Saleha Pervez, Mansi Garg and, Poonam Singh Solutions for Chapter: Previous Year's Questions, Exercise 1: SOLVED PAPERS SET 1

Why does the Government of India promote the use of ‘Neem-coated Urea’ in agriculture?

‘Net metering’ is sometimes seen in the news in the context of promoting the_____.

Which one of the following is the best description of ‘INS Astradharini’ in the news recently?

What is ‘Greased Lightning-10 (GL-10); recently in the news?

The H1N1 virus is sometimes mentioned in the news with reference to which one of the following diseases?

With reference to ‘Near Field Communication (NFC) Technology’, which of the following statements is/are correct?

1. It is a contactless communication technology that uses electromagnetic radio fields.

2. NFC is designed 'for use by devices which can be at a distance of even a metre from each other.

3. NFC can use encryption when sending sensitive information.

Select the correct answer using the codes given below:

What can be the impact of excessive/inappropriate use of nitrogenous fertilizers in agriculture?

1. The proliferation of nitrogen-fixing microorganisms in soil can occur.

2. Increase in the acidity of soil can take place.

3. Leaching of nitrate to the groundwater can occur.

Select the correct answer using the codes given below:

With reference to the use of nanotechnology in the health sector, which of the following statements is/are correct?

1. Targeted drug delivery is made possible by nanotechnology.

2. Nanotechnology can largely contribute to gene therapy.

Select the correct answer using the codes given below: