MCQ
The main sources of biofertilizers are:
- ARhizobium like bacteria
- BCyanobacteria
- CFungi
- ✓All of the above
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Match List $I$ with List $II$.
| List $I$ | List $II$ |
| $A$. Vasectomy | $I$. Oral method |
| $B$. Coitus interruptus | $II$. Barrier method |
| $C$. Cervical caps | $III$. Surgical method |
| $D$. Saheli | $IV$. Natural method |
Choose the correct answer from the options given below:
$(a)$ Euchromatin is loosely packed chromatin
$(b)$ Heterochromatin is transcriptionally active
$(c)$ Histone octomer is wrapped by negatively charged DNA in nucleosome
$(d)$ Histones are rich in lysine and arginine
$(e)$ A typical nucleosome contains $400\,bp$ of DNA helix
Choose the correct answer from the options given below:
