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DAILY STATIC QUIZ will cover all the topics of Static/Core subjects – Polity, History, Geography, Economics, Environment and Science and technology.
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Consider the following statements:
Which of the statements given above is/are NOT CORRECT?
Solution (c)
Exonucleases remove nucleotides from the ends of the DNA.
Hence Statement 1 is incorrect.
Endonucleases make cuts at specific positions within the DNA.
Hence Statement 2 is incorrect.
Solution (c)
Exonucleases remove nucleotides from the ends of the DNA.
Hence Statement 1 is incorrect.
Endonucleases make cuts at specific positions within the DNA.
Hence Statement 2 is incorrect.
Consider the following statements:
Which of the statements given above is/are correct?
Solution (a)
A plasmid can be used as vector to deliver an alien piece of DNA into the host organism.
Hence Statement 1 is correct.
The cutting of DNA at specific locations became possible with the discovery of the so-called ‘molecular scissors’– restriction enzymes.
Hence Statement 2 is incorrect.
Solution (a)
A plasmid can be used as vector to deliver an alien piece of DNA into the host organism.
Hence Statement 1 is correct.
The cutting of DNA at specific locations became possible with the discovery of the so-called ‘molecular scissors’– restriction enzymes.
Hence Statement 2 is incorrect.
Consider the following statements regarding introduction of alien DNA into host cells:
Which of the statements given above is/are correct?
Solution (b)
In a method known as micro-injection, recombinant DNA is directly injected into the nucleus of an animal cell.
Hence Statement 1 is incorrect.
In another method, suitable for plants, cells are bombarded with high velocity micro particles of gold or tungsten coated with DNA in a method known as biolistics or gene gun.
Hence Statement 2 is correct.
Solution (b)
In a method known as micro-injection, recombinant DNA is directly injected into the nucleus of an animal cell.
Hence Statement 1 is incorrect.
In another method, suitable for plants, cells are bombarded with high velocity micro particles of gold or tungsten coated with DNA in a method known as biolistics or gene gun.
Hence Statement 2 is correct.
Consider the following statements:
Which of the statements given above is/are NOT CORRECT?
Solution (d)
Asexual reproduction preserves the genetic information, while sexual reproduction permits variation.
Hence Statement 1 is correct.
Traditional hybridisation procedures used in plant and animal breeding, very often lead to inclusion and multiplication of undesirable genes along with the desired genes.
Hence Statement 2 is correct.
Solution (d)
Asexual reproduction preserves the genetic information, while sexual reproduction permits variation.
Hence Statement 1 is correct.
Traditional hybridisation procedures used in plant and animal breeding, very often lead to inclusion and multiplication of undesirable genes along with the desired genes.
Hence Statement 2 is correct.
Consider the following statements:
Which of the statements given above is/are correct?
Solution (c)
In a chromosome there is a specific DNA sequence called the origin of replication, which is responsible for initiating replication.
Hence Statement 1 is correct.
An alien DNA is linked with the origin of replication, so that, this alien piece of DNA can replicate and multiply itself in the host organism.
Hence Statement 2 is correct.
Solution (c)
In a chromosome there is a specific DNA sequence called the origin of replication, which is responsible for initiating replication.
Hence Statement 1 is correct.
An alien DNA is linked with the origin of replication, so that, this alien piece of DNA can replicate and multiply itself in the host organism.
Hence Statement 2 is correct.
In which of the parts of a cell, DNA is found?
Solution (a)
Deoxyribonucleic acid DNA is a molecule that carries the genetic instructions used in the growth, development, functioning and reproduction of all known living organisms and many viruses. DNA and RNA are nucleic acid (Found in the nucleus of a cell) ; alongside proteins, lipids and complex carbohydrates (polysaccharides), they are one of the four major types of macromolecules that are essential for all known forms of life.
A small amount of DNA can also be found in Mitochondria.
Solution (a)
Deoxyribonucleic acid DNA is a molecule that carries the genetic instructions used in the growth, development, functioning and reproduction of all known living organisms and many viruses. DNA and RNA are nucleic acid (Found in the nucleus of a cell) ; alongside proteins, lipids and complex carbohydrates (polysaccharides), they are one of the four major types of macromolecules that are essential for all known forms of life.
A small amount of DNA can also be found in Mitochondria.
Consider the following statements regarding IndiGen initiative:
Which of the statements given above is/are correct?
Solution (d)
The initiative was undertaken by The Council of Scientific & Industrial Research (CSIR).
Hence Statement 1 is incorrect.
CSIR has conducted Whole Genome Sequencing of 1,008 Indians from different populations across the country
Hence Statement 2 is incorrect.
Solution (d)
The initiative was undertaken by The Council of Scientific & Industrial Research (CSIR).
Hence Statement 1 is incorrect.
CSIR has conducted Whole Genome Sequencing of 1,008 Indians from different populations across the country
Hence Statement 2 is incorrect.
Consider the following statements.
Which of the above statements is/are correct?
Solution (d)
Cloning of organisms is possible through asexual reproduction.
Hence Statement 1 is incorrect.
In some cases, cloning do occur naturally.
Hence Statement 2 is incorrect.
Solution (d)
Cloning of organisms is possible through asexual reproduction.
Hence Statement 1 is incorrect.
In some cases, cloning do occur naturally.
Hence Statement 2 is incorrect.
Which among the following are examples of biotechnology?
Select the correct answer using the code given below:
Solution (d)
Biotechnology is the use of an organism, or a component of an organism or other biological system, to make a product or process for a specific use.
Solution (d)
Biotechnology is the use of an organism, or a component of an organism or other biological system, to make a product or process for a specific use.
Which of the following statements are correct about DNA and RNA?
Select the correct answer using the code given below:
Solution (d)
Base pairing in case of DNA: A-T (Adenine-Thymine), G-C (Guanine-Cytosine)
Base pairing in case of RNA: A-U (Adenine-Uracil), G-C (Guanine-Cytosine)
Hence Statement 1 is incorrect.
DNA is typically a double- stranded molecule with a long chain of nucleotides. RNA is typically a single-stranded molecule in most of its biological roles and has a shorter chain of nucleotides.
Hence Statement 2 is incorrect.
Solution (d)
Base pairing in case of DNA: A-T (Adenine-Thymine), G-C (Guanine-Cytosine)
Base pairing in case of RNA: A-U (Adenine-Uracil), G-C (Guanine-Cytosine)
Hence Statement 1 is incorrect.
DNA is typically a double- stranded molecule with a long chain of nucleotides. RNA is typically a single-stranded molecule in most of its biological roles and has a shorter chain of nucleotides.
Hence Statement 2 is incorrect.
