Science Quiz 13

1. Genetic changes can be introduced in the cells that produce eggs or sperms of a prospective parent. 
2. A person’s genome can be edited before birth at the early embryonic stage. 
3. Human induced pluripotent stem cells can be injected into the embryo of a pig. 

Which of the statements given above is/are correct?

1. These vaccines are effective against pneumonia as well as meningitis and sepsis. 
2. Dependence on antibiotics that are not effective against drug-resistant bacteria can be reduced. 
3. These vaccines have no side effects and cause no allergic reactions. 

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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. 

Select the correct answer using the code given below.

1. GM Mustard has the genes of the soil bacterium that give the plant the property of pest-resistance to a wide variety of pests. 
2. GM Mustard has the genes that allow the plant cross-pollination and hybridization. 
3. GM mustard has been developed jointly by the IARI and Punjab Agricultural University. 

Which of the statements given above is/are correct?

1. Genome sequencing can be used to identify genetic markers for 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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