Which of the following statements is false ? 

1. When people are healthy they are more efficient at work.
2. Regular exercise is very important to maintain good health.
3. Health means only absence of disease
4. Health increases longevity of people and reduces infant and maternal              mortality.

Subtopic:  Introduction |
 94%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Which of the following is a secondary lymphoid organ?

1. Thymus

2. Kidney

3. Bone marrow

4. Spleen

Subtopic:  Human Immune System |
 87%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Which of the following drugs is not obtained from plants :-

1. Cocaine

2. Ganja

3. Charas

4. Barbiturates 

Subtopic:  Drugs & Alcohol Abuse |
 90%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Which of the following statements is not true regarding active acquired immunity :-

1. It is species non specific

2. It is antigen specific

3. It shows slow but long lasting effect

4. It is used in prophylaxis

Subtopic:  Active & Passive Immunity |
 64%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

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

1. Transfusion of contaminated blood

2. Sharing the infected needles

3. Shaking hands with infected prersons

4. Sexual contact with infected persons

 

Subtopic:  AIDS |
 94%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

(i) Thymus
(ii) Spleen
(iii) Appendix
(iv) MALT
(v) Bone marrow

How many of the above are secondary lymphoid organs except?

1. ii, iii, iv only

2. i, v only

3. i, ii, iii, iv, v

4. i, ii, iii, iv only

Subtopic:  Human Immune System |
 53%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Antibodies present in colostrum

1. IgG

2. IgA

3. IgD

4. IgE

Subtopic:  Human Immune System |
 90%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

In malaria infection the rupture of RBCs is associated with release of a toxic substance called 

1 Hypnotoxin

2 Haemozoin

3 Ascaron 

4 Haemotoxin

Subtopic:  Treatment & Life Cycle of Malaria |
 96%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Which of the following is mismatched with respect to the following events which occur in the life cycle?

1 Erythrocytic schizogony       : The rupture of RBCs is associated with the release of a toxic substance hemozoin, which is responsible for the chill and high fever
2 Gametocytes : Sexual stages develop in intestine of mosquito
3 Fertilization : Takes place in intestine/stomach of mosquito
4 Schizogony in liver cells :  The parasite reproduces asexually in liver cells bursting the cell and releasing merozoites into the blood
Subtopic:  Treatment & Life Cycle of Malaria |
 63%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Mucus coating of the epithelium lining the respiratory, gastrointestinal and urogenital tracts, helps in trapping microbes entering our body. This is included in which of the following barriers?

1 Physical barriers

2 Physiological barriers

3 Cellular barriers

4 Cytokines barriers

Subtopic:  Fungal Infection & Concept of Immunity |
 74%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh