Biology 12 Chapter - 20 Reproduction - 13

Biology 12 Chapter - 20 Reproduction - 13

1. Second polar body is formed by…………………?

a) Meiosis II of primary oocyte
b) Meiosis I of primary oocyte
c) Meiosis I of secondary oocyte
d) Meiosis II of secondary oocyte

2. The sequence of reproductive events in female reproductive system is called………………..?

a) Ovarian cycle
b) Uterine cycle
c) All of these
d) Menstrual cycle

3. In which phases is female reproductive cycle divided?

a) Menstrual cycle and uterine cycle
b) Ovarian cycle and uterine cycle
c) Menstrual cycle and ovarian cycle
d) None of these

4. Coordination of events between events of ovarian cycle and uterine cycle is due to which hormones?

a) Placental hormones
b) Ovarian hormones
c) Uterine hormones
d) Pituitary hormones

5. Based on hormonal regulation menstrual cycle is divided into which of these phases?

a) Proliferative phase
b) All of the above
c) Secretory phase
d) Menstrual phase

6. Based on hormonal regulation menstrual cycle is divided into how many phases?

a) 4
b) 5
c) 2
d) 3

7. At which phase the uterus sheds deepest part of endometrium?

a) Proliferative phase
b) None of the above
c) Secretory phase
d) Menstrual phase

8. At which phase the menstrual flow takes place?

a) Secretory phase
b) Menstrual phase
c) None of the above
d) Proliferative phase

9. At which phase ovarian hormones are at their lowest levels?

a) Secretory phase
b) None of the above
c) Menstrual phase
d) Proliferative phase

10. At which phase gonadotropins begin to increase?a) Proliferative phase
b) None of the above
c) Secretory phase
d) Menstrual phase

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