Assertion : A major advantage of tissue culture is protoplast fusion. Reason : A hybrid is formed by the fusion of naked protoplasts of two plant.

Assertion : A major advantage of tissue culture is protoplast fusion. Reason : A hybrid is formed by the fusion of naked protoplasts of two plant.
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Assertion : A major advantage of tissue culture is protoplast fusion. Reason : A hybrid is formed ... false D. If both assertion and reason are false
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The enzymes required to obtain wall-free/naked protoplasts are

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In order to obtain virus-free plants through tissue culture the best method is (a) meristem culture (b) protoplast culture (c) embryo rescue (d) anther culture.

Description : In order to obtain virus-free plants through tissue culture the best method is (a) meristem culture (b) protoplast culture (c) embryo rescue (d) anther culture.

Last Answer : (a) meristem culture

Which of the following enhances or induces fusion of protoplasts? (a) IAA and kinetin (b) IAA and gibberellins (c) Sodium chloride and potassium chloride (d) Polyethylene glycol and sodium nitrate

Description : Which of the following enhances or induces fusion of protoplasts? (a) IAA and kinetin (b) IAA and gibberellins (c) Sodium chloride and potassium chloride (d) Polyethylene glycol and sodium nitrate

Last Answer : (d) Polyethylene glycol and sodium nitrate

Transgenic plants are the ones (a) generated by introducing foreign DNA into a cell and regenerating a plant from that cell (b) produced after protoplast fusion in artificial medium(c) grown in artificial medium after hybridization in the field (d) produced by a somatic embryo in artificial medium.

Description : Transgenic plants are the ones (a) generated by introducing foreign DNA into a cell and regenerating a plant from that cell (b) produced after protoplast fusion in artificial medium (c) grown in ... medium after hybridization in the field (d) produced by a somatic embryo in artificial medium.

Last Answer : (a) generated by introducing foreign DNA into a

What is protoplast fusion? -Biology

Description : What is protoplast fusion? -Biology

Last Answer : answer:

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 plant tissue culture somatic embryos can be induced from any plant cell. Reason : Any viable plant cell can differentiate into somatic

Description : Assertion : In plant tissue culture somatic embryos can be induced from any plant cell. Reason : Any viable plant cell can differentiate into somatic

Last Answer : Assertion : In plant tissue culture somatic embryos can be induced from any plant cell. Reason : ... false D. If both assertion and reason are false

Assertion : In plant tissue culture somatic embryos can be induced from any plant cell. Reason : Any viable plant cell can differentiate into somatic

Description : Assertion : In plant tissue culture somatic embryos can be induced from any plant cell. Reason : Any viable plant cell can differentiate into somatic

Last Answer : Assertion : In plant tissue culture somatic embryos can be induced from any plant cell. Reason : ... false D. If both assertion and reason are false

In maize, hybrid vigour is exploited by (a) inducing mutations (b) bombarding the protoplast with DNA (c) crossing of two inbred parental lines (d) harvesting seeds from the most productive plants.

Description : In maize, hybrid vigour is exploited by (a) inducing mutations (b) bombarding the protoplast with DNA (c) crossing of two inbred parental lines (d) harvesting seeds from the most productive plants.

Last Answer : (c) crossing of two inbred parental lines

what is cybrid ? a. Sexual hybrid b. Hybrid formed by cell division c. Tissue culture d. None of these

Description : what is cybrid ? a. Sexual hybrid b. Hybrid formed by cell division c. Tissue culture d. None of these

Last Answer : b. Hybrid formed by cell division

Which one of the following is a case of wrong matching? (a) Somatic – Fusion of two hybridization diverse cells (b) Vector DNA – Site for tRNA synthesis (c) Micropropagation – In vitro production of plants in large numbers (d) Callus – Unorganised mass of cells produced in tissue culture

Description : Which one of the following is a case of wrong matching? (a) Somatic – Fusion of two hybridization diverse cells (b) Vector DNA – Site for tRNA synthesis (c) Micropropagation – In vitro production of plants in large numbers (d) Callus – Unorganised mass of cells produced in tissue culture

Last Answer : (b) Vector DNA – Site for tRNA synthesis

9. Which one of the following is a case of wrong matching ? (1) Callus - Unorganised mass of cells produced in tissue culture (2) Somatic hybridization - Fusion of two diverse cells (3) Vector DNA - Site for t-RNA synthesis (4) Micropropagation - In vitro production of plants in large number

Description : 9. Which one of the following is a case of wrong matching ? (1) Callus - Unorganised mass of cells produced in tissue culture (2) Somatic hybridization - Fusion of two diverse cells (3) Vector DNA - Site for t-RNA synthesis (4) Micropropagation - In vitro production of plants in large number

Last Answer : Vector DNA - Site for t-RNA synthesis

Assertion : Salamander , Sphenodon are classified as amphibians . Reason : Their skin is naked, moist, and glandular.

