Advertisements
Advertisements
प्रश्न
In a flower, the megaspore mother cell formed four megaspores without undergoing meiosis. One of the four megaspores developed into the embryo sac. What would be the ploidy level of the antipodal cells in this embryo sac?
उत्तर
Diploid (2n)
APPEARS IN
संबंधित प्रश्न
How does the megaspore mother cell develop into 7-celled, 8 nucleate embryo sac in an angiosperm?
A couple where both husband and wife are producing functional gametes, but the wife is still unable to conceive, is seeking medical aid. Describe any one method that you can suggest to this couple to become happy parents
Draw a labeled diagram of a mature embryo sac.
Define lifespan. Give the lifespan of an elephant
Describe with the help of three labelled diagrams the different embryonic stages that include mature embryo of dicot plants.
During the development of embryo, which of the following occurs first?
The structures derived from ectoderm are ______.
- pituitary gland
- cornea
- kidneys
- notochord
Gastrula is the embryonic stage in which ______.
A female undergoing IVF treatment has blocked fallopian tubes. The technique by which the embryo with more than 8 blastomeres will be transferred into the female for further development is ______
Choose the correct option wherein, the correct stages of the development of the human embryo take place.
| Ovary | Fallopian Tube | Uterus | |
| A | Morula | Fertilized egg | Blastocyst |
| B | Unfertilized egg | Fertilized egg | Morula |
| C | Unfertilized egg | Fertilized egg | Blastocyst |
| D | Fertilized egg | Morula | Blastocyst |
