Question

Assertion: Epstein-Barr is an oncovirus.
Reason: It stimulates the growth of cancer.
A.Both assertion and reason are correct and the reason is the correct explanation for the assertion.
B.Both assertion and reason are correct but the reason is not the correct explanation for the assertion.
C.Assertion is correct but the reason is incorrect.
D.Both assertion and reason are incorrect.

Answer 1

Hint: An oncovirus is a virus that can cause cancer. The oncovirus is divided into two parts i.e. DNA virus and RNA virus bit both the viruses are the cancer-causing viruses. The first human oncovirus was developed in 1964.

Complete answer:
 The Epstein-Barr viruses are the viruses that can cause infection which is connected with various non-malignant, premalignant and malignant lymphoproliferative diseases. The infection of Epstein-Barr viruses takes place by the oral transfer of saliva and genital secretion. This virus affects the B-cell of the immune system and the epithelial cells. The symptoms shown by the infected adults by Epstein-Barr virus are fatigue, fever, swollen lymph nodes, swollen liver etc. It is also linked with Chronic Fatigue Syndrome.
The Epstein-Barr virus was the first virus which can cause cancer and has been linked with the development of various lymphoproliferative disorders like Burkitt lymphoma, primary lymphoma, plasmablastic etc. This virus affects the children and also the adults all over the world. The effects of Epstein-Barr viruses mostly lead to nasopharyngeal cancer and in some cases, it can also cause stomach cancer.
Hence, the correct answer is A.

Note: The Epstein-Barr viruses were first isolated from the tumour virus of the human. It comes under the subfamily gammaherpesvirus and the genus Lymphocrytovirus and it is best known to cause mononucleosis.