Hogo de Vries gave his mutation theory on organic evolution while working on `:`

Hogo de Vries gave his mutation theory on organic evolution while working on `:`
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Hogo de Vries gave his mutation theory on organic evolution while working on `:` A. ... Drosophila melanogaster C. Pisum stivum D. Althena rosea
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Mutation theory to explain mechanism of evolution was given by Hugo de Vries and he experimented on the :

Description : Mutation theory to explain mechanism of evolution was given by Hugo de Vries and he experimented on the :

Last Answer : Mutation theory to explain mechanism of evolution was given by Hugo de Vries and he experimented on ... Fruit fly C. China rose D. Evening primerose

Match the column and find correct combination: `{:(,"Column I",,"Column II"),((a),"Drawub",p,"Mutation theory"),((b),"De Vries",q,"Protobiosis"),((c),

Description : Match the column and find correct combination: `{:(,"Column I",,"Column II"),((a),"Drawub",p,"Mutation theory"),((b),"De Vries",q,"Protobiosis"),((c),

Last Answer : Match the column and find correct combination: `{:(,"Column I",,"Column II"),((a),"Drawub",p,"Mutation theory"),((b), ... q, d=p D. a=r, b=t, c=p, d=q

Who proposed mutation theory a. J.B. Lamarck b. Charles Darwin c. Hugo de vries d. Mendel

Description : Who proposed mutation theory a. J.B. Lamarck b. Charles Darwin c. Hugo de vries d. Mendel

Last Answer : c. Hugo de vries

Assertion :- According to Hugo de Vries , it is mutation which causes speciation and hence called it saltation. Reason :- Mutations are random and dir

Description : Assertion :- According to Hugo de Vries , it is mutation which causes speciation and hence called it saltation. Reason :- Mutations are random and dir

Last Answer : Assertion :- According to Hugo de Vries , it is mutation which causes speciation and hence called it ... . D. If both Assertion & Reason are false.

The plant in which Hugo de Vries introduced the concept of mutation

Description : 12.The plant in which Hugo de Vries introduced the concept of mutation (a)Oenothera lamarckiana (b)Pisum sativum (c)Allium cepa (d)Mirabilis jalapa

Last Answer : ANS.(A) Oenothera lamarckiana

According to Hugo de Vries, the mechanism of evolution is :- (1) Multiple step mutations (2) Saltation (3) Phenotypic variations (4) Minor mutations

Description : According to Hugo de Vries, the mechanism of evolution is :- (1) Multiple step mutations (2) Saltation (3) Phenotypic variations (4) Minor mutations

Last Answer : (2) Saltation

Who propounded the theory of natural selection? (1) Mendal (2) Lamark (3) Darwin (4) De Vries

Description : Who propounded the theory of natural selection? (1) Mendal (2) Lamark (3) Darwin (4) De Vries

Last Answer : (3) Darwin Explanation: Natural selection is Darwin's most famous theory that was formulated in 1859.

The theory of inheritance of acquired characters are proposed by a. J.B. Lamarck b. Charles Darwin c. Gregor Mendel d. Hugo De vries

Description : The theory of inheritance of acquired characters are proposed by a. J.B. Lamarck b. Charles Darwin c. Gregor Mendel d. Hugo De vries

Last Answer : b. Charles Darwin

Name the scientist who proved that plants have life. (1) Mendal (2) Hugo de vries (3) Jagdish Chandra Bose (4) Robert Brown

Description : Name the scientist who proved that plants have life. (1) Mendal (2) Hugo de vries (3) Jagdish Chandra Bose (4) Robert Brown

Last Answer : (3) Jagdish Chandra Bose Explanation: Jagdish Chandra Bose, on 10 May 1901, proved that plants are like any other life form. He also proved that plants have a definite life cycle.

______ is called as 'Father of Genetics'. (1) Charles Darwin (2) Hugo de Vries (3) Gregor Johann Mendel (4) Jean Baptiste Lamarck

Description : ______ is called as 'Father of Genetics'. (1) Charles Darwin (2) Hugo de Vries (3) Gregor Johann Mendel (4) Jean Baptiste Lamarck

Last Answer : (3) Gregor Johann Mendel Explanation: Gregor Mendel was an Austrian monk who discovered the basic principles of heredity through experiments in his garden.

