Part A: Multiple Choice Questions (8questions X 1.25 pts each-10 pts) 1. B-lymph

Question

Part A: Multiple Choice Questions (8questions X 1.25 pts each-10 pts) 1. B-lymphocytes play a vital role by secreting substances called? A. Allergens B. Interleukines C. Antibodies 2. T cells are so called because they are predominantly produced in the? A.Thyroid B. Thymus C.Spleen 3. Active immunity is the individual's body makes antibodies against a particular antigen that can happen through? A. Natural infection B. Immunization C. Inflammation 4. Omnivores are animals that can eat? A. Plant B. Animal C. Both is a hormone produced by? A. Placenta B. Ovaries C. Mammary gland 6. Carcinomas is a cancer arising from? A. Epithelium B. Connective tissue C. Bone marrow

Explanation / Answer

1.B lymphocytes play a vital role by secreting substances called - antibodies.(with help of helper T cells they secrete large amount of antibodies).

2.T cells are so called because they are predominantly produced in -thymus

3.Active immunity in the individuals body makes antibodies against a particular antigen that can happen through - natural infection.(as active immunity develops due to exposure to a pathogen).

4.Omnivores are animals that can eat- both plant and animal (eg- human being )

5.HCG is a hormone produced by - placenta.(after imlantation).

6.Carcinomas is a cancer arising from - epithelium.(cells that line our body).

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