ICMR JRF Model Question Paper July 2016 Part 4 (ICMR JRF Mock Test)


ICMR JRF Life Science Exam July 2016
(Practice Questions with Answer Key Part 4)

icmr jrf july 2016 question paper

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(1). What are zooxanthellae?

a.       Deep sea dwelling brightly pigmented fish
b.      Algae living in corals
c.       A species of crab
d.      Xanthomonas infected zooplankton

(2). Hemophilia A and Hemophilia B have nearly identical phenotypes, but they result from mutations in different gens on the X chromosome. This is an example of

a.       Locus heterogeneity
b.      Epistatic interaction
c.       Double heterozygosity
d.      Variable expressivity

(3). Natural killer cells can be detected in human peripheral blood using

a.       Anti-cd3 antibody
b.      Anti-cd25 antibody
c.       Anti-cd69 antibody
d.      Anti-cd16 antibody

(4). Balanced genetic polymorphism occurs when there is selection against

a.       Heterozygotes
b.      All genotypes
c.       All homozygotes
d.      Only homozygous recessive

(5). Xth nerve is an example of

a.       Mixed cranial nerve
b.      Sensory cranial nerve
c.       Spinal nerve
d.      Motor nerve

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mcq biology

MCQ on Cell Membrane Structure and Function with Answer Key Part 2


Cytology MCQ-03

mcq on plasma membrane

Practice Questions on Plasma Membrane: Structure & Functions Part-2

 (Sample/Model/Practice Questions for CSIR JRF/NET Life Science Examination, ICMR JRF Exam, DBT BET JRF Exam,, GATE BT and XL Exam, ICAR JRF NE Exam, PG Entrance Exam, JAM Exam, GS Biology Exam and Medical Entrance Exam)

(1). The cleavage of spectrin network in the cell by the proteolytic enzyme calpane indicate:

A.      Apoptosis of cell
B.      Necrosis of cell
C.      Cellular inflammation
D.     Phagocytosis by macrophages

(2). At physiological conditions, cholesterol in the plasma membrane:

A.      Increase the durability of plasma membrane
B.      Increase the permeability of plasma membrane
C.      Decrease the durability of plasma membrane
D.     Decrease the permeability of plasma membrane

A.      A, B
B.      A, C
C.      A, D
D.     B, D

(3). The molecular basis of MN blood group in human is

A.      Difference in the amino acid sequence in the Glycophorin
B.      Difference in the carbohydrate sequence in Glycophorin
C.      Difference in folding pattern of Glycophorin
D.     Difference in the distributional pattern of band 3 and glycophorin proteins in the plasma membrane of RBC

(4). Which of the following type of movement is least possible for a phospholipid in the plasma membrane?

A.      Flexion
B.      Rotation
C.      Lateral diffusion
D.     Flip-flop

(5). Spectrin-ankyrin network of plasma membrane is essential for all features of bio-membrane except:

A.      Anchoring specific ion channels in the plasma membrane
B.      Anchoring specific ion exchangers in the plasma membrane
C.      Anchoring specific ion transporters in the plasma membrane
D.     Anchoring Fo particle of ATP synthase in the plasma membrane

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mcq biology

MCQ on Plasma Membrane Structure and Function with Answer Key Part I


cytology quiz plasma membrane

MCQ on Plasma Membrane (Part 1) : Structure of Cell Membrane

(Sample/Model/Practice Questions for CSIR JRF/NET Life Science Examination, ICMR JRF Exam, DBT BET JRF Exam,, GATE BT and XL Exam, ICAR JRF NE Exam, PG Entrance Exam, JAM Exam, GS Biology Exam and Medical Entrance Exam)

(1). The average thickness of plasma membrane of a eukaryotic cell is:

A.      5 to 10 nm
B.      5 to 10 Å
C.      5 to 10 µm
D.     5 to 10 pµm

(2). Which of the following is NOT the function of plasma membrane?

A.      Intercellular interactions
B.      Responding to external stimuli
C.      Energy transduction
D.     Assisting in chromosome segregation

(3). Which of the following statement is true regarding the surface tension of plasma membrane?

A.      Surface tension of plasma membrane is more than pure lipid structures
B.      Surface tension of plasma membrane is less than pure lipid structures
C.      Surface tension of plasma membrane and pure lipid structures are same
D.     Plasma membrane do not have surface tension

(4). Which of the following statements best describes the chemical composition of plasma membrane?

A.      Plasma membrane is composed of two layers—one layer of phospholipids and one layer of proteins.
B.      Plasma membrane is composed of equal numbers of phospholipids, proteins, and carbohydrates.
C.      Plasma membrane is bilayers of proteins with associated lipids and carbohydrates.
D.     Plasma membrane is bilayers of phospholipids with associated proteins and carbohydrates.

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Free Net Life Science Study Materials

CSIR NET Question Paper Model (June 2016) Examination Part 4 with Answers & Explanations


net life science model question paper june 2016

Synthetic Herbicide Mechanism of Action

CSIR JRF NET Life Science Exam June 2016: Model (sample) Question Paper Set 4

(1). In pET expression vectors, high level of expression of cloned gene is achieved using

a.       T7 promoter
b.      SP6 promoter
c.       Λ-PL promoter
d.      Trp promoter

(2). Archaea is considered as a separate group from bacteria and eukaryotes, based on

a.       Genome sequence
b.      16S rRNA gene sequence
c.       23S rRNA gene sequence
d.      EFTu sequence

(3). A hybrid between species following by polyploidy or chromosome doubling is known as

a.       Auto-polyploidy
b.      Aneuploidy
c.       Haploid
d.      Allopolyploid

(4). The herbicide that kills plants by blocking the photosynthetic electron flow of photosystem-I is

a.       Diuron
b.      Paraquat
c.       Glyphosate
d.      Atrazine

(5). In submerged plants the root tip stimulates the activity of

a.       ACC synthase
b.      ACC oxidase
c.       ACC synthase and ACC oxidase
d.      ACC kinase

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Biotechnology Eligibility Test Preparation

DBT JRF Previous Year Question Paper 2015 Solved with Answer Key (Download PDF)


biotechnology jrf question paper

Original (original) Previous Year (old) Solved Question Paper of DBT BET JRF 2015 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.

To download the question paper as single PDF file, please click on the download button below.

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