Chap.5 Acellular Life

1.       

Chapter no.5 A cellular life

 

2.       

RNA particles causing symptoms like that of a virus disease is known as:

(a) Virion                     (b) Viroids

(c) HIV                                    (d) Prion

B

3.       

Incubation period for polio virus is:

(a) 5-35 days               (b) 7-14 days

(e) 3-4 days                 (d) 1-2 days

A

4.       

Phages which show lysogenic life cycle are known as

(a) Lytic phages           (b) Temperate phages

(c) Virulent phages      (d) None of these

B

5.       

The HIV primarily inſects:

(a) Plasma cells            (b) Helper T-cell

(c) All white blood cells (d) Red blood cell

B

6.       

Herpes virus type 1 causes:

(a) Cold Sore               (b) Pneumonia

(c) Genital Herpes        (d) AIDs

A

7.       

Which of the following disease is caused by viroids?

(a) Hepatitis D                         (b) Hepatitis B

(c) PSTV                      (d) All of these

A

8.       

PSTVD is composed of:

(a) RNA only               (b) DNA only

(c) Either DNA or RNA           (d) None of these

A

9.       

All are caused by viroids except:

(a) Cucumber pale fruit

(b) Citrus exocortis disease

C) Cadang cadang

(d) Leaf curl disease

d

10.   

 The first viroid discovered was:

a) CErd                                    (b) PSTVD

(c) HDrd                      (d) None of these

B

11.   

All are symptoms of Alper's syndrome except:

(a) Paralysis                

(b) Dementia

(c) Loss of Motor Control

(d) Dilusion

D

12.   

Fatal Familial Insomnia is caused by:

(a) FIV                         (b) Visna

(c) FFI                          (d) Prions

D

13.   

Begomoviruses causes leaf curl disease, which is transmitted by white fly named:

(a) Bemisia Tabaci       (b) Tsetse Fly

(c) Both of these          (d) Aedes aegypti

A

14.   

The treatment given to poliomyelitis patient is:

(a) Corrective shoes and braces

(b) Physiotheraphy

(c) Orthopedic surgery

(d) All of these

D

15.   

Common symptoms for HERPES is:

(a) Fever                      (b) Inflammation

(c) Blister                     (d) All of these

D

16.   

Which of the following can lead to liver cancer?

(a) Hepatitis A             (b) Hepatitis B

(c) Hepatitis C              (d) Botha anda

B

17.   

All of these are RNA virus except:

(a) Hepatitis B              (b) Influenza

(c) Visna                      (d) Both a and

A

18.   

The development of Aids from HIV infection takes

(a) 2-10 days               (b) 2-10 months

(c)2-10 years               (d) 2-10 hours

C

19.   

HIV is also called:

(a) Retro Virus                         (b) Onco Virus

(c) Lenti Virus                         (d) All of these

D

20.   

The last stage of HIV infection:

(a) AIDS                      (b) Cancer

(c) Death                      (d) All of these

A

21.   

The glycoprotein found in envelope of u

virus is

(a) Hemagglutinin        (b) Neuraminidase

(c) Both of these          (d) None of these

C

22.   

How many gens are there in HIV?

(a) 9                             (b) 500

(c) 9000                       (d) 20000

A

23.   

Flu virus is:

(a) RNA Enveloped

(b) RNA non-enveloped

(c) DNA Enveloped

(d) DNA non-enveloped

A

24.   

All of these are lentivirus except:

(a) Visna                      (b) HBV

(c) HIV                                    (d) CAEV

B

25.   

How many spikes are found in HIV envelope?

(a) 72               (b) 32

(c)42                (d) 120

A

26.   

The enzyme found in HIV is:

(a) Reverse Transcriptase

(b) Integrase

(c) Protease

(d) All of these

D

27.   

Which of the following is present in all Bacteriophages?

(a) Tail fibers               (b) Protein coat

(c) Lysozyme               (d) All are present

D

28.   

All of the following diseases are caused by the virus except:

(a) Measles                  (b) Polio

(c) Hepatitis D                         (d) SARS

C

29.   

