GATE life Sciences Study Materials

GATE XL 2012 Chemistry Compulsory Solved Question Paper (Download PDF)


GATE Chemistry Solved Paper 2012

Official / Original Previous Year (Old) Solved Question Paper of GATE Life Sciences (XL) 2012 Chemistry (H) with Answer Key and Explanations as PDF. GATE XL aspirants can download the question paper as single PDF file for your exam preparation. Please feel free to inform us for any mistakes in the answer key provided.

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GATE life Sciences Study Materials

GATE XL 2013 Chemistry Compulsory Solved Question Paper (Download PDF)


GATE XL Chemistry Paper

Official / Original Previous Year (Old) Solved Question Paper of GATE Life Sciences (XL) 2013 Chemistry (H) with Answer Key and Explanations as PDF. GATE XL aspirants can download the question paper as single PDF file for your exam preparation. Please feel free to inform us for any mistakes in the answer key provided.

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Biotechnology Eligibility Test Preparation

Biotechnology JRF by DBT BET 2011 Original Solved Question Paper with Answer Key (Download PDF)


Biotech JRF by DBT BET 2011 Exam

Original (original) Previous Year (old) Solved Question Paper of DBT BET JRF 2011 Examination (Department of Biotechnology- Biotechnology Eligibility Test – Junior Research Fellowship) with Answer Key and Explanations as PDF. DBT BET JRF aspirants can download the question paper as single PDF file for your exam preparation. Please feel free to inform us for any mistakes in the answer key provided.

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Biotechnology Eligibility Test Preparation

DBT BET JRF 2010 Original Solved Question Paper with Answer Key (Download PDF)


DBT BET Previous Questions

Original (original) Previous Year (old) Solved Question Paper of DBT BET JRF 2010 Examination (Department of Biotechnology- Biotechnology Eligibility Test – Junior Research Fellowship) with Answer Key and Explanations as PDF. DBT BET JRF aspirants can download the question paper as single PDF file for your exam preparation. Please feel free to inform us for any mistakes in the answer key provided.

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Free Net Life Science Study Materials

NET Life Sciences Model Question Paper for June 2017 Exam (Set 2/5)


two chiral centre in amino acids

CSIR JRF/NET Life Science Exam
June 2017 (I) Model Question Paper 2/5
(Practice Questions with Answer Key)

(1). The quaternary structure of human hemoglobin is best described as:

a.       Dimer of two myoglobin dimers
b.      Tetramer of identical subunits
c.       Tetramer of four different subunits
d.      Tetramer of two different subunits

(2). Which of the following statements is NOT true for Fluorescence Resonance Energy Transfer (FRET)?

a.       Donor and acceptor molecules mush be in close proximity
b.      Absorption spectrum of the acceptor must overlap fluorescence emission spectrum of the donor
c.       Donor and acceptor transition dipole orientation must be approximately parallel
d.      Energy transfer is directly proportional to the size of the proteins.

(3). Which of the amino acid pairs have two chiral centres?

a.       Proline and Arginine
b.      Leucine and Isoleucine
c.       Isoleucine and Threonine
d.      Methionine and Cysteine

(4). The H – C – H angle in methane is:

a.       109.5⁰
b.      90⁰
c.       120⁰
d.      180⁰

(5). Difference between the R- and T- states of hemoglobin is:

a.       Dimeric and tetrameric structures
b.      Oxy- and deoxy- states
c.       Binding to ferrous and ferric ions
d.      Folded and unfolded states

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