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All questions of Biotechnology and its applications for NEET Exam
Which of the following is not applicable for a biopatent?- a)Formation of new products
- b)Unearthing the DNA sequences
- c)Discovery of cell lines
- d)Using the existing technology to produce new products
Correct answer is option 'C'. Can you explain this answer?
Which of the following is not applicable for a biopatent?
a)
Formation of new products
b)
Unearthing the DNA sequences
c)
Discovery of cell lines
d)
Using the existing technology to produce new products
 | Geetika Shah answered |
A biological patent is a patent on an invention in the field of biology that by law allows the patent holder to exclude others from making, using, selling, or importing the protected invention for a limited period of time. Hence, the correct option is c.
Insect resistance transgenic cotton has been produced by inserting a piece of DNA from- a)A virus
- b)A bacterium
- c)A wild relative of cotton
- d)An insect
Correct answer is option 'B'. Can you explain this answer?
Insect resistance transgenic cotton has been produced by inserting a piece of DNA from
a)
A virus
b)
A bacterium
c)
A wild relative of cotton
d)
An insect
 | Syed Saif answered |
Bacillus killing the larvae of flour moths in Germany and published a description of the bacterium and its … Mycogen, another small biotechnology firm, instead cloned Bt genes and expressed them in an alternate host, Pseudomonas fluorescens, a bacterial species common in transgenic cotton.
Which of the following is an advantage of transgenesis?- a)Study of diseases and gene therapy
- b)Increased production of biological products
- c)Vaccine safety testing
- d)All of the above
Correct answer is option 'D'. Can you explain this answer?
Which of the following is an advantage of transgenesis?
a)
Study of diseases and gene therapy
b)
Increased production of biological products
c)
Vaccine safety testing
d)
All of the above
| | Akshitha answered |
Option Dis correct coz all the option true regarding transgensis
A transgenic food crop which may help in solving the problem of night blindness in developing countries is- a)Bt soybean
- b)Flavrsavr tomatoes
- c)Golden rice
- d)Starlink maize
Correct answer is option 'C'. Can you explain this answer?
A transgenic food crop which may help in solving the problem of night blindness in developing countries is
a)
Bt soybean
b)
Flavrsavr tomatoes
c)
Golden rice
d)
Starlink maize
 | Chirag Ghosh answered |
Golden Rice as a solution to night blindness
Golden Rice is a genetically modified rice variety that has been developed to help combat vitamin A deficiency, which can lead to night blindness and other health problems in developing countries. The rice is genetically modified to produce beta-carotene, a precursor to vitamin A, which is not naturally found in traditional rice varieties.
How does Golden Rice work?
Golden Rice is genetically engineered to produce beta-carotene in the endosperm of the rice grain, which is the part of the plant that is eaten. Beta-carotene is a pigment that gives fruits and vegetables their orange or yellow color, and it is also a precursor to vitamin A. When humans consume beta-carotene, it is converted to vitamin A in the body.
Why is Golden Rice important?
Vitamin A deficiency is a serious health problem in many developing countries, particularly in Southeast Asia and Africa. According to the World Health Organization, an estimated 250 million preschool children are vitamin A deficient, and it is estimated that between 250,000 and 500,000 malnourished children become blind every year due to vitamin A deficiency. Golden Rice is one potential solution to this problem, as it provides a source of beta-carotene that can be converted to vitamin A in the body.
Conclusion
Golden Rice is a promising solution to the problem of vitamin A deficiency in developing countries, which can lead to night blindness and other health problems. While there is still some controversy surrounding genetically modified crops, Golden Rice has the potential to make a significant impact on the health and well-being of millions of people around the world.
Golden Rice is a genetically modified rice variety that has been developed to help combat vitamin A deficiency, which can lead to night blindness and other health problems in developing countries. The rice is genetically modified to produce beta-carotene, a precursor to vitamin A, which is not naturally found in traditional rice varieties.
How does Golden Rice work?
