Q. 209. Describe the different methods of vegetative propagation in plants.
Q. 210. State the advantages of vegetative propagation.
Q. 211. What is tissue culture in plants?
Q. 212. What is hermaphrodite? Give two examples.
Q. 213. Draw a labelled diagram of a typical flower and describe its all parts.
Q. 214. What is meant by the term ”external fertilisation” and “internal fertilisation”?
Q. 215. Describe, with the help of a labelled diagram, the male reproductive organs of human beings.
Q. 216. Describe, with the help of a labelled diagram, the female reproductive organs of menstruation and ovulation.
Q. 217. What is menstruation and ovulation.
Q. 218. What is fertility period of males and females in human beings?
Q. 219. Name the various types of asexual reproduction.
Q. 220. What is syngamy?
Q. 221. Describe the measures used to control the population.
Q. 222. What are STD and VD? Write their pathogen, mode of infection, symptoms and prevention.
Q. 223. Write full form of:
AIDS, STD, HIV, WHO, NGO, IUCD, OC.
