on the coding system given below: (A) Both A and R is true and R is the correct explanation of A (B) Both A and R is true but R is not the correct explanation of A (C) A is true but R is false (D) A is false but R is true

Description : Assertion A: Depth and width required at the entrance to a harbour are more than those required in the channel. Reason R: The entrance to a harbour is usually more exposed to waves as compared to the harbour itself. ... explanation of A (C) A is true but R is false (D) A is false but R is true

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

Could a mass extinction event leave no trace humans ever existed?

Description : Could a mass extinction event leave no trace humans ever existed?

Last Answer : I doubt it. We bury our dead, so the bones would be left behind. Since we preserve some bodies there might be fairly intact corpses, that I am not sure of, I don't know about ... fact, some bones might be barely covered when discovered from those who died from the consequence of the meteor.

Pick up the correct statement from the following: A. The maximum rate of storm runoff is called peak drainage discharge B. Rational method of estimating peak run off, may be used precisely for areas less than 50 hectares C. The period after which the entire area starts contributing to the runoff, is called the time of concentration D. All the above

Description : Pick up the correct statement from the following: A. The maximum rate of storm runoff is called peak drainage discharge B. Rational method of estimating peak run off, may be used precisely for ... entire area starts contributing to the runoff, is called the time of concentration D. All the above

Last Answer : ANS: D

Dental caries of the proximal surfaces usually starts at, A. Somewhere between the ridge and the contact area B. Just gingival to contact areas C. Just about the gingival margin

Description : Dental caries of the proximal surfaces usually starts at, A. Somewhere between the ridge and the contact area B. Just gingival to contact areas C. Just about the gingival margin

Last Answer : B. Just gingival to contact areas

$ The process of synthesis of complex organic molecules from simpler ones, by the living organisms is called Anabolisms. ! Anabolism is always useful

Description : $ The process of synthesis of complex organic molecules from simpler ones, by the living organisms is called Anabolisms. ! Anabolism is always useful

Last Answer : $ The process of synthesis of complex organic molecules from simpler ones, by the living organisms is called ... wrong D. If both As and R are wrong.

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

Template/lock and key theory of enzyme action is supported by (A) Enzymes speed up reaction (B) Enzymes occur in living beings and speed up certain reactions (C) Enzymes determine the direction of reaction (D) Compounds similar to substrate inhibit enzyme activity

Description : Template/lock and key theory of enzyme action is supported by (A) Enzymes speed up reaction (B) Enzymes occur in living beings and speed up certain reactions (C) Enzymes determine the direction of reaction (D) Compounds similar to substrate inhibit enzyme activity

Last Answer : Answer : D

I've existed for Trillions of years, but only been around for 30 days. What am I? -Riddles

Description : I've existed for Trillions of years, but only been around for 30 days. What am I? -Riddles

Last Answer : The moon. You get a full moon every 30 days.

Which of the following conclusions is logically valid based on statement given below? Statement: Most of the Indian states existed before independence. Conclusions: (I) Some Indian States existed before independence. (II) All Indian States did not exist before independence. (A) only (I) is implied (B) only (II) is implied (C) Both (I) and (II) are implied (D) Neither (I) nor (II) is implied

Description : Which of the following conclusions is logically valid based on statement given below? Statement: Most of the Indian states existed before independence. Conclusions: (I) Some Indian States existed before independence. (II) ... ) Both (I) and (II) are implied (D) Neither (I) nor (II) is implied

Last Answer : (B) only (II) is implied

Assertion :- In an isolated system the entropy increases due to spontanous process. Reason :- The processes in an isolated system are adiabatic.

Description : Assertion :- In an isolated system the entropy increases due to spontanous process. Reason :- The processes in an isolated system are adiabatic.

Last Answer : Assertion :- In an isolated system the entropy increases due to spontanous process. Reason :- The ... D. If both Assertion & Reason are false.

Assertion :- `Q_("Surr")` is zero for adiabatic process Reason :- Final state of the system remains unchanged in adiabatic process.

Description : Assertion :- `Q_("Surr")` is zero for adiabatic process Reason :- Final state of the system remains unchanged in adiabatic process.

Last Answer : Assertion :- `Q_("Surr")` is zero for adiabatic process Reason :- Final state of the system ... False. D. If both Assertion & Reason are false.

Assertion : During embrynic stage testes descend down and at the time of birth , it comes into scrotum . Reason : Spermatogenesis process requires les

Description : Assertion : During embrynic stage testes descend down and at the time of birth , it comes into scrotum . Reason : Spermatogenesis process requires les

Last Answer : Assertion : During embrynic stage testes descend down and at the time of birth , it comes into scrotum ... . D. If both Assertion & Reason are False.

Assertion. Death is regarded as the most regulatory process on earth. Reason. It avoids over-crowding caused by continuous reproduction

Description : Assertion. Death is regarded as the most regulatory process on earth. Reason. It avoids over-crowding caused by continuous reproduction

Last Answer : Assertion. Death is regarded as the most regulatory process on earth. Reason. It avoids over-crowding ... If both the assertion and reason are false.

Assertion : Crossing over take place during pachytene stage. Reason : It is a process of interchange of chromatid material between non sister chromati

Description : Assertion : Crossing over take place during pachytene stage. Reason : It is a process of interchange of chromatid material between non sister chromati

Last Answer : Assertion : Crossing over take place during pachytene stage. Reason : It is a process of interchange of ... D. If both Assertion & Reason are false.

Assertion: The process of extinction is random. Reason: Any species not adapted to environmental con- ditions cannot survive.

