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?

1. Auto-immune response
2. Humoral immune response
3. Physiological immune response
4. Cell-mediated immune response

Subtopic:  Human Immune System |
 93%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

Which of the following is not a lymphoid tissue?

1. Spleen         
2. Tonsils         
3. Pancreas               
4. Thymus

Subtopic:  Human Immune System |
 88%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

Which of the following glands is large-sized at birth but reduces in size with ageing?
1. Pineal                                 
2. Pituitary
3. Thymus                               
4. Thyroid

Subtopic:  Human Immune System |
 94%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.