Candidates can prepare for the GATE Exam (2015) by referring the questions (and the answer key) of the GATE exam (2013). 5 questions asked in Life Sciences Paper of Engineering Exam 2013 are as follows: Also Read - Inspiring! Meerut Woman Who Left Home To Avoid Forced Marriage Returns As PCS Officer 7 Years Later

1. N(CH3)3 and N(SiH3)3 are congeners, but around N-atom the former has pyramidal geometry whereas the latter is nearly planar. The bonding responsible for planarity of N(SiH3)3 is Also Read - Before Reporting For Duty, This Bengaluru Cop Teaches Children of Migrant Workers Everyday For An Hour

(A) pπ – pπ
(B) pπ – dπ
(C) dπ – dπ
(D) δ Also Read - Ready to Send Children Back to School? 78% Parents Say No, Willing to Let Kids Repeat An Academic Year

2. The type of electronic transition responsible for the yellow colour of K2CrO4 is

(A)metal to ligand charge transfer
(B)ligand to metal charge transfer
(C)intra-ligand charge transfer
(D)d-d transition

3. The given equation

LS
where H, Tand Cp are the enthalpy, temperature and heat capacity at constant pressure, respectively, is called

(A) Clausius-Clapeyron equation
(B) Hess’s law
(C) Kirchhoff’s equation
(D) Trouton’s rule

4. The number of 2-center 2-electron bonds in anhydrous AlCl3 is ___

5. When dissolved in water, the number of H+ ions released from a molecule of H3BO3 is ____

Click here to go through full question paper on the official website GATE

Click here to read full answer sheet of question paper on the official website GATE

Image Courtesy : Getty Images