Assertion: The genetic material in Tobacco mosaic virus in RNA. Reason: RNA is a type of nucleic acid.

Assertion: The genetic material in Tobacco mosaic virus in RNA. Reason: RNA is a type of nucleic acid.
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Assertion: The genetic material in Tobacco mosaic virus in RNA. Reason: RNA is a type of nucleic acid. A. ... is wrong D. If both As and R are wrong.
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Tobacco mosaic virus (TMV) genes are (a) single stranded RNA (b) double stranded DNA (c) proteinaceous (d) double stranded RNA.

Description : Tobacco mosaic virus (TMV) genes are (a) single stranded RNA (b) double stranded DNA (c) proteinaceous (d) double stranded RNA.

Last Answer : (a) single stranded RNA

Which of the following shows coiled RNA strand and capsomeres? (a) Polio virus (b) Tobacco mosaic virus (c) Measles virus (d) Retrovirus

Description : Which of the following shows coiled RNA strand and capsomeres? (a) Polio virus (b) Tobacco mosaic virus (c) Measles virus (d) Retrovirus

Last Answer : (b) Tobacco mosaic virus

What are the symptoms of tobacco mosaic virus? -Biology

Description : What are the symptoms of tobacco mosaic virus? -Biology

Last Answer : answer:

What is the size of the tobacco mosaic virus? -Biology

Description : What is the size of the tobacco mosaic virus? -Biology

Last Answer : answer:

What is Tobacco Mosaic Virus (TMV)? -Biology

Description : What is Tobacco Mosaic Virus (TMV)? -Biology

Last Answer : Symptoms induced by Tobacco mosaic virus ( TMV) are somewhat dependent on the host plant and can include mosaic, mottling (Figures 1 and 2), necrosis (Figures 3 and 4), stunting, leaf curling, and yellowing of plant tissues.

What are the two major components of the tobacco mosaic virus? -Biology

Description : What are the two major components of the tobacco mosaic virus? -Biology

Last Answer : answer:

Who discovered tobacco mosaic virus? -Biology

Description : Who discovered tobacco mosaic virus? -Biology

Last Answer : answer:

What does tobacco mosaic virus do? -Biology

Description : What does tobacco mosaic virus do? -Biology

Last Answer : Symptoms induced by Tobacco mosaic virus ( TMV) are somewhat dependent on the host plant and can include mosaic, mottling , necrosis , stunting, leaf curling, and yellowing of plant tissues.

What is the name of tobacco mosaic virus ?

Description : What is the name of tobacco mosaic virus ?

Last Answer : The name of the tobacco mosaic virus is TMV.

A tetrovirus is (A) Polio virus (B) HIV (C) Herpes virus (D) Tobacco mosaic virus

Description : A tetrovirus is (A) Polio virus (B) HIV (C) Herpes virus (D) Tobacco mosaic virus

Last Answer : Answer : B

Select the correct group of biocontrol agents. (a) Nostoc, Azospirillium, Nucleopolyhedrovirus (b) Bacillus thuringiensis, Tobacco mosaic virus, Aphids (c) Trichoderma, Baculovirus, Bacillus thuringiensis (d) Oscillatoria, Rhizobium, Trichoderma

Description : Select the correct group of biocontrol agents. (a) Nostoc, Azospirillium, Nucleopolyhedrovirus (b) Bacillus thuringiensis, Tobacco mosaic virus, Aphids (c) Trichoderma, Baculovirus, Bacillus thuringiensis (d) Oscillatoria, Rhizobium, Trichoderma

Last Answer : (c) Trichoderma, Baculovirus, Bacillus thuringiensis

.Tobacco mosaic virus is a tubular filament of size (a) 300 × 10nm (b) 300 × 5nm (c) 300 × 20nm (d) 700 × 30nm.

Description : .Tobacco mosaic virus is a tubular filament of size (a) 300 × 10nm (b) 300 × 5nm (c) 300 × 20nm (d) 700 × 30nm.

