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Recent questions tagged class 12
Questions
Indians have been producing and utilizing basmati rice, turmeric, neem etc. How can they be protected from biopiracy? Who is authorized to amend the rule? Name the basmathi rice that was patented by the USA in a different name.
cbsc
class 12
biology
biodiversity and its applications
sec-c
asked
Apr 9, 2019
by
priyanka.clay6
1
answer
Turmeric is being used as a traditional medicine by Indians for a long time. The genetic material of this species was taken out of the country and a hybrid variety created. This 'New' variety was claimed as an invention by them. <br> a. Do you think it is an invention ? <br> b. How could we have restricted the movement of this material ? <br> c. What term is used for such an act?
cbsc
class 12
biology
biodiversity and its applications
sec-c
asked
Apr 9, 2019
by
priyanka.clay6
1
answer
A 4-year old girl suffered from ADA deficiency. She was cured by inserting a correct gene into her. <br> a. What is this process called? <br> b. In which cells are the genes introduced ? <br> c. Name the vector used to introduce the gene?
cbsc
class 12
biology
biodiversity and its applications
sec-c
asked
Apr 9, 2019
by
priyanka.clay6
1
answer
Why should farmers in India cultivate GM crops?
cbsc
class 12
biology
biodiversity and its applications
sec-c
asked
Apr 9, 2019
by
priyanka.clay6
1
answer
How does agro bacterium help to increase Tobacco production?
cbsc
class 12
biology
biodiversity and its applications
sec-c
asked
Apr 9, 2019
by
priyanka.clay6
1
answer
What are the potential risks of using GM food?
cbsc
class 12
biology
biodiversity and its applications
sec-c
asked
Apr 9, 2019
by
priyanka.clay6
1
answer
What are the advantages of Molecular diagnosis technique?
cbsc
class 12
biology
biodiversity and its applications
sec-c
asked
Apr 9, 2019
by
priyanka.clay6
1
answer
What is the main advantage of producing genetically engineered insulin?
cbsc
class 12
biology
biodiversity and its applications
sec-c
asked
Apr 9, 2019
by
priyanka.clay6
1
answer
Why do we still search for other alternatives to increase food production?
cbsc
class 12
biology
biodiversity and its applications
sec-b
asked
Apr 9, 2019
by
priyanka.clay6
1
answer
What are the functions of enzymes isolated by Stewart Linn and Werner Arber?
cbsc
class 12
biology
biodiversity and its applications
sec-b
asked
Apr 9, 2019
by
priyanka.clay6
1
answer
Differentiate ‘Cry’ and ‘cry’
cbsc
class 12
biology
biodiversity and its applications
sec-b
asked
Apr 9, 2019
by
priyanka.clay6
1
answer
Give one word for the following:- <br>a. RNAi <br>b. Preventing mRNA translation <br> c. Mobile genetic element <br> d. Sequence of base pairs that needs same on the 2 strands
cbsc
class 12
biology
biodiversity and its applications
sec-b
asked
Apr 9, 2019
by
priyanka.clay6
1
answer
One of the easily manipulated plasmid used as a vector is pBR 322. What is the letter p, B, R and 322 signify?
cbsc
class 12
biology
biodiversity and its applications
sec-b
asked
Apr 9, 2019
by
priyanka.clay6
1
answer
The source of EcoR I restriction enzyme is E-coli RY 13. <br> a. Give the sticky end of this bacteria <br> b. Name the source of EcoR II
cbsc
class 12
biology
biodiversity and its applications
sec-b
asked
Apr 9, 2019
by
priyanka.clay6
1
answer
What is the basis upon which the discipline of Biotechnology was founded by Boyer and Cohen?
cbsc
class 12
biology
biodiversity and its applications
sec-b
asked
Apr 9, 2019
by
priyanka.clay6
1
answer
What merits do the products made using Biotechnology have? Give an example of one such product used in treatment ?
cbsc
class 12
biology
biodiversity and its applications
sec-b
asked
Apr 9, 2019
by
priyanka.clay6
1
answer
What problem was faced in production of insulin by rDNA technology and how was it resolved?
cbsc
class 12
biology
biodiversity and its applications
sec-b
asked
Apr 9, 2019
by
priyanka.clay6
1
answer
Mention two applications of biotechnology in medicine with examples.
cbsc
class 12
biology
biodiversity and its applications
sec-b
asked
Apr 9, 2019
by
priyanka.clay6
1
answer
Name four application of biotechnology.
cbsc
class 12
biology
biodiversity and its applications
sec-b
asked
Apr 9, 2019
by
priyanka.clay6
1
answer
How is use of r DNA better than using traditional methods of agriculture?
cbsc
class 12
biology
biodiversity and its applications
sec-b
asked
Apr 9, 2019
by
priyanka.clay6
1
answer
How are transgenic animals made useful in chemical safety testing and studying diseases?
cbsc
class 12
biology
biodiversity and its applications
sec-b
asked
Apr 9, 2019
by
priyanka.clay6
1
answer
Dr.Arun developed a vitamin A rich potato through his research on genetics. <br> a. What do you call such potato plants ? <br> b. Who can approve the validity and safety of introducing potato for public uses.
cbsc
class 12
biology
biodiversity and its applications
sec-b
asked
Apr 9, 2019
by
priyanka.clay6
1
answer
Bt toxins are insect group specific. The toxin is coded by a gene named cry. How does the genes cry IAc differ from cry IAb?
cbsc
class 12
biology
biodiversity and its applications
sec-b
asked
Apr 9, 2019
by
priyanka.clay6
1
answer
The bacillus is not killed even after the application of insecticidal protein which is toxic. Comment.
