Subject: “Genetics,Biotechnology”

Mycorrhizal biotechnology has been used in rehabilating degraded sites because mycorrhiza enables the plants to
(1). resist drought and increase absorptive area
(2). tolerate extremes of pH
(3). resist disease infestation
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Recombinant DNA technology (Genetic Engineering) allows genes to be transferred
(1). across different species of plants
(2). from animals to plants
(3). from microorganisms to higher organisms
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In the context of the developments in Bioinformatics, the term ‘transcriptome’, sometimes
seen in the news, refers to

What is the application of Somatic Cell Nuclear Transfer Technology?

With reference to agriculture in India, how can the technique of `genome sequencing’, often seen in the news, be used in the immediate future?
1. Genome sequencing can be used to identify genetic markers far disease resistance and
drought tolerance in various crop plants.
2. This technique helps in reducing the time required to develop new varieties of crop
plants.
3. It can be used to decipher the host-pathogen relationships in crops.
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‘RNA interference (RNAi)’ technology has gained popularity in the last few years. Why?

1. It is used in developing gene silencing therapies.
2. It can be used in developing therapies for-the treatment of cancer.
3. It can be used to develop hormone replacement therapies.
4. It can be used to produce crop plants that are resistant to viral pathogens.

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With reference to the recent developments in science, which one of the following statements is not correct?

Which of the following are the reasons for the occurrence of multi-drug resistance in microbial pathogens in India?

1. Genetic predisposition of some people
2. Taking incorrect doses of antibiotics to cure diseases
3. Using antibiotics in livestock farming
4. Multiple chronic diseases in some people
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The word ‘Denisovan’ is sometimes mentioned in media in reference to

What is Cas9 protein that is often mentioned in news?