OnestopGate   OnestopGate
   Sunday, April 23, 2017 Login  
Home | Overview | Syllabus | Tutorials | FAQs | Downloads | Recommended Websites | Advertise | Payments | Contact Us | Forum

GATE Resources
Gate Articles
Gate Books
Gate Colleges 
Gate Downloads 
Gate Faqs
Gate Jobs
Gate News 
Gate Sample Papers
Training Institutes

GATE Overview
GATE Eligibility
Structure Of GATE
GATE Coaching Centers
Colleges Providing M.Tech/M.E.
GATE Score
GATE Results
PG with Scholarships
Article On GATE
Admission Process For M.Tech/ MCP-PhD
GATE Topper 2012-13
GATE Forum

GATE 2018 Exclusive
Organizing Institute
Important Dates
How to Apply
Discipline Codes
GATE 2018 Exam Structure

GATE 2018 Syllabus
Aerospace Engg..
Agricultural Engg..
Architecture and Planning
Chemical Engg..
Civil Engg..
Computer Science / IT
Electronics & Communication Engg..
Electrical Engg..
Engineering Sciences
Geology and Geophysics
Instrumentation Engineering
Life Sciences
Mechanical Engg..
Metallurgical Engg..
Mining Engg..
Production & Industrial Engg..
Pharmaceutical Sciences
Textile Engineering and Fibre Science

GATE Study Material
Aerospace Engg..
Agricultural Engg..
Chemical Engg..
Civil Engg..
Computer Science / IT
Electronics & Communication Engg..
Electrical Engg..
Engineering Sciences
Instrumentation Engg..
Life Sciences
Mechanical Engg..
Pharmaceutical Sciences
Textile Engineering  and Fibre Science

GATE Preparation
GATE Pattern
GATE Tips N Tricks
Compare Evaluation
Sample Papers 
Gate Downloads 
Experts View

CEED 2013
CEED Exams
Application Forms
Important Dates
Contact Address
Examination Centres
CEED Sample Papers

Discuss GATE
GATE Forum
Exam Cities
Contact Details
Bank Details

Contact Us

Home » GATE Prepration » Sample Papers » Life Science Sample Papers

Life Science Sample Papers

Looking for GATE Preparation Material? Join & Get here now!

** Gate 2013 Question Papers.. ** CEED 2013 Results.. ** Gate 2013 Question Papers With Solutions.. ** GATE 2013 CUT-OFFs.. ** GATE 2013 Results.. **

Life Science Sample Questions

Life Science Sample Questions

Sample Papers

  Q.1 In corn there are 10 chromosomes per set and the species is diploid. A karyotype was performed from the endosperm cells grown in tissue culture in a medium containing colchicine. What is the total number of chromosomes in an endosperm cell after the first round of cell divisions?

(a) 5
(b) 14
(c) 15
(d) 30

Q.2 Three of the four eukaryotic rRNAs are synthesized from a single transcription unit consisting of the rDNA. Which one of the following does NOT belong to this group?
(a) 5.8S
(b) 5S
(c) 18S
(d) 28S

Q.3 When -[32 P]-ATP is incubated in an eukaryotic cell extract that is capable of transcription and RNA processing where does the label appear in the m-RNA?
(a) Every phosphate group of the m RNA is labelled
(b) Only the 5-end of the m RNA is labelled provided the first base is A
(c) Only the 3-end of the m-RNA is labelled provided the last base is A
(d) The label does not appear at all in m-RNA

Q.4 Which particle converts cholesterol to cholesterol esters?
(a) LDL
(b) Chylomicrons
(c) VLDL
(d) HDL

Q.5 A patient presents with lethargy and a 10-fold increase in plasma ammonia and glutamine levels due to a defect in the urea cycle. The build-up of what other metabolite in the plasma is consistent with a defect in ornithine transcarbamoylase and not carbamoyl phosphate synthetase I?

(a) Urea
(b) Arginine
(c) Ornithine
(d) Citrulline

Q.6 Tay-Sachs Disease, characterized by intralysosomal accumulation of the GM2 ganglioside, results from a deficiency in

(a) Sphingomyelinase.
(b) Galactocerebrosidase.
(c) Glucocerebrosidase.
(d) Hexosaminidase A.

Q.7 Which of the following assays is currently being used for the detection of Helicobacter pylori?

