4. Oral contraceptives a) Pills containing progestogens or progestron estrogen combination by female – – ex. Saheli is a non steroidal preparation – 5. Surgical methods a) Vasectomy in Male and Tubectomy in female. – Q 21. Write any four characteristics of ideal contraceptives. 2M User friendly, easily available, effective, reversible with no side effects, noninterfering. Ans : Q 22 any 3 Assisted reproductive technology (ART) to an infertile couple. 3M –describe Ans a) Test tube baby program (i) IVF Invitro fertilization (ii) ZIFT Zygot intra fallopian transfer and – – – – IUT intra uterian transfer. – b) GIFT Gamete intra fallopian transfer – c) ICSI Intra cytoplasmic sperm injection – d) AI Artificial Insemination. – Q 23 is reproductive health? Mention any 5 ways by awareness about significance of –what reproductively healthy society be developed. 3M Total well being in all respect of reproduction that is physical, emotional, social, behavioral and Ans: physiological. 5 ways to create awareness. 1. Awareness of problem due to population explosion, social evil like sex abuse etc. 2. Legal checking of female foeticides by banning amniocentesis 3. Educating people about birth control and other sex related aspects. 4. Providing facility for reproductive help 5. Creating awareness among people by introduction of sex education in school. Unit II Chapter 5 Principles of inheritance and variation Why did Mendel choose garden pea for his experiment? How did he make sure that the Plants were true breeding? 3M Ans: Mendel selected garden pea for his experimental material because of the following reasons: It is an annual plant with a short life-cycle. So several generations can be studied within a short period. It has perfect bisexual flowers containing both male and female parts The flowers are predominantly self-pollinating. It is easy to get pure line for several generations.
4. Oral contraceptives – a) Pills containing progestogens or progestron – estrogen combination by female ex. Saheli – is a non steroidal preparation 5. Surgical methods – a) Vasectomy in Male and Tubectomy in female. Q 21. Write any four characteristics of ideal contraceptives. 2M Ans : User friendly, easily available, effective, reversible with no side effects, noninterfering. Q 22 –describe any 3 Assisted reproductive technology (ART) to an infertile couple. 3M Ans – a) Test tube baby program – (i) IVF – Invitro fertilization (ii) ZIFT – Zygot intra fallopian transfer and IUT – intra uterian transfer. b) GIFT – Gamete intra fallopian transfer c) ICSI – Intra cytoplasmic sperm injection d) AI – Artificial Insemination. Q 23 –what is reproductive health? Mention any 5 ways by awareness about significance of reproductively healthy society be developed. 3M Ans: Total well being in all respect of reproduction that is physical, emotional, social, behavioral and physiological. 5 ways to create awareness. 1. Awareness of problem due to population explosion, social evil like sex abuse etc. 2. Legal checking of female foeticides by banning amniocentesis 3. Educating people about birth control and other sex related aspects. 4. Providing facility for reproductive help 5. Creating awareness among people by introduction of sex education in school. Unit II Chapter 5 Principles of inheritance and variation Why did Mendel choose garden pea for his experiment? How did he make sure that the Plants were true breeding? 3M Ans: Mendel selected garden pea for his experimental material because of the following reasons: It is an annual plant with a short life-cycle. So several generations can be studied within a short period. It has perfect bisexual flowers containing both male and female parts The flowers are predominantly self-pollinating. It is easy to get pure line for several generations.
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