11. Prove that : tan -1 [ ] = - cos -1 x , ≤ x ≤ 1. 12.Solve for : 13. Prove that 14. Solve for . 15. Prove that: 2 sin -1 - tan -1 = . SUBJETC-BIOLOGY Q.1 Describe the structure of microsporangium with the help of its diagram. Q.2 Explain the different steps of development of microspore/ male gametophyte and development of mature pollen grain with the help of its diagram. Q.3 Describe the structure of anatropous ovule with its figure. Q.4 Describe the steps of development of female gametophyte/embryo sac and it is called monosporic. Why? Q.5 Explain the double fertilization step wise with its diagram. Q.6 Explain the str. Of seminiferous tubule with its diagram. Q.7 Describe the structure of mammary gland with the help of its diagram. Q.8 What is gametophyte? Explain the different steps of development of spermatozoa and ovum with their respective figures. Q.9 What is implantation? Explain the different steps of development of blastocyst from its initial stage with the help of its diagrams. Q.10 To solve the last ten years CBSE questions and practice papers from lesson first to five. Q.11 To solve questions of monthly test and class test 2016. Q.12 To solve NCERT questions of lesson of five. Q.13 Explain Mendel’s law with the help of their crosses ( ALL three laws) Q.14 Describe the incomplete dominance with its cross, example.
11. Prove that : tan -1 [ ] = - cos -1 x , ≤ x ≤ 1. 12.Solve for : 13. Prove that 14. Solve for . 15. Prove that: 2 sin -1 - tan -1 = . SUBJETC-BIOLOGY Q.1 Describe the structure of microsporangium with the help of its diagram. Q.2 Explain the different steps of development of microspore/ male gametophyte and development of mature pollen grain with the help of its diagram. Q.3 Describe the structure of anatropous ovule with its figure. Q.4 Describe the steps of development of female gametophyte/embryo sac and it is called monosporic. Why? Q.5 Explain the double fertilization step wise with its diagram. Q.6 Explain the str. Of seminiferous tubule with its diagram. Q.7 Describe the structure of mammary gland with the help of its diagram. Q.8 What is gametophyte? Explain the different steps of development of spermatozoa and ovum with their respective figures. Q.9 What is implantation? Explain the different steps of development of blastocyst from its initial stage with the help of its diagrams. Q.10 To solve the last ten years CBSE questions and practice papers from lesson first to five. Q.11 To solve questions of monthly test and class test 2016. Q.12 To solve NCERT questions of lesson of five. Q.13 Explain Mendel’s law with the help of their crosses ( ALL three laws) Q.14 Describe the incomplete dominance with its cross, example.
1949585115class_xii_summer_vacation_holiday_homework_2016-17.docx