MCQ
Find the incorrect statement:
- APusa Sem$-2$ and $3$ are flat bean crop varieties.
- BIn wheat, solid stem is resistant against sawfly.
- ✓Himgiri is a variety of cauliflower.
- DPusa komal is a variety of cowpea.
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$Y$ - Method of embryo sac formation from a single megaspore is termed monosporic
$(1)$ 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.
$R$ : Different types of alcoholic drinks are obtained only by fermentation, always followed by distillation process.
Reason : $DNA$ binds around histone proteins that form a pool and the entire structure is called a nucleosome.