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The lymphoid tissue, located within the lining of digestive tract is

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Important Questions on Human Health and Disease

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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 31 - Human Health and Disease>MCQS CORNER>Q 80
The abbreviation AIDS stands for
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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 31 - Human Health and Disease>MCQS CORNER>Q 81
The genetic material of HIV is
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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 31 - Human Health and Disease>MCQS CORNER>Q 82
The human immuno deficiency virus is
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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 31 - Human Health and Disease>MCQS CORNER>Q 83
Which of the following is not a cause of transmission of HIV?
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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 31 - Human Health and Disease>MCQS CORNER>Q 84

Identify A, B, C, D and E in the given diagram of HIV virus.

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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 31 - Human Health and Disease>MCQS CORNER>Q 85
Viral DNA after being converted from viral RNA by X , incorporated into the host genome to undergo replication. What is ‘ X ’?
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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 31 - Human Health and Disease>MCQS CORNER>Q 86
Which one of the following statements is true?
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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 31 - Human Health and Disease>MCQS CORNER>Q 87

The figure is given below shows the mode of action of the AIDS virus. Identify steps A, B, C, D and E labelled in it.


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