Tamil Nadu (English Medium) Plus 2 Biology Science Study Materials, Online Learning, Question Papers, Classnotes, Practice Test, MCQ | Smartindia Educational Program : www.smartindia.net.in

Question-1
HIV virus affect ______ in AIDS patient.

(A) cytotoxic T- cell	(B) M- N cell
(C) suppressor cell	(D) helper T - cells

Question-2
Which of the following diseases is caused by virus?

(A) Mumps	(B) Rabies
(C) AIDS	(D) Tuberculosis

Question-3
Who developed vaccine against smallpox?

(A) Louis Pasteur	(B) Selman Waksman
(C) Edward Jenner	(D) Alexander Flemming

Question-4
Malignant malaria is caused by

(A) Plasmodium falciparum	(B) Plasmodium ovale
(C) Plasmodium vivax	(D) Plasmodium malariae

Question-5
Which one of he following statements is correct with respect to AIDS?

(A) The HIV can be transmitted through eating food together with an infected person	(B) Drug addicts are least susceptible to HIV infection
(C) AIDS patients are being fully cured cent percent with proper care and nutrition	(D) The causative HIV retrovirus enters helper T- lymphocytes thus, reducing their numbers.

Question-6
Genetic material found in Human Immunodeficiency Virus (HIV) is

(A) double stranded RNA	(B) single stranded RNA
(C) double stranded DNA	(D) single stranded DNA

Question-7 Which one of the following statements is incorrect regarding the structure of viruses?

(A) Nucleic materials are covered by a protein coat, called capsid	(B)The capsid is made up of capsomeres
(C)Some animal viruses have an additional envelope	(D)The additional envelope is made up of glycoprotein

Question-8
Cyclosporin A, which is used as an immunosuppressive agent, is produced by

(A) Aspergillus	(B) Clostridium
(C) Saccharomyces	(D) Trichoderma

Question-9
If person is feeding only on meat, egg and milk then he will suffer from

(A) nightblindness	(B) scurvy
(C) rickets	(D) ber-beri

Question-10
Which of the following is a viral disease?

(A) Typhoid	(B) Polio
(C) TB	(D) Leprosy

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Plus 2 Biology Science

Tamil Nadu (English Medium)

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