Please provide me IIT Jam Biotech Papers for my preparation.

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1. In a chemical synapse, receptors for neurotransmitters are found on
(A) presynaptic membranes
(B) postsynaptic membranes
(C) synaptic vesicles
(D) myelin sheaths enveloping axons
2. During an allergic immune response, histamine is released from
(A) B lymphocytes
(B) T lymphocytes
(C) mast cells
(D) special Lymphocytes that also secrete IgE
3. Prostaglandins are biologically active molecules that are
(A) monocyclic
(B) bicyclic
(C) tricyclic
(D) polycyclic
4. When animal cells are placed in a hypotonic solution such as distilled water, they swell and
burst due to
(A) diffusion
(B) osmosis
(C) active transport
(D) pinocytosis
5. Identify the hormone secreted by the pituitary gland that causes the smooth muscle of the
uterus to contract during parturition in mammals.
(A) Vasopressin
(B) Oxytocin
(C) Prolactin
(D) Gonadotropins

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