Golden Rice is genetically engineered to produce beta-carotene in the endosperm of the rice grain, which is the part of the plant that is eaten. Beta-carotene is a pigment that gives fruits and vegetables their orange or yellow color, and it is also a precursor to vitamin A. When humans consume beta-carotene, it is converted to vitamin A in the body.
Why is Golden Rice important?
Vitamin A deficiency is a serious health problem in many developing countries, particularly in Southeast Asia and Africa. According to the World Health Organization, an estimated 250 million preschool children are vitamin A deficient, and it is estimated that between 250,000 and 500,000 malnourished children become blind every year due to vitamin A deficiency. Golden Rice is one potential solution to this problem, as it provides a source of beta-carotene that can be converted to vitamin A in the body.
Conclusion
Golden Rice is a promising solution to the problem of vitamin A deficiency in developing countries, which can lead to night blindness and other health problems. While there is still some controversy surrounding genetically modified crops, Golden Rice has the potential to make a significant impact on the health and well-being of millions of people around the world.
A GM crop is _______- a)mature crop
- b)infected crop
- c)raised to green manure
- d)transgenic crop
Correct answer is option 'D'. Can you explain this answer?
A GM crop is _______
a)
mature crop
b)
infected crop
c)
raised to green manure
d)
transgenic crop
 | Lead Academy answered |
GM stands for Genetically Modified.
- A GM crop is a transgenic crop in which the genes of the desired crop are changed by manipulations using various methods.
- This method gives a high yield without waste of crops.
An important objective of biotechnology in the area of agriculture is ________- a)to decrease seed number
- b)to produce pest-resistant varieties of plants
- c)to increase phosphorous, nitrogen production
- d)to reduce the number of plants
Correct answer is option 'B'. Can you explain this answer?
An important objective of biotechnology in the area of agriculture is ________
a)
to decrease seed number
b)
to produce pest-resistant varieties of plants
c)
to increase phosphorous, nitrogen production
d)
to reduce the number of plants
 | EduRev NEET answered |
An important objective of biotechnology in the area of agriculture is to produce pest-resistant varieties of plants.
- This will help in less wasting of crops with high yield.
- It will also give more products in less time and space.
What is the term used for isolated cells from plants that have had their cell walls digested and are surrounded by plasma membranes?- a)Protoplasts
- b)Meristems
- c)Hybrids
- d)Somaclones
Correct answer is option 'A'. Can you explain this answer?
What is the term used for isolated cells from plants that have had their cell walls digested and are surrounded by plasma membranes?
a)
Protoplasts
b)
Meristems
c)
Hybrids
d)
Somaclones
 | Stepway Academy answered |
Isolated cells from plants that have had their cell walls digested and are surrounded by plasma membranes are called "protoplasts."
What is the primary objective of gene therapy?- a)To replace healthy genes with defective ones.
- b)To cure genetic diseases using normal genes.
- c)To remove all genes from an individual.
- d)To prevent the occurrence of genetic diseases.
Correct answer is option 'B'. Can you explain this answer?
What is the primary objective of gene therapy?
a)
To replace healthy genes with defective ones.
b)
To cure genetic diseases using normal genes.
c)
To remove all genes from an individual.
d)
To prevent the occurrence of genetic diseases.
| | Stepway Academy answered |
- Gene therapy aims to treat genetic diseases by introducing normal genes into an individual to compensate for the non-functional or defective genes.
- This can potentially cure genetic disorders.
Transgenic plants are the ones- a)Produced by a somatic embryo in artificial medium
- b)Produced after protoplast fusion in artificial medium
- c)Generated by introducing foreign DNA into a cell and regenerating a plant from the cell
- d)Grown in artificial medium after hybridization in the field
Correct answer is option 'C'. Can you explain this answer?
