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Identify and name any two Prime Ministers of India who remained in power for less than a year.
Concept: Era of Coalitions
How are the three recommendations of the Mandal Commission an effort to solve the problems of the ‘Other Backward Classes’ (OBCs)? Analyse.
Concept: Political Rise of Other Backward Classes
Analyse any three factors that led to the rise of ‘Other Backward Classes’ (OBCs) in Indian Politics?
Concept: Political Rise of Other Backward Classes
Explain any two components of attitudes.
Concept: Nature and Components of Attitudes
State what is apomixis. Comment on its significance. How can it be commercially used?
Concept: Polyembryony
Explain any three advantages that seeds offer to angiosperms.
Concept: Polyembryony
Explain the monosporic development of the embryo sac in the ovule of an angiosperm.
Concept: Development of Female Gametophyte or Embryo Sac
With the help of a neat, labelled diagram describe the human male reproductive system.
Concept: The Male Reproductive System
Describe the role of pituitary and ovarian hormones during the menstrual cycle in a human female.
Concept: Menstrual Cycle (Ovarian Cycle)
Name and explain the role of the inner and middle walls of the human uterus.
Concept: Menstrual Cycle (Ovarian Cycle)
Write the location and function of the Sertoli cells in humans.
Concept: The Male Reproductive System
Arrange the following hormones in sequence of their secretion in a pregnant woman.
hCG, LH, FSH, Relaxin
Concept: Pregnancy and Embryonic Development
Draw a graafian follicle and label antrum and secondary oocyte.
Concept: Menstrual Cycle (Ovarian Cycle)
Draw a diagram of a mature human sperm. Label any three parts and write their functions.
Concept: The Male Reproductive System
Draw a label diagram.
Draw a labeled diagram to show the interrelationship of four accessory ducts in a human male reproductive system.
Concept: The Male Reproductive System
Draw a label diagram.
Draw a sectional view of the human ovary showing the different stages of developing follicles, corpus luteum, and ovulation.
Concept: The Female Reproductive System
Explain the menstruation phases in the menstrual cycle of a human female.
Concept: Menstrual Cycle (Ovarian Cycle)
‘A proper understanding of the menstrual cycle can help immensely in family planning.’ Do you agree with the statement? Provide reasons for your answer.
Concept: Menstrual Cycle (Ovarian Cycle)
Assertion: Functional ADA cDNA genes must be inserted in the lymphocytes at the early embryonic stage.
Reason: Cells in the embryonic stage are mortal, differentiated and easy to manipulate.
Concept: Pregnancy and Embryonic Development
Draw a diagram showing human foetus within the uterus and label any four, parts in it.
Concept: Pregnancy and Embryonic Development
