Yakeen NEET Human Reproduction: DPP-07 PDF

Summary

This document contains practice questions on human reproduction (zoology) for the NEET exam. It includes multiple-choice questions and matching exercises covering topics such as mammalian testes, ovulation, hormones, and fetal development. An answer key is provided.

Full Transcript

1 YAKEEN 2.0 NEET Human Reproduction (Zoology) DPP-07 1. Which of the following is correct about mammalian 8. Match the pair. testes?...

1 YAKEEN 2.0 NEET Human Reproduction (Zoology) DPP-07 1. Which of the following is correct about mammalian 8. Match the pair. testes? Column I Column II (A) Graafian follicles, Sertoli cells, Leydig’s cells (B) Graafian follicles, Sertoli cells, Seminiferous (a) Trophoblast (i) Embedding of tubules blastocyst in the (C) Sertoli cells, Seminiferous tubules, Leydig’s endometrium cells (b) Cleavage (ii) Group of cells (D) Graafian follicle, leydig’s cells, Seminiferous that would tubule differentiate as embryo 2. Ovulation in the human female normally takes place (c) Inner cell mass (iii) Outer layer of during the menstrual cycle: blastocyst (A) at the mid secretory phase attached to the (B) just before the end of the secretory phase endometrium (C) at the beginning of the proliferative phase (d) Implantation (iv) Mitotic division (D) at the end of the proliferative phase of zygote (A) a-(ii), b-(i), c-(iii), d-(iv) 3. If mammalian ovum fails to get fertilised, then all occurs except: (B) a-(iii), b-(iv), c-(ii), d-(i) (A) Corpus luteum will disintegrate (C) a-(iii), b-(i), c-(ii), d-(iv) (B) Progesterone secretion rapidly declines (C) Progesterone secretion increases. (D) a-(ii), b-(iv), c-(iii), d-(i) (D) Menstruation. 4. Which of the following hormones is not secreted by 9. Match the following columns and select the correct human placenta? option. (A) hCG (B) Estrogens Column I Column II (C) Progesterone (D) LH (a) Placenta (i) Androgens 5. Morula is a developmental stage: (A) between the zygote and blastocyst (b) Zona pellucida (ii) Human chroinic (B) between the blastocyst and gastrula Gonadotropin (C) after the implantation (c) Bulbo-urethral (iii) Layer of the (D) between implantation and parturition. glands ovum (d) Leydig cells (iv) Lubrication of the Penis 6. In human adult females oxytocin: (A) stimulates pituitary to secrete vasopressin a b c d (B) causes strong uterine contractions during (A) (i) (iv) (ii) (iii) parturition (B) (iii) (ii) (iv) (i) (C) is secreted by anterior pituitary (C) (ii) (iii) (iv) (i) (D) (iv) (iii) (i) (ii) (D) stimulates growth of kidney 10. The first movements of the foetus and appearance of 7. Seminal plasma, the fluid part of semen, is hair on the head are usually observed during the: contributed by: (A) third month (i) seminal vesicle (ii) prostate (B) fifth month (iii) urethra (iv) bulbourethral gland (C) sixth month (A) (i) and (ii) (B) (i), (ii) and (iv) (D) seventh month (C) (ii), (iii) and (iv) (D) (i) and (iv) 2 11. During pregnancy the levels of other hormones like 13. Placenta is: estrogens, progestogens, cortisol, prolactin, (A) A structural and functional unit between thyroxine, etc., are increased several folds in the developing embryo (foetus) and maternal body maternal blood for which of these functions: (B) Structure that is formed by the chorionic villi i. fetal growth and uterine tissue when become interdigitated ii. metabolic changes in the mother with each other. iii. maintenance of pregnancy (C) Endocrine and produce hormones (A) i and iii (D) All of these (B) ii and iii (C) only i 14. After implantation, finger-like projections appear on (D) i, ii and iii the trophoblast called: (A) Amnionic villi (B) Chorionic villi 12. Ectoderm, endoderm and mesoderm are formed by (C) fimbrae (D) Clitoris ……………. of the embryo of human. (A) placenta 15. Placenta secretes: (B) trophoblast (C) inner cell mass (A) hCG (B) hPL (D) Both (B) and (C) (C) Estrogen (D) All of these 3 Answer Key 1. (C) 9. (C) 2. (D) 10. (B) 3. (C) 11. (D) 4. (D) 12. (D) 5. (A) 13. (D) 6. (B) 14. (B) 7. (B) 15. (D) 8. (B) For more questions, kindly visit the library section: Link for app: https://links.physicswallah.live/vyJw For more questions, kindly visit the library section: Link for web: https://physicswallah.live/tabs/tabs/library-tab Any issue with DPP, please report by clicking here- https://forms.gle/t2SzQVvQcs638c4r5 PW Mobile APP: https://physicswala.page.link/?type=contact-us&data=open For PW Website: https://www.physicswallah.live/contact-us