10/05/2020 Reproduction(Senior Class Biology Study by Topics) 10/05/2020 0Comments by Gate Academy Please fill in the information below. NAME EMAIL PHONE NUMBER 1. What happens during fertilisation in humans after many sperms reach close to the ovum? Secretions of acrosome helps one sperm enter cytoplasm of ovum through zona pellucid All sperms except the one nearest to the ovum lose their tails Only two sperms nearest the ovum penetrate zona pellucid Cells of corona radiata trap all the sperms except one 2. The tip of the clitoris which has lots of touch responding sensory neurons like its homolog, the penis, would be called the ___________. Glans clitoris Cowper's gland Prostate Corpora spongiosum 3. What reproductive organ(s) of the female secretes fluid for vaginal lubrication during coitus? Uterine tubes Labia majora Vestibular glands Pudendal cleft 4. The characteristic/ gene that causes maleness is located on the __________. Ribosomes "y" chromosome An autosome "X" chromosome 5. In which phase of cell division oocytes get arrested? Anaphase II Interphase Prophase I Both Anaphase II 6. Castration or removal of the testes BEFORE puberty will interfere with development of secondary sex characteristics in males such as ____________. Muscle mass Voice Height Hairyness 7. More than one sperm is required to fertilize an egg because the __________ surrounding the egg must be separated Fuctionalis cells Follicle cells Myometrial cells Endometrial cells 8. Nectar-feeding pollinators are attracted to a flower by its color or _____. Pollen Sepals Scent Stigma 9. Vegetative propagation refers to the formation of new plants from the following existing organs of the old plants: Stems, roots and leaves Stems, leaves and flowers Stems, flowers and fruits Stems, roots and flowers 10. What is the purpose of a flower? To smell good To look pretty Reproduction To attract bees 11. In controlling "male/bull" fertility, the urethra is ligated/ cut to stop sperm from leaving the testes. True False 12. Which of the following events are correctly matched with the time period in a normal menstrual cycle? Endometrium secretes nutrients for implementation -11-18 days Endometrium regenerates – 5-10 days Release of egg -5th day Rise in prigestrone level – 1-15 days 13. Where are the female sex cells located in a flower? Ovary Style Stigma Anther 14. Moths feed on flowers that are open at night. These flowers are usually __________. Pale in color and sweetly scented Scented like rotting meat Brightly colored and unscented Dull in color with no nectar but a strong scent 15. Fertilization in human takes place in Fimbriae of oviduct Isthmus of oviduct Both Anaphase II Ampulla of oviduct 16. An organism capable of reproducing by two asexual reproduction methods one similar to the reproduction in yeast and the other similar to the reproduction in Planaria is: Bryophyllum Sea anemone Hydra Spirogyra 17. What type of flower has other tiny flowers in the middle of it? Incomplete Complete Composite Compound 18. When the secondary oocyte is released from the ovary, it is surrounded by Corpus luteum Zona pellucid B & c only Corona radiate 19. Reproduction is essential for living organisms in order to: Keep the individual organ alive Continue the species for ever Maintain growth Fulfill their energy requirements 20. The fertilized egg develops to term (to birth) in the ______ Ovary Uterus Oviduct Vagina Ovary Uterus Vagina 21. If pregnancy fails to take place, the decreasing level of hormones lead to menstruation, about ____ days after ovulation 5 7 14 2 22. After about 4 months into pregnancy the placenta begins to produce __________. Human chorionic gonadotropin LH Progesterone LTH 23. Follicles in the ovary rupture to release the egg on/or about ________ days into the cycle. 5 15 10 20 24. The base of the pistil is the __________. Stamen Style Sepal Ovary 25. Seminal fluid, excluding sperm, is produced by all EXCEPT Seminal vesicle Vas deferns. Prostate Cowper's gland 1 out of 25 Time is Up! Time's up