Multiple Choice Questions on Functions of Cell Organelles

1. Oxysomes are ATP synthases present on

a) outer nuclear membrane facing cytoplasm
b) outer mitochondrial membrane facing cytoplasm
c) inner mitochondrial membrane facing matrix
d) inner mitochondrial membrane facing cytoplasm

2. Autophagy and heterophagy are processes associated with the function of
a) nucleus
b)microbodies
c) lysosome
d) mitochondrion

3. Which of the following organelle is involved in lipid metabolism?
a) Golgi apparatus
b) Peroxisomes
c) SER
d) RER

4. Arrange in correct order the function of each organelle 
    i.ribosomes ii. Chloroplast iii. Golgi apparatus iv. Mitochondrion
a) i. Protein synthesis ii. Organic molecule synthesis iii. Secretory centre iv. Beta oxidation
b) i. Protein synthesis ii. Beta oxidation iii. Secretory centre iv. Organic molecule synthesis
c) i. Protein synthesis ii. Secretory centre iii. Beta oxidation iv. Organic molecule synthesis
d) i. Protein synthesis ii. Secretory centre iii. Organic molecule synthesis
 iv. Beta oxidation


5. rRNA synthesis takes place in
a) nucleus
b) mitochondrion
c) nucleolus
d) nucleoplasm

6. Which is the site of cellular respiration in prokaryotes?
a) mitochondrion
b) plasmids
c) plasma membrane
d) cytosol

7. Which of the following organelles contain coding DNA
a) chloroplast and nucleus
b) chloroplast, mitochondrion and nucleus
c) chloroplast, mitochondrion, ribosomes and nucleus
d) chloroplast, mitochondrion, ribosomes, RER and nucleus

8. The organelle that helps in penetration of sperm into egg during fertilization is
a) nucleus
b) peroxisome
c) mitochondrion
d) lysosome

9. Glyoxysomes are organelles involved in
a) conversion of amino acids to proteins
b) conversion of fatty acids to carbohydrates
c) conversion of amino acids to carbohydrates
d) conversion of fatty acids to lipids

10. H2O2 clearance inside the cell is carried out by
a) glyoxysome with enzyme isocitrate lyase
b) peroxisome with enzyme catalase
c) glyoxysome with enzyme catalase
d) peroxisome with enzyme amino oxidase
Answers
1. c) inner mitochondrial membrane facing matrix
2. c) lysosome
3. c) SER
4. i) 1. Protein synthesis ii. Organic molecule synthesis iii. Secretory centre iv. Beta oxidation
5. c) nucleolus
6. c) plasma membrane
7. b) chloroplast, mitochondrion and nucleus
8. d) lysosome
9. b) conversion of fatty acids to carbohydrates
10. b) peroxisome with enzyme catalase

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  1. Thanks for the practice questions that you people make they really assist me to revise for my CAT papers as a medical student may God bless you my fellows

    ReplyDelete
  2. AnonymousMay 26, 2016

    you stupid this is too hard

    ReplyDelete
  3. Great job. These are very helpful. May God bless you

    ReplyDelete
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