44. In humans, the testis temperature is maintained below the core body temperature with the help of: (A) Proximal tubule (B) Loop of Henle (C) Scrotum (D) Seminal vesicles Scrotum […]
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CSIR NET Life Science Previous Year Questions and Solution on EXTENSION OF MENDELIAN PRINCIPLES (62)
IIT JAM Biotechnology Previous Year Question paper Topic Animal biology
T Cells and B Cells are Lymphocytes
43. T cells and B cells are: (A) Lymphocytes (B) Erythrocytes (C) Epithelial cells (D) Squamous cells T Cells and B Cells Introduction The immune system protects the human body […]
IIT JAM Biotechnology Previous Year Question paper Topic Animal biology
Immunoglobulins (IgG, IgA, IgM, IgD, IgE)
42. Identify the INCORRECT statement about the immunoglobulins (Ig) (A) IgM forms pentamer (B) IgA forms dimer (C) IgD is the most abundant immunoglobulin (D) IgE is associated with allergic […]
IIT JAM Biotechnology Previous Year Question paper Topic Animal biology
Antigen-Antibody Interactions, Affinity and Avidity Explained
41. Which of the following statements about antigen-antibody (Ag-Ab) complexes is (are) TRUE? (A) Hydrogen bonds and van der Waals forces participate in Ag-Ab interactions (B) Ionic bonds and hydrophobic […]
![40. Determine the correctness or otherwise of the following Assertion [a] and Reason [r]. Assertion [a]. B cells secrete antibodies against a virus while cytotoxic T cells kill virus-infected cells. Reason [r]. B cells confer active immunity while cytotoxic T cells confer passive immunity. (A) [a] and [r] are true and [r] is the correct reason for [a] (B) [a] and [r] are true but [r] is not the correct reason for [a] (C) [a] is true but [r] is false (D) [a] false but [r] is true](https://www.letstalkacademy.com/wp-content/uploads/2026/06/1-40.jpg)
IIT JAM Biotechnology Previous Year Question paper Topic Animal biology
B Cells vs Cytotoxic T Cells
40. Determine the correctness or otherwise of the following Assertion [a] and Reason [r]. Assertion [a]. B cells secrete antibodies against a virus while cytotoxic T cells kill virus-infected cells. […]
IIT JAM Biotechnology Previous Year Question paper Topic Animal biology
Oxygen-Rich Blood in Human Circulation
39. Which among the following contain(s) oxygen-rich blood in the human vascular system? I. Right ventricle II. Aorta III. Pulmonary vein (A) I only (B) I and II only (C) […]
IIT JAM Biotechnology Previous Year Question paper Topic Animal biology
Autoimmune Diseases
38. Identify the autoimmune diseases among the following (A) Type II Diabetes Mellitus (B) Type I Diabetes Mellitus (C) Gestational Diabetes (D) Pernicious Anaemia Autoimmune Diseases – Type I Diabetes […]
IIT JAM Biotechnology Previous Year Question paper Topic Animal biology
HbA1c Indicates Diabetes
37.Higher levels of glycosylated hemoglobin (HbA1c) indicate (A) high hemoglobin level (B) anaemic condition (C) diabetes (D) favism Higher Levels of Glycosylated Hemoglobin (HbA1c) Indicate Diabetes Introduction Glycosylated hemoglobin, commonly […]
IIT JAM Biotechnology Previous Year Question paper Topic Animal biology
Match Neurological Disorders with Their Characteristics
36. Match the entries in Group I with the entries in Group II Group I […]
IIT JAM Biotechnology Previous Year Question paper Topic Animal biology
Source of Circulating Estrogen
35. The circulatory levels of estrogen is derived mainly from (A) thecal and granulosa cells (B) gonadotrophs (C) endometrial epithelia (D) Leydig cells Source of Circulating Estrogen Introduction Estrogen is […]