Description : Assertion : Salamander , Sphenodon are classified as amphibians . Reason : Their skin is naked, moist, and glandular.

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Assertion : Originwise hair are epithelial tissue which are of ectodermal origin. Reason : Epithelial tissue can be formed from mesoderm and endoderm

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A variety or strain produced by horticultural or agricultural techniques and not normally found in natural population is called a) Hybrid b) Tissue culture c) GMO d) Cultivar

Description : A variety or strain produced by horticultural or agricultural techniques and not normally found in natural population is called a) Hybrid b) Tissue culture c) GMO d) Cultivar

Last Answer : d) Cultivar

Assertion `(A) :` Hydrogen bomb is more powerful than atomic bomb. Reason `(R) :` In hydrogen bomb, fusion reaction is initiated. a)If both `(A)` and

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Sperm and egg nuclei fuse due to (a) base pairing of their DNA and RNA (b) formation of hydrogen bonds (c) mutual attraction due to differences in electrical charges (d) attraction of their protoplasts.

Description : Sperm and egg nuclei fuse due to (a) base pairing of their DNA and RNA (b) formation of hydrogen bonds (c) mutual attraction due to differences in electrical charges (d) attraction of their protoplasts.

Last Answer : attraction of their protoplasts

Assertion : In case of vegetatively propagated crops, pure line selection is not requried. Reason : Hybrid vigour is mostly used in vegetatively propa

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Assertion: The O - O bond lengths in ozone molecule are intermediate between single and double bonds. Reason: `O_(3)` molecule is a resonance hybrid.

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Assertion (A) : Mass media promote a culture of violence in the society. Reason (R) : Because violence sells in the market as people themselves are violent in character. (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) Both (A) and (R) are false.

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Last Answer : (D) Both (A) and (R) are false.

The reason that a nation’s cultural differences are the most difficult to gain information about is because __________________. A. people tend to be sensitive about their own culture B. providing this information to foreign organizations reduces a competitive business advantage C. there is little written on the issue D. “natives” are least capable of explaining the unique characteristics of their own culture

Description : The reason that a nation's cultural differences are the most difficult to gain information about is because __________________. A. people tend to be sensitive about their own culture B. providing ... issue D. natives are least capable of explaining the unique characteristics of their own culture

Last Answer : “natives” are least capable of explaining the unique characteristics of their own culture

The pressure exerted by wall of the cell on the protoplast is

Description : The pressure exerted by wall of the cell on the protoplast is

Last Answer : The pressure exerted by wall of the cell on the protoplast is A. W.P. B. T.P. C. D. P. D. O.P.

A protoplast is a cell

Description : A protoplast is a cell

Last Answer : A protoplast is a cell A. without cell wall B. without plasma membrane C. without nucleus D. undergoing division

Cell wall of chloroplast is removed, the remaining is called (a) Etioplast (b) Aleuroplast (c) Amyloplast (d) Protoplast

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Last Answer : Ans:(d)

A protoplast is a cell (a) undergoing division (b) without cell wall (c) without plasma membrane (d) without nucleus.

Description : A protoplast is a cell (a) undergoing division (b) without cell wall (c) without plasma membrane (d) without nucleus.

Last Answer : (b) without cell wall

Which of the following statement describes plasmids? A- Another name for a protoplast B- A complex membrane structure that covers the chromosome of bacteria Small, circular DNA molecules that can exist independently of chromosomes commonly C- found in bacteria D- None of the above

Description : Which of the following statement describes plasmids? A- Another name for a protoplast B- A complex membrane structure that covers the chromosome of bacteria Small, circular DNA molecules that can exist independently of chromosomes commonly C- found in bacteria D- None of the above

Last Answer : found in bacteria

In tissue culture medium, the embryoids formed from pollen grains is due to (a) cellular totipotency (b) organogenesis (c) double fertilization (d) test tube culture.

Description : In tissue culture medium, the embryoids formed from pollen grains is due to (a) cellular totipotency (b) organogenesis (c) double fertilization (d) test tube culture.

Last Answer : (a) cellular totipotency

Assertion (A): Organ transplantation patients are given immunosuppressive durgs. Reason (R): Transplanted tissue has antigens which stimulate the spec

Description : Assertion (A): Organ transplantation patients are given immunosuppressive durgs. Reason (R): Transplanted tissue has antigens which stimulate the spec

Last Answer : Assertion (A): Organ transplantation patients are given immunosuppressive durgs. Reason (R): ... If both the assertion and reason are false

Assertion : Placenta is combined structure of foetal tissue & maternal tissue Reason : Placenta formation is completed before 6 weeks of pregnancy .

