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प्रश्न
Give a significant point of difference between the oestrous and menstrual cycles.
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उत्तर
The oestrous cycle takes place in Non-primate females (which occurs during the Breeding season). Menstrual cycle takes place in primates, which occurs monthly.
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संबंधित प्रश्न
Describe the role of pituitary and ovarian hormones during the menstrual cycle in a human female.
Name and explain the role of the inner and middle walls of the human uterus.
Identify True/False statement. Correct false statement to make it true.
Menstrual cycle ceases during pregnancy.
In humans, the menstrual cycle is generally of ______.
Match the Columns.
| Column I | Column II | ||
| i. | Proliferative phase | a. | Breakdown of the endometrial lining |
| ii. | Secretory phase | b. | Follicular phase |
| iii. | Menstruation | c. | Luteal phase |
____________ is transformed to corpus luteum during luteal phase of the menstrual cycle.
A human female reaches menopause aroung the age of ______.
Distinguish between pollination and fertilisation. Mention the site and product of fertilisation in a flower.
Draw a neat, labelled diagram of a pistil showing pollen tube growth and its entry into the ovule.
Identify the correct statement from the following:
In the figure given below, parts A and B show the level of hormones which influence the menstrual cycle. Study the figure and answer the questions that follow:
- Name the organs which secrete the hormones represented in parts A and B.
- State the impact of the hormones in part B on the uterus of the human female during 6 to 15 days of the menstrual cycle.