The term ‘gene’ was coined by - (1) T. H. Morgan (2) W. L. Johanssen (3) G. Mendel (4) De Vries

Description : The term ‘gene’ was coined by - (1) T. H. Morgan (2) W. L. Johanssen (3) G. Mendel (4) De Vries

Last Answer : (2) W. L. Johanssen Explanation: Wilhelm Johannsen was a Danish botanist, plant physiologist and geneticist. His most well-known research concerned so-called pure lines of the self-fertile common bean. He was ... to the mother plant and to the position of seeds in pods and of pods on the plant.

First geneticist/father of genetics was (a) De Vries (b) Mendel (c) Darwin (d) Morgan.

Description : First geneticist/father of genetics was (a) De Vries (b) Mendel (c) Darwin (d) Morgan.

Last Answer : b) Mendel

The term ‘gene’ was coined by (1) T. H. Morgan (2) W. L. Johanssen (3) G. Mendel (4) De Vries

Description : The term ‘gene’ was coined by (1) T. H. Morgan (2) W. L. Johanssen (3) G. Mendel (4) De Vries

Last Answer : W. L. Johanssen

Name of the scientis who gave Mutation Theory :

Description : Name of the scientis who gave Mutation Theory :

Last Answer : Name of the scientis who gave Mutation Theory : A. Wallace B. Malthus C. Drawin D. De Vries

What is meant by analogous organs? Taking a suitable example, explain how they support the theory of Organic Evolution -Biology

Description : What is meant by analogous organs? Taking a suitable example, explain how they support the theory of Organic Evolution -Biology

Last Answer : Analogous organs are those organs which I have different basic structural design and developmental origin but have similar appearance and perform similar functions. Example: The wings of birds and bats look ... flying but their origins are not common. So, birds and bats are not closely related.

What is the significance of mutation and repair of mutations to evolution of sexual reproduction?

Description : What is the significance of mutation and repair of mutations to evolution of sexual reproduction?

Last Answer : meow

What is the significance of mutation and repair of mutations to evolution of sexual reproduction?

Description : What is the significance of mutation and repair of mutations to evolution of sexual reproduction?

Last Answer : meow

What is a mutation and how does it relate to evolution?

Description : What is a mutation and how does it relate to evolution?

Last Answer : A mutation is any change in the DNA. Mutations provide the genetic variation that evolution by natural selection needs to select from.

Which of the following process is not takes place in evolution of plants? (A)Crossing over (B) Mutation (C) Linkage (D) Coupling

Description : Which of the following process is not takes place in evolution of plants? (A)Crossing over (B) Mutation (C) Linkage (D) Coupling

Last Answer : (C) Linkage

Which of the following(s) is/are found in Genetic Algorithms? (i) evolution (ii) selection (iii) reproduction (iv) mutation (a) i & ii only (b) i, ii & iii only (c) ii, iii & iv only

Description : Which of the following(s) is/are found in Genetic Algorithms? (i) evolution (ii) selection (iii) reproduction (iv) mutation (a) i & ii only (b) i, ii & iii only (c) ii, iii & iv only

Last Answer : (a) i & ii only

Question 2: What factors gave birth to the consumer movement in India? Trace its evolution? -Economics 10th

Description : Question 2: What factors gave birth to the consumer movement in India? Trace its evolution? -Economics 10th

Last Answer : The factors that gave birth to the consumer movement in India are manifold. It started as a “social force” with the need to protect and promote consumer interests against unfair and unethical trade ... Act, also known as COPRA. This was a major step in the consumer movement in India.

who is known as the Father of Evolution because of his significant contribution to the Theory of Evolution.?

Description : who is known as the Father of Evolution because of his significant contribution to the Theory of Evolution.?

Last Answer : Charles Darwin

How did Charles Darwin develop his theory of evolution?

Description : How did Charles Darwin develop his theory of evolution?

Last Answer : Charles Darwin was not qualified to make such theory, he was a naturalist and as such had a bias against the involvement of supernatural forces thus rendering his conclusions scientifically invalid. His education ... that they were different from the ones he had known at his home, he also observed

Milton Friedman gave emphasis in his quantity theory of money on (a) Production and Income (b) Price level (c) Supply of Money (d) Demand for Money

Description : Milton Friedman gave emphasis in his quantity theory of money on (a) Production and Income (b) Price level (c) Supply of Money (d) Demand for Money

Last Answer : (d) Demand for Money

Jean Piaget gave a theory of cognitive development of humans on the basis of his: (A) Evaluation Research (B) Fundamental Research (C) Applied Research (D) Action Research

Description : Jean Piaget gave a theory of cognitive development of humans on the basis of his: (A) Evaluation Research (B) Fundamental Research (C) Applied Research (D) Action Research

Last Answer : (B) Fundamental Research

Who is the proponent of mutation theory ?

