iisc.ernet.in Life Sciences Gate Exam Question Paper Model : Indian Institute of Science Bangalore
Name of the University : Indian Institute of Science
Exam : GATE Exam
Document Type : Model Question Paper
Name of the Subject : Life Sciences
Website : iisc.ernet.in
Download Sample Question Paper : https://www.pdfquestion.in/uploads/7650XLlifescience.pdf
Life Sciences Model Paper :
General Instructions :
1. Total duration of examination is 180 minutes (3 hours).
2. The clock will be set at the server. The countdown timer in the top right corner of screen will display the remaining time available for you to complete the examination.
Related : Indian Institute of Science Bangalore Aerospace Engineering Gate Exam Question Paper Model : www.pdfquestion.in/7647.html
3. When the timer reaches zero, the examination will end by itself. You will not be required to end or submit your examination.
General Aptitude : (GA) Questions
Q. 1 – Q. 5 carry one mark each.
Q.1 If 3 = ?? = 5 and 8 = ?? = 11 then which of the following options is TRUE?
Q.2 The Headmaster ___________ to speak to you.
Which of the following options is incorrect to complete the above sentence?
(A) is wanting
(B) wants
(C) want
(D) was wanting
Q.3 Mahatama Gandhi was known for his humility as
(A) he played an important role in humiliating exit of British from India.
(B) he worked for humanitarian causes.
(C) he displayed modesty in his interactions.
(D) he was a fine human being.
Q.4 All engineering students should learn mechanics, mathematics and how to do computation.
I II III IV
Which of the above underlined parts of the sentence is not appropriate?
(A) I (B) II (C) III (D) IV
Q.5 Select the pair that best expresses a relationship similar to that expressed in the pair:
water: pipe::
(A) cart: road (B) electricity: wire
(C) sea: beach (D) music: instrument
Q.6 to Q. 10 carry two marks each :
Q.6 Velocity of an object fired directly in upward direction is given by ?? = 80 – 32 ??, where ?? (time) is in seconds. When will the velocity be between 32 m/sec and 64 m/sec?
(A) (1, 3/2) (B) (1/2, 1)
(C) (1/2, 3/2) (D) (1, 3)
Q.7 In a factory, two machines M1 and M2 manufacture 60% and 40% of the autocomponents respectively. Out of the total production, 2% of M1 and 3% of M2 are found to be defective. If a randomly drawn autocomponent from the combined lot is found defective, what is the probability that it was manufactured by M2?
(A) 0.35 (B) 0.45 (C) 0.5 (D) 0.4
Q.8. Which two countries contributed to the one third of the total number of tourists who visited India in 2011?
(A) USA and Japan
(B) USA and Australia
(C) England and France
(D) Japan and Australia
Q.10 All professors are researchers Some scientists are professors Which of the given conclusions is logically valid and is inferred from the above arguments:
(A) All scientists are researchers
(B) All professors are scientists
(C) Some researchers are scientists
(D) No conclusion follows
Chemistry :
1 – Q. 5 carry one mark each :
Q.1 N(CH3)3 and N(SiH3)3are congeners, but around N-atom the former has pyramidal geometry whereas the latter is nearly planar. The bonding responsible for planarity of N(SiH3)3is
(A)pp (B) pp-dp (C) dp – dp (D) d
Q.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
Q.4 The number of 2-center?2-electron bonds in anhydrous AlCl3 is ___________
Q.5 When dissolved in water, the number of H+ ions released from a molecule of H3BO3is _________
6 – Q. 15 carry two marks each.
Q.6 In NaCl crystal, the arrangement and coordination number of the ions are
(A)fcc and 6 (B) fcc and 4 (C) hcp and 6 (D) hcp and 4
Q.7 The solubility product (Ksp) of Ca3(PO4)2 is 1.3 ×10-32. In a 0.02 M solution of Ca(NO3)2, the solubility of Ca3(PO4)2 (in units of M) is
(A) 6.5 ×10-31 (B)1.6 ×10-26(C) 8.0 ×10-16(D) 4.0 ×10-14
Q.10 Iodine forms an anionic species Q in aqueous solution of iodide(I?). The number of lone pair(s) of electrons on the central atom of Q is __________
Q.11 The rate of a chemical reaction is tripled when the temperature of the reaction is increased from 298 K to 308 K. The activation energy (in kcal mol?1 K?1, up to one decimal place) for the reaction is(Given R = 1.987cal mol?1 K?1) _____________
Biochemistry :
Q.1 Which one of the following statements is TRUE when a cell is kept in a hypotonic solution?
(A) Water moves out of the cell
(B) Size of the cell remains same
(C) No movement of water takes place
(D) Size of the cell increases
Q.2 Which one of the following amino acids has a higher propensity for cis peptide bond formation?
(A) Histidine
(B) Cysteine
(C) Glycine
(D) Proline
Q.3 The length of an ?-helix composed of 36 amino acid residues is
(A) 10 Å
(B) 54 Å
(C) 27 Å
(D) 360 Å
Q.4 The order n for a given substrate concentration in an enzyme catalyzed reaction following Michaelis-Menten kinetics, is
(A) n = 1 (B) n = 0 (C) n is not defined (D) 0 = n = 1
Q.5 Which one of the following amino acid residues is specifically recognised by chymotrypsin
during peptide bond cleavage?
(A) Phe
(B) Leu
(C) Val
(D) Asp
Q.6 The terminal electron acceptor during mitochondrial respiration is
(A) O2 (B) FAD+ (C) NAD+ (D) ATP
Q.7 During the biosynthesis of urea in the urea cycle, the two nitrogen atoms are derived from
(A) Two free ammonium groups
(B) Free ammonium group and aspartate
(C) Both nitrogen atoms are derived from arginine
(D) One nitrogen atom is derived from citrulline and one from glutamate.
Q.8 An enzyme has two binding sites for an inhibitor molecule. When the inhibitor binds to the first site, the dissociation constant of the inhibitor for the second site increases, leading to negative co-operativity. The Hill coefficient for such an inhibitor is
(A) equal to one (B) greater than one (C) less than one (D) less than zero
Q.10 In different types of tissue transplantations, the rate of graft rejection in decreasing order is
(A) Isograft > Xenograft > Allograft
(B) Allograft > Isograft > Xenograft
(C) Xenograft > Autograft > Allograft
(D) Xenograft > Allograft > Isograft