Holography has applications in which of the following?

1. Data storage
2. Prevention of counterfeiting
3. Destruction of cancerous cells
4. Detection of kidney stones

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Consider the following rivers:

1. Betwa
2. Chambal
3. Sone

Which of the above join river Yamuna?

It is known that the yellow pigment curcumin in turmeric powder helps the body cells to resist the infections. Recently, its exact action has been discovered. In this context which of the following statements is/are correct?

1. Curcumin stimulates the rapid multiplication of WBC that destroy the infectious microorganisms.
2. Curcumin molecules insert themselves into cell membranes and make the membranes resistant to invading microorganisms.
3. Curcumin stimulates the rapid synthesis of antibodies against the invading microorganisms.

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Match List I with List II and select the correct answer using the code given below the lists

Match List I with List II and select the correct answer using the code given below the lists

Which of the following can help in reducing the carbon footprint?

1. Using fly-ash based cement in building construction.
2. Using LED-based electric lamps instead of incandescent lamps.

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