Advertisements
Advertisements
प्रश्न
Write the function of the following:- Oxytocin
उत्तर
Oxytocin is a hormone secreted by the posterior pituitary and it stimulates the contraction of uterine muscles during childbirth (parturition).
APPEARS IN
संबंधित प्रश्न
Name the parts W, X, Y and Z from the following figure:
Answer the following question.
Are these embryos genetically similar or different? Comment.
Explain the development of dicot embryo.
In angiosperms, during development of embryo, the suspensor cells develop from which of the following?
Top-shaped multiciliate male gametes and the mature seed which bears only one embryo with two cotyledons are characteristic features of ______.
In a type of apomixis known as adventive embryony, embryos develop directly from the ______.
The portion of embryonal axis between plumule (future shoot) and cotyledons is called ______.
In the embryos of a typical dicot and a grass, true homologous structures are ______.
Match column I with Column II. The fate of various parts of the ovary.
| Column I | Column II |
| A. Ovary wall | (i) Testa |
| B. Outer integument | (ii) Stalk of the seed |
| C. Nucellus | (iii) Pericarp |
| D. Funicle | (iv) Perisperm |
Choose the correct code given below.
List the components of embryo sac and mention their fate after fertilization.