Last Answer : (c) 300 × 20nm

Cauliflower mosaic virus contains (a) ss RNA (b) ds RNA (c) ds DNA (d) ss DNA

Description : Cauliflower mosaic virus contains (a) ss RNA (b) ds RNA (c) ds DNA (d) ss DNA

Last Answer : (c) ds DNA

Cauliflower mosaic virus contain a. RNA b. RNA and DNA c. DNA d. None of these

Description : Cauliflower mosaic virus contain a. RNA b. RNA and DNA c. DNA d. None of these

Last Answer : c. DNA

Human immuno deficiency virus (HIV) has a protein coat and a genetic material which is (a) double stranded RNA (b) double stranded DNA (c) single stranded DNA (d) single stranded RNA

Description : Human immuno deficiency virus (HIV) has a protein coat and a genetic material which is (a) double stranded RNA (b) double stranded DNA (c) single stranded DNA (d) single stranded RNA

Last Answer : (d) single stranded RNA.

What is the genetic material in influenza virus? (a) Double helical DNA (b) RNA (c) Single helix DNA (d) None of these

Description : What is the genetic material in influenza virus? (a) Double helical DNA (b) RNA (c) Single helix DNA (d) None of these

Last Answer : (b) RNA

What are Tobacco Mosaic viruses? -Biology

Description : What are Tobacco Mosaic viruses? -Biology

Last Answer : answer:

What are Tobacco Mosaic viruses? -Biology

Description : What are Tobacco Mosaic viruses? -Biology

Last Answer : answer:

Tobacco Mosaic disease is caused by

Description : Tobacco Mosaic disease is caused by

Last Answer : Ans. Nicotiana Virus-1

Select the wrong statement. (a) The term ‘contagium vivum fluidum’ was coined by M. W. Beijerinck. (b) Mosaic disease in tobacco and AIDS in human being are caused by viruses. (c) The viroids were discovered by D.J. Ivanowsky. (d) W.M. Stanley showed that viruses could be crystallised.

Description : Select the wrong statement. (a) The term ‘contagium vivum fluidum’ was coined by M. W. Beijerinck. (b) Mosaic disease in tobacco and AIDS in human being are caused by viruses. (c) The viroids were discovered by D.J. Ivanowsky. (d) W.M. Stanley showed that viruses could be crystallised.

Last Answer : (c) The viroids were discovered by D.J. Ivanowsky

Orcinol method is employed in the quantitation of (A) Nucleic acid (B) DNA (C) RNA (D) Proteins

Description : Orcinol method is employed in the quantitation of (A) Nucleic acid (B) DNA (C) RNA (D) Proteins

Last Answer : Answer : C

Diphenylamine method is employed in the quantitation of (A) Nucleic acid (B) RNA (C) DNA (D) Proteins

Description : Diphenylamine method is employed in the quantitation of (A) Nucleic acid (B) RNA (C) DNA (D) Proteins

Last Answer : Answer : C

If in a nucleic acid there are more than 8000 nucleotides it is most likely (A) RNA (B) DNA (C) Both (A) and (B) (D) None of these

Description : If in a nucleic acid there are more than 8000 nucleotides it is most likely (A) RNA (B) DNA (C) Both (A) and (B) (D) None of these

Last Answer : Answer : B

Which of the following statements about nucleic acid is most correct? (A) Both pentose nucleic acid and deoxypentose nucleic acid contain the same pyrimidines (B) Both pentose nucleic acid and deoxypentose nucleic acid and deoxypentose nucleic acid Contain the same purines (C) RNA contains cytosine and thymine (D) DNA and RNA are hydrolysed by weak alkali

Description : Which of the following statements about nucleic acid is most correct? (A) Both pentose nucleic acid and deoxypentose nucleic acid contain the same pyrimidines (B) Both pentose nucleic acid and deoxypentose ... (C) RNA contains cytosine and thymine (D) DNA and RNA are hydrolysed by weak alkali

