
Assertion (A) Vector is very useful in recombinant DNA technology.
Reason (R) Vector is a tool that carries a foreign DNA molecule to the living cell.


Important Questions on Science & Technology
1. Antibiotic resistance in microorganisms present in alimentary canal.
2. Allergic reaction.
3. Toxicity
Which of the above risk(s) is/are associated with genetically modified food?


1. Noori is the world's first cloned Pashmina goat.
2. It was developed by the scientists at the Sher-e-kashmir Agriculture University for Science and Technology on March 9, 2012.
Which of the following statement(s) given above is/are correct?

Lower India's dependence on fossil oil.
Reduce fuel import bill.
Select the correct answer using the codes given below.

At present, scientists can determine the arrangement or relative positions of genes or DNA sequences on a chromosome. How does this knowledge benefit us?
1. It is possible to know the pedigree of live stock.
2. It is possible to understand the causes of all human diseases.
3. It is possible to develop disease-resistant animal breeds.
Which of the statements above given is/are correct?


With reference to the latest developments in stem cell research, consider the following statements.
1. The only source of human stem cells are the embryos at blastocyst stage.
2. The stem cells can be derived without causing destruction to blastocysts.
3. The stem cells can regenerate themselves in vitro virtually forever.
4. Indian research centres also created a few cell lines, which can be developed into many types.
Which of these statements are correct?

With the reference to stem cells, frequently in the news, which of the following statement(s) is/are correct?
1. Stem cells can be derived from mammals only.
2. Stem cells can be used for screening new drugs.
3. Stem cells can be used for medical therapies.
Select the correct answer using the codes given below:
