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Free download in PDF Endoplasmic Reticulum Multiple Choice Questions and Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams like JIPMER, NEET, AIIMS etc. These short solved questions or quizzes are provided by Gkseries.
(1)
Which of the following is the largest single membrane-bound intracellular compartment?
[A]
Ribosome
[B]
Golgi apparatus
[C]
Nucleus
[D]
Endoplasmic reticulum
Answer: Endoplasmic reticulum
(2)
What is microsome?
[A]
Compartment of Golgi
[B]
Smaller ribosomes
[C]
Small ER compartments
[D]
Small vesicles of fragmented ER
Answer: Small vesicles of fragmented ER
(3)
Name the antibiotic which inhibits the synthesis of oligosaccharides?
[A]
Tunicamycin
[B]
Cephalosporins
[C]
Penicillins
[D]
Ofloxacin
(4)
Name the site where detoxification of xenobiotic compounds takes place?
[A]
Cytosol
[B]
RER
[C]
SER
[D]
Ribosome
(5)
Which of the following statements are incorrect regarding ER?
[A]
The adipose tissue has both SER and RER
[B]
Plasma cells has RER only
[C]
RBC lacks both RER and SER
[D]
All of these
Answer: The adipose tissue has both SER and RER
(6)
In RER, ribosomes are located on
[A]
the cytoplasmic side
[B]
on the luminal side
[C]
both a and b
[D]
None Of The Above
Answer: the cytoplasmic side
(7)
Which of the following statements are true regarding endoplasmic reticulum
[A]
ER provides structural framework to the cell
[B]
ER acts as an intracellular transporting system
[C]
SER is involved in synthesis of lipids
[D]
All of these
(8)
Rough Endoplasmic Reticulum is called ‘rough’ because
[A]
Prough texture of the surface
[B]
surface is studded with membrane proteins
[C]
surface is studded with ribosomes
[D]
All of these
Answer: surface is studded with ribosomes
(9)
Which of the following sequence functions as signals for N-linked glycosylation
[A]
Asn-X-Ser and Asn-X-Thr
[B]
Asn-X-Ser and Asn-X-Pro
[C]
Asn-X-Thr and Asn-X-Gly
[D]
Asn-X-Gly
Answer: Asn-X-Ser and Asn-X-Thr
(10)
DNA is present in
[A]
chromosomes and dictyosomes
[B]
chloroplasts and lysomes
[C]
mitochondria and chloroplasts
[D]
mitochondria and endoplasmic reticulum
Answer: mitochondria and chloroplasts
(11)
In which one of the following would you expect to find glyoxysomes?
[A]
Endosperm of wheat
[B]
Endosperm of castor
[C]
Palisade cells in leaf
[D]
Root hairs
Answer: Endosperm of castor
(12)
What is common between chloroplasts, chromoplasts and leucoplasts ?
[A]
Presence of pigments
[B]
Possession of thylakoids and grana
[C]
Ability to multiply by a fission-like process
[D]
None of the above
Answer: Ability to multiply by a fission-like process
(13)
"Omnis-cellula-e-cellula" was given:
[A]
Virchow
[B]
Hooke
[C]
Leeuwenhoek
[D]
Brown
(14)
Which of the following is responsible for the mechanical support, protein synthesis and enzyme transport ?
[A]
Cell membrane
[B]
Mitochondria
[C]
Endoplasmic reticulum
[D]
All of these
Answer: Endoplasmic reticulum
(15)
Specific proteins responsible for the flow of materials and information into the cell are called
[A]
membrane receptors
[B]
carrier proteins
[C]
integral proteins
[D]
none of these
(16)
Who invented electron microscope ?
[A]
Jansen
[B]
Edison
[C]
Knoll and Ruska
[D]
Landsteiner
(17)
The microscope usually used for seeing living cells or tissues is
[A]
compound microscope
[B]
electron microscope
[C]
phase contrast microscope
[D]
light microscope
Answer: phase contrast microscope
(18)
Which of the following organelles contain DNA?
(i) Mitochondria (ii) Chloroplasts (iii) Golgi bodies (iv) Ribosomes
[A]
(i) and (ii)
[B]
(ii) and (iii)
[C]
(i) only
[D]
(iv) only
(19)
What is a plasmid ?
[A]
Bacterial, linear, dsDNA
[B]
Extra chromosomal linear RNA
[C]
Extra chromosomal circular dsDNA
[D]
Autonomously replicating circular RNA
Answer: Extra chromosomal circular dsDNA
(20)
Genes present in the cytoplasm of eukaryotic cells are found in
[A]
mitochondria and inherited via egg cytoplasm
[B]
Lysosomes and peroxisomes
[C]
lysosomes and peroxisomes
[D]
None Of The Above
Answer: mitochondria and inherited via egg cytoplasm
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