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Julian Morris
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1 1 mark questions 1. Name the type of fission carried out by Amoeba. 2. Write the expanded form of AIDS. 3. What is vegetative propagation? 4. List any two functions performed by ovaries in a human female. 5. Write the full form of IUCD. 6. Write the full expansion of HIV. 7. Name any two sexual transmitted diseases. 8. What harm is caused if the testis in human males fail to descend into the scrotal sacs? 9. List the general characteristics of the pollen grains of wind pollinated plants. 10. What is double fertilisation? 11. Why do testes in mammals descend into scrotum? 13. How does the embryo get nourishment inside the mother s body? 14. If a woman is using a copper-t, will it help in protecting her from sexually transmitted diseases? 15. Why are the testes in males outside the abdominal cavity in the scrotum? 16. Name any two hermaphrodite animals. 17. Where does fertilisation take place in a human female? 18. Define menopause. 19. Name the following: (i) The tubes which carry spermatozoa out from the testes. (ii) The two phases covering the first half and second half of menstrual cycle respectively. 20. Which technique would you use for propagating improved varieties of mango and rose? 21. What is parthenocarpy? Name two fruits developed by the process. 22. How many chromosomes are present in a human ovum? 23. What is asexual reproduction? 24. Name the male and female gametes in the animals. 25. Define fertilization. 26. Define sexual reproduction. 27. What is syngamy? Page 1

2 28. Name two chemical methods used by human female to prevent pregnancy. 29. Mention the reproductive parts of a flower. 30. Write names of one male and one female sex hormone. 31. What is ovulation? 32. Name the kind of reproduction in bee in which drones are produced. 33. Which parts of a plant can grow vegetatively? 34. What is the function of pollen grains in flowers? 35. What is the other name of (i) Calyx (ii) Corolla (iii) Androecium (iv) Gynoecium 36. What is the similarity between parthenocarpy and parthenogenesis? 37. What is the basic requirement for sexual reproduction? 38. What is the difference between binary and multiple fission? 39. How does hydra reproduce? Name another organism that reproduces by the similar method. 40. Name two plants other than fungi that reproduce through spores. 41. Why regeneration is considered a method of reproduction? 42. Give one example of an organism which reproduces asexually by budding. 43. Name two body parts which human beings can regenerate. 44. Give one example of each plant which propagates artificially by (a) Cutting (b) Layering. 45. Name the process of reproduction in the following organisms (a) Euglena (b)rhizopus 46. Give one example of each of the following: (i)plant which reproduces naturally by vegetative propagation of leaf. (ii)plant which reproduces naturally by vegetative propagation of stem. 47. Which vegetative part is used in the propagation of Bryophyllum? 48. Name some plants where laying is used as a method of propagation. 49. What happens to the ovule and to the ovary after fertilisation? 50. What is the function of micropyle? 51. What is the end product of double fertilisation? 52. Name two organisms in which multiple fission occurs. 53. What is stock in grafting? 54. Name the agencies through which cross-pollination take place. 55. Name two abiotic agents of pollination. 56. Which group of plants shows double fertilisation? Page 2

3 57. What is the main difference between stem cutting and layering? 58. What is the technical term given to the stalk of flower? 59. Where are sperms formed? 60. Why testis in man is extra-abdominal in position? 61. Name the part of the male reproductive system which carries both sperms and urine. 62. What happens if the ovum is not fertilised? 63. Name the part in the female reproductive tract, which is commonly called the birth canal? 64. After how many days menstrual cycle is repeated? 65. Where do the sperms attain motility? 66. How do the contraceptive pills prevent conception? 67. Name one sexually transmitted disease caused by virus? 68. What is gestation period? 69. Where do the sperms attain motility? 70. Mention the location of ovaries? 71. Write dual purposes served by the urethra? 72. What is the actual role of the placenta in the process of embryonic development? 73. Stat how the copper-t serves as an effective contraceptive device? 74. Name any two government endeavours for controlling the population growth rate? 75. What does DNA copying mechanism create? 76. What is the name of the reproductive process which involves (i)two parents. (ii)only one parent. 77. Which type of reproduction (i)involves gametes. (ii)does not involve gametes? 78. Name one animal which regenerates from its cut body parts? 79. Mention the site of implantation of embryo? 80. Describe the role of the following in human beings: (i)seminal vesicles (ii)prostrate gland 81. Name one sexually transmitted disease each caused due to bacterial infection and viral infection. How can these be prevented? 82. What methods will you use for growing jasmine and rose plant? Page 3

4 83. Describe how the sex of the offspring is determined in the zygote in human beings. 84. Some crop plants can be grown from a seed as well as vegetatively from stem cutting. List any four advantages of vegetative propagation in such cases. 85. Show by a series of labelled sketches, the manner in which reproduction occurs in Hydra? 86. What is the importance of DNA copying in reproduction? 87. Why is variation beneficial to the species, but not necessarily for the individual? 88. How will an organism be benefitted if it reproduces through spores? 89. Can you think of reasons why more complex organisms cannot give rise to new individuals through regeneration? 90. What is the role of the seminal vesicles and the prostate gland? 91. What are the changes seen in the girls at the time of puberty? 92. What are the functions performed by the testis in human beings? 93. Why does menstruation occur? 94. How does reproduction help in providing stability to populations of species? 95. What is the significance of pollination? 96. Draw a diagram to show the structure of flower? 97. Name the different parts (in sequence) forming the duct system of human male reproductive system. What is the duct system for? 98. Draw a diagram of longitudinal section of pistil showing pollen germination and label the following parts. (i)style (ii)pollen tube. 99. Mention any two functions of human ovary List two functions performed by testes in human beings What is menopause? 102. Mention secondary sexual characters in human male and female Describe menstrual cycle Differentiate between menarche and menopause Define sexually transmitted disease and give two examples What are the functions of sex hormones? 107. Give the disadvantages of vegetative propagation in plants Enumerate the process of binary fission in four steps What is the outcome of fertilization? What is fertilization otherwise known as? 110. Briefly explain the process of formation of the placenta What are the advantages of tissue culture? Page 4