Description : Assertion : Placenta is combined structure of foetal tissue & maternal tissue Reason : Placenta formation is completed before 6 weeks of pregnancy .

Last Answer : Assertion : Placenta is combined structure of foetal tissue & maternal tissue Reason : Placenta formation ... . If both Assertion & Reason are False.

Assertion : Most of bones of body are cartilagenous. Reason : Connective tissue originated first during embryonic develoment.

Description : Assertion : Most of bones of body are cartilagenous. Reason : Connective tissue originated first during embryonic develoment.

Last Answer : Assertion : Most of bones of body are cartilagenous. Reason : Connective tissue originated first during ... D. If both Assertion & Reason are false.

Assertion :- Mast cells are undiferntiated cells of connective tissue proper. Reason :- Mast cells modified to from other cells of connective tissue p

Description : Assertion :- Mast cells are undiferntiated cells of connective tissue proper. Reason :- Mast cells modified to from other cells of connective tissue p

Last Answer : Assertion :- Mast cells are undiferntiated cells of connective tissue proper. Reason :- Mast cells ... D. If both Assertion & Reason are false.

Assertion : Perichondrium in white fibrous cartilage is absent. Reason : Perichondrium is a white fibrous connective tissue

Description : Assertion : Perichondrium in white fibrous cartilage is absent. Reason : Perichondrium is a white fibrous connective tissue

Last Answer : Assertion : Perichondrium in white fibrous cartilage is absent. Reason : Perichondrium is a white fibrous ... . If both Assertion & Reason are false.

Assertion : Epithelium cells get their nutrientes from Adjacent cells . Reason : In epithelium tissue large intercellular spaces are present

Description : Assertion : Epithelium cells get their nutrientes from Adjacent cells . Reason : In epithelium tissue large intercellular spaces are present

Last Answer : Assertion : Epithelium cells get their nutrientes from Adjacent cells . Reason : In epithelium tissue ... . If both Assertion & Reason are false.

Assertion : Mucoid connective tissue is called as embryonic tissue. Reason : Mucoid connective tissue is mainly found in enbryonic stage .

Description : Assertion : Mucoid connective tissue is called as embryonic tissue. Reason : Mucoid connective tissue is mainly found in enbryonic stage .

Last Answer : Assertion : Mucoid connective tissue is called as embryonic tissue. Reason : Mucoid connective tissue is ... D. If both Assertion & Reason are false.

Assertion : Glands originate from all germinal layers. Reason : All glands are composed of epithelium tissue.

Description : Assertion : Glands originate from all germinal layers. Reason : All glands are composed of epithelium tissue.

Last Answer : Assertion : Glands originate from all germinal layers. Reason : All glands are composed of epithelium ... D. If both Assertion & Reason are false.

Assertion: Cartilage and bone are rigid connective tissues. Reason: Blood is a connective tissue.

Description : Assertion: Cartilage and bone are rigid connective tissues. Reason: Blood is a connective tissue.

Last Answer : Assertion: Cartilage and bone are rigid connective tissues. Reason: Blood is a connective tissue. A. If ... D. If both Assertion & Reason are false.

Assertion : Epithelia are highly regenerative. Reason : When epithelia gets damaged they regenerate more repidly then other Tissue.

Description : Assertion : Epithelia are highly regenerative. Reason : When epithelia gets damaged they regenerate more repidly then other Tissue.

Last Answer : Assertion : Epithelia are highly regenerative. Reason : When epithelia gets damaged they regenerate more ... . If both Assertion & Reason are false.

Assertion : Reticular fibrous connective Tissue is called as embryonic tissue. Reason : Reticular fibrous connective tissue is mainly found in embryon

Description : Assertion : Reticular fibrous connective Tissue is called as embryonic tissue. Reason : Reticular fibrous connective tissue is mainly found in embryon

Last Answer : Assertion : Reticular fibrous connective Tissue is called as embryonic tissue. Reason : Reticular fibrous ... . If both Assertion & Reason are false.

Assertion : Ureter and Urinery bladder are lined with Transitional Epithelium. Reason : Transitional Epithelium rest directly on Connective tissue .

Description : Assertion : Ureter and Urinery bladder are lined with Transitional Epithelium. Reason : Transitional Epithelium rest directly on Connective tissue .

Last Answer : Assertion : Ureter and Urinery bladder are lined with Transitional Epithelium. Reason : Transitional ... If both Assertion & Reason are false.