Last Answer : The Vris, a proponent of mutation theory

Johann Gregor Mendel is famous for propounding - (1) Theory of mutation (2) Laws of heredity (3) Cell theory (4) Theory of acquired characters

Description : Johann Gregor Mendel is famous for propounding - (1) Theory of mutation (2) Laws of heredity (3) Cell theory (4) Theory of acquired characters

Last Answer : (2) Laws of heredity Explanation: The Laws of Heredity are few; their implications for life are vast. The simplest genetic characteristics are those whose presence depends on the genotype ... about the way certain characteristics are transmitted from one generation to another in an organism.

Johann Gregor Mendel is famous for propounding (1) Theory of mutation (2) Laws of heredity (3) Cell theory (4) Theory of acquired characters

Description : Johann Gregor Mendel is famous for propounding (1) Theory of mutation (2) Laws of heredity (3) Cell theory (4) Theory of acquired characters 

Last Answer : Laws of heredity

A living connective link which provides evidence for organic evolution

Description : A living connective link which provides evidence for organic evolution

Last Answer : A living connective link which provides evidence for organic evolution A. Archaeopteryx between ... D. Tachyglossus between reptiles and mammals

Which one of the following sequences was propsoed by Darwin and Wallace for organic evolution?

Description : Which one of the following sequences was propsoed by Darwin and Wallace for organic evolution?

Last Answer : Which one of the following sequences was propsoed by Darwin and Wallace for organic ... selection, overproduction, constancy of population size

According of Darwin, the organic evolution is due to

Description : According of Darwin, the organic evolution is due to

Last Answer : According of Darwin, the organic evolution is due to A. Reduced feeding efficiency in ... competition D. Competition within closely related species

An important evidence in favour of organic evolution is the occurrence of `:`

Description : An important evidence in favour of organic evolution is the occurrence of `:`

Last Answer : An important evidence in favour of organic evolution is the occurrence of `:` A. ... Homologous organs only D. Homologous and analogous organs

Which primate is closest to man regaridn organic evolution :

Description : Which primate is closest to man regaridn organic evolution :

Last Answer : Which primate is closest to man regaridn organic evolution : A. Gibbon B. Gorilla C. Sinanthropus D. Orangutan

The first attempt to solve of mechanism of organic evolution was made by `:`

Description : The first attempt to solve of mechanism of organic evolution was made by `:`

Last Answer : The first attempt to solve of mechanism of organic evolution was made by `:` A. Haeckel B. De Vries C. Lamarck D. Darwin

What effect does tectonic plates have on organic evolution?

Description : What effect does tectonic plates have on organic evolution?

Last Answer : The climate because the shifting of tectonic plates will createmountains and vallies overtime, affecting organic evolution.

According to Darwin, the organic evolution is due to (a) competition within closely related species (b) reduced feeding efficiency in one species due to the presence of interfering species (c) intraspecific competition (d) interspecific competition.

Description : According to Darwin, the organic evolution is due to (a) competition within closely related species (b) reduced feeding efficiency in one species due to the presence of interfering species (c) intraspecific competition (d) interspecific competition.

Last Answer : (c) intraspecific competition

Which one of the following sequences was proposed by Darwin and Wallace for organic evolution? (a) Overproduction, variations, constancy of population size, natural selection (b) Variations, constancy of population size, overproduction, natural selection (c) Overproduction, constancy of population size, variations, natural selection (d) Variations, natural selection, overproduction, constancy of population size

Description : Which one of the following sequences was proposed by Darwin and Wallace for organic evolution? (a) Overproduction, variations, constancy of population size, natural selection (b) ... variations, natural selection (d) Variations, natural selection, overproduction, constancy of population size

Last Answer : (b) Sea-horse

In Dumas’ method for estimation of nitrogen, 0.3g of an organic compound gave 50mL of nitrogen collected at 300K temperature and 715mm pressure. Calculate the percentage composition of nitrogen in the compound. (Aqueous tension at 300K=15 mm).

Description : In Dumas’ method for estimation of nitrogen, 0.3g of an organic compound gave 50mL of nitrogen collected at 300K temperature and 715mm pressure. Calculate the percentage composition of nitrogen in the compound. (Aqueous tension at 300K=15 mm).

