The phrase "asks whether there is" is correct and commonly used in written English.
It is typically used to introduce a question or inquiry about the existence or presence of something. Example: The scientist asks whether there is a correlation between the amount of sunlight and plant growth.
Paul Theroux asks whether there is anything "more annoying" than "being hectored about African development by a wealthy Irish rock star in a cowboy hat".
In The Politics, Aristotle asks whether there is any case "in which the excellence of the good citizen and the excellence of the good man coincide" (1277a13 15).
However, a compelling question asks whether there is a residual role for US in enhancing transfection: that is, once the genetic material has been delivered to the cytosol, can US assist in its transport into the nucleus?
The qualitative analysis problem given a POMDP and a parity objective asks whether there is a strategy to ensure that the objective is satisfied with probability 1 (resp. positive probability).
Lois asks whether there is any hope, to which Peter replies that if all these shows are canceled they might have a chance, the joke being all these shows had indeed already been canceled by Fox.
Lois asks whether there is any hope, to which Peter replies that if all these shows are canceled they might have a chance; the shows were indeed canceled during Family Guys hiatus.
One especially determined critic keeps asking "whether there is such a thing as an unfair opinion".
In his concluding chapter, Mr Jacob asks whether there are limits to scientific research.
"A child asks whether there were any wild animals at the Crib," she said, "and I provide a fox.
Representative Nan Hayworth, Republican of New York, asks whether there are lessons that can be drawn from the trading blowup.
The third question asks whether there are properties that might be essential for kind membership.
