Class 12 Biology

Poll

Sushila

Asked: October 25, 2021In: Class 12 Biology

Which of the following are the reason(s) for Rheumatoid arthritis? Choose the correct option.

i. Lymphocytes become more active ii. Body attacks self cells iii. More antibodies are produced in the body iv. The ability to differentiate pathogens or foreign molecules from self cells is lost

Poll

Lashika

Asked: October 25, 2021In: Class 12 Biology

In malignant tumors, the cells proliferate, grow rapidly and move to other parts of the body to form new tumors. This stage of disease is called:

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Poll

Rashmi

Asked: October 25, 2021In: Class 12 Biology

Many diseases can be diagnosed by observing the symptoms in the patient. Which group of symptoms are indicative of pneumonia?

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Poll

Rashmi

Asked: October 25, 2021In: Class 12 Biology

The sporozoites that cause infection when a female Anopheles mosquito bites a human being are formed in:

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Poll

Rohini devi

Asked: October 25, 2021In: Class 12 Biology

The chemical test that is used for diagnosis of typhoid is:

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Poll

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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Poll

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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Poll

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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Poll

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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Poll

Lashika

Asked: October 25, 2021In: Class 12 Biology

The genes causing cancer are:

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Category: Class 12 Biology

Which of the following are the reason(s) for Rheumatoid arthritis? Choose the correct option.

In malignant tumors, the cells proliferate, grow rapidly and move to other parts of the body to form new tumors. This stage of disease is called:

Many diseases can be diagnosed by observing the symptoms in the patient. Which group of symptoms are indicative of pneumonia?

The sporozoites that cause infection when a female Anopheles mosquito bites a human being are formed in:

The chemical test that is used for diagnosis of typhoid is:

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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Category: Class 12 Biology

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