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Endoplasmic Reticulum MCQs | Endoplasmic Reticulum Multiple Choice Questions and Answers

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Questions
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
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3 Name the antibiotic which inhibits the synthesis of oligosaccharides?
A Tunicamycin
B Cephalosporins
C Penicillins
D Ofloxacin

Answer: Tunicamycin
4 Name the site where detoxification of xenobiotic compounds takes place?
A Cytosol
B RER
C SER
D Ribosome

Answer: SER
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

Answer: 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

Answer: Virchow
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

Answer: carrier proteins
16 Who invented electron microscope ?
A Jansen
B Edison
C Knoll and Ruska
D Landsteiner

Answer: Knoll and Ruska
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

Answer: (i) and (ii)
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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