Last Answer : Answer : B

True statements about the nucleic acid include: a. contains purine and pyrimidine which are bound together by covalent bonds b. there is always an equal concentration of purine and pyrimidine c. in RNA, thymine is replaced by uracil d. introns is more common than exons on the DNA e. the histones mark the excision site

Description : True statements about the nucleic acid include: a. contains purine and pyrimidine which are bound together by covalent bonds b. there is always an equal concentration of purine and pyrimidine c. in RNA, ... d. introns is more common than exons on the DNA e. the histones mark the excision site

Last Answer : there is always an equal concentration of purine and pyrimidine

Which one of the following statements about viruses is correct? (a) Viruses possess their own metabolic system. (b) All viruses contain both RNA and DNA. (c) Viruses are obligate parasites. (d) Nucleic acid of viruses is known as capsid.

Description : Which one of the following statements about viruses is correct? (a) Viruses possess their own metabolic system. (b) All viruses contain both RNA and DNA. (c) Viruses are obligate parasites. (d) Nucleic acid of viruses is known as capsid.

Last Answer : (c) Viruses are obligate parasites.

Which among the following contain only one type of nucleic acid? (a) Bacteria (b) Virus (c) Dead virus (d) Al

Description : Which among the following contain only one type of nucleic acid? (a) Bacteria (b) Virus (c) Dead virus (d) Al

Last Answer : (b) Virus

Virus contains - (1) Protein and lipid (2) Nucleic acid and protein (3) Lipid and carbohydrate (4) Carbohydrate and nucleic acid

Description : Virus contains - (1) Protein and lipid (2) Nucleic acid and protein (3) Lipid and carbohydrate (4) Carbohydrate and nucleic acid

Last Answer : (1) Protein and lipid Explanation: Virus particles (known as virions) consist of two or three parts: the genetic material made from either DNA or RNA, long molecules that carry genetic ... cell. The shapes of viruses range from simple helical and icosahedra forms to more complex structures.

Virus contains (1) Protein and lipid (2) Nucleic acid and protein (3) Lipid and carbohydrate (4) Carbohydrate and nucleic acid

Description : Virus contains (1) Protein and lipid (2) Nucleic acid and protein (3) Lipid and carbohydrate (4) Carbohydrate and nucleic acid

Last Answer : Protein and lipid

Transfer of genetic material from m-RNA to Protein

Description : Transfer of genetic material from m-RNA to Protein

Last Answer : Ans. Translation

The process of using information (genetic material) from DNA to construct m-RNA

Description : The process of using information (genetic material) from DNA to construct m-RNA

Last Answer : Ans. Transcription

In human body, the cell growth and differentiation are highly controlled and regulated, but in cancer cells. (a) there is breakdown of these regulatory mechanism leading to formation of benign and malignant tumors (b) controlled cell division and over production of genetic material occur (c) RNA is mutated and produced in less amount (d) DNA is mutated and produced in less amount

Description : In human body, the cell growth and differentiation are highly controlled and regulated, but in cancer cells. (a) there is breakdown of these regulatory mechanism leading to formation of benign and malignant ... is mutated and produced in less amount (d) DNA is mutated and produced in less amount

Last Answer : Ans:(a)

Which of the following is true? (1) DNA is the genetic material in most of the organism (2) RNA is the genetic material in most viruses and bacteria (3) DNA is the genetic material in all the viruses (4) RNA is the genetic material in all the viruses

Description : Which of the following is true? (1) DNA is the genetic material in most of the organism (2) RNA is the genetic material in most viruses and bacteria (3) DNA is the genetic material in all the viruses (4) RNA is the genetic material in all the viruses

Last Answer : (1) DNA is the genetic material in most of the organism Explanation: Deoxyribonucleic acid (DNA) molecules are informational molecules encoding the genetic instructions used in the development and functioning of all ... letters. G, A, T, and C. DNA is well-suited for biological information storage.

