Exhibit 24(b)(10) – Consent of Ernst and Young LLP, Independent Registered Public
Accounting Firm

We consent to the reference to our firm under the caption “Experts” and to the use of our
report dated March 31, 2010 (except for Note 2, as to which the date is April 5, 2010),
with respect to the consolidated financial statements of ING Life Insurance and Annuity
Company as of December 31, 2009 and 2008, and for each of the three years in the
period ended December 31, 2009, and to the use of our report dated April 7, 2010, with
respect to the statements of assets and liabilities of Variable Annuity Account B of ING
Life Insurance and Annuity Company as of December 31, 2009, and the related
statements of operations and changes in net assets for the periods disclosed in the
financial statements, included in Post-Effective Amendment No. 41 to the Registration
Statement (Form N-4 No. 333-56297) and the related Prospectus and Statement of
Additional Information of Variable Annuity Account B of ING Life Insurance and
Annuity Company.

/s/ Ernst & Young LLP 

Atlanta, Georgia
April 12, 2010