Viroids
BIOXI02: BIOLOGICAL CLASSIFICATION

331541 Match the following.


























Column I Column II
A. M.W. Beijerinek P. 1935
B. Dmitri Ivanowsky Q. 1971
C. W.M. Stanley R. 1898
D. T.O. Diener S. 1892

1 A-R, B-S, C-P, D-Q
2 A-Q, B-R, C-P, D-S
3 A -S, B-R, C-Q, D-P
4 A-R, B-Q, C-P, D-S
BIOXI02: BIOLOGICAL CLASSIFICATION

331530 Statement A :
In 1971, T.O. Diener discovered a new infectious agent that was smaller than viruses
Statement B :
Virus causes potato spindle tuber disease

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both Statements are correct.
4 Both Statements are incorrect.
BIOXI02: BIOLOGICAL CLASSIFICATION

331531 Viroids differ from viruses

1 Absence of RNA
2 Presence of DNA
3 Absence of a protein coat
4 Presence of DNA and RNA
BIOXI02: BIOLOGICAL CLASSIFICATION

331532 Which is correct about viroids?

1 In 1971, M.W. Beijerinek discovered
these agents
2 Causes potato spindle tuber disease
3 RNA of viroid was of high molecular
weight
4 Viroid was found be a free DNA, it lacked
the protein coat.
BIOXI02: BIOLOGICAL CLASSIFICATION

331533 The molecular weight of RNA of viroid is

1 High
2 Low
3 Very high
4 Was never estimated
BIOXI02: BIOLOGICAL CLASSIFICATION

331541 Match the following.


























Column I Column II
A. M.W. Beijerinek P. 1935
B. Dmitri Ivanowsky Q. 1971
C. W.M. Stanley R. 1898
D. T.O. Diener S. 1892

1 A-R, B-S, C-P, D-Q
2 A-Q, B-R, C-P, D-S
3 A -S, B-R, C-Q, D-P
4 A-R, B-Q, C-P, D-S
BIOXI02: BIOLOGICAL CLASSIFICATION

331530 Statement A :
In 1971, T.O. Diener discovered a new infectious agent that was smaller than viruses
Statement B :
Virus causes potato spindle tuber disease

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both Statements are correct.
4 Both Statements are incorrect.
BIOXI02: BIOLOGICAL CLASSIFICATION

331531 Viroids differ from viruses

1 Absence of RNA
2 Presence of DNA
3 Absence of a protein coat
4 Presence of DNA and RNA
BIOXI02: BIOLOGICAL CLASSIFICATION

331532 Which is correct about viroids?

1 In 1971, M.W. Beijerinek discovered
these agents
2 Causes potato spindle tuber disease
3 RNA of viroid was of high molecular
weight
4 Viroid was found be a free DNA, it lacked
the protein coat.
BIOXI02: BIOLOGICAL CLASSIFICATION

331533 The molecular weight of RNA of viroid is

1 High
2 Low
3 Very high
4 Was never estimated
BIOXI02: BIOLOGICAL CLASSIFICATION

331541 Match the following.


























Column I Column II
A. M.W. Beijerinek P. 1935
B. Dmitri Ivanowsky Q. 1971
C. W.M. Stanley R. 1898
D. T.O. Diener S. 1892

1 A-R, B-S, C-P, D-Q
2 A-Q, B-R, C-P, D-S
3 A -S, B-R, C-Q, D-P
4 A-R, B-Q, C-P, D-S
BIOXI02: BIOLOGICAL CLASSIFICATION

331530 Statement A :
In 1971, T.O. Diener discovered a new infectious agent that was smaller than viruses
Statement B :
Virus causes potato spindle tuber disease

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both Statements are correct.
4 Both Statements are incorrect.
BIOXI02: BIOLOGICAL CLASSIFICATION

331531 Viroids differ from viruses

1 Absence of RNA
2 Presence of DNA
3 Absence of a protein coat
4 Presence of DNA and RNA
BIOXI02: BIOLOGICAL CLASSIFICATION

331532 Which is correct about viroids?

1 In 1971, M.W. Beijerinek discovered
these agents
2 Causes potato spindle tuber disease
3 RNA of viroid was of high molecular
weight
4 Viroid was found be a free DNA, it lacked
the protein coat.
BIOXI02: BIOLOGICAL CLASSIFICATION

331533 The molecular weight of RNA of viroid is

1 High
2 Low
3 Very high
4 Was never estimated
BIOXI02: BIOLOGICAL CLASSIFICATION

331541 Match the following.


























Column I Column II
A. M.W. Beijerinek P. 1935
B. Dmitri Ivanowsky Q. 1971
C. W.M. Stanley R. 1898
D. T.O. Diener S. 1892

1 A-R, B-S, C-P, D-Q
2 A-Q, B-R, C-P, D-S
3 A -S, B-R, C-Q, D-P
4 A-R, B-Q, C-P, D-S
BIOXI02: BIOLOGICAL CLASSIFICATION

331530 Statement A :
In 1971, T.O. Diener discovered a new infectious agent that was smaller than viruses
Statement B :
Virus causes potato spindle tuber disease

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both Statements are correct.
4 Both Statements are incorrect.
BIOXI02: BIOLOGICAL CLASSIFICATION

331531 Viroids differ from viruses

1 Absence of RNA
2 Presence of DNA
3 Absence of a protein coat
4 Presence of DNA and RNA
BIOXI02: BIOLOGICAL CLASSIFICATION

331532 Which is correct about viroids?

1 In 1971, M.W. Beijerinek discovered
these agents
2 Causes potato spindle tuber disease
3 RNA of viroid was of high molecular
weight
4 Viroid was found be a free DNA, it lacked
the protein coat.
BIOXI02: BIOLOGICAL CLASSIFICATION

331533 The molecular weight of RNA of viroid is

1 High
2 Low
3 Very high
4 Was never estimated
BIOXI02: BIOLOGICAL CLASSIFICATION

331541 Match the following.


























Column I Column II
A. M.W. Beijerinek P. 1935
B. Dmitri Ivanowsky Q. 1971
C. W.M. Stanley R. 1898
D. T.O. Diener S. 1892

1 A-R, B-S, C-P, D-Q
2 A-Q, B-R, C-P, D-S
3 A -S, B-R, C-Q, D-P
4 A-R, B-Q, C-P, D-S
BIOXI02: BIOLOGICAL CLASSIFICATION

331530 Statement A :
In 1971, T.O. Diener discovered a new infectious agent that was smaller than viruses
Statement B :
Virus causes potato spindle tuber disease

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both Statements are correct.
4 Both Statements are incorrect.
BIOXI02: BIOLOGICAL CLASSIFICATION

331531 Viroids differ from viruses

1 Absence of RNA
2 Presence of DNA
3 Absence of a protein coat
4 Presence of DNA and RNA
BIOXI02: BIOLOGICAL CLASSIFICATION

331532 Which is correct about viroids?

1 In 1971, M.W. Beijerinek discovered
these agents
2 Causes potato spindle tuber disease
3 RNA of viroid was of high molecular
weight
4 Viroid was found be a free DNA, it lacked
the protein coat.
BIOXI02: BIOLOGICAL CLASSIFICATION

331533 The molecular weight of RNA of viroid is

1 High
2 Low
3 Very high
4 Was never estimated