Assertion : Lymphocyte cells of connective tissue proper are called as cart whell cels. Reason : Lymphocyte cell is largest cell of connective tissue

Description : Assertion : Lymphocyte cells of connective tissue proper are called as cart whell cels. Reason : Lymphocyte cell is largest cell of connective tissue

Last Answer : Assertion : Lymphocyte cells of connective tissue proper are called as cart whell cels. Reason : ... D. If both Assertion & Reason are false.

Ford Fusion or Camry Hybrid?

Description : Ford Fusion or Camry Hybrid?

Last Answer : USA Today's James R. Healey recently reviewed the Ford Fusion Hybrid and liked it so much he declared it the best gas-electric hybrid yet . He sums it up saying: There are three facets to consider ... the hot Texas sun. Since I live under that sun, I would be sorely tempted by that feature alone.

Do you have any opinions or information about the Ford Fusion Hybrid?

Description : Do you have any opinions or information about the Ford Fusion Hybrid?

Last Answer : Ye of little faith in American cars. There's actually nothing wrong with most of them. I know little to nothing about the Ford Fusion Hybrid, but what I do know sounds positive. If you can afford ... or something to that effect. You can likely rest assured that the battery will not be an issue.

The advantage of firing pulverised coal in the furnace lies in the fact, that it (A) Permits the use of high ash content coal (B) Permits the use of low fusion point ash coal(C) Accelerates the burning rate and economises on fuel combustion(D) All (A), (B) and (C)

Description : The advantage of firing pulverised coal in the furnace lies in the fact, that it (A) Permits the use of high ash content coal (B) Permits the use of low fusion point ash coal (C) Accelerates the burning rate and economises on fuel combustion (D) All (A), (B) and (C)

Last Answer : (C) Accelerates the burning rate and economises on fuel combustion

Assertion `:-` Human kidneys can produce urine nearly four times concentrated than the initial filtrate formed. Reason `:-` Counter current mechanism

Description : Assertion `:-` Human kidneys can produce urine nearly four times concentrated than the initial filtrate formed. Reason `:-` Counter current mechanism

Last Answer : Assertion `:-` Human kidneys can produce urine nearly four times concentrated than the initial filtrate ... D. If both Assertion & Reason are false.

Assertion: A sanctuary is formed for the conservation of animals only. Reason: Restricted human activities are allowed in sanctuaries.

Description : Assertion: A sanctuary is formed for the conservation of animals only. Reason: Restricted human activities are allowed in sanctuaries.

Last Answer : Assertion: A sanctuary is formed for the conservation of animals only. Reason: Restricted human ... . If both assertion and reason are false.

Assertion `:` Faeces are brown coloured. Reason `,` Faeces contain brown pigment named sterocobilin formed by reduction of bile pigment.

Description : Assertion `:` Faeces are brown coloured. Reason `,` Faeces contain brown pigment named sterocobilin formed by reduction of bile pigment.

Last Answer : Assertion `:` Faeces are brown coloured. Reason `,` Faeces contain brown pigment named sterocobilin ... D. If both Assertion & Reason are false.

Assertion :- Fossils are always reamins of hard parts of life -forms found only in rocks. Reason :- Rocks are formed due to sediments.

Description : Assertion :- Fossils are always reamins of hard parts of life -forms found only in rocks. Reason :- Rocks are formed due to sediments.

Last Answer : Assertion :- Fossils are always reamins of hard parts of life -forms found only in rocks. Reason :- ... . D. If both Assertion & Reason are false.

Assertion : Secondary air pollutants are formed by interactin among primary pollutants and are more toxic Reason: DDT is secondary air pollutants

Description : Assertion : Secondary air pollutants are formed by interactin among primary pollutants and are more toxic Reason: DDT is secondary air pollutants

Last Answer : Assertion : Secondary air pollutants are formed by interactin among primary pollutants and are more toxic ... but reason is wrong D. Both are wrong

Assertion (A): Micelles are formed by surfactant molecules above the critical micellization concentration `(CMC)` . Reason(R): The conductivity of a s

Description : Assertion (A): Micelles are formed by surfactant molecules above the critical micellization concentration `(CMC)` . Reason(R): The conductivity of a s

Last Answer : Assertion (A): Micelles are formed by surfactant molecules above the critical micellization concentration ` ... If both Assertion & Reason are False.

Assertion : During oogenesis polar bodies are formed . Reason : Primary function of formation of polarbodies is to bring haploidy of ovum .

Description : Assertion : During oogenesis polar bodies are formed . Reason : Primary function of formation of polarbodies is to bring haploidy of ovum .

Last Answer : Assertion : During oogenesis polar bodies are formed . Reason : Primary function of formation of ... . If both Assertion & Reason are False.