5 112. Bring out the differences between budding and fission Justify the statement Primary sex organs control the growth, function and maintenance of secondry sex organs 114. Differentiate between ovum and zygote Differentiate between primary sex organs and secondry sex organs Differentiate between ovulation and menstruation Differentiate between stock and scion in grafting Distinguish between male and female reproductive duct system in humans Why does sterility result if testes are retained in the abdomen? 120. Define menstruation. Why is menstrual cycle so called? 121. What do you mean by internal fertilisation and external fertilisation? 122. Grafting is a common method of obtaining a superior plant from two different plants. Explain Give the differences between gestation and parturition 124. Differentiate between ureter and urethra in man What is placenta? State its functions Name the causal organism of (i)syphilis (ii)gonorrhoea 127. How the surgery methods are misused by people to prevent pregnancy? 128. Gonads have dual functions. What are their secretions? 129. Why is the number of sperms produced always more than the number of eggs produced? 130. Write a short note on HIV/AIDS. 3 marks questions 131. (i)what is fertilisation? Distinguish between external fertilisation and internal fertilisation. (ii)what is the site of fertilisation in human beings? 132. Define the terms unisexual and bisexual giving one example of each Explain double fertilisation in plants (i)which are the two main types of reproduction in living organisms? (ii)classify the following under these two types : Amoeba, Frog, Earthworm, Yeast What are the male and female gonads in human beings? State any two functions of Page 5

6 each of them What is vegetative propagation when is it used? Name three methods of vegetative propagation Differentiate between self pollination and cross-pollination. Describe double fertilisation in plants Define any three of the following terms used in relation to human reproduction: (i)fertilisation (ii)implantation (iii)placenta (iv)gestation (v)parturition 139. (i)when does ovulation occur during menstrual cycle in a normal healthy female? (ii)draw a labelled diagram to show the reproductive system of human female Name any two sexually transmitted diseases (STDs). How do these infectious diseases spread from one person to another? Give any two symptoms of STDs Draw a diagram of a flower to show its male and female reproductive parts. Label on it: (i)the ovary (ii)the anther (iii)the filament (iv)the stigma 142. How does binary fission differ from multiple fission? 143. Why is vegetative propagation practised for growing some types of plants? 144. Why is DNA copying an essential part of the process of reproduction? 145. How is the process of pollination different from fertilisation? 146. What are the advantages of sexual reproduction over asexual reproduction? 147. Draw a labelled diagram of the longitudinal section of a flower What are the different methods of contraception? 149. How are the modes of reproduction different in unicellular and multicellular organisms? 150. What could be the reasons for adopting contraceptic methods? 151. Draw a labelled diagram of the longitudinal section of a pistil showing pollen germination Give a labelled diagram of pistil showing in it the path of a male gametophyte from the stigma to the embryo sac Describe asexual reproduction in Amoeba Explain various steps of budding in Yeast Fertilisation is possible if ovulation has taken place during middle of the menstrual Page 6

7 cycle. Give reasons Describe surgical methods of birth control With the help of neat sketch illustrate any three natural method of vegetative propagation What causes joining up of stock and scion in grafting? Name one positive trait that the plant contributing scion should have and one positive trait that the plant contributing the stock should have Justify that parthenogenesis is not the same as asexual reproduction Justify why the male reproductive system is called the urinogenital system Show only by diagrams the stages of fission in Paramoecium Give the differences between human sperm and human ovum What criteria and precautions should be taken into consideration while selecting stock and scion? 164 Describe how vegetative propagation is done in the following plants: (a)ginger (b)sugar Cane (c)bryophyllum 165. What is fission? What are the different types of fission? Explain them with the help of diagrams Describe how sexual reproduction is a necessity for evolution DNA copies generated will be similar, but may not be identical to the original, Explain Why is variation of organisms important? Give an example How can the reproductive health be maintained and sexually transmitted (STD) prevented? 170. What role do hormones play in the process of reproduction? 5 mark questions 171. Draw a diagram to show fertilisation in a flowering plant. Label on it (i)stigma (ii)ovary (iii)polar nuclei (iv)egg Define the term double fertilization in plants. After fertilization name the part in each case which develops into (i) the fruit (ii) the seeds 172. Give two reasons for avoiding frequent pregnancies of women. Explain the following methods of contraception giving one example of each: (i)barrier method (ii)chemical method (iii)surgical method 173. Trace the events that would take place in a flower from the time the pollen grains of Page 7

8 the same species fall on the stigma upto the completion of fertilisation Name two bacterial diseases which are sexually transmitted. Name their casual organisms, symptoms and preventive measures What are the advantages and disadvantages of self and cross pollination? Which of them is better and why? 176. Describe the anatomy of human male reproductive system What is meant by tissue culture? How this technique is performed? In which are this technique is finding its application? 178. Describe the human female reproductive system with the help of a labelled diagram Discuss in brief the various modes of reproduction used by single organisms. How Do Organisms Reproduce? Question bank Page 8

Types of Reproduction

Types of Reproduction Reproduction is the process by which living organisms produce new individuals similar to themselves. It ensures continuity of life on earth. Nucleus of the cell contains DNA (Deoxyribose Nucleic Acid)