cbsc
class 12
biology
biodiversity and its applications
sec-b
asked
Apr 9, 2019
by
priyanka.clay6
1
answer
Some cotton plants grown by farmers are known as "Bt cotton". <br> a. What does Bt stand for ? <br> b. What is the advantage of this cotton plant ? <br> c. How did scientists achieve this ?
cbsc
class 12
biology
biodiversity and its applications
sec-b
asked
Apr 9, 2019
by
priyanka.clay6
1
answer
GEAC is one of the organizations set up by Indian government. Write its full form and give its two objectives.
cbsc
class 12
biology
biodiversity and its applications
sec-b
asked
Apr 9, 2019
by
priyanka.clay6
1
answer
How is a probe used in molecular diagnosis?
cbsc
class 12
biology
biodiversity and its applications
sec-b
asked
Apr 9, 2019
by
priyanka.clay6
1
answer
Can a disease be detected before the appearance of its symptoms.
cbsc
class 12
biology
biodiversity and its applications
sec-b
asked
Apr 9, 2019
by
priyanka.clay6
1
answer
Thermostable DNA polymerase is needed in amplification? Why?
cbsc
class 12
biology
biodiversity and its applications
sec-a
asked
Apr 9, 2019
by
priyanka.clay6
1
answer
Eukaryotic organisms do not have restriction endonuclease. What is its role in prokaryotes?
cbsc
class 12
biology
biodiversity and its applications
sec-a
asked
Apr 9, 2019
by
priyanka.clay6
1
answer
Out of 51 amino acids in insulin. How many amino acids present in chain A and B.
cbsc
class 12
biology
biodiversity and its applications
sec-a
asked
Apr 9, 2019
by
priyanka.clay6
1
answer
Name the Genetically engineered human insulin. How many amino acids are present in it?
cbsc
class 12
biology
biodiversity and its applications
sec-a
asked
Apr 9, 2019
by
priyanka.clay6
1
answer
Bioreactors are important aspect of Bio technology. How?
cbsc
class 12
biology
biodiversity and its applications
sec-a
asked
Apr 9, 2019
by
priyanka.clay6
1
answer
Which enzyme is used to remove phosphate group from the 5’ end of a DNA molecule
cbsc
class 12
biology
biodiversity and its applications
sec-a
asked
Apr 9, 2019
by
priyanka.clay6
1
answer
Does your blood have proteases and nuclease? If so what is its function?
cbsc
class 12
biology
biodiversity and its applications
sec-a
asked
Apr 9, 2019
by
priyanka.clay6
1
answer
What is golden rice ?
cbsc
class 12
biology
biodiversity and its applications
sec-a
asked
Apr 9, 2019
by
priyanka.clay6
1
answer
Can you recall meiosis and indicate at what stage a recombinant DNA in made?
cbsc
class 12
biology
biodiversity and its applications
sec-a
asked
Apr 9, 2019
by
priyanka.clay6
1
answer
What is common in the recognition sequence of all the organisms and strains, which are recognized by restriction enzymes.
cbsc
class 12
biology
biodiversity and its applications
sec-a
asked
Apr 9, 2019
by
priyanka.clay6
1
answer
Give the term for increasing the content of gene.
cbsc
class 12
biology
biodiversity and its applications
sec-a
asked
Apr 9, 2019
by
priyanka.clay6
1
answer
Give the term for replacing a defective mutant allele with a functional allele.
cbsc
class 12
biology
biodiversity and its applications
sec-a
asked
Apr 9, 2019
by
priyanka.clay6
1
answer
Give the term for rDNA, PCR and ELISA have common value.
cbsc
class 12
biology
biodiversity and its applications
sec-a
asked
Apr 9, 2019
by
priyanka.clay6
1
answer
State the principle used in ELISA?
cbsc
class 12
biology
biodiversity and its applications
sec-a
asked
Apr 9, 2019
by
priyanka.clay6
1
answer
Name the diagnostic test for AIDS when the concentration of HIV is (a) low (b) high.
cbsc
class 12
biology
biodiversity and its applications
sec-a
asked
Apr 9, 2019
by
priyanka.clay6
1
answer
PCR is a powerful diagnostic technique. Justify.
cbsc
class 12
biology
biodiversity and its applications
sec-a
asked
Apr 9, 2019
by
priyanka.clay6
1
answer
Why do we use GM to create tailor made plants?
cbsc
class 12
biology
biodiversity and its applications
sec-a
asked
Apr 9, 2019
by
priyanka.clay6
1
answer
A species of Solanum is intolerant to salty soil. How will you make the species tolerant to the given abiotic stress?
cbsc
class 12
biology
biodiversity and its applications
sec-a
asked
Apr 9, 2019
by
priyanka.clay6
1
answer
"The Green Revolution has been achieved due to the use of improved crop varieties and agro chemicals, but it is still not enough to feed the growing population". Suggest a suitable method of agriculture to meet the demand.
cbsc
class 12
biology
biodiversity and its applications
sec-a
asked
Apr 9, 2019
by
priyanka.clay6
1
answer
The insulin produced by using recombinant DNA technology is more advantageous than the insulin extracted from the pancreas of slaughtered pigs. How?
cbsc
class 12
biology
biodiversity and its applications
sec-a
asked
Apr 9, 2019
by
priyanka.clay6
1
answer
The first transgenic cow,produced human protein enriched milk. Name the cow and protein found in the milk.
cbsc
class 12
biology
biodiversity and its applications
sec-a
asked
Apr 9, 2019
by
priyanka.clay6
1
answer
Name the technique based on the principles of antigen-antibody interaction used in the detection of virus.
cbsc
class 12
biology
biodiversity and its applications
sec-a
asked
Apr 9, 2019
by
priyanka.clay6
1
answer
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