Similarity in DNA and RNA is that (a) both are polymer of nucleotides (b) both have similar pyrimidine (c) both have similar sugar (d) both are genetic material.

Description : Similarity in DNA and RNA is that (a) both are polymer of nucleotides (b) both have similar pyrimidine (c) both have similar sugar (d) both are genetic material.

Last Answer : (b) both have similar pyrimidine

The Pneumococcus experiment proves that (a) bacteria do not reproduce sexually (b) RNA sometime controls the production of DNA and proteins (c) DNA is the genetic material (d) bacteria undergo binary fission.

Description : The Pneumococcus experiment proves that (a) bacteria do not reproduce sexually (b) RNA sometime controls the production of DNA and proteins (c) DNA is the genetic material (d) bacteria undergo binary fission.

Last Answer : (d) bacteria undergo binary fission.

Similarity in DNA and RNA is that (a) both are polymer of nucleotides (b) both have similar pyrimidine (c) both have similar sugar (d) both are genetic material.

Description : Similarity in DNA and RNA is that (a) both are polymer of nucleotides (b) both have similar pyrimidine (c) both have similar sugar (d) both are genetic material.

Last Answer : both are polymer of nucleotides

Which of the following statements is not true for retroviruses? (a) DNA is not present at any stage in the life cycle of retroviruses. (b) Retroviruses carry gene(c) The genetic material in mature retroviruses is RNA. (d) Retroviruses are causative agents for certain kinds of cancer in man. for RNA-dependent DNA polymerase.

Description : Which of the following statements is not true for retroviruses? (a) DNA is not present at any stage in the life cycle of retroviruses. (b) Retroviruses carry gene for RNA-dependent DNA ... mature retroviruses is RNA. (d) Retroviruses are causative agents for certain kinds of cancer in man.

Last Answer : (a) DNA is not present at any stage in the life cycle of retroviruses

Viruses derived from fragments of cellular genetic material and macromolecules forms the basis of the a. Cellular Origins Hypothesis. b. Independent Entities Hypothesis. c. Rna World Hypothesis. d. Regressive Evolution Hypothesis.

Description : Viruses derived from fragments of cellular genetic material and macromolecules forms the basis of the a. Cellular Origins Hypothesis. b. Independent Entities Hypothesis. c. Rna World Hypothesis. d. Regressive Evolution Hypothesis.

Last Answer : a. Cellular Origins Hypothesis.

The flow of genetic material in microbial cells usually takes place from A- RNA through DNA to proteins B- proteins through RNA to DNA C- .DNA through RNA to proteins D- none of these

Description : The flow of genetic material in microbial cells usually takes place from A- RNA through DNA to proteins B- proteins through RNA to DNA C- .DNA through RNA to proteins D- none of these

Last Answer : .DNA through RNA to proteins

26. DNA is a better genetic material than RNA because ... e) DNA is chemically less reactive. f) DNA is structurally more stable. g) DNA is non-catalytic and less easily degradable. h) All of the above.

Description : 26. DNA is a better genetic material than RNA because ... e) DNA is chemically less reactive. f) DNA is structurally more stable. g) DNA is non-catalytic and less easily degradable. h) All of the above.

Last Answer : h) All of the above.

6. DNA is a better genetic material than RNA because ... a) DNA is chemically less reactive. b) DNA is structurally more stable. c) DNA is non-catalytic and less easily degradable. d) All of the above.

Description : 6. DNA is a better genetic material than RNA because ... a) DNA is chemically less reactive. b) DNA is structurally more stable. c) DNA is non-catalytic and less easily degradable. d) All of the above.

Last Answer : d) All of the above.

