cell biology cell structure © 2012 etutorworld learning solutions private limited, india, all...
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Cell Biology
Cell structure
© 2012 eTutorWorld Learning Solutions Private Limited, India, All rights reserved.
1. Which cells have a cell wall around them?
• Prokaryotic cells• fungal cells • plant cells• All of the above
© 2012 eTutorWorld Learning Solutions Private Limited, India, All rights reserved.
• . Name the three types of elements that form Golgi complex.
• C _s t_ _ n_ e
• _ e s i _ l _ s
• T_ b u _ _s.
© 2012 eTutorWorld Learning Solutions Private Limited, India, All rights reserved.
Name the unit membrane that surrounds a vacuole.
• Monoplast• Tonoplast• Pleuroplast
© 2012 eTutorWorld Learning Solutions Private Limited, India, All rights reserved.
• Which of the following loses nucleus at maturity in a plant cell?
• Phloem• Sieve plate• Sieve Tube cells• Parenchyma
© 2012 eTutorWorld Learning Solutions Private Limited, India, All rights reserved.
• What is the main function of centrioles?
• To help in the organization of spindle
fibres during cell division.
• To help in the organization of chromosomes during cell division.
© 2012 eTutorWorld Learning Solutions Private Limited, India, All rights reserved.
• Which is the cell organelles enclosed by a double unit membrane?
• Mitochondria and plastids • Plastid and ER• Golgi Bodies and nucleus• ER and Nucleus
© 2012 eTutorWorld Learning Solutions Private Limited, India, All rights reserved.
• Which is not correct statement for 70S and 80S ribosomes?
• 70s ribosomes are found in prokaryotic cells while 80s ribosomes are found in eukaryotic cells.
• 70s ribosome has two sub units of 30s and 50s
• 80s ribosome has two subunits of 60s and 40s.
• None of these© 2012 eTutorWorld Learning Solutions Private Limited, India, All rights reserved.
Name the specific term for the following.
a) Cluster of ribosomes in the cytoplasm.__P_________
b) Folds of the inner mitochondrial membrane. C_________
c) Stacks of closely packed thylakoids. _G__________
d) Stacked particles in the inner membrane of mitochondria. _________________© 2012 eTutorWorld Learning Solutions Private Limited, India, All rights reserved.
Are there living beings without cells?
• No• Yes
Give reason
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Let’s try to label the cellular parts
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How are these two types of cells different ?
Write in points .
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