MCQ
It increases the efficiency with which $DNA$ enters the bacterium through pores in its cell wall.
- A$PO^-_4$
- B$CI^-$
- ✓$Ca^{++}$
- D$Na^{++}$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$(i)$ The heterozygous female transmit the disease to son.
$(ii)$ Change in the shape of the $RBC$ from biconcave disc to elongated sickle like structure.
$(iii)$ Mentally retarded.
$(iv)$ Heamoglobin not formed proper amount in blood.
| Column $I$ | Column $II$ |
| ($a$) Dragonflies | ($i$) Biocontrol agents of several plant pathogens |
| ($b$) Bacillus | ($ii$) Get rid of Aphids thuringiensis and mosquitoes |
| ($c$) Glomus | ($iii$) Narrow spectrum insecticidal applications |
| ($d$) Baculoviruses | ($iv$) Biocontrol agents of lepidoteran plant pests |
| ($v$) Absorb phosphorus from soil |