Question 131 Viroids have A) Single stranded RNA not enclosed by protein coat B) D S DNA enclosed by protein coat C) Double stranded RNA enclosed by protein coat D) S S DNA not enclosed by protein coat No Details
Question 132 AIDS is due to A) Deficiency of T4 - lymphocytes B) High blood pressure C) Deficiency of Riboflacin D) Bacterial infection No Details
Question 135 “Potato mosaic†disease is caused by A) Fungi B) Bacteria C) Virus D) Mycoplasma No Details