The enzyme found in HIV is:.

(a) Reverse transcriptase          (b) Integrate

(c) Protease                              (d) All of these

C

30.   

The lysogenic cycle is caused by

(a) T2 Phage                (b) T4 Phage

(c) PI Phage                 d) Both a and b

D

31.   

The cape of spike consists of protein

(a) P17                         (b) P24

(C) P 41                       (d) gP120

D

32.   

Which one of the following lentivirus causes encephalitis and pneumonitis in sheep?

(a)Fiv                           (b) Bovine

(c) CAEV                     (d) Visna

D

33.   

The gene of HIV which is responsible for the synthesis of structure protein is:

(a)4                              (b) 2

(c)3                              (d) 7

C

34.   

Which one of the following gene pair is involed in the synthesis of structural protein?

(a) TAT, REV, GAG

(b) VPR, VPU, NEF

(C) VIP. GAG, POL

(d) GAG, POL, ENV

D

35.   

Incubation period of FLU virus is:

(a) 5-6 Days                 (b) 8-10 Days

(c) 1-2 Days                 (d) 9-12 Days

C

36.   

 HIV target which body cell:

(a) Plasma Cells           (b) Memory Cells

(C) T-Lymphocytes     (d) All of these

C

37.   

The tail of spike consists of protein

(a) P17                         (b) P24

(c) gP 41                      (d) gP120

C

38.   

The most common sexually transmitted disease in the world is:

(a) AIDS                      (b) Cancer

(c) Hepatitis B              (d) Hepatitis C

C

39.   

Which one of the following hepatitis is transmitted by infected faeces?

(a) Hepatitis A             (b) Hepatitis B

(c) Hepatitis C              (d) Hepatitis D

A

40.   

All of the following are RNA virus except:

(a) Hepatitis A                         (b) Hepatitis B

(c) Hepatitis C              (d) Hepatitis D

B

41.   

Incubation period of hepatitis A virus is:

(a) 20 weeks                (b) 26 weeks

(C) 2-6 weeks              (d) 9 weeks

C

42.   

The incubation period of which one hepatitis virus is 2-26 weeks?

(a) Hepatitis A                         (b) Hepatitis B

(c) Hepatitis C              (d) Hepatitis D

C

43.   

Cold sores are usually caused by:

(a) HIV 1                     (b) HIV2

(c) HSV 2                    (d) HSVI

D

44.   

The viral core or capsid is usually bullet shaped and is made from the protein:

(a) gp120                     (b) gp41

(C)p24                         (D) p17.

C

45.   

The incubation period of HIV is:

(a) 8 - 10 years                        (b) 2 years

(c) 1 year                     (d) 6 months

A

46.   

Which body system is most directly concerned with vaccination?

(a) Digestive    (b) Circulatory

(c) Respiratory                         (d) Immune

D

47.   

What are the two major envelope proteins that surrounds the HIV virion?

(a) gp120 and gp 40     (b) gp120 and 41

(c) gp120 and gp 42     (d) gp120 and 43

B

48.   

Which of these characteristics of living things is exhibited by a virus?

(a) Heredity

(b) Metabolism

(c) Response to Stimulus

(d) Interaction with the Environment

A

49.   

Of the following antibiotics which is most effective against most viral infection:

(a) Penicillin                (b) Erythromycin

(c) Zanax                     (d) None of these

D

50.   

Scrapie is the neurodegenerative disease of sheep and goat caused by:

(a) Viroid                     (b) Virion

(c) Prion                       (d) Virus

C

51.   

Polio virus enters through the:

(a) Mouth and nose

(b) Eyes and ear

(c) Reproductive organs

(d) All of these

A

52.   

The scientific name of white fly is:

(a) Enterobius vermicularis

(b) Taenia Solium

(c) Bemisia Tabaci

(d) None of these

C

53.   

Which one of the following is DNA containing virus?

(a) HBV                       (b) HAV

(c) HCV                       (d) HDV.

A

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