Which of the following statements regarding viruses are correct? (i) These are cellular, infectious, nudeoprotien particles. (ii) They can be grown in culture medium. (iii) Genetic material is either DNA or RNA, but never both. (iv) They can be crystallised.

Question

Which of the following statements regarding viruses are correct? (i) These are cellular, infectious, nudeoprotien particles. (ii) They can be grown in culture medium. (iii) Genetic material is either DNA or RNA, but never both. (iv) They can be crystallised. (A) (i) and (ii) (B) (ii) and (iii) (C) (iii) and (iv) (D) (i), (ii), (iii) and (iv)

Tardigrade Admin · Accepted Answer

Viruses are non-cellular, infectious, nudeoprotein entity that cannot be grown in culture medium as they lack their own machinery. Once, they infect a cell, they take over the machinery of the host cell to replicate themselves, killing the host.

Q. Which of the following statements regarding viruses are correct? (i) These are cellular, infectious, nudeoprotien particles. (ii) They can be grown in culture medium. (iii) Genetic material is either DNA or RNA, but never both. (iv) They can be crystallised.

(i) and (ii)

(ii) and (iii)

(iii) and (iv)

(i), (ii), (iii) and (iv)

Viruses are non-cellular, infectious, nudeoprotein entity that cannot be grown in culture medium as they lack their own machinery. Once, they infect a cell, they take over the machinery of the host cell to replicate themselves, killing the host.

Q. Which of the following statements regarding viruses are correct?
(i) These are cellular, infectious, nudeoprotien particles.
(ii) They can be grown in culture medium.
(iii) Genetic material is either $D N A$ or $RN A$ , but never both.
(iv) They can be crystallised.