What is Cas9 protein that is often mentioned in news?

With reference to 'stem cells' which of the following statements 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:

Genetically Modified (GM) crops contain modified genetic material due to:

1. Introduction of new DNA.
2. Removal of existing DNA.
3. Introduction of new RNA.
4. Introduction of new traits.

Which of the above statements are correct?

Consider the following:

1. Lessening of greenhouse gas emission.
2. Substitutes for fossil fuels.
3. Preparation of effective vaccines.

Which of the above mentioned is/are uses (or applications) of biotechnology? 

DNA can be damaged by:

1. UV radiations.
2. Free radicals.
3. Carcinogenic substances.

Select the correct answer using the codes given below:

Consider the following:

1. Patenting of Cancer drugs.
2. Patenting of Neem.
3. Patenting of handloom products.
4. Patenting of Basmati Rice.

Which of the above mentioned is/are examples of Biopiracy?

Consider the following statements about GEAC (Genetic Engineering Approval Committee):

1. It functions as a statutory body under the Environment Protection Act 1986.
2. It is responsible for approval of activities involving large scale use of hazardous living micro-organisms.
3. It also has the power for approval of proposals relating to release of genetically engineered organisms excluding experimental field trails.

Which of the statements given above is/are correct?

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?