MCQ
Which was the last human chromosome to be completely sequenced?
- ✓Chromosome - 1
- BChromosome - 11
- CChromosome - 21
- DChromosome - X
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$(1)$ Decomposition is largely an oxygen -requiring process.
$(2)$ Warm and moist environment slow down decomposition process.
$(3)$ Decomposition rate is slower if detritus is rich in lignin and chitin
$(4)$ Humus is colloidal in nature it serves as are servoir of nutrients.
Reason : If several spermatozoa hit the egg at same time, all can enter the egg.