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Santoshi

Asked: October 25, 2021In: Class 12 Biology

Tobacco consumption is known to stimulate secretion of adrenaline and nor-adrenaline. The component causing this could be:

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Anumati

Asked: October 25, 2021In: Class 12 Biology

Transplantation of tissues/organs to save certain patients often fails due to rejection of such tissues/organs by the patient. Which type of immune response is responsible for such rejections?

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Sarashwati

Asked: October 25, 2021In: Class 12 Biology

AIDS is caused by HIV. Among the following, which one is not a mode of transmission of HIV?

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Sushila

Asked: October 25, 2021In: Class 12 Biology

When an apparently healthy person is diagnosed as unhealthy by a psychiatrist, the reason could be that:

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Lashika

Asked: October 25, 2021In: Class 12 Biology

The genes causing cancer are:

12th Science Biology MCQ Questions Answers Class 12 Science Important Syllabus MCQ Questions Answers Class 12th Biology NCERT Based MCQ Questions Answers Class 12 Science Biology Terminal Exams MCQ Solutions

Tobacco consumption is known to stimulate secretion of adrenaline and nor-adrenaline. The component causing this could be:

Transplantation of tissues/organs to save certain patients often fails due to rejection of such tissues/organs by the patient. Which type of immune response is responsible for such rejections?

AIDS is caused by HIV. Among the following, which one is not a mode of transmission of HIV?

When an apparently healthy person is diagnosed as unhealthy by a psychiatrist, the reason could be that:

The genes causing cancer are:

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