#include <bits/stdc++.h>
using namespace std;
 
int main()
{
  int t;
  cin>>t;
  while(t--){
 
  int n;
  cin>>n;
  int arr[n];
  for(int i=0;i<n;i++){
    cin>>arr[i];
  }
 
  int q;
  cin>>q;
  while(q--){
  int l,r;
  cin>>l>>r;
  int count=0;
  for(int i=l-1;i<r-1;i++){
 
    if(abs(arr[i]-arr[i+1])!=1)
    {
      count++;
      cout<<"No"<<endl;
      break;
    }
 
  }if(count==0)
    cout<<"Yes"<<endl;
  }
  }
 
  return 0;
}

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