Science Quiz 14

1. Targeted drug delivery is made possible by nanotechnology 
2. Nanotechnology can largely contribute to gene therapy 

Select the correct answer using the code given below.

1. Budding and grafting in fruit plants 
2. Cytoplasmic male sterility 
3. Gene silencing 

Which of the above is/are used to create transgenic crops?

1. Across different species of plants 
2. From animals to plants 
3. From microorganisms to higher organisms 

Select the correct answer using the codes given below.

1. Resist drought and increase absorptive area 
2. Tolerate extremes of pH 
3. Resist disease infestation 

Select the correct answer using the codes given below.

1. Bt brinjal has been created by inserting a gene from a soil fungus into its genome. 
2. The seeds of Bt brinjal are terminator seeds and therefore, the farmers have to buy the seeds before every season from the seed companies. 
3. There is an apprehension that the consumption of Bt brinjal may have an adverse impact on health. 
4. There is some concern that the introduction of Bt brinjal may have an adverse effect on biodiversity. 

Select the correct answer using the codes given below:

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:

1. To enable them to withstand drought 
2. To increase the nutritive value of the produce 
3. To enable them to grow and do photosynthesis in spaceships and space stations 
4. To increase their shelf life 

Select the correct answer using the codes given below:

1. It is possible to know the pedigree of livestock. 
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 given above is/are correct?