Which of the following is true ? (1) DNA is the genetic material in most of the organism (2) RNA is the genetic material in most viruses and bacteria (3) DNA is the genetic material in all the viruses (4) RNA is the genetic material in all the viruses

Description : Which of the following is true ? (1) DNA is the genetic material in most of the organism (2) RNA is the genetic material in most viruses and bacteria (3) DNA is the genetic material in all the viruses (4) RNA is the genetic material in all the viruses

Last Answer : DNA is the genetic material in most of the organism

Some viruses have RNA but no DNA. This would indicate that – (1) these viruses cannot replicate (2) these viruses have no heritable information (3) RNA transmits the hereditary information in these viruses (4) their nucleic acids can be crystallised

Description : Some viruses have RNA but no DNA. This would indicate that – (1) these viruses cannot replicate (2) these viruses have no heritable information (3) RNA transmits the hereditary information in these viruses (4) their nucleic acids can be crystallised

Last Answer : (2) these viruses have no heritable information Explanation: DNA is an informational molecule encoding the genetic instructions Along with RNA and proteins, it is one of the three major macromolecules that are ... guanine, adenine, thymine, and cytosine) recorded using the letters G, A, T, and C.

Which of the following is not a natural polymer? (A) Nucleic acids e.g. RNA and DNA (B) Polysaccharides (C) Polyisoprene (D) Polyurethane

Description : Which of the following is not a natural polymer? (A) Nucleic acids e.g. RNA and DNA (B) Polysaccharides (C) Polyisoprene (D) Polyurethane

Last Answer : (D) Polyurethane

Nissl’s bodies are mainly composed of (a) proteins and lipids (b) DNA and RNA (c) nucleic acids and SER (d) free ribosomes and RER.

Description : Nissl’s bodies are mainly composed of (a) proteins and lipids (b) DNA and RNA (c) nucleic acids and SER (d) free ribosomes and RER.

Last Answer : (d) free ribosomes and RER.

Which is wrong about nucleic acids? (a) DNA is single stranded in some viruses. (b) RNA is double stranded occasionally. (c) Length of one helix is 45 Å in B-DNA. (d) One turn of Z-DNA has 12 bases

Description : Which is wrong about nucleic acids? (a) DNA is single stranded in some viruses. (b) RNA is double stranded occasionally. (c) Length of one helix is 45 Å in B-DNA. (d) One turn of Z-DNA has 12 bases

Last Answer : (c) Length of one helix is 45 Å in B-DNA

Nissl bodies are mainly composed of (1) Proteins and lipids (2) DNA and RNA (3) Nucleic acids and SER (4) Free ribosomes and RER

Description : Nissl bodies are mainly composed of (1) Proteins and lipids (2) DNA and RNA (3) Nucleic acids and SER (4) Free ribosomes and RER

Last Answer : (4) Free ribosomes and RER

Some viruses have RNA but no DNA. This would indicate that– (1) these viruses cannot replicate (2) these viruses have no heritable information (3) RNA transmits the hereditary information in these viruses (4) their nucleic acids can be crystallised

Description : Some viruses have RNA but no DNA. This would indicate that– (1) these viruses cannot replicate (2) these viruses have no heritable information (3) RNA transmits the hereditary information in these viruses (4) their nucleic acids can be crystallised

Last Answer : these viruses have no heritable information

Assertion (A) `:` Replication and transcription occur in the nucleus but translation occurs in the cytoplasm. Reason (R ) `:` m-RNA is transferred fro

Description : Assertion (A) `:` Replication and transcription occur in the nucleus but translation occurs in the cytoplasm. Reason (R ) `:` m-RNA is transferred fro

Last Answer : Assertion (A) `:` Replication and transcription occur in the nucleus but translation occurs in the ... D. If both assertion and reason are false.

my green bean plants have mosaic virus, is it safe to eat the beans?

Description : my green bean plants have mosaic virus, is it safe to eat the beans?

Last Answer : Need Answer