Assertion: During HIV infection, the patient becomes immuno-deficient.
Reason: HIV Virus attacks helper T-lymphocytes and decreases their cell count.
1. Both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.
2. Both Assertion and Reason are true and the Reason is not the correct explanation of the Assertion.
3. Assertion is true but Reason is false.
4. Both Assertion and Reason are false.

Subtopic:  AIDS |
 92%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

Assertion: Techniques like CT and MRI are very useful in detection of cancers of internal organs.
Reason: Techniques of molecular biology can also be used to detect diseases having genetic susceptibility.
1. Both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.
2. Both Assertion and Reason are true and the Reason is not the correct explanation of the Assertion.
3. Assertion is true but Reason is false.
4. Both Assertion and Reason are false.
Subtopic:  Cancer |
 79%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

Assertion: Adolescence is a very vulnerable phase of mental and psychological development of an individual.
Reason: Addiction to drugs or alcohol is very common during adolescence.
1. Both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.
2. Both Assertion and Reason are true and the Reason is not the correct explanation of the Assertion.
3. Assertion is true but Reason is false.
4. Both Assertion and Reason are false.
Subtopic:  Drugs & Alcohol Abuse |
 50%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

advertisementadvertisement

Assertion: Nicotine in tobacco is a sympathomimetic compound.
Reason: Nicotine stimulates the release of adrenaline into blood.
1. Both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.
2. Both Assertion and Reason are true and the Reason is not the correct explanation of the Assertion.
3. Assertion is true but Reason is false.
4. Both Assertion and Reason are false.
Subtopic:  Drugs & Alcohol Abuse |
 62%
Please attempt this question first.
Hints
Please attempt this question first.

Assertion: With time, there is greater intake and addiction of drugs among addicts.
Reason: With repeated use of drugs, tolerance level of receptors declines.
1. Both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.
2. Both Assertion and Reason are true and the Reason is not the correct explanation of the Assertion.
3. Assertion is true but Reason is false.
4. Both Assertion and Reason are false.
Subtopic:  Drugs & Alcohol Abuse |
 59%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

Assertion: Use of cocaine causes a temporary sense of euphoria.
Reason: It has a stimulatory effect on central nervous system by promoting release of GABA
1. Both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.
2. Both Assertion and Reason are true and the Reason is not the correct explanation of the Assertion.
3. Assertion is true but Reason is false.
4. Both Assertion and Reason are false.
Subtopic:  Common Cold & Malaria Introduction |
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

advertisementadvertisement

Assertion: Opioids are stimulants
Reason: Opioids have receptors only in brain.
 
1. Both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.
2. Both Assertion and Reason are true and the Reason is not the correct explanation of the Assertion.
3. Assertion is true but Reason is false.
4. Both Assertion and Reason are false.
Subtopic:  Drugs & Alcohol Abuse |
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

Assertion: Morphine is very useful in patients undergoing surgery.
Reason: It is a very effective sedative and pain killer.
1. Both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.
2. Both Assertion and Reason are true and the Reason is not the correct explanation of the Assertion.
3. Assertion is true but Reason is false.
4. Both Assertion and Reason are false.
Subtopic:  Drugs & Alcohol Abuse |
 93%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

Assertion: Anamnestic response is due to memory cells.
Reason: The predominant antibody in anamnestic response is lgM.
1. Both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.
2. Both Assertion and Reason are true and the Reason is not the correct explanation of the Assertion.
3. Assertion is true but Reason is false.
4. Both Assertion and Reason are false.
Subtopic:  Details of Immunity |
 51%
Please attempt this question first.
Hints
Please attempt this question first.

advertisementadvertisement

Assertion: Tissue and blood group match is needed for organ transplant between recipient and donor.
Reason: Transplantation helps the patient of organ failure to live a normal life.
 
1. Both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.
2. Both Assertion and Reason are true and the Reason is not the correct explanation of the Assertion.
3. Assertion is true but Reason is false.
4. Both Assertion and Reason are false.
Subtopic:  Details of Immunity |
 74%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.