26 NOV 2012 Q.1 Name the virus which causes bird flu. Write any two preventive measures from the transmission of this virus. Q.2 How is a plant virus transmitted? Q.3 What is capsid? Q.4 Virus is considered as a connection link between living and non-living worlds, why? Write two adaptation characteristics found in camel. Q.5 “AIDS virus does not kill the man but it helps other diseases”. Justify this statement. Q.6 i. Why virus is called the “borderline between living world and non-living world”? ii. Bird-flu (Avain influenza) has been again reactivated in the world. What precautions should be taken to prevent Bird-flu from entering into Nepal Q.7 Write two characteristics of virus. Q.8 What is capsid? Write the name of virus which spreads polio. Q.9 Which virus causes AIDS? Q.10 Give reason for: (a) Virus is called obligatory parasite. (b) AIDS doesn’t transmit through kissing. Q.11 How is rabies virus transmitted? Which organ of the body is affected by the virus?What is its preventive measure? Q.12 Explain why virus is called “Borderline between the living world and the non-living world”. Q.13 Write a specific characteristic of virus. Q.14 Write the control measures for rabies and common cold. Q.15 What happens to the human being by the infection of HIV? Q.16 Give reasons: A person suffered from polio will get paralysis. Q.17 Virus is called a living thing as well as non-living thing, why? Q.18 Which virus causes common cold? Q.19 The disease T.B will not be cured in a man with AIDS, why? Q.20 What is the name of the virus that causes common cold> write any two adaptive features of the xerophytic plants (Plants in dry-land). Q.21 Nose and mouth should be covered with a handkerchief while sneezing and coughing when one is suffering from common cold. Why? Q.22 What is virus? Which virus causes common cold in the human being? Q.23 State four ways by which HIV/AIDS is transmitted. Q.24 What is meaning of Latin word virus. What is virology? Q.25 Define obligatory parasites. Is it virus? Or viruses are called obligatory parasites.Why? Q.26 Why are viruses called borderline of living and non-living things? Q.27 What are the different types of virus? Explain in brief. Q.28 Write down any five natures of virus. Q.29 What is a, b, c and d in the following figure? Write down the functions of a and b. Q.30 How does virus transmit the disease? Q.31 Point out any two advantages and disadvantages of virus. Q.32 Explain the mode of viral infection in animal. Q.33 Write down the names of the virus causing following diseases: (i) Common cold (ii) Mump (iii) Polio (iv) Rabies (v) Aids Q.34 Why do polio victims suffer paralysis? Q.35 Write the full form of AIDS. State four main methods by which the virus that causes AIDS gets transmitted from one person to another. Q.36 Identify the two diseases caused by virus regarding the parts affected: (a) i. High fever ii. Respiratory tract becomes affected iii. Eyes become sensitive to sunlight iv. Skin rashes (b) i. Respiratory system ii. Fever is intermittent iii. Parotid gland iv. Testes Q.37 How does a person suffer from common cold? Write down any two symptoms Q.38 At what age of life dopes man suffer from polio? Write down how it occurs? Q.39 Also state the symptoms and say how we can be safe from it. Q.40 How is a person infected from rabies? Write down its symptoms. How can rabies be cured? Q.41 AIDS is not the end of human but it’s the beginning of the end. Explain what happens if a person suffering from AIDS catches common cold? Q.42 Write down 1/1 name of DNA and RNA viruses. Q.43 Name the virus containing the vitamin. Also name the vitamins. Q.44 What is full form of TMV? Write down its shape. Q.45 Can virus be cultured artificially? Q.46 How does virus reproduce? Q.47 What is virus? Write the average size of viruses. Write two symptoms of rabies? Q.48 Why virus is regarded as in between the living and non living things? Name the HIV virus. How can it take the life of the person? Q.49 Which virus affects the upper part of the trachea of man? How is this virus transmitted? Write two symptoms of the disease caused by these viruses. Mention one preventive measure for the disease Q.50 Why are viruses regarded as a link between living and non-living thing? Write causative agent, affected organ and symptom of polio. Q.51 How is Rabies virus transmitted? Which organs of the body are affected to this virus? Write any three ways that we should follow to be protected from AIDS. Q.52 Name the viruses responsible for Common Cold, Measles and AIDS. Write four main ways by which AIDS is transmitted from one person to another. Q.53 Draw a diagram of bacteriophage virus and label its two parts. The persons suffering from AIDS are increasing day by day in Nepal. Write down one main cause, one way of controlling it and one effect of it to nation. Q.54 As living being. Name each disease which has the following symptoms: (i) of testicles (ii) stiff neck (iii) hydrophobia Q.55 Why virus is called obligatory parasite? Give four preventive measure of the disease AIDS. Q.56 AIDS does not kill a man but AIDS patient die due to other disease. Justify this statement with reason. Give three ways to be safe from AIDS. Q.57 Which cell of the human blood does HIV affect? Q.58 Give two reasons for considering virus as a non-living thing. How is common cold transmitted in human beings? Write its one harmful effect to the body. Tags: biology, nepal, science, sl
Posted on: Thu, 12 Sep 2013 04:35:17 +0000
Trending Topics
Recently Viewed Topics
© 2015