(a) Agglutination
(b) Complement fixation
(c) Enzyme-linked immunosorbent assay
(d) Immunodiffusion

Q.8 An individual was found to be heterolo-gous for IgG1 allotypes 3 and 12. The different possible IgG1 antibodies produced by this individual will never have

(a) Two H chains of allotype 12
(b) Two L chains of either Κ or Λ
(c) Two H chains of allotype 3
(d) Two H chains, one of allotype 3 and one of allotype 12

Q.9 The resting membrane potential
(a) Occurs only in nerve and muscle cells
(b) Is the same in all cells.
(c) Is oriented so that the cell's interior is positive with respect to the extracellular fluid.
(d) Requires the separation of most of the cell's charged particles.

Q.10 Which of the following is NOT part of Koch's postulates?

(a) The microorganism is never found in healthy animals.
(b) The microorganisms is always found in diseased animals.
(c) The microorganism must cause disease in healthy animals.
(d) The microorganism must secrete a toxin in culture.

Discussion Center







Email ID:

  Forgot Password?
 New User? Register!

Get 9,000+ Interview Questions & Answers in an eBook. Interview Question & Answer Guide
  • 9,000+ Interview Questions
  • All Questions Answered
  • 5 FREE Bonuses
  • Free Upgrades
  • Gate Books
  • Training Institutes
  • Gate FAQs
  • Mechanical Engineeering Books
  • Robotics Automations Engineering Books
  • Civil Engineering Books
  • Chemical Engineering Books
  • Environmental Engineering Books
  • Electrical Engineering Books
  • Electronics Engineering Books
  • Information Technology Books
  • Software Engineering Books
  • GATE Preparation Books
  • Exciting Offers

    GATE Exam, Gate 2009, Gate Papers, Gate Preparation & Related Pages

    GATE Overview | GATE Eligibility | Structure Of GATE | GATE Training Institutes | Colleges Providing M.Tech/M.E. | GATE Score | GATE Results | PG with Scholarships | Article On GATE | GATE Forum | GATE 2009 Exclusive | GATE 2009 Syllabus | GATE Organizing Institute | Important Dates for GATE Exam | How to Apply for GATE | Discipline / Branch Codes | GATE Syllabus for Aerospace Engineering | GATE Syllabus for Agricultural Engineering | GATE Syllabus for Architecture and Planning | GATE Syllabus for Chemical Engineering | GATE Syllabus for Chemistry | GATE Syllabus for Civil Engineering | GATE Syllabus for Computer Science / IT | GATE Syllabus for Electronics and Communication Engineering | GATE Syllabus for Engineering Sciences | GATE Syllabus for Geology and Geophysics | GATE Syllabus for Instrumentation Engineering | GATE Syllabus for Life Sciences | GATE Syllabus for Mathematics | GATE Syllabus for Mechanical Engineering | GATE Syllabus for Metallurgical Engineering | GATE Syllabus for Mining Engineering | GATE Syllabus for Physics | GATE Syllabus for Production and Industrial Engineering | GATE Syllabus for Pharmaceutical Sciences | GATE Syllabus for Textile Engineering and Fibre Science | GATE Preparation | GATE Pattern | GATE Tips & Tricks | GATE Compare Evaluation | GATE Sample Papers | GATE Downloads | Experts View on GATE | CEED 2009 | CEED 2009 Exam | Eligibility for CEED Exam | Application forms of CEED Exam | Important Dates of CEED Exam | Contact Address for CEED Exam | CEED Examination Centres | CEED Sample Papers | Discuss GATE | GATE Forum of | GATE Exam Cities | Contact Details for GATE | Bank Details for GATE | GATE Miscellaneous Info | GATE FAQs | Advertisement on GATE | Contact Us on OneStopGATE |
    Copyright © 2017. One Stop All rights reserved Testimonials |Link To Us |Sitemap |Privacy Policy | Terms and Conditions|About Us
    Our Portals : Academic Tutorials | Best eBooksworld | Beyond Stats | City Details | Interview Questions | India Job Forum | Excellent Mobiles | Free Bangalore | Give Me The Code | Gog Logo | Free Classifieds | Jobs Assist | Interview Questions | One Stop FAQs | One Stop GATE | One Stop GRE | One Stop IAS | One Stop MBA | One Stop SAP | One Stop Testing | Web Hosting | Quick Site Kit | Sirf Dosti | Source Codes World | Tasty Food | Tech Archive | Software Testing Interview Questions | Free Online Exams | The Galz | Top Masala | Vyom | Vyom eBooks | Vyom International | Vyom Links | Vyoms | Vyom World
    C Interview Questions | C++ Interview Questions | Send Free SMS | Placement Papers | SMS Jokes | Cool Forwards | Romantic Shayari