NYIT Humanity and Biological Universe BIOL. 101 Summer 2018 | 1 Final Exam NAME
ID: 151627 • Letter: N
Question
NYIT Humanity and Biological Universe BIOL. 101 Summer 2018 | 1 Final Exam NAME ID# DATE OF THE TEST: 23/09/2018 Total points for this test 30 pts Perentages Part A: Multiple Choice Questions (Squestions X 1.25 pts each - 10 pts) 30% 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 4. Omnivores are animals that can eat? A. Plant B. Animal C. Both 5. HCG (Human chorionic gonadotropin (HCG) 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 marrowExplanation / Answer
Answer- 1(C) Antibodies are substance secreted by Plasma cell which is derived from B cells, secreted against allergen.
Answer 2(B) They are so called because they undergo maturation in gland called thymus .similarly B cells are called so because of bursa of fabricius.
Answer 3 Here both B and C are right because natural infection causes body exposure to antigen in response to this body produce antibody but in immunisation there is artificial active immunity in which live, killed, toxins are introduced in body and body develop response against these .
Answer 4(C) Omnivorous are those that eat plant and animal both. Example Human
Answer 5 (A) HCG is produced only in case of pregnancy and are produced by placenta . It is used as pregnancy test.
Answer 6 (A) Carcinoma means tumors of epithelial origin . Example squamous cell carcinoma.
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