Description : Assertion: The process of extinction is random. Reason: Any species not adapted to environmental con- ditions cannot survive.

Last Answer : Assertion: The process of extinction is random. Reason: Any species not adapted to environmental con- ditions ... and Reason are false, then mark (4).

Assertion(A): In the fermentation process of molasses, along with yeast `(NH_(4))_(2)SO_(4), (NH_(4))_(3) PO_(4)` is added Reason (R): `(NH_(4))_(3)PO

Description : Assertion(A): In the fermentation process of molasses, along with yeast `(NH_(4))_(2)SO_(4), (NH_(4))_(3) PO_(4)` is added Reason (R): `(NH_(4))_(3)PO

Last Answer : Assertion(A): In the fermentation process of molasses, along with yeast `(NH_(4))_(2)SO_(4), (NH_(4))_ ... but R is false D. A is false but R is true

Assertion : Reduction of ZnO with carbon is done at `1100^(@)C`. Reason : At this temperature, `DeltaG^(@)` is negative and the process is spontaneous

Description : Assertion : Reduction of ZnO with carbon is done at `1100^(@)C`. Reason : At this temperature, `DeltaG^(@)` is negative and the process is spontaneous

Last Answer : Assertion : Reduction of ZnO with carbon is done at `1100^(@)C`. Reason : At this temperature, ... ^(@)` is negative and the process is spontaneous.

Assertion : Froth flatation process is used to concentrate sulphide ores. Reason : There is a difference in the nature of wettibility of different ore

Description : Assertion : Froth flatation process is used to concentrate sulphide ores. Reason : There is a difference in the nature of wettibility of different ore

Last Answer : Assertion : Froth flatation process is used to concentrate sulphide ores. Reason : There is a difference ... -1 is false but Statement -2 is true

Assertion : Nickel can be purified by Mond process. Reason : `Ni(CO)_(4)` is a volatile compound which deomposed at `460K` to give pure `Ni`.

Description : Assertion : Nickel can be purified by Mond process. Reason : `Ni(CO)_(4)` is a volatile compound which deomposed at `460K` to give pure `Ni`.

Last Answer : Assertion : Nickel can be purified by Mond process. Reason : `Ni(CO)_(4)` is a volatile compound which deomposed at `460K` to give pure `Ni`.

Assertion(A): The process of development should not ignore environmental issues.Reason(R) : Environment- we have not inherited from our forefathers but we have borrowed it from our children. a) Both A and R are true and R is the correct explanation of A. b) Both A and R are true and R is the not correct explanation of A. c) A is correct but R is wrong. d) A is wrong but R is correct.

Description : Assertion(A): The process of development should not ignore environmental issues.Reason(R) : Environment- we have not inherited from our forefathers but we have borrowed it from our children. a) Both A and R are true and R ... of A. c) A is correct but R is wrong. d) A is wrong but R is correct.

Last Answer : b) Both A and R are true and R is the not correct explanation of A.

Assertion (A). Private location process leads to change in management with change in ownership. Reason (R). Change in management is not a necessary condition for the process of privatisation. A. Both (A) and (R) are correct. B. (A) is correct but (R) is incorrect. C. (A) is incorrect but (R) is correct. D. Both (A) and (R) are incorrect.

Description : Assertion (A). Private location process leads to change in management with change in ownership. Reason (R). Change in management is not a necessary condition for the process of privatisation. A. Both (A) and (R) are ... C. (A) is incorrect but (R) is correct. D. Both (A) and (R) are incorrect.

Last Answer : B. (A) is correct but (R) is incorrect.

Assertion (A): Learning is a life long process. Reason (R): Learning to be useful must be linked with life processes. Choose the correct Answer from the following code (A) Both (A) and (R) are true and (R) is the correct explanation of (A). (B) Both (A) and (R) are true, but (R) is not the correct explanation of (A). (C) (A) is true, but (R) is false (D) (A) is false, but (R) is true.

Description : Assertion (A): Learning is a life long process. Reason (R): Learning to be useful must be linked with life processes. Choose the correct Answer from the following code (A) Both (A) and (R) are true and (R) is the correct ... (C) (A) is true, but (R) is false (D) (A) is false, but (R) is true.

Last Answer : Answer: B

Select the correct combination of the statements (i-iv) regarding the characteristics of certain organisms. (i) Methanogens are archaebacteria which produce methane in marshy areas. (ii) Nostoc is a filamentous blue-green alga which fixes atmospheric nitrogen. (iii)Chemosynthetic autotrophic bacteria synthesize cellulose from glucose. (iv) Mycoplasma lack a cell wall and can survive without oxygenThe correct statements are (a) (ii) and (iii) (b) (i),(ii) and (iii) (c) (ii), (iii) and (iv) (d) (i), (ii) and (iv)..

Description : Select the correct combination of the statements (i-iv) regarding the characteristics of certain organisms. (i) Methanogens are archaebacteria which produce methane in marshy areas. (ii) Nostoc is a filamentous blue-green alga which fixes ... iii) (c) (ii), (iii) and (iv) (d) (i), (ii) and (iv).

Last Answer : (d) (i), (ii) and (iv)

Whom did Mandela miss the opportunity to thank? (a) his family (b) white rulers(c) African patriots who no longer existed (d) Military

Description : Whom did Mandela miss the opportunity to thank? (a) his family (b) white rulers(c) African patriots who no longer existed (d) Military

Last Answer : (c) African patriots who no longer existed

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

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.

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

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