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f PRACTICE QUESTIONS, , Competency Based Questions, © 1. In human males, the testes lie in the scrotum,, | because it helps in the, -@ 2. Development of placenta is the function of, ' testes at puberty. (True/False), © 3. The correct sequence of organs in the male, reproductive system for transport of sperms is, (NCERT EXEMPLAR), , (a) testis > vasdeferens — urethra, , (b) testis + ureter — urethra, , (c) testis +> urethra —> ureter, , (d) testis + vasdeferens — ureter, , Short Answer Type Questions, 4, There was a boy named Ram in Rahul's, class who was HIV positive. All the children in the, ; class neglected him and treated him like an, : untouchable. But Rahul provided emotional and, | moral support to him. He tried his level best to, j convince all his classmates and was successful in, , doing so. Later on most of the classmates became, the friend of Ram and helped him in what so ever, manner they could., , (a) How was Rahul able to convince his, classmates ?, (6) What moral value did he show ?, , @® 5. Draw a diagram of the longitudinal section, of a pistil exhibiting germination of pollen on, ' stigma and label :, i (i) ovary (ti) pollen tube (i1/) egg cell (’v) male, : germ cell., @® 6. List three techniques that have been, developed to prevent pregnancy. Which one of, these techniques is not meant for males ? How does, the use of these techniques have a direct impact, on the health and prosperity of a family ?, (2017-CBSEO1), © 7. Name the different parts of a bisexual, flower. Draw a labelled diagram to show the, female reproductive parts of the flower., (2016-HDXKTMV), , | © 8. Some organisms are created from a single, parent while some are created by using the DNA, , , , , , , , , , content of both parents,, , ia) Name the processes of reproduction ~, , two cases in the], (b) Give examples of organisms wh;, above methods of reproduction, Ch use th, , (c) Which method out of the above two, be used respectively by Hydra and hens fog tld, reproduction ? (2017-TND MR, @ 9. Give the function of the following iS, a flower during germination : Parta of, (a)Stigma (6) Male germ-cell — (c) Style, (2017-LGAQMMB, 2016-RKPKF3H; 2018-BKYDQog), © 10. (a) Define germination., , (b) From the diagram giv, incorrectly labelled parts Y HHEREy ty, Male germ-celt, , Stigma, , Pollen grain, , , , , i<-——— Pollen tube, , Es Ovule, , — Female germ-cell, , (2017-A10D99X, 27YKNET, ZKPMQ9T), © 11. How does sexual reproduction lead to, similarities as well as variations? (2015-RZ2QY56), (@®) 12. Sexual maturation is a gradual process, and takes place while general body growth is still, going on. Comment on the statement taking, consideration of the teenagers., , (2016-8A2B1J6; 2015-Q9WGDVV), , Long Answer Type Questions, © 13. (a) Draw the diagram of female reproductive, system (human), label and name the following parts :, (2) Site of fertilization, (ii) Site of implantation, (iti) Site of egg formation, (b) What will happen if :, (i) Fertilization takes place ?, (ii) Fertilization does not take place ?, (c) How surgically pregnancy can be preven!, in female ?