12th Grade > Biology
BIOTECHNOLOGY AND ITS APPLICATIONS MCQs
Total Questions : 63
| Page 3 of 7 pages
Answer: Option B. -> Transgenesis
:
B
The phenomenon of introducing exogenous DNA or DNA from another organism into the genome of plant or animal is called transgenesis. The foreign DNA introduced in this process is called a transgene and the animal in which it is introduced is called a transgenic animal.
:
B
The phenomenon of introducing exogenous DNA or DNA from another organism into the genome of plant or animal is called transgenesis. The foreign DNA introduced in this process is called a transgene and the animal in which it is introduced is called a transgenic animal.
Answer: Option B. -> Adenosine Deaminase Deficiency
:
B
The first successful clinical gene therapy was given in 1990 to a 4-year old girl with adenosine deaminase (ADA) deficiency. This enzyme is crucial for the immune system to function.
:
B
The first successful clinical gene therapy was given in 1990 to a 4-year old girl with adenosine deaminase (ADA) deficiency. This enzyme is crucial for the immune system to function.
Answer: Option D. -> All of the these
:
D
Gene therapy is used to treatgenetic disorders resulting due to the presenceof anonfunctional gene copy. In this case, functional genes are inserted into the cells or tissue of a patient and then those cells are delivered to the patient to compensate for the effects of the non-functional gene.
:
D
Gene therapy is used to treatgenetic disorders resulting due to the presenceof anonfunctional gene copy. In this case, functional genes are inserted into the cells or tissue of a patient and then those cells are delivered to the patient to compensate for the effects of the non-functional gene.
Answer: Option C. -> Male pronucleus
:
C
The egg and the sperm fuse to form a zygote.The zygote stage is very brief. In the zygote we have the male and female pronucleus.The transgene is added to the male pronucleus as it is bigger. After this, the male and the femal pronuclei fuse and further divide to form the embryo which is then implanted into a surrogate mother to develop further into a full fledged organism.
:
C
The egg and the sperm fuse to form a zygote.The zygote stage is very brief. In the zygote we have the male and female pronucleus.The transgene is added to the male pronucleus as it is bigger. After this, the male and the femal pronuclei fuse and further divide to form the embryo which is then implanted into a surrogate mother to develop further into a full fledged organism.
Answer: Option B. -> Dr. MS Swaminathan
:
B
Dr. MS Swaminathan is known as the ‘Indian Father of Green Revolution’ for his leadership and success in introducing and further developing high-yielding varieties of food grains in India. The extensive work done by him and his team in this field helped India become self-sufficient in the production of food grains, especially Wheat.
:
B
Dr. MS Swaminathan is known as the ‘Indian Father of Green Revolution’ for his leadership and success in introducing and further developing high-yielding varieties of food grains in India. The extensive work done by him and his team in this field helped India become self-sufficient in the production of food grains, especially Wheat.
Answer: Option D. -> all of these
:
D
In 1997 the first transgenic cow Rosie produced human protein-enriched milk (2.4 grams per litre). The milk contained the human protein alpha-lactalbumin and was nutritionally a more balanced product for consumption by human babies than natural cow-milk.
:
D
In 1997 the first transgenic cow Rosie produced human protein-enriched milk (2.4 grams per litre). The milk contained the human protein alpha-lactalbumin and was nutritionally a more balanced product for consumption by human babies than natural cow-milk.
Answer: Option B. -> Genetic Engineering Approval Committee
:
B
The indian government has set up organizations such as the genetic engineering approval committee (GEAC) to make decisions regarding the validity of GM research and safety of introducing GM organisms for public services in India.
:
B
The indian government has set up organizations such as the genetic engineering approval committee (GEAC) to make decisions regarding the validity of GM research and safety of introducing GM organisms for public services in India.
Answer: Option A. -> Finn dorset ewe and Scottish blackface ewe
:
A
Dolly was cloned using the process of nuclear transfer. Threefemale sheep were used to produce the clone.The udder cell from a finn Dorset was taken. This is a somatic cell. The nucleus was removed and then inserted into an enucleated egg cell from a scottish blackface ewe. This zygote was allowed to develop into an embryo and then introduced into theuterus of another scottish blackface ewe. Even though the enucleated egg cell and the surrogate mother both were blackface ewes the offspring dolly was born as a Finn Dorset.
:
A
Dolly was cloned using the process of nuclear transfer. Threefemale sheep were used to produce the clone.The udder cell from a finn Dorset was taken. This is a somatic cell. The nucleus was removed and then inserted into an enucleated egg cell from a scottish blackface ewe. This zygote was allowed to develop into an embryo and then introduced into theuterus of another scottish blackface ewe. Even though the enucleated egg cell and the surrogate mother both were blackface ewes the offspring dolly was born as a Finn Dorset.
Answer: Option C. -> Viruses
:
C
In 1921, Banting and Best first isolated insulin from fetal calves. Later, pigs and cows became the two major sources of insulin. This was at the time when genetic engineering was yet to be developed and insulin for humans was extracted from animal sources. This was extremely expensive and the quantity was very low.
Now, genetic engineering has enabled us to produce mammalian insulin from GM bacteria.
Viruses cannot be grown in synthetic medium andhijack the host splicing machinery to process their RNA segments hence they cannot be used for the production of biological products.
:
C
In 1921, Banting and Best first isolated insulin from fetal calves. Later, pigs and cows became the two major sources of insulin. This was at the time when genetic engineering was yet to be developed and insulin for humans was extracted from animal sources. This was extremely expensive and the quantity was very low.
Now, genetic engineering has enabled us to produce mammalian insulin from GM bacteria.
Viruses cannot be grown in synthetic medium andhijack the host splicing machinery to process their RNA segments hence they cannot be used for the production of biological products.
Answer: Option C. -> Only i, iii and iv
:
C
Useful biological products are obtained from transgenic animals to treat diseases like Emphysema, Cystic fibrosis and Phenylketonuria. The treatment of AIDS is the use of antivirals that are not obtained from transgenic animals.
:
C
Useful biological products are obtained from transgenic animals to treat diseases like Emphysema, Cystic fibrosis and Phenylketonuria. The treatment of AIDS is the use of antivirals that are not obtained from transgenic animals.
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