Trying to find the right answer to this..

Previous Year Papers

Download Solved Question Papers Free for Offline Practice and view Solutions Online.

Test Series

Take Zigya Full and Sectional Test Series. Time it out for real assessment and get your results instantly.

Test Yourself

Practice and master your preparation for a specific topic or chapter. Check you scores at the end of the test.

Human Reproduction

Short Answer Type

61. Differentiate between Zona pellucida and Corona radiata.

1609 Views

62. Write short note on implantation.

598 Views

Long Answer Type

63. Write two major functions each of testis and ovary

265 Views

Short Answer Type

64. Differentiate between Morula and Blastula.

478 Views

65. How many eggs are released by a human ovary in a month. How many eggs do you think would have been released if the mother gave birth to identical twins. Would your answer change if the twins born were fraternal.

Ovary release one egg every month.

In case of identical twins number of egg released is is one. In this case the egg is cleaved into two giving rise to two young ones. Since they are derived from the same cell the twins are genetically identical.

In fraternal twins. There are two egg cells that fertilize and form the two young ones and thus the twins are non identical.

356 Views