2.Writescientific term for the following: a) Release of ovum from ovary. Ans) Ovulation b)Onset of menstrual cycle in a female. Ans) Menarche. 3. Where does fertilization takes place in human female? Ans.) Oviduct (fallopian tube) Short answer questions ( 2 mark) 1 .What is the importance of DNA copying in reproduction? Ans. DNA copying is essential for transferring genetic material from one generation to another. is pollination different from fertilization? 2.How Ans. Pollination is the process of transfer of pollen grains from the anther lobe to the stigma of the flower, while fertilization is the process of fusion of malegamete and female gamete to form the zygote. 3.What is the role of seminal vesicles and the prostate gland? Ans: Seminal vesicle and prostate gland help in nutrition and mobility of sperms. Short answer questions( 3 mark) 1.What are the advantages of vegetative propagation? Ans: Quick/easy/economical method/can creates exact copies of the parent/only method for the propagation of seedless plants. 2. How does the embryo get nourishment inside the mother’s body? Ans: the embryo gets nutrition, oxygen and gets rid of waste materials throughPlacenta. 3a)What is AIDS? b)Name the causative organism? c)List the important modes of transmission of the disease. Ans.a)Acquired immuno deficiency syndrome. b) HIV (human immunodeficiency virus) c)i) Sexual contact ii) Through infected blood transfusion iii) Contaminated syringes. iv) Infected mother to child.
2.Writescientific term for the following: a) Release of ovum from ovary. Ans) Ovulation b)Onset of menstrual cycle in a female. Ans) Menarche. 3. Where does fertilization takes place in human female? Ans.) Oviduct (fallopian tube) Short answer questions ( 2 mark) 1 .What is the importance of DNA copying in reproduction? Ans. DNA copying is essential for transferring genetic material from one generation to another. 2.How is pollination different from fertilization? Ans. Pollination is the process of transfer of pollen grains from the anther lobe to the stigma of the flower, while fertilization is the process of fusion of malegamete and female gamete to form the zygote. 3.What is the role of seminal vesicles and the prostate gland? Ans: Seminal vesicle and prostate gland help in nutrition and mobility of sperms. Short answer questions( 3 mark) 1.What are the advantages of vegetative propagation? Ans: Quick/easy/economical method/can creates exact copies of the parent/only method for the propagation of seedless plants. 2. How does the embryo get nourishment inside the mother’s body? Ans: the embryo gets nutrition, oxygen and gets rid of waste materials throughPlacenta. 3a)What is AIDS? b)Name the causative organism? c)List the important modes of transmission of the disease. Ans.a)Acquired immuno deficiency syndrome. b) HIV (human immunodeficiency virus) c)i) Sexual contact ii) Through infected blood transfusion iii) Contaminated syringes. iv) Infected mother to child.
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