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Biology
Human Reproduction
116 questions from 38 papers, each with its answer.
- 116 questions
- 38 papers
- 3.29% of Biology
Gametogenesis - haploid and diploid stages
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Select the correct option of haploid cells from the following groups:Secondary spermatocytes (formed after meiosis I), the first polar body (formed after meiosis I in oogenesis), and the ovum (the mature haploid female gamete) are all haploid. (Primary spermatocytes/oocytes and spermatogonia are diploid.)
Hormones of the reproductive system
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Match the following columns and select the correct option:
Pick the matching item from Column II for each row.
Column I
- a. Ovary
- b. Placenta
- c. Corpus luteum
- d. Leydig cells
Column II
- i. Human chorionic Gonadotropin
- ii. Estrogen and Progesterone
- iii. Androgens
- iv. Progesterone only
Correct answer: a → ii, b → i, c → iv, d → iii
Ovary secretes Estrogen and Progesterone (a-ii); Placenta secretes Human Chorionic Gonadotropin (b-i); Corpus luteum secretes Progesterone only (c-iv); Leydig cells secrete Androgens (d-iii).
Rh incompatibility - erythroblastosis foetalis
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Which of the following conditions cause erythroblastosis foetalis?Erythroblastosis foetalis occurs when an Rh-negative mother carries an Rh-positive foetus; if foetal Rh-positive blood enters the mother's circulation, she develops anti-Rh antibodies, which can attack the RBCs of a subsequent Rh-positive foetus.
Embryonic development - first trimester
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In Human beings, at the end of 12 weeks (first trimester) of pregnancy, the following is observed:By the end of the first trimester (12 weeks) of pregnancy, most of the major organ systems of the foetus are formed.
That is every question in Human Reproduction for this filter.
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