Last Answer : Volume of nitrogen collected at 300K and 715mm pressure is 50 mL Actual pressure = 715-15 =700 mm Volume of Nitrogen at STP=273*700*50/300*760 =41.9 ml 22400 ml of Nitrogen at STP weighs = 28 g 41.9 ml of Nitrogen weighs = 28*41.9/22400 g % of Nitrogen = 28*41.9*100/22400*0.3 = 17.45 %

0.3780g of organic chloro compound gave 0.5740g of silver chloride in carius estimation .Calculate the percentage of chlorine present in the compound.

Description : 0.3780g of organic chloro compound gave 0.5740g of silver chloride in carius estimation .Calculate the percentage of chlorine present in the compound.

Last Answer : % of chlorine = 35.5*mass of AgCl formed * 100/143.5 * mass of the substance = 35.5*0.5740*100/143.5*0.3780 = 19.6 %

In an estimation of sulphur by carius method 0.468 g of an organic compound gave 0.668 g of barium sulphate. Find the percentage of sulphur in the compound.

Description : In an estimation of sulphur by carius method 0.468 g of an organic compound gave 0.668 g of barium sulphate. Find the percentage of sulphur in the compound.

Last Answer : Mass of the compound = 0.468 g Mass of the barium sulphate = 0.668 g % of sulphur = 32 X Mass of barium sulphate X 100/ 233 X Mass of the compound = 32 x 0.668x100/ 233 x0.468 = 19.60 %

In 1953 S L Miller created primitive earth conditions in the laboratory and gave experimental evidence for origin of first form of life from pre existing non living organic molecules.

Description : 6. In 1953 S L Miller created primitive earth conditions in the laboratory and gave experimental evidence for origin of first form of life from pre existing non living organic molecules. The ... -reducing atmosphere. d) High temperature, volcanic storms, reducing atmosphere and contains NH3 and CH4

Last Answer : d) High temperature, volcanic storms, reducing atmosphere and contains NH3 and CH4

Banal question: Is there a scientific theory in which the evolution of human beings and another kind of organism that have a common source means the same thing as when an organism evolves from humans?

Description : Banal question: Is there a scientific theory in which the evolution of human beings and another kind of organism that have a common source means the same thing as when an organism evolves from humans?

Last Answer : As far as I know human beings and all other organisms do share a common source and evolution is a continuing process for all organisms, including man. That’s what the theory of evolution explains.

Is the theory of evolution falsifiable?

Description : Is the theory of evolution falsifiable?

Last Answer : Yes. All it would take is one example (thoroughly vetted of course) to debunk the Theory of Evolution. So far no known life form in the entire known history of life has done so. This is why the Theory of Evolution is a fact.

Do you accept that the theory of evolution is a fact?

Description : Do you accept that the theory of evolution is a fact?

Last Answer : Yes. Ever since we had a space program that proved there were no turtles holding up the earth.

Has the theory of evolution been proven?

Description : Has the theory of evolution been proven?

Last Answer : answer:Strictly, no. However in science a hypothesis does not earn the title of theory' until it is supported by a weight of evidence large enough that it would take decades of work and a ... That small margin of error is where it contradicts quantum mechanics, and is where it requires refinement.

Assuming the that the theory of evolution is true, does human intelligence work to slow down our evolution comparatively?

Description : Assuming the that the theory of evolution is true, does human intelligence work to slow down our evolution comparatively?

Last Answer : answer:In those cases, the ability to make tools would probably allow us to adapt to many more environments, thereby allowing more children to happen. As far as diseases, a lot of the ones that kill us ... has won a place in the next generation and I have not.) This would seem to be detrimental.

When speaking of evolution, why do some people protest that it is "only a theory"?

Description : When speaking of evolution, why do some people protest that it is "only a theory"?

Last Answer : You’d be surprised what they’ll deny. The Vatican just sponsored a conference on Geocentrism!!! ignorance is an incredible thing.

Darwin's Theory of Evolution and humans(details)?

Description : Darwin's Theory of Evolution and humans(details)?

Last Answer : Devolving is still a process of evolving.

Why is Creation Science baned from schools and Evolution theory is tought as the only truth of origin? Why the bias?

Description : Why is Creation Science baned from schools and Evolution theory is tought as the only truth of origin? Why the bias?

Last Answer : Because creationism isn’t a science.

Is it even possible that the theory of evolution will one day be proved wrong?

Description : Is it even possible that the theory of evolution will one day be proved wrong?

Last Answer : Let me first say that the theory of Evolution has very little to do with the origins of life, and much more to do with what happened after that. Like all scientific theories, it ... Impossible? No - the right evidence could even disprove the theories of Gravity, Relativity, and Thermodynamics.