Transgenic plants are the ones
a)
Produced by a somatic embryo in artificial medium
b)
Produced after protoplast fusion in artificial medium
c)
Generated by introducing foreign DNA into a cell and regenerating a plant from the cell
d)
Grown in artificial medium after hybridization in the field
| | Awantika Gupta answered |
Transgenic plants are obtained by genetic engineering.
e.g. like Cotton, Flavr savar tomato, Brassica napus, Golden rice etc
e.g. like Cotton, Flavr savar tomato, Brassica napus, Golden rice etc
What is the role of adenosine deaminase (ADA) in the immune system?- a)It helps with digestion.
- b)It is involved in muscle contraction.
- c)It is crucial for the immune system to function.
- d)It regulates blood pressure.
Correct answer is option 'C'. Can you explain this answer?
What is the role of adenosine deaminase (ADA) in the immune system?
a)
It helps with digestion.
b)
It is involved in muscle contraction.
c)
It is crucial for the immune system to function.
d)
It regulates blood pressure.
| | Stepway Academy answered |
ADA is crucial for the immune system to function, as it plays a vital role in the development and maintenance of immune cells.
Which components are essential in the nutrient medium used for tissue culture?- a)Organic acids and growth hormones
- b)Sugars and amino acids
- c)Carbon source, inorganic salts, vitamins, amino acids, and growth regulators
- d)Water and minerals
Correct answer is option 'C'. Can you explain this answer?
Which components are essential in the nutrient medium used for tissue culture?
a)
Organic acids and growth hormones
b)
Sugars and amino acids
c)
Carbon source, inorganic salts, vitamins, amino acids, and growth regulators
d)
Water and minerals
| | Lead Academy answered |
The nutrient medium for tissue culture must contain a carbon source (such as sucrose) and also inorganic salts, vitamins, amino acids, and growth regulators like auxins and cytokinins.
______ in 1983 used recombinant DNA technology to produce insulin.- a)Eli Lilly
- b)Emily Lilly
- c)Lilly Rose
- d)Amy Sanger
Correct answer is option 'A'. Can you explain this answer?
______ in 1983 used recombinant DNA technology to produce insulin.
a)
Eli Lilly
b)
Emily Lilly
c)
Lilly Rose
d)
Amy Sanger
| | EduRev NEET answered |
- In 1983 Lilly Company of America that was founded by Eli Lilly used recombinant DNA technology to produce insulin.
- This insulin was obtained from a microorganism.
What term is used to describe plants that are genetically identical to the original plant from which they were grown through tissue culture?- a)Hybrid plants
- b)Mutants
- c)Clones
- d)Somaclones
Correct answer is option 'D'. Can you explain this answer?
What term is used to describe plants that are genetically identical to the original plant from which they were grown through tissue culture?
a)
Hybrid plants
b)
Mutants
c)
Clones
d)
Somaclones
| | Stepway Academy answered |
Plants that are genetically identical to the original plant from which they were grown through tissue culture are called "somaclones."
What technology was developed to address the limitations of traditional breeding techniques in crop improvement?- a)Genetic modification
- b)Tissue culture
- c)Hybridization
- d)Biotechnology
Correct answer is option 'B'. Can you explain this answer?
What technology was developed to address the limitations of traditional breeding techniques in crop improvement?
a)
Genetic modification
b)
Tissue culture
c)
Hybridization
d)
Biotechnology
| | Lead Academy answered |
- Tissue culture is the technology that was developed to address the limitations of traditional breeding techniques in crop improvement.
- It allows for the regeneration of whole plants from small plant parts, known as explants, under sterile conditions in nutrient media.
What is the term used to describe the ability of a plant cell to regenerate a whole plant from any part?- a)Cloning
- b)Totipotency
- c)Micro-propagation
- d)Somacloning
Correct answer is option 'B'. Can you explain this answer?
What is the term used to describe the ability of a plant cell to regenerate a whole plant from any part?
a)
Cloning
b)
Totipotency
c)
Micro-propagation
d)
Somacloning
 | Ambition Institute answered |
Totipotency refers to the capability of a single cell to divide and produce all the differentiated cells in an organism, allowing it to regenerate a whole plant from any part.
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