MCQ
Which is not true regarding ecosystem?
- ASelf sufficient unit
- BCyclic exchange of materials between living beings and environment
- COnly requirement is input of energy
- ✓Characterized by a major vegetation type
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$(a)$ 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:
$I.$ Burrowing soil
$II.$ Losing heat during high temperature
$III.$ Active during morning and evening
$IV.$ Insulating body due to thick fatty dermis
Select the correct pair