Question
Name and describe hormones secreted by ovaries.
✓
Answer
(1)The ovaries secrete oestrogen and progesterone.
(2)
(2)
- Progesterone: It is secreted by corpus luteum of the ovary after ovulation. It is essential for thickening of uterine endometrium, thus preparing the uterus for implantation of fertilized ovum. It is responsible for development of mammary glands during pregnancy. It inhibits uterine contractions during pregnancy.
- Oestrogen: It is secreted by developing follicles. Estradiol is the main oestrogen. It is responsible for development of secondary sexual characters in females.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
What are the basic requirements of $\text{PCR}$ technique?
→Define Population and Community.
Describe how do 'flocs' and 'activated sludge' help in Sewage Treatment.
Mention the types of deviations from Mendel’s finding.
OR
Describe Neo-Mendelism in short.
What essential features must be present in a cloning vehicle/ cloning vector?
Explain giving one example, how co-extinction is one of the cause of biodiversity loss? List the other three causes also.
Observe the diagram and answer the questions related to it.
- From which cells newly formed cells are added? How?
- How is rate of growth in zone of cell elongation?
- What is peculiarity of zone of differentiation? How is rate of growth in this region?
What is DNA fingerprinting? Mention its application.
Answer the following questions:
How does cleistogamy ensure autogamy?
How does cleistogamy ensure autogamy?
Can antibiotics kill viruses?