Description : To obtain virus - free healthy plants from a diseased one by tissue culture technique, which part/parts of the diseased plant will be taken? (a) Apical meristem only (b) Palisade parenchyma (c) Both apical and axillary meristems (d) Epidermis only
Last Answer : (c) Both apical and axillary meristems
Description : 6 Interferons are produced by virus infected cells to protect healthy plants from virus infection. Identify the type of barrier it represents. a. cytokine b. physical c. cellular d. physiological
Last Answer : Ans. cytokine
Description : Which of the following statements regarding the transmission of infectious agents through blood transfusions is/are true? A. The transmission rates for human immunodeficiency virus (HIV) ... patients (such as patients undergoing transplantation) should receive specially screened blood products.
Last Answer : Answer: ABCD DISCUSSION: The incidence of both HIV and hepatitis transmitted via blood transfusions has been steadily decreasing since the 1980s. This is related to improved ... , severely compromised patients such as those undergoing transplantation should receive CMV-negative blood products
Description : AIDS is caused by the Human Immunodeficiency Virus (HIV) The transmission of HIV infection generally occurs through. (a) eating contaminated food and water (b) transfusion of contaminated blood and blood products (c) inhaling polluted air (d) shaking hand with infected person
Last Answer : Ans:(b)
Description : A recently infected breeding flock vertically transmit virus into eggs for about A A. 2-3 weeks B. No vertical transmission C. for life D. None of these
Last Answer : 2-3 weeks
Description : The fecal-oral route is the mode of transmission for the _____. a. Hepatitis A virus. b. Hepatitis B virus. c. Hepatitis A and B viruses. d. All hepatitis viruses.
Last Answer : b. Hepatitis B virus.
Description : The function of a viral capsid is A.protection against the viral genome from physical and enzymatic destruction B.providing binding sites that enable the virus to attach to specific receptor sites on the host ... C.serving as a vehicle of transmission from one host to another D.all of the above
Last Answer : D.all of the above
Description : Which one of the following drugs is most effective in preventing transmission of HIV virus from the mother to the foetus? (A) Lamivudine (B) Zidovudine (C) Indinavir (D) Ribavirin
Last Answer : (B) Zidovudine
Description : What are the symptoms of virus infection in plants? -Biology
Last Answer : answer:
Description : Which part of the plant is best suited for making virus-free plants and why? -Biology