TNPSC Group Exam-2013-Free Model Test Paper-General Science-Part 3

TNPSC Group Exam-2013-Free Model Test Paper-General Science-Part 3

51. Which one of the following not a function of Xylem?

a. Transport of nutrients

b. Transport of water 

c. transport of minerals

d. Transport of food materials  

Answer: D

52. Phloem is made up of

1. Sieve elements 

2. Companion cells 

3. Phloem fibres

4. Phloem parenchyma   

Codes

a. 1, 2 and 3 are true

b. 1, 2 and 4 are true 

c. 2, 3 and 4 are true

d. All the above 

Answer: D

53. The only living tissue amongst xylem cells is

a. Vessels 

b. Tracheids 

c. Xylem parenchyma

d. Xylem fibres  

Answer: C

54. The correct order of food chain is

a. autotrophs, herbivores, carnivores, decomposers  

b. decomposers,  autotrophs, herbivores, carnivores

c. autotrophs, decomposers,   herbivores, carnivores,

d. autotrophs, herbivores, decomposers,  carnivores

Answer: A

55. Find out the odd man out

a. Rhizobium  

b. Pseudomonas 

c. Azotobacter 

d. Nostoc

Answer: B

56. The life sustaining zone of the earth, where lithosphere, hydrosphere and atmosphere interact is called

a. Ozonosphere  

b. Stratosphere  

c. Biosphere  

d. None of the above 

Answer: D

57. Black lung disease affects those people work in

a. Oil Rigging  

b. Steel mining   

c. Coal mining   

d. Atomic reactors  

Answer: C

58. PAN in pollution is related to

a. Sulphur dioxide   

b. Nitrogen oxide

c. Methane    

d. Photochemical smog  

Answer: D

59. Minamata disease was first detected in

a. Japan   

b. Indonesia 

c. India   

d. China   

Answer: A

60. Which one of the following is Not a green House Gas

a. Carbon dioxide    

b. Methane

c. CFCs    

d. Acetone  

Answer: D

61. Pseudomonas putida is a

a. Disease causing bacteria     

b. Nitrogen fixing bacteria 

c. Hydrocarbon degrader     

d. Resource for Antibiotics preparation

Answer: C

62. The Density of water is maximum at

a. 100 degree Centigrade       

b. 0 degree Centigrade  

c. 1 Degree Centigrade  

d. 4 Degree Centigrade  

Answer: D

63. Theory of Natural Selection postulated by

a. Charles Darwin       

b. Jean Baptiste Lamarck  

c. Gregor Johann Mendel    

d. Edward Jenner    

Answer: A

64. Which one of the following enzyme helps to join the broken DNA fragments?

a. Restriction enzyme         

b. Restriction endonucleases   

c. DNA ligases    

d. Nif genes    

Answer: C

65. Pernicious anemia is cured by

a. Vitamin - B1        

b. Vitamin B-12    

c. Vitamin-B 6    

d. Vitamin - B2    

Answer: B

66. Stem cells are

a. Specialized cells         

b. organ cells     

c. Unspecilaised cells     

d. Mitotic Cells     

Answer: C

67.  The disease caused by the deficiency of Vitamin C is

a. Rickets          

b. Pellagra      

c. Scurvy     

d. Beri Beri      

Answer: C

68. Which one of the following not a viral disease

a. Rabies          

b. Meningitis      

c. Tetanus      

d. Encephalitis      

Answer: C

69. Find out the odd man out

a. Leprosy          

b. Cholera      

c. Syphilis       

d. Malaria        

Answer: C

70. Find out the odd man out

a. Filariasis          

b. Ascariasis      

c. Taeniasis      

d. Ringworm      

Answer: D

71. The infections spread through bedding, clothes, toilets etc are called

a. Fomites           

b. Carriers   

c. Agents       

d. Transmitters       

Answer: A

72. Statements

Assertion: Influenza is transmitted by A(H1N1) Virus

Reason: H1N1 is a pandemic disease

a. Both Assertion and Reason are correct and Reason is the Correct Explanation to Assertion

b. Both Assertion and Reason are correct BUT Reason is not the Correct Explanation to Assertion

c. Assertion is true Reason is false

d. Assertion is false Reason is true

Answer: B

73. Which of the following diseases are spread by bacteria?

1. Tuberculosis  

2. Cholera  

3. Typhoid 

4. Malaria    

Codes

a. 1, 2 and 3 are true

b. 1, 2 and 4 are true 

c. 2, 3 and 4 are true

d. All the above 

Answer: A

74. Statements

Assertion: Tuberculosis causing bacteria remain viable outside the body for long time

Reason: There is a waxy cell present in the bacteria 

a. Both Assertion and Reason are correct and Reason is the Correct Explanation to Assertion

b. Both Assertion and Reason are correct BUT Reason is not the Correct Explanation to Assertion

c. Assertion is true Reason is false

d. Assertion is false Reason is true

Answer: A

75. Typhoid is transmitted through

1. Flies

2. Mosquitoes   

3. Water

4. Personal contact     

Codes

a. 1, 2 and 3 are true

b. 1, 2 and 4 are true 

c. 1, 3 and 4 are true

d. All the above 

Answer: C