A unit lac-operon which in the absence of lactose, suppresses the activity of operator gene is

According to the lac operon concept, which functional unit of the bacterial genetic material is responsible for suppressing the activity of the operator gene in the absence of lactose ?

In lac operon, lactose acts are

In lac operon i gene codes for :

In Lac operon , i gene codes for :

The repressor in case of lac operon will bind in absence of lactose :

Assertion : Lac operon is a repressible operon. Reason : The product of gene activity stops the activity of the said gene.

Assertion : Lac operon is a repressible operon. Reason : The product of gene activity stops the activity of the said gene.

Assertion : Lac operon is a repressible operon. Reason : The product of gene activity stops the activity of the said gene.

Why is lactose called the inducer of lac operon?