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Suggest any two techniques which can hel...

Suggest any two techniques which can help in early detection of becterial`//`viral infections much before the symptoms appear in the body.

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**Step-by-Step Solution:** 1. **Understanding the Importance of Early Detection:** - Early detection of bacterial and viral infections is crucial for effective treatment and management. Identifying infections before symptoms appear can lead to timely interventions and better health outcomes. 2. **Techniques for Early Detection:** - There are several techniques available for the early detection of infections. Here, we will discuss two prominent methods: ELISA and PCR. ...
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A large number married couples the world over are childless. It is shocking to know that in India the female partner is often blamed for the couple being childless. (a)Why in your opinion the female partner is often blamed for such situations in India? Mention any two values that you as biology student can promote to check this social evil. (b) State any two reasons responsible for the cause of infertility. (c) Suggest a technique that can help the couple to have a child where the problem is with the male partner.

A large number married couples in the world over are childless. It is shocking to know that in India the female partner is often blamed for the couple being childless. (a)Why in your opinion the female partner is often blamed for such situations in India? Mention any two values that you as biology student can promote to check this social evil. (b) State any two reasons responsible for the cause of infertility. (c) Suggest a technique that can help the couple to have a child where the problem is with the male partner.

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XII BOARD PREVIOUS YEAR PAPER ENGLISH-XII BOARDS-C.B.S.E. CLASS- XII
  1. A tall pea plant with yellow seeds (heterozygous for both the traits) ...

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  2. (a) Why is DNA molecule a more stable genetic meterial then RNA ? Expl...

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  3. Suggest any two techniques which can help in early detection of becter...

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  4. Mention the carbon positions to which the nitrogenous base and the pho...

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  5. Given below are some human organs. Identify one primary and one second...

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  7. Name the type of immunity that is present at the time of birth in huma...

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  8. Draw a labelled schematic structure of a transcription unit. Explain t...

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  9. A snapdragon plant homozygous for red flower when crossed with a whit...

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  10. Name any two vertebrate body parts that are homologous to human foreli...

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  11. When and why do some animals like snails go into aestivation ?

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  12. What is economic value of Spirulina?

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  13. What was the speciality of the milk produced by the transgenic cow Ros...

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  14. How do neutrophils act as a cellular barrier to pathogens in humen ?

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  15. Mention the polarity of DNA stands a - b and c -d shown in the replica...

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  16. Mention any two significant roles predation plays in nature.

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  17. Why is the polar region not a suitable habitat for tiny humming birds ...

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  18. (i) Expand IUD. (ii) Why is hormone releasing IUD considered a good ...

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  19. Name the interaction in each of the following : (a) Cuscuta growing ...

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  20. Apant of Antirrhinum majus with red flowers was crossed with another p...

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