MCQ
Centromere is required for:
- ✓Movement of chromosomes towards poles.
- BCytoplasmic cleavage.
- CCrossing over.
- DTranscription.
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$(i)$ Excretion is performed by malphigian tubules.
$(ii)$ They absorb nitrogenous waste products and convert them into uric acid which is excreted out through hindgut.
$(iii)$ In addition, fat body, nephrocytes and